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 Permanent magnet motor, refrigeration compressor and air conditioning unit patent thumbnailPermanent magnet motor, refrigeration compressor and air conditioning unit
A stator and a rotor are mounted inside a case of a permanent magnet motor, and separate the inner cavity of the case into a first inner cavity and a second inner cavity. An air gap is formed between an inner circle surface of the stator and an outer circle surface of the rotor.
Gree Electric Apliances, Inc. Of Zhuhai


 Auxilliary power input switch patent thumbnailAuxilliary power input switch
A auxiliary power (ap) input switch includes at least a line power-in terminal, a switched power out terminal, an ac power entry receptacle and a switch actuating element that is switched to an on state to make a connection between the line power-in terminal and the switched power-out terminal, and is switched to an off state to break the connection between line power-in terminal and the switched power-out terminal and to make a connection between the ac power entry receptacle and to the switched power-out terminal. The auxiliary power (ap) input switch that is used as or to replace an emergency cut-off switch for an electrically-driven system, such as a heating system, air conditioning system, refrigeration system, etc., without limitation..
Leviacon Inc.


 Air conditioning apparatus patent thumbnailAir conditioning apparatus
An air conditioning apparatus includes a refrigerant circuit performing an air-warming operation by circulating refrigerant through the compressor, indoor heat exchanger, expansion valve, and outdoor heat exchanger in order. The outdoor heat exchanger has flat perforated tubes arrayed vertically in multiple levels.
Daikin Industries, Ltd.


 Air conditioning system having actively controlled and stabilized hot gas reheat circuit patent thumbnailAir conditioning system having actively controlled and stabilized hot gas reheat circuit
A method for controlling an air conditioning system comprises routing refrigerant through an evaporator to cool air in a space, proportioning refrigerant flow from the evaporator between a condenser circuit and a hot gas reheat circuit that heats air leaving the evaporator, routing refrigerant flow from the condenser circuit and the hot gas reheat circuit through an expansion device and back to the evaporator, monitoring a first temperature at the evaporator, stabilizing proportioning of refrigerant flow between the condenser circuit and the hot gas reheat circuit based on the monitored first temperature.. .
Nortek Global Hvac Llc


 Air conditioning apparatus patent thumbnailAir conditioning apparatus
An air conditioning apparatus suppresses an increase in power consumption associated with a reduction in start-stop frequency of a compressor. The air conditioning apparatus includes an outdoor unit equipped with a compressor and a plurality of indoor units connected with the outdoor unit and has a control device that performs thermo-off and thermo-on control such that a suction air temperature of the indoor unit falls within a predetermined temperature range with a set temperature defined as a reference.
Hitachi Appliances, Inc.


 Air conditioning  aircraft patent thumbnailAir conditioning aircraft
air conditioning system for the pressurised cabin of an aircraft, said system (1) being characterised in that it comprises an air withdrawal module (3) configured for withdrawing ambient air from outside the aircraft, an air compression module (5) configured for compressing the withdrawn air flow (f1) and an air cooling module (10) comprising means (15) for storing at least one coolant configured for cooling the compressed air flow (f2, f3).. .
Turbomeca


 Device and  controlling compressor of vehicles patent thumbnailDevice and controlling compressor of vehicles
A device and a method for a controlling compressor of vehicles improves acceleration performance and fuel efficiency and maintains comfort of a cabin by decreasing an operation of the compressor when accelerating. The device may include a sensor module including a cabin temperature sensor, an outdoor temperature sensor, an evaporator temperature sensor detecting a temperature of a cooling medium in an evaporator, an engine speed sensor detecting rotation speed of an engine, and a throttle position sensor detecting a throttle opening, an air conditioning system including a condenser condensing and liquefying the cooling medium, an evaporator evaporating the liquefied cooling medium, the compressor compressing the cooling medium, a temperature control door controlling a temperature of an air flowed in a cabin, an intake door selectively flowing an inner air or an outer air in the cabin, and a blower blowing the air to the intake door, and a controller controlling an operation of the air conditioning system, wherein the controller decides a acceleration mode and an allowable temperature at each acceleration mode when an acceleration condition occurs, and decreases an operation of the compressor according to a difference between the evaporator temperature and the allowable temperature..
Kia Motors Corporation


 Thermal dissipation system of an electric vehicle patent thumbnailThermal dissipation system of an electric vehicle
The present disclosure relates to a thermal dissipation system of an electric vehicle that includes: a heat exchanger arranged at the front part of the electric vehicle for providing heating or cooling to an air conditioning system of the electric vehicle; a first heat sink and a second heat sink, which are respectively arranged at the two sides of the front part of the heat exchanger; a number of rotatable and adjustable air deflectors for changing the flow direction of the air flowing through the heat dissipation system. Temperature sensors are included within the thermal dissipation system for sensing the working temperatures and the environmental temperatures of a battery pack and a motor of the electric vehicle.
Thunder Power Hong Kong Ltd.


 Automatic automotive air conditioning system patent thumbnailAutomatic automotive air conditioning system
An automatic automotive air conditioning system. The present air conditioning system is designed to run on a secondary battery and to have an auditory alarm to alert a user when the battery is below a certain amount of electrical charge or when the temperature is above a certain level.

 Thermal dissipation system of an electric vehicle patent thumbnailThermal dissipation system of an electric vehicle
The present disclosure relates to a thermal dissipation system of an electric vehicle that includes: a heat exchanger arranged at the front part of the electric vehicle for providing heating or cooling to an air conditioning system of the electric vehicle; a first heat sink and a second heat sink, which are respectively arranged at the two sides of the front part of the heat exchanger; a number of rotatable and adjustable air deflectors for changing the flow direction of the air flowing through the heat dissipation system. Temperature sensors are included within the thermal dissipation system for sensing the working temperatures and the environmental temperatures of a battery pack and a motor of the electric vehicle.
Thunder Power Hong Kong Ltd.


