|| List of recent Air Conditioning-related patents
|Control system for auxiliary power unit of a vehicle|
A method of controlling an auxiliary power unit of a vehicle. The auxiliary power unit is in communication with an air conditioning system of the vehicle and includes an engine and an alternator coupled to the engine.
|Systems and methods for energy-efficient control of an energy-consuming system|
Systems and methods are provided for efficiently controlling energy-consuming systems, such as heating, ventilation, or air conditioning (hvac) systems. For example, an electronic device used to control an hvac system may encourage a user to select energy-efficient temperature setpoints.
|Air conditioning indoor unit|
An air conditioning indoor unit includes a casing having an air outlet, a horizontal blade that changes an up and down direction flow of outlet air, a coanda blade to change the outlet air to a coanda airflow along an undersurface of the coanda blade, and a control unit. The control unit adjusts a relative angle between the coanda blade and the horizontal blade to selectively use either of a first airflow state and a second airflow state.
|Device for the air conditioning and/or monitoring of building or warehouse areas|
Device for the air-conditioning and/or monitoring of building or warehouse areas, containing a housing consisting of plastic or composite material shaped as a hollow body and having air entry, air guidance and air exit sections, at least one fan roller provided with a plurality of profiled fins made of composite material or plastic, and drivable by at least one electric motor, the fan roller being positionable inside the housing, and a casing for the housing, formed by a flexible plastic or composite material panel that can be connected to the housing, wherein an end section of the casing can be releasably connected to a housing section, an approximately arc-shaped contour of the casing is formed by bending the casing lying outside the housing, and after further bending of the casing, the free end thereof can be releasably fastened to a different housing section.. .
Hair conditioning composition comprising: —from 0.1 to 10% wt. Silicone —from 0.1 to 5% wt.
The present disclosure relates to shelving systems and methods that are adaptable to a number of applications, including building heating, ventilation, and air conditioning (“hvac”) systems, shelving units for holding children's games and toys, closet organizers with hangers and shelves, storage systems in a garage or workshop, storage shelves over a garage door, and as a shelving unit for audio and visual equipment. The shelving unit includes a means for attachment to an overhead member, such as a steel beam, wood rafter, wood joist, wood beam, or ceiling, a generally j or l shaped bar, the ability to raise or lower the j or l shaped bar to provide for storage at different heights, an extension member removably coupled to the j or l bar, and wherein the extension member has a length that provides for storage space of different widths.
|Air conditioner terminal device, air conditioning apparatus and data center|
The invention discloses an air conditioner terminal device (100), an air conditioning apparatus and a data center (1000), wherein the air conditioner terminal device (100) comprises an air passage (101) communicating from an air suction port (11) to an air discharge port (21), a heat exchanger (12) and a variable-speed fan (22) which forces air in the air passage (101) to flow towards the air discharge port (21) from the air suction port (11) are installed in the air passage (101), and both the air suction port (11) and the air discharge port (21) are open downwardly. Therefore, air circulation can be improved and refrigerating capacity of the air conditioner terminal device can be increased..
|Vehicle fairing for use with air conditioning unit|
A vehicle including a vehicle body, an air conditioning unit, and a fairing. The vehicle body includes a roof having a front portion and a rear portion.
A falling film evaporator for a heating ventilation and air conditioning (hvac) system includes an evaporator housing and a plurality of evaporator tubes located in the evaporator housing and arranged into one or more tube bundles. A volume of thermal energy transfer medium is flowed through the plurality of evaporator tubes.
|Air conditioning control device, air conditioning system, and air conditioning control method thereof|
The present invention discloses an air conditioner control device, air conditioning system, and air conditioner control method. The air conditioner control device of the present invention comprises a base and a controller.
|Calculation of flow in an air system|
A method is provided for determining an air flow in a vehicle air conditioning system that comprises an inlet; a plurality of outlets; at least one air duct for guiding air from the inlet to the outlets, each air duct being characterized by a predetermined flow resistance coefficient; at least one flap characterized by a flow resistance based on a degree of opening of the flap; and a fan for creating an air flow from the inlet to an outlet. The method comprises determining a total equivalent flow resistance between a predetermined location in the system and an interior of the vehicle, wherein flow resistances are treated as resistances in an electric circuit, and a total equivalent flow resistance is determined.