Automative air conditioning flush system


A flush system for flushing an air conditioning system comprising: a flush fill tank; an input connector which connects to the flush fill tank; a recycle catch tank; an output connector which connects to the catch tank via a filter; an air pressure connection, where the air pressure connection supplies air pressure to the flush fill tank and provides air pressure to flush the air conditioning system; and a water separator between the air connection and flush fill tank. The flush system may further include an air valve and an air regulator connection at the air pressure connection, where the valve and regulator provide a means to control air pressure in the flush system.

Air conditioning apparatus


In an air conditioning apparatus, when the amounts of refrigerant oils retained in a first compressor and a second compressor are increased and oil levels in the first compressor and the second compressor reach a first oil outflow part and a second oil outflow part, the refrigerant oils subsequently sucked into the first compressor and the second compressor flow out of the first oil outflow part and the second oil outflow part to a first oil outflow pipe and a second oil outflow pipe, and flow from the first oil outflow pipe and the second oil outflow pipe to a refrigerant outflow pipe. The refrigerant oils flowing in the refrigerant outflow pipe from the first and second compressor through the first and second oil outflow pipe flow out of an outdoor unit through a four-way valve, and circulate through a refrigerant circuit together with refrigerants..
Fujitsu General Limited


Air-conditioning system of a motor vehicle and operating the air-conditioning system


The invention concerns an air conditioning system for the conditioning of the air of a passenger compartment of a motor vehicle. The air conditioning system has a refrigerant circuit with a compressor, a refrigerant-coolant heat exchanger for desuperheating the refrigerant after the compression, a first refrigerant-air heat exchanger and a second refrigerant-air heat exchanger, and at least one coolant circuit.
Hanon Systems


Air conditioning system for motor vehicles


An air conditioning system for motor vehicles includes an air conditioner case, a blower installed in the air conditioner case and configured to draw an air and blow the air into a vehicle room, and a control unit configured to limit an upper limit value of a temperature of the air blown toward the blower.. .
Hanon Systems


Air conditioning device


A sliding door has a door main body and door support sections supported by contact with an inner wall of a guide groove. The guide groove has a groove lacking section having a size that the door main body can be inserted therefrom.
Denso Corporation


Permanent magnet-embedded electrical motor, compressor, and refrigerating air conditioning device


An interior permanent magnet motor includes a stator and a rotor rotatably arranged so as to be opposed to the stator. The rotor includes a rotor core having a plurality of magnet insertion holes formed therein, into which corresponding permanent magnets are respectively inserted.
Mitsubishi Electric Corporation


Low-frequency ancillary power grid services


Techniques for providing ancillary services to a power grid using customer premises such as commercial buildings. The techniques may involve receiving a regulation signal from a grid operator that is specific to a commercial building and modifying power consumption by at least one power consumption component in the building based on the regulation signal.
University Of Florida Research Foundation, Inc.


Automatically balancing register for hvac systems


Distributed nodes, such as intelligent register controllers, of a heating, ventilating and/or air conditioning (hvac) system wirelessly communicate with each other on a peer-to-peer basis, forming a network, and collectively control the hvac system, without a central controller. The intelligent register controllers collectively control the amount of conditioned air introduced into each region.
Zoner Llc


Operation of a cascade air conditioning system with two-phase loop


A method of operating a heat transfer system includes starting operation of a first heat transfer fluid vapor/compression circulation loop including a fluid pumping mechanism, a heat exchanger for rejecting thermal energy from a first heat transfer fluid, and a heat absorption side of an internal heat exchanger. A first conduit in a closed fluid circulation loop circulates the first heat transfer fluid therethrough.
Carrier Corporation


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Fabric air outlet device


air conditioning element (1) of a woven or non-woven fabric comprises a wall provided with at least a first array of through holes (21) for distributing air, wherein the following relations apply to the through holes (21) constituting said first array: the twofold value of the square root of the quotient between the value of the inlet area (s) of a through hole (21) and the value π is less than or equal to the value of the wall thickness of the element (1) in the region adjacent to said through hole (21) and the centre line (o1) of the through hole (21) intersects the inlet plane of said through hole (21) at an angle α=60° through 89°, more preferably 80° through 88°, most preferably 83° through 87°.. .
Prihoda S.r.o.


System for cooling a vehicle compartment


A system for cooling a vehicle compartment using a twin cell thermal battery and waste heat. Cool air from the evaporators of a twin cell thermal battery system is used to chill a compartment, such as an icebox in a trunk or a cabin of a vehicle.
Toyota Motor Engineering & Manufacturing North America, Inc.


Zero-energy consuming thermal energy management system for vehicles


Systems and methods are provided for the continuous operation of an air conditioning unit or climate control system in a vehicle. The system may include a power generating unit, such as an engine or a fuel cell stack, and an exhaust loop in fluid communication with the power generating unit.
Toyota Motor Engineering & Manufacturing North America, Inc.


Vehcile air conditioning apparatus


A vehicle air conditioning apparatus is provided that can extend the mileage of a vehicle by reducing the power consumed by the operation of a compressor and a heater. When a required quantity of heating q_req is acquired, the minimum power sharing ratio between quantity of heat release q_hpof a water-refrigerant heat exchanger 22 and quantity of heat release q_htrof a water heater 32 is calculated, which allows the power consumption w_total to be minimized, and a compressor 21 and the water heater 32 is operated based on the result of the calculation..
Sanden Corporation


Hair conditioning compositions with microcapsules


Examples and methods of providing hair conditioning compositions with microcapsules are described herein, in particular, with reference to the ratio of the encapsulated perfume oil to solute in the composition.. .
The Procter & Gamble Company


Hair conditioning compositions with microcapsules


Examples and methods of providing hair conditioning compositions with microcapsules are described herein, in particular, with reference to the ratio of the encapsulated perfume oil to solute in the composition.. .
The Procter & Gamble Company


Air conditioning system and control method thereof


An air conditioning system includes a plurality of indoor units installed in the same indoor space, an outdoor unit and a control device. The indoor units include respective usage-side heat exchangers capable of setting set temperatures individually.
Daikin Industries, Ltd.