|Air conditioning units|
A ducted unit having first and second outlets wherein the first and second outlets are connected to each other by outlet ducting to form a closed loop, the outlet ducting having at least two spaced apertures for ejecting air within the outlet ducting at substantially constant pressure such that the air pressure within the closed loop outlet ducting is substantially equalized such that the outlets operate at a substantially constant pressure.. .
|Channel switching valve and vehicle air conditioning device provided with channel switching valve|
The invention is provided with: a housing having a refrigerant inlet and plurality of refrigerant outlets, through which a refrigerant flows in or out; and a valve body having refrigerant channels which are movably accommodated in the housing and can be selectively switched between communicating with the refrigerant inlet and with each of the refrigerant outlets; the refrigerant channels being partially constituted of an orifice and able to be selectively switched between a route passing through the orifice and a route not passing therethrough.. .
|Vehicle temperature control systems|
A vehicle temperature control system including a first and second heating, ventilation, and air conditioning (hvac) unit comprising a first compressor, a first blower, and a first heating element and a first ducting in fluid communication with the first hvac unit that selectively directs air to a first zone, a second zone, and a third zone of a vehicle through a plurality of outlet vents. The vehicle temperature control system also includes an electronic controller electrically coupled to the first hvac unit and the second hvac unit, the electronic controller comprising a synchronization device, a processor, and a memory, where the processor controls operation of the first hvac unit and the second hvac unit by controlling operating states of the first and second hvac units and selectively modifies an operating state of the second hvac unit to match the operating state of the first hvac unit..
|Insulated central air vent cover|
An insulated central air vent cover is easy to apply and provides a secure seal over a central air vent to prevent cold air that may be in air conditioning duct work from entering a dwelling. The insulated central air vent cover can include a rigid or semi-rigid panel having foam strips formed about its perimeter.
A cabin system to be mounted on a vehicle body includes a driver's seat, an air conditioner body for indoor air conditioning disposed downwardly of the drive's seat, a plurality of support pillars constituting a cabin framework, a ceiling portion, and a main duct having a hollow tubular construction, the main duct forming therein an air passageway for the indoor air conditioning. The main duct includes, at a lower portion thereof, a duct connecting opening to be connected to the air conditioner body and also includes, at a lateral portion thereof, a support pillar engaging face.
|Air conditioning system for motor vehicles and heat exchangers|
The invention concerns the air conditioning system (12) for motor vehicles, having a vehicle air conditioning device (14) which comprises a first heat exchanger (18) for heating air in the passenger compartment of the vehicle, and a stationary-mode air conditioning device (16) which comprises a second heat exchanger (20) for cooling air in the passenger compartment of the vehicle, wherein the first and second heat exchangers (18, 20) each have distributor systems (30) and a multiplicity of ducts (34), arranged in parallel, for a refrigerant or coolant as well as laminations (36) for transferring heat to air, characterized in that the distributor systems (30), ducts (34) and laminations (36) of the two heat exchangers (18, 20) have the same geometry.. .
|Air-conditioning apparatus for vehicle|
An air conditioning apparatus for a vehicle includes a refrigerant heater 41 that is provided between an internal evaporator 8 and a suction side of an electric compressor 20 to be in parallel with an external evaporator 32, and heats a refrigerant which is suctioned into the electric compressor 20; and an air conditioning control apparatus 50 that determines whether the external evaporator 32 is frosted. While the air conditioning apparatus for a vehicle operates in a heating mode, when the air conditioning control apparatus 50 determines that the external evaporator 32 is frosted, a supply of the refrigerant subject to the heat exchange in an internal condenser 9 to the external evaporator 32 is stopped, and the refrigerant is supplied to the refrigerant heater 41, is heated and then, is suctioned into the electric compressor 20..
|Thermal energy storage in a chiller system|
A method of operating an air conditioning system includes operating a refrigeration unit to cool a volume of refrigerant and circulating the refrigerant to a heat exchanger. A serviced space is cooled via a thermal energy exchange between the serviced space and the refrigerant at the heat exchanger.