System and air handling and air conditioning


A system for air handling and air conditioning to supply cool air inside a volume, the system including at least one enthalpy exchanger module including a dual airflow, enabling a heat transfer and a water vapor transfer between both airflows, the system configured to operate according to a cooling mode of the volume in which both airflows are respectively made of an outside airflow to be introduced into the volume, and a cooler dryer foul airflow, coming from inside of the volume. The system further includes: a mechanism enabling relative humidity of the outside airflow at an inlet of the enthalpy exchanger module to be determined; and a controller configured to command a heat supply to the outside airflow before it enters the module, when the relative humidity thereof exceeds a predetermined value..
Commissariat A L'energie Atomique Et Aux Energies Al Ternatives


Ventilation bed for vehicle and controlling the same


A ventilation bed for a vehicle may include an air conditioning system configured to supply air at a required temperature, a pad divided into a plurality of regions, and an airflow control apparatus configured to deliver the air supplied from the air conditioning system into the pad by controlling an amount and direction of the air, in which the air may be selectively supplied into at least a region of the pad depending on operation of the airflow control apparatus.. .
Hyundai Motor Company


Device for photocatalytic removal of volatile organic and inorganic contamination as well as microorganisms especially from automobile air conditioning systems


The device for photocatalytic removal of volatile organic and inorganic contaminations as well as microorganisms especially from air conditioning systems of mechanical vehicles consisting of a plate element applied with a photocatalytic layer as well as a load-carrying element holding a light source in the form of led diodes emitting uv light, preferably uv-a and/or uv-c, given that between the load-carrying element and the plate element created there is an arterial space, while the light source is mainly directed towards the layer in which the plate element (1) is isolated from the load-carrying element (2) with at least one spacer element (3), preferably applied with a photocatalytic layer. Preferably the external load-carrying element (2) or the external plate element (1) is equipped with a fastening element and the light source (7) consists of leds emitting uvis light with wavelength from 410 to 460 nm.
Phu Dytrych Sp. Z O.o.


Air-conditioning apparatus


A controller of an air-conditioning apparatus includes an operation control unit that controls operation of a compressor of a heat source unit based on target indoor temperatures of rooms, an unoccupied room detecting unit that detects an unoccupied room where no person is present among the rooms, and a correction amount setting unit that sets a temperature correction amount for correcting the target indoor temperature in a room controller of the unoccupied room detected by the unoccupied room detecting unit to reduce an air conditioning load for the unoccupied room. After the target indoor temperature is corrected by using the temperature correction amount in the room controller, when the operation capacity of the compressor controlled by the operation control unit is smaller than or equal to a preset operation capacity, the correction amount setting unit resets the temperature correction amount to be decreased by an adjustment amount..
Mitsubishi Electric Corporation


Efficient fan controller


Apparatus and methods for efficient hvac fan control. The apparatus includes an efficient fan controller for direct-expansion air conditioning and gas furnace, heat pump, electric resistance, and hydronic heating systems.

Stepladder based crane system


An air conditioning crane boom assembly having a number of mounting feet that removably secure the assembly to the rungs of a stepladder. Braces extend from these feet to a boom that extends horizontally away from the rungs of the stepladder.

Compositions comprising difluoromethane, pentafluoroethane, tetrafluoropropene, and tetrafluoroethane and uses thereof


Disclosed herein is a composition comprising (a) from 1 to 29 weight percent difluoromethane; (b) from 1 to 19 weight percent pentafluoroethane; (c) from 9 to 42 weight percent 1,1,2,2-tetrafluoroethane, 1,1,1,2-tetrafluoroethane, or a mixture thereof; and (d) from 34 to 68 weight percent 2,3,3,3-tetrafluoropropene, e-1,3,3,3-tetrafluoropropene or mixture thereof; wherein when the composition contains 2,3,3,3-tetrafluoropropene, the composition also contains at least some 1,1,2,2-tetrafluoroethane; wherein the ratio of component (a) to component (b) is at most 1.5:1; and wherein the ratio of component (c) to component (d) is at least 0.04:1. The compositions are useful in methods for producing cooling and heating, methods for producing air conditioning, methods for replacing hcfc-22, r-410a, r-407c, hfc-134a, cfc-12, hcfc-22 and hcfc-124 and in heat transfer systems including heat pumps and air conditioners..
The Chemours Company Fc, Llc


Air conditioner for vehicle


An air conditioner for a vehicle has a first shaft that drives a first air-mix door in conjunction with being rotated, a second shaft that drives a second air-mix door in conjunction with being rotated, and a rack that interlocks the first shaft and the second shaft with each other. The rack has an elongated shape, thereby a mounting space can be smaller with respect to a rink mechanism.
Denso Corporation


Air conditioning device


The present invention relates to an air conditioning device, and the purpose of the present invention is to provide an air conditioning device having a high thermal efficiency by filling a water tank with water and allowing air passing through a dry filter to flow into the water so as to secondarily filter the air, and by directly heating or cooling the water of the water tank. Thus, the present invention comprises: an air-blower fan for sucking outside air so as to discharge the outside air with pressure; a dry filter for primarily filtering and discharging the air discharged from the air-blower fan; and a water tank which accommodates water therein and receives the air passing through the dry filter in the water so as to secondarily filter the air by contacting the water, and which discharges, indoors, the air that rises up by passing through the water, wherein the inside of the water tank is provided with a heater for heating the water and a cooling coil for cooling the water..

Permanent magnet embedded electric motor, compressor, and a refrigerating and air conditioning device


A permanent magnet embedded electric motor includes a stator core disposed inside the frame and having a back yoke and a plurality of magnetic pole teeth; a rotor disposed on an inner diameter side of the plurality of magnetic pole teeth; and compression sections in which compression stress higher than compression stress occurring in the back yoke due to pressing force generated between the frame and the back yoke occurs. A compression section group having a set of two or more compression sections and of the plurality of compression sections is disposed on an outer circumferential section of the stator core.
Mitsubishi Electric Corporation


Heat exchanger and air conditioning device


A heat exchanger for an air conditioning device includes flat tubes, a vertically extending header collecting tube connected to the flat tubes, and fins joined to the flat tubes. The header collection tube has a loop structure including partition members, inflow ports, and upper and lower communicating passages.
Daikin Industries, Ltd.


Defrost learning algorithm based on time of defrost state operation


Systems and methods are disclosed that include providing a heating, ventilation, and/or air conditioning (hvac) system with a controller that may adjust the defrost procedure algorithm by monitor the refrigeration coil temperature sensor and the ambient outdoor temperature sensor, calculate an actual coil delta temperature (acdt); compare the calculated acdt to an initiate delta temperature (dtinit) associated with the measured ambient outdoor temperature; initiate a defrost procedure in response to the calculated acdt being greater than or equal to the dtinit; determine if the duration of the defrost procedure is within a predetermined time threshold; and adjust the duration of a next defrost procedure in response to determining that a predetermined number of consecutive defrost procedures have occurred outside of the predetermined time threshold.. .
Trane International Inc.


Hvac systems and methods with improved stabilization


Systems and methods are presented for improving stabilization of a heating, ventilating, and air conditioning (hvac) system. More specifically, the systems and methods include a heat-flow modulator for regulating an exchange of thermal energy between a flow of refrigerant and a sensory bulb.
Lennox Industries Inc.


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Air coditioning device


An air conditioning device includes a main refrigerant circuit and a discharge-intake bypass circuit. The refrigerant circuit is operable in a heating mode and a positive cycle defrosting mode.
Daikin Industries, Ltd.


Low gwp heat transfer compositions


Heat transfer compositions, methods, and systems including (a) hfc-32; (b) hfo-1234ze; and (c) either hfc-152a. In certain aspects, such compositions include (a) from about 33% to about 70% by weight of hfc-32; (b) from about 20% to about 66% by weight of hfo-1234ze; and (c) from greater than about 0% to about 30% by weight of hfc-152a.
Honeywell International Inc.


Air conditioning apparatus with primary and secondary heat exchange cycles


An air-conditioning apparatus has a controller that sets the target value of a difference between the temperatures of a secondary-side heat transfer medium at positions before and after a plurality of use side heat exchangers during a rated operation in a heating operation so as to have a larger magnitude than a target value of the difference between the temperatures of the secondary-side heat transfer medium at positions before and after the plurality of use side heat exchangers during a rated operation in the cooling operation.. .
Mitsubishi Electric Corporation


Air conditioning controlling same


An air conditioning system includes a plurality of indoor units installed in the same indoor space, an outdoor unit and a control device. The indoor units include respective usage-side heat exchangers capable of setting set temperatures individually.
Daikin Industries, Ltd.


Gas turbine inlet air conditioning coil system


A system includes a gas turbine system, including an air intake system that includes a housing, a first plurality of air conditioning coils, a second plurality of air conditioning coils that is downstream relative to the first plurality, and a baffle extending between each of the first and second pluralities of air conditioning coils, wherein the baffle is configured to direct an air flow through the first or second pluralities of air conditioning coils in a closed position, and the baffle is configured to enable air flow to bypass the first and second pluralities of coils in an opened position.. .
General Electric Company


Vehicle seat


A vehicle seat capable of efficiently utilizing air delivered from an air conditioning device and thereby adjusting the temperature of heat generated by a seat heater is described. A vehicle seat comprises a seat heater between a cushion pad and a surface skin.
Ts Tech Co., Ltd.


Air conditioning unit for vehicle


An air conditioning unit for a vehicle has a casing, a heating heat exchanger, a first partition plate, a first opening, a second partition plate, a second opening, and a switching door. The casing has a face opening and a foot opening.
Denso Corporation


Air conditioning apparatus in plant cultivation


In an air conditioning apparatus, mixed ambient gas obtained by mixing carbon dioxide with ambient gas in a mixing unit communicating with outlets and, moreover, adjusting temperature and humidity of the mixed ambient gas is supplied to a plant substantially uniformly through the outlets installed in the vicinity of the plant, which makes transpiration of leaves of the plant uniform, and further allows air conditioning control to be performed only over the vicinity of the plant and carbon gas concentration to be managed on the same.. .
Panasonic Intellectual Property Management Co., Ltd.


Method of and system for flame sensing and diagnostic


A method of determining presence of a flame in a furnace of a heating, ventilation, and air conditioning (hvac) system. The method comprises determining, using a controller, whether a processor signal (g) is active, responsive to a determination that the processor signal (g) is active, determining, using the controller prior to assertion of a flame-test input control signal, an output state of a first comparator, responsive to a determination that the output state of the first comparator is high, determining, using the controller prior to assertion of the flame-test input control signal, an output state of a second comparator, and responsive to a determination that the output state of the second comparator is low, transmitting, using the controller, a notification that a flame is present..
Lennox Industries Inc.


Air conditioning apparatus with control device for varying the angle of air conditioning discharge flaps


An air conditioning apparatus includes a control device that controls a swing action of flaps of an air conditioning apparatus. The flaps are swung up and down.
Daikin Industries, Ltd.


Photovoltaic air conditioning system


The disclosure discloses a photovoltaic air conditioning system, which includes a photovoltaic cell array (10), an air conditioning unit (30), a current conversion unit (20) and direct current bus-bars (40 and 50). The air conditioning unit (30) includes a first inverter module (31), the current conversion unit (20) is connected between a public grid (60) and the first inverter module (31), and capacity of the current conversion unit (20) is configured according to a requirement of the photovoltaic cell array (10) or the public grid (60).
Gree Electric Appliances, Inc. Of Zhuhai


Air conditioner


An air conditioner is disclosed. The air conditioner includes a case having a first and a second indoor suction port and a first and a second indoor discharge port, an air conditioning unit having a first and a second heat exchanger, a first indoor flow channel connected between the first indoor suction port and the first indoor discharge port, a second indoor flow channel connected between the second indoor suction port and the second indoor discharge port, and a condensing unit to receive regenerated air, heat-exchanged with the condenser, from one of the first indoor flow channel and the second indoor flow channel, and perform a heat exchange between the regenerated air and a cooling fluid having a lower temperature than the regenerated air..
Lg Electronics Inc.