|Arrangement for managing data center operations to increase cooling efficiency|
A method includes a step of storing in a memory efficiency characteristic information for each of a plurality of air conditioning units in a location containing a plurality of server computers, the efficiency characteristic information including information representative of an efficiency performance curve for a range of variable cooling output. The method also includes identifying a current thermal load on each of the plurality air conditioning units.
|Method and architecture for recovery of energy in an aircraft|
A method and architecture for recovery of energy in an aircraft, both at altitude and on the ground, and recovering thermal energy from an exhaust. An architecture for recovery of energy includes an auxiliary power unit apu including an exhaust nozzle and a gas generator including a shaft transmitting power to a load compressor.
|Networked monitor for heating ventilation and air conditioning systems|
A system for providing monitoring of hvac systems includes a database comprising a plurality of computing device records, and a plurality of technician records. The system further includes a computing device connected to the hvac system, the computing device comprising a network interface device, an optical sensor located adjacent to one or more light emitting devices of the hvac system, and a processor for reading the sensor data from the optical sensor and transmitting the sensor data to a server.
|Control device for air conditioner|
The present disclosure simplifies the h-bridge circuit of the direct current motor for driving the damper (door) that switches the air passages in the indoor unit of an air conditioning device. The control device for an air conditioner that takes in inside or outside air and conditions the air inside an air conditioning unit using an evaporator and a heater core is provided with: a first actuator and a second actuator that drive the multiple dampers installed inside the air conditioning unit for switching the air passages; and three half-bridge circuits that control the first actuator and the second actuator sharing one of the half-bridge circuits.
|Vehicle hvac system with lower mounted blower unit|
A heating, ventilation, and air conditioning (hvac) system for a vehicle may include a blower unit, an evaporator unit, and a conditioning unit. The blower unit includes a fan that draws in air into the hvac system.
|Building built-in air conditioning system|
A building built-in air conditioning system comprising: an external heat exchanger (1), a reversing valve (2), a compressor (4), and microporous tubes (9, 10, 11). The microporous tubes are metal capillaries bound on a construction steel bar (12) and integrated with the concrete by casting.
|Supervisory controller for hvac systems|
A supervisory controller for heating, ventilation, and air conditioning (hvac) systems is described herein. One device includes a data management module configured to receive a zone demand signal from a local controller of a zone of an hvac system and receive a number of additional signals from a number of sensors, and a parameter identification module configured to determine, based on the zone demand signal, whether the zone is in a comfort state by loading a best model structure from a number of models and identifying parameters of the best model structure based on data received from the data management module..
|Method and apparatus for an energy saving heating, ventilation, and air conditioning (hvac) control system|
Embodiments of methods and apparatus disclosed herein may employ depth, visual, or motions sensors to enable three-dimensional people counting and data mining to enable an energy saving heating, ventilation, and air conditioning (hvac) control system. Head detection methods based on depth information may assist people counting in order to enable an accurate determination of room occupancy.
|Hvac case design for reduced valve noise|
A heating, ventilation, and air conditioning (hvac) module includes a housing and a valve. The housing defines a protruding portion that substantially conforms to a portion of an arching pathway defined by a distal end of the valve.
|Heating, ventilation, and air conditioning duct boot insulation cover|
A silicone or other insulating material is used as a cover for a heating, ventilation, and air conditioning boot. The cover is formed to easily fit onto the boot by slipping over the outside of the boot.
|System and method for controlling compressor motor voltage|
A variable speed drive (vsd) can be used to vary the voltage-to-frequency ratio (v/f) supplied to a compressor motor of a heating, ventilation, air conditioning or refrigeration (hvac&r) system to compensate for varying conditions in the hvac&r system.. .
|Data center facility design configuration|
The methods and apparatuses described herein is a data center. In one embodiment is described a data center comprising: a building having a plurality of rooms and first and second exterior load walls disposed on opposite sides of the building; a plurality of air handler and fluid cooler devices disposed exterior to the building along the first exterior load wall; a plurality of condenser unit devices disposed exterior to the building along the second exterior load wall; a data sector disposed inside the building, adjacent to the first exterior load wall; three separate ups and substation distribution equipment rooms, each containing ups and substation distribution equipment therein, as well as air conditioning equipment that is connected to certain of the plurality of condenser unit devices; and a power spine room disposed between the three separate ups and substation distribution equipment rooms and the data sector, the power spine room including a plurality of pdu devices..