Control housing for a heating or ventilation or air-conditioning control system, and system equipped with said housing


Control housing (1) for a heating or ventilation or air conditioning system, consisting in a housing body (2) closed by a lid assembly and being characterized by the fact that the housing body (2) includes at least one hydraulic control compartment (4) in which a hydraulic equipment-receiving space is formed, the hydraulic control compartment (4) including at least one opening (16, 17) for piping element(s) to pass through, the receiving space further including a unit (27, 28, 36) for maintaining in position at least one piping element. The maintaining unit may include a device (27, 28) for supporting piping element(s) which are formed by at least one pair of bearing surfaces (29) and a unit for locking in position at least one piping element against at least one bearing surface (29)..
Fracotech


A multi-purpose channel for roof, facade panels


A multi-purpose channels which are placed inside a roof panel and a facade panel, which are used as roof, facade coating material or dividing wall, during production step. By means of this channel or channels, the carrying capacity of both roof panel and facade panel will be affected positively, and the roof panel and the facade panel can be used as a part of the systems for fire extinguishing, providing resistance against fire, heating, cooling, air conditioning, acoustic and decorative, cabling which provides audio, light, visual, information and electrical conduction..

Indoor liquid/suction heat exchanger


Systems and methods are disclosed that include providing an air conditioning (a/c) system having an indoor unit with a liquid/suction heat exchanger (lshx) coupled between an outdoor heat exchanger of an outdoor unit and an indoor metering device on a so-called “liquid” line and coupled between an indoor heat exchanger and a compressor of the outdoor unit on a so-called “vapor” line. The lshx is configured to increase the efficiency of the a/c system by increasing the amount of subcooling in the refrigerant on the liquid line of the lshx and increasing the amount of superheat in the refrigerant on the vapor line of the lshx..
Trane International Inc.


Air conditioning unit


The present invention provides an air conditioning unit having an indoor unit, the indoor unit including: a casing; a centrifugal fan having a hub, a shroud, and blades disposed therebetween; and an indoor heat exchanger which surrounds the centrifugal fan, the casing containing the centrifugal fan and the indoor heat exchanger. In the indoor unit, the indoor heat exchanger has a planar air inflow surface allowing an inflow of air discharged from an air outlet of the centrifugal fan, the air inflow surface is provided with a rectifying member, the rectifying member includes a support having an insertion portion fixed between fins on the air inflow surface, and a vane having a shape extending from the support toward a direction opposite a rotating direction of the centrifugal fan, the rectifying member configured to block some of the air flowing between the centrifugal fan and the air inflow surface, and an angle formed by the insertion portion and the vane in the plane orthogonal to a rotation axis of the centrifugal fan is set to become parallel to the air inflow from the air outlet to the air inflow surface at least at the hub side to increase a static pressure of the air at upstream and downstream sides of the vane..
Hitachi Appliances, Inc.


Air conditioning flashing hood


An air conditioning flashing hood adapted to be connected to the wall structure and extend through the exterior wall of the structure to provide a passage through which a refrigerant line and an electrical control line may extend to communicate with an external compressor. The air conditioning flashing hood includes an internal sealing element which compresses against the outer surface of the refrigerant line and the electrical control line to form a substantially weather-tight seal therebetween to mitigate fluid migration along the lines into the structure, as well as to provide a barrier for any bugs, debris or animals to keep such undesirable objects from entering the structure..

Hair conditioning sunscreen device


A hair conditioning sunscreen device for applying sunscreen and hair conditioner to a scalp covered by fine hair to provide protection to the scalp and inhibit damage to the hair includes a mixture of a sunscreen and a hair conditioner wherein the mixture is applicable to skin covered by fine hair such that the skin is protected from ultraviolet light and the hair is conditioned by the hair conditioner.. .

Drive train of a hybrid motor vehicle


A drive train of a hybrid motor vehicle has an internal combustion engine (4), at least one first electric motor (16), at least a first clutch arrangement (6), at least one gear assembly (8), a storage arrangement and at least one auxiliary unit, such as an air conditioning compressor. The internal combustion engine (4) is connected drivingly to a first drive axle (14) via the clutch arrangement (6) and the gear assembly (8), and the first electric motor (16) is connected drivingly to a second drive axle (22) and to the storage arrangement and/or the auxiliary unit.
Dr. Ing. H.c. F. Porscheaktiengesellschaft


Air conditioning unit


An air conditioning unit has an air conditioning case, a blower, and a heat exchanger. The air conditioning case is arranged in a vehicle compartment on a rear side with respect to an instrument panel in a traveling direction of a vehicle and forms an air passage delivering air toward a specified area of the vehicle compartment.
Denso Corporation


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Air conditioning device for a motor vehicle with dual stream incorporating a heat distributor


The invention relates to a device (1) with a dual air conditioning stream for a motor vehicle, comprising a chamber (2) containing an evaporator (3) and a radiator (4). A lower air stream admitted via a lower inlet (6) passes in succession through a lower portion of the evaporator (3) and of the radiator (4) before being discharged via a lower outlet (7).
Valeo Systemes Thermiques


Power electronic device cooling system and distributed power generation system


The invention discloses a power electronic device cooling system, which includes an air conditioning unit, a coolant pump (31), a bypass throttling element (32) and a cooler. The coolant pump (31) takes liquid from a first condenser (13) of the air conditioning unit, a liquid coolant enters the cooler after being throttled by the bypass throttling element (32), the low-temperature coolant cools a power electronic device at the cooler, and the coolant enters an evaporator (11) of the air conditioning unit to finish a cooling cycle after flowing out of the cooler.
Gree Electric Appliances, Inc. Of Zhuhai


Remote monitoring of an hvac system for fault detection and diagnostics


A method and system for detecting and diagnosing faults in a heating, ventilation and air conditioning (hvac) system includes a remote server receiving data from sensors associated with the hvac system. The data received includes measured sensor data, from both hvac equipment and co-located sensors, and identifying criteria for identifying the piece of equipment associated with the sensor and/or identifying a location of the sensor, which may or may not be on or in the hvac equipment.
Trane International Inc.


Temperature sensor validation


Systems and methods are disclosed that include providing a heating, ventilation, and/or air conditioning (hvac) system with a temperature sensor validation system that measures the ambient outdoor temperature using a first temperature sensor and the refrigeration coil temperature using a second temperature sensor at a plurality of time intervals following a refrigeration coil defrost procedure. A system controller may implement an algorithm to determine if the first temperature sensor and the second temperature sensor are reliable by comparing the temperature readings from the first temperature sensor and the second temperature sensor taken at the plurality of time intervals following the defrost procedure.
Trane International Inc.


Air conditioner system with air treatment integration


An air conditioning system which includes a controller having processing circuitry connected to a database and a dispenser is disclosed. The controller includes at least one memory, at least one processor, and at least one timer.

Air conditioning device for vehicle


An air conditioning device for a vehicle includes a first water-refrigerant heat exchanger, a second water-refrigerant heat exchanger, and a first flow rate adjusting unit. The first water-refrigerant heat exchanger exchanges heat between a refrigerant of low-temperature and low-pressure in a heat pump and an engine coolant flowing in an engine coolant path to vaporize the refrigerant.
Panasonic Intellectual Property Management Co., Ltd.


Adaptive vehicle climate control system and method


Vehicle climate control systems include heating, ventilating and air conditioning (hvac) systems for adjusting the vehicle cabin temperature. The hvac system can deliver heated or cooled air to the vehicle interior to achieve a desired temperature inside the vehicle cabin.
Ford Global Technologies, Llc


Method of manufacturing air conditioning condenser


A method of manufacturing an air conditioning condenser including tubes, fin members and headers includes supplying a number of tubes corresponding to the total length of n condensers that are intended to be fabricated at one time, respectively disposing the fin members, which have been subjected to cladding treatment, between the tubes, respectively disposing pressing force retainers, which have not been subjected to cladding treatment, between unit tubes each including a predetermined number of tubes, temporarily coupling the headers to both ends of the tubes, brazing all of the components, removing the pressing force retainers from the unit tubes, and cutting the headers to a length corresponding to the length of each of the unit tubes.. .
Samwon Industrial Co., Ltd.


Device for operating a heating, ventilation, and air conditioning network


In one embodiment a control unit for managing an hvac system includes an rs-bus interface that may communicate with one or more hvac units. A plurality of universal asynchronous receiver/transmitter (uart) ports, wherein at least one of the uart ports may communicate with an interactive display using an rs-485 communication protocol, a secure digital input output (sdio) port configured to interface with a wi-fi module, wherein the wi-fi module is operable to communicate with a plurality of hvac sensors, wherein the plurality of hvac sensors operable to measure temperature.
Lennox Industries Inc.


Hvac system and an hvac controller configured to generate master service alarms


A method of generating an alarm based on temperature conditions within an enclosed space. The method includes receiving, by a processor of a heating, ventilation, and air conditioning (hvac) system, operating-condition information of the hvac system, determining, by the processor from the received operating-condition information, whether temperature within the enclosed space is approaching a setpoint temperature.
Lennox Industries Inc.


Air conditioning system


An air conditioning system that includes at least one indoor unit that uses water as a working fluid, an outdoor unit that uses a refrigerant as a working fluid, the outdoor unit including a compressor compressing the refrigerant and an outdoor heat exchanger for heat-exchange with the refrigerant, and a heat collection unit connecting the at least one indoor unit to the outdoor unit, the heat collection unit including at least one heat exchange part for heat-exchanging water supplied from the at least one indoor unit with the refrigerant supplied from the outdoor unit.. .
Lg Electronics Inc.


Hvac system and an hvac controller configured to operate the hvac system based on air pollutant data and user comfort


According to some embodiments, a heating, ventilating and air conditioning (hvac) system comprises a circulation fan, one or more humidity sensors operable to sense humidity data associated with an enclosed space, and a controller. In operation, the controller receives the humidity data from the one or more humidity sensors and receives air quality data associated with at least one air pollutant.
Lennox Industries Inc.


Distributed heating, ventilation, and air conditioning system


In one embodiment, an hvac system includes a first control unit communicatively coupled to a first plurality of hvac units and a first interactive display. A second control unit communicatively coupled to a second plurality of hvac units and a second interactive display.
Lennox Industries Inc.


Creation and configuration of a distributed heating, ventilation, and air conditioning network


In some embodiments, a system for operating an hvac control network includes a first control unit communicatively coupled to a first plurality of hvac units and a first interactive display, the first control unit further comprising a software access point (softap). A second control unit, the second control unit communicatively coupled to a second plurality of hvac units and a second interactive display.
Lennox Industries Inc.


Operational control of a heating, ventilation, and air conditioning network


In one embodiment, a system for managing control units in hvac network includes a first control unit communicatively coupled to a first plurality of hvac units and a first interactive display, and the first control unit controls hvac services for a first zone. A second control unit communicatively coupled to a second plurality of hvac units and a second interactive display, and the second control unit controls hvac services for a second zone.
Lennox Industries Inc.


Hvac system, a operating the hvac system and a hvac controller configured for the same


In some embodiments, a controller for a heating, ventilating and air conditioning (hvac) system comprises an interface and a processor. The interface receives a comfort temperature set point and a sensed temperature for the enclosed space.
Lennox Industries Inc.


Server integration with a heating, ventilation, and air conditioning system


In one embodiment, a server for operating an hvac network includes an interface operable to receive a registration request from a control unit, wherein the registration request includes an installation report comprising a serial number for an hvac unit communicatively coupled to the control unit, a serial number for an interactive display communicatively coupled to the hvac unit, a plurality of operating parameters for the hvac unit, a geographic address of a location of the control unit, and a user name and login password for accessing the control unit. The server may also include a processor communicatively coupled to the interface and operable to authenticate the control unit based on the registration request, register a primary user device associated with the control unit, register a secondary user device associated with the control unit, establish a control link between the control unit and the primary and secondary user devices, wherein the control link facilitates control commands between the control unit and the primary and secondary user devices, and store the installation report in a server database..
Lennox Industries Inc.