|Hvac system remote monitoring and diagnosis|
A monitoring system for a heating, ventilation, and air conditioning (hvac) system of a building includes a monitoring device installed at the building, a monitoring server located remotely from the building, and a review server. The monitoring device measures an aggregate current supplied to components of the hvac system and transmits current data based on the measured aggregate current.
|Air conditioning device|
The air conditioning device discharges ions into air inflowing through an inflow port and outflows the air from the outflow port. The air conditioning device includes an air passage branched into a first passage connected to a peripheral region including a part of a space close to an inner surface of the outflow port and a second passage connected to a central region including a center of the outflow port.
|Outdoor unit for air conditioning device|
A spray nozzle of an outdoor unit is provided with: an air guide portion through which air flows; a water guide portion through which water flows and which causes the air flowing through the air guide portion to flow into water to form water containing a large number of bubbles; and a spray portion that is located downstream of the water guide portion in a direction of water flow and sprays, to the outside, the water containing a large number of bubbles which is formed in the water guide portion.. .
|Battery holder for an electronic device|
A heating, ventilation, and air conditioning (hvac) controller may include a housing and a printed circuit board (pcb) situated within the housing. The pcb may include a battery seat region and electrical terminals for electrically connecting a battery to the pcb when the battery is positioned at the battery seat region.
A heating, ventilating and air conditioning (hvac) assembly that includes a duct and a coil assembly coupled to the duct. A supply line and return line are connected to the coil assembly.
|Hvac system remote monitoring and diagnosis|
An apparatus for monitoring a heating, ventilation, or air conditioning (hvac) system includes an indoor unit monitor module electrically connected to a current sensor and first and second refrigerant temperature sensors. The current sensor generates a first current signal based on aggregate current consumed by components of an indoor unit of the hvac system.
|Air conditioning system utilizing heat recovery ventilation for fresh air supply and climate control|
The vehicle ventilation module includes a return air duct, a fresh air duct, a heat exchanger, and first and second doors. The return air duct has a return air inlet and a return air outlet downstream of the return air inlet.
|Hvac door with intersecting surface configurations|
A fluid distribution door for use in a heating, ventilating, and air conditioning system includes a main body having a first surface and a second surface. The first surface and the second surface cooperate to form a first surface configuration which intersects with a second surface configuration.
|Hvac unit test apparatus and method therefor|
A method to test a heating ventilation and air conditioning (hvac) unit for external leaks is disclosed. The hvac unit includes a first and a second port and is coupled to an auxiliary air movement test system using one of the first or the second ports.
|Air conditioning system utilizing thermal capacity from expansion of compressed fluid|
A vehicle air conditioning system is provided. The vehicle air conditioning system includes a first vapor compression refrigeration loop.
|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 and a cold weather operation mode..
|Modular air grill assembly|
A modular air grill is taught having a removable return register and a removable supply register. The supply register may be replaced with a blank when adequate cooling or rapid cooling has occurred and the cooling through the ducts is desired rather than immediately adjacent to an air conditioning unit..
|Apparatus and methods for heating water with refrigerant from air conditioning system|
An apparatus for heating water has a tank for storing water and an air conditioning system that defines a refrigerant flow path through which refrigerant flows. The refrigerant flow path passes through the heat exchanger so that refrigerant heat is contributed to the tank.
|Air conditioning system including pressure control device and bypass valve|
An air conditioning system includes: first and second utilization side heat exchangers and a heat source side heat exchanger respectively connected in series; a compressor connected between the first utilization side heat exchanger and the heat source side heat exchanger; an expansion valve connected between the first utilization side heat exchanger and the second utilization side heat exchanger; a pressure control device connected between the second utilization side heat exchanger and the heat source side heat exchanger; and a bypass valve connected between the expansion valve and the heat source side heat exchanger. The bypass valve provides a variable amount of liquid refrigerant flowing from the expansion valve to the heat source side heat exchanger.