Efficient distribution of heating, ventilation, and air conditioning functionality


In one embodiment, a system for replicating settings in an hvac network includes a first control unit including a first internal clock, the first control unit communicatively coupled to a first plurality of hvac units and a first interactive display. The system may also include a second control unit comprising a second internal clock, the second control unit communicatively coupled to a second plurality of hvac units and a second interactive display.
Lennox Industries Inc.


Diagnosing and troubleshooting a heating, ventilation, and air conditioning system


In some embodiments a system for troubleshooting an hvac system includes, a control unit communicatively coupled to a first plurality of hvac units and a first interactive display. The control unit may connect to a wi-fi network and the wi-fi network may be generated by a wireless access point connected to the internet.
Lennox Industries Inc.


Resilient operation of a heating, ventilation, and air conditioning system


In one embodiment, an hvac system includes a first control unit communicatively coupled to a first plurality of hvac units and a second control unit communicatively coupled to a second plurality of hvac units. The first control unit may connect to the second control unit using a wi-fi direct protocol to create an hvac control network.
Lennox Industries Inc.


Charge management for air conditioning


In various implementations, an air conditioning system may automatically adjust an amount of refrigerant using an accumulator. The air conditioning system may operate in at least two operation modes including a cooling operation and a reheat operation.
Lennox Industries Inc.


Aircraft and fuselage cooling structure


Under constraints on the space and the weight of an aircraft, the present invention aims to protect structural members from a heat generation part. An aircraft includes: a fuselage; an air conditioning pack installed on the outside of a lower part of the fuselage; a fairing covering the air conditioning pack; an outer heat insulation material disposed in a region of the fuselage, which corresponds to the air conditioning pack, from the outside of the fuselage; and an inner heat insulation material disposed around the region on the inside of the fuselage..
Mitsubishi Aircraft Corporation


Air-conditioning system for a motor vehicle


An air conditioning system for conditioning the air of a passenger compartment of a motor vehicle comprises a housing with a first and a second flow conduit for conducting air and a coolant circuit with at least two heat exchangers, wherein a first heat exchanger is arranged in the first flow conduit and a second heat exchanger is arranged in the second flow conduit. The first heat exchanger can be operated independently of the operating mode as an evaporator and the second heat exchanger can be operated independently of the operating mode as a condenser.
Halla Visteon Climate Control Corp.


Translucent hair conditioning composition


Disclosed is a hair conditioning composition comprising: a cationic surfactant; a high melting point fatty compound having a melting point of 25° c. Or higher; a material having a refractive index of from about 1.30 to about 1.70; and an aqueous carrier, wherein a composition has a transmittance of at least about 0.5%.
The Procter & Gamble Company


Translucent hair conditioning composition


Disclosed is a hair conditioning composition comprising: a cationic surfactant; a high melting point fatty compound having a melting point of 25° c. Or higher; a material having a refractive index of from about 1.30 to about 1.70; and an aqueous carrier, wherein a composition has a transmittance of at least about 0.5%.
The Procter & Gamble Company


Integrated infrastructure


A single infrastructure arrangement resulting from merging two or more sets of infrastructure. For example, an arrangement may incorporate an infrastructure or a set of infrastructure incorporating components with wireless access points and one or more sets of infrastructure with components having functional purposes, for example, such as those of heating, ventilation and air conditioning systems, smoke detection, security, and so on.
Honeywell International Inc.


Two conductor wireline guided control and an hvac system employing the same


A heating, ventilation, and air conditioning (hvac) system includes a control unit, a central controller coupled to the control unit via a first two-conductor wireline structure, and a plurality of hvac system components coupled to the central controller via a second two-conductor wireline structure. The central controller is configured to receive, via the first two-conductor wireline structure, control information corresponding to an enclosed space, generate control data, and transmit, via the first two-conductor wireline structure, the control data to at least one of the plurality of hvac system components to regulate operations thereof..
Lennox Industries Inc.


Air conditioning device for vehicle


There is disclosed an air conditioning device for vehicle in which in a defrosting mode to defrost an outdoor heat exchanger, the defrosting of the outdoor heat exchanger can be achieved without hindrance while maintaining heating of a vehicle interior. A refrigerant discharged from a compressor 2 radiates heat in a radiator 4 and the refrigerant by which heat has been radiated is decompressed and then absorbs heat in an outdoor heat exchanger 7 to heat the vehicle interior.
Sanden Holdings Corporation


Water-evacuator for air conditioner


A method for retrofitting an aircraft air conditioning unit drainage system comprises the step of removing drain pipe from the unit housing. A hole from which the drain pipe extends is plugged.
Cessna Aircraft Company


Air conditioning system


False determination in the presence or absence of a person in a in a room is limited. An air conditioner suspends an air conditioning operation if a room is vacant.
Daikin Industries, Ltd.


Hvac condenser condensate deflector that deflects and channels the hvac condensate


An acoustic barrier panel for reducing transmission of sound between a motor vehicle engine compartment and a motor vehicle passenger compartment includes an integral motor vehicle heating, ventilating, and air conditioning (hvac) unit condensate deflector. The hvac unit condensate deflector may be defined in a material of the acoustic barrier panel.
Ford Global Technologies, Llc


Produce ripening chamber


A produce ripening chamber is described which comprises an air conditioning system for circulating air through the chamber and regulating the air temperature and a doping system for regulating the concentration of a ripening agent in the recirculated air. The chamber 10 has a floor 12, a ceiling 14 and side walls 16 extending between the floor 12 and the ceiling 14.

Permanent magnet motor, refrigeration compressor and air conditioning unit


A stator and a rotor are mounted inside a case of the permanent magnet motor, and separate the inner cavity of the case into a first inner cavity and a second inner cavity. Axial ventilation holes in communication with the first inner cavity and with the second inner cavity, are disposed in teeth of a stator core of the stator, and each axial ventilation hole is a taper hole extending in a height direction of each tooth.
Gree Electric Appliances, Inc. Of Zhuhai


Estimated consumption quantity calculation system, server, estimated consumption quantity calculation method, and computer-readable recording medium whereupon program is recorded


To calculate the estimated consumption quantity of each user in shared spaces each being usable at a time by multiple users so as to satisfy each user who has performed energy-saving behavior. A room with mild air conditioning and a room with strong air conditioning include respective air conditioners and respective sensors each of which senses a user entering and exiting the corresponding one of the rooms.
Nec Corporation


Air conditioning and water-harvesting


A system that provides both air conditioning and atmospheric water-harvesting has a refrigerant compressor and a refrigerant condenser that serve separate evaporators for the air conditioning subsystem and the atmospheric water-harvesting subsystem. The system can be controlled to operate in one mode that maximizes water production output or another mode that maximizes efficiency in terms of water output per unit of electricity consumed.
Water Generating Systems I, Llc


Heat pump system, heat pump unit using the same, and controlling multiple functional modes thereof


The present invention discloses a heat pump system, a controlling method thereof, and a heat pump unit using the heat pump system. The heat pump system includes a compressor, a first heat exchanger, a second heat exchanger, a heat-recovery-type heat exchanger, a multi-way valve, throttling elements, and a mode-switching flow path, which has both air conditioning and water heating functions.
Carrier Corporation


Air diffuser systems, methods, and apparatuses


Aircraft, air conditioning systems, and air diffusers that may be used to create a quiet, comfortable environment within an aircraft cabin are disclosed. For example, an aircraft cabin air diffuser, which may be used in an air conditioning system and/or an aircraft, may include an inlet section, a neck section downstream of the inlet section, an outlet section downstream of the neck section, and a flow controller within the neck section.
The Boeing Company


Motor vehicle having an air conditioner compressor as a starter of the internal combustion engine


A motor vehicle includes a hybrid drive having an internal combustion engine and an electric drive motor, and an air conditioning system having a compressor configured to compress a refrigerant, and an electric motor configured to operate the compressor and to start the internal combustion engine as electric starter when being coupled with the internal combustion engine. The electric motor has an inverter to operate the electric motor directly with high voltage of a high-voltage onboard electrical system of the motor vehicle so as to enable the electric motor to apply a mechanical torque for re-staring the internal combustion engine in case of need in the absence of any assistance from the electric drive motor.
Audi Ag


System and recovering refrigerant


An air conditioning service system includes a plurality of conduits and voids defining a total refrigerant receiving volume of the air conditioning service system, a pressure transducer configured to sense a pressure at a first location in the plurality of conduits and voids, a compressor operably connected to the plurality of conduits and voids, and a controller. The controller determines a quantity of refrigerant recovered from a refrigeration system by obtaining a first pressure signal from the pressure transducer corresponding to a first pressure at the first location, operating the compressor to recover the refrigerant from the refrigeration system after the first pressure is sensed, obtaining a second pressure signal from the pressure transducer corresponding to a second pressure at the first location after operating the compressor, and determining an amount of refrigerant recovered from the refrigeration system based on the first pressure signal an the second pressure signal..

Monitoring apparatus and monitoring method


A monitoring apparatus includes an information obtaining unit that obtains, from a target vav air conditioning system to be monitored, a room temperature and a variable air volume; a room temperature display processing unit that displays, in a form of a graph, the room temperature obtained from the target vav air conditioning system to be monitored; a controllable range calculating unit that calculates a length of a bar of a bar graph indicating a controllable range on the basis of the variable air volume; and a controllable range display processing unit that displays the bar graph including the bar having the length calculated by the controllable range calculating unit such that the bar graph is overlapped with the room temperature.. .

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Air conditioning with auxiliary thermal storage


A method of cooling includes cooling and compressing a refrigerant into a liquid state using a compressor and outside air handler then flowing the refrigerant in the liquid state through heat transfer tubes that are situated within a thermal storage, the thermal storage at least partially filled with a material, where the refrigerant extracts heat from the material as the refrigerant changes state from the liquid into a gas and the refrigerant in gaseous form returns to the compressor. The refrigerant also flows, in the liquid state, into an inside air handler where the refrigerant in liquid form extracts heat from air flowing through the inside air handler as the refrigerant changes into a gaseous state, which then flows back to the compressor where the compressor and outside air handler condenses the refrigerant back into the liquid state..

Air conditioning with thermal storage


A method of cooling includes cooling and compressing a first refrigerant into a liquid state then flowing the first refrigerant in the liquid state through a first set of heat transfer tubes that are situated within a thermal storage. The thermal storage is at least partially filled with a material.

Methods and systems for mini-split liquid desiccant air conditioning


A split liquid desiccant air conditioning system is disclosed for treating an air stream flowing into a space in a building. The split liquid desiccant air-conditioning system is switchable between operating in a warm weather operation mode wherein the system provides cooling and dehumidification, and a cold weather operation mode wherein the system provides heating and humidification, as well as into a mode wherein the system provides heated, dehumidified air to a space..

Methods and systems for desiccant air conditioning


Methods and systems are provided for air conditioning, capturing combustion contaminants, desalination, and other processes using liquid desiccants.. .

Methods and systems for desiccant air conditioning


Methods and systems are provided for air conditioning, capturing combustion contaminants, desalination, and other processes using liquid desiccants.. .

Methods and systems for turbulent, corrosion resistant heat exchangers


Disclosed are various turbulent, corrosion-resistant heat exchangers used in desiccant air conditioning systems.. .

Smart water heater


The systems and methods described herein relate to heating ventilation and air conditioning (hvac) systems and water heating systems in relation to a building and residential automation system. Some embodiments of the systems and methods described herein relate to hvac systems and water systems in relation to an integration of building or residential automation systems.



Air Conditioning topics:
  • Air Conditioning
  • Heat Exchanger
  • Evaporator
  • Refrigerant
  • Ventilation
  • Phase Change Material
  • Air Conditioner
  • Surfactant
  • Internal Combustion Engine
  • Hanging Apparatus
  • Telecommunications Equipment
  • Telecommunication
  • Data Center
  • Communications
  • Telecommunications


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