|Methods and systems for liquid desiccant air conditioning system retrofit|
Methods and systems are disclosed for utilizing liquid desiccant air conditioning systems in connection with existing hvac equipment to achieve reductions in electricity consumption.. .
|Apparatus and methods for pre-heating water with air conditioning unit or heat pump|
Water heater apparatus includes a tank for storing water; a heat exchanger associated with the tank and being operative to receive refrigerant and transfer heat therefrom to the tank, the heat exchanger representatively being a heat conductive tube externally wrapped around the tank in heat conductive contact therewith; air conditioning apparatus operative to utilize refrigerant flowing through a refrigerant circuit portion of the air conditioning apparatus, the refrigerant circuit portion being in fluid communication with the heat exchanger; and a control system operative to selectively cause a portion of the flowing refrigerant to pass through the heat exchanger, or cause essentially the entire flow of the refrigerant to bypass the heat exchanger.. .
|System and method for an adjustable channel for an air conditioning line set|
A system including at least one duct comprising a first portion defining a plurality of receiving members formed along a sidewall of the first portion and a second portion including an engaging member extending from a sidewall of the second portion, said engaging member being configured to selectively engage one receiving member of the plurality of receiving members to secure the first and second portions together with an opening of an adjustable size therebetween, and a connector to attach to an end of the duct, the connector having a first connector portion with an exterior surface defining a hole, a second connector portion including a housing defining a hole, and a fastener configured to pass through the hole in the exterior surface and the hole in the housing to secure the first and second connector portions together with an opening of an adjustable size therebetween corresponding to a respective size of the at least one duct.. .
|System and method for an adjustable channel for an air conditioning line set|
A system is presented for covering a plurality of line sets with respective sizes. The system includes a first portion defining a plurality of slots formed along a sidewall of the first portion.
|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..
|Systems for heating, ventilation, and air conditioning applications|
A motor control system for heating, ventilation, and air conditioning (hvac) applications is described. The motor control system includes a thermostat and an electronically commutated motor (ecm) coupled to the thermostat.
|Air conditioning device for vehicle|
An air conditioning device for a vehicle, comprising an intake portion that is provided at a cabin side at a vehicle ceiling portion, and that takes-in air; a blow-out portion that is provided at the cabin side at the vehicle ceiling portion, and that blows out, into the cabin, air that has been taken-in from the intake portion; and a blower device that is provided at the vehicle ceiling portion and that, by operating, blows air from the intake portion toward the blow-out portion, the blower device being disposed at a vehicle front-rear direction rear side of a bulging portion that bulges toward the cabin side and that accommodates a sunroof that opens and closes a roof opening portion that is formed in the vehicle ceiling portion.. .
|Method of controlling indoor temperature|
A method of controlling a temperature in a room includes the following steps: 1) sense a volume of sound in the room to obtain a sensed volume; and 2) control an output of an air conditioning unit to keep a temperature in the room in a first temperature while the sensed volume is higher than a volume value; or control an output of the air conditioning unit to keep a temperature in the room in a second temperature while the sensed volume is lower than the volume value and lasts for a first waiting time. A power consumption of the air conditioning unit to keep the temperature in the second temperature is lower than a power consumption of the air conditioning unit to keep the temperature in the first temperature to reduce the unnecessary power consumption when there is nobody in the room..
|Systems and methods for controlling energy use in a building management system using energy budgets|
Systems and methods for limiting power consumption by a heating, ventilation, and air conditioning (hvac) subsystem of a building are shown and described. A mathematical linear operator is found that transforms the unused or deferred cooling power usage of the hvac system based on pre-determined temperature settings to a target cooling power usage.
|Functional air conditioning apparatus and functional air conditioning method|
To provide an air-conditioning apparatus and an air-conditioning method with which air can be highly sterilized and cleaned not only in houses, but also in various facilities such as offices and factories, and, safe, pleasant, and healthy living space can be obtained, in a functional air-conditioning apparatus utilizing ground heat provided with a flow piping p which sucks air a in a room r or outside s from a suction opening pa, sends the air a into ground g to make the air a heat-exchanged with the ground g, and blows the heat-exchanged air a into the room r through a blow opening pb; the flow piping p is provided with a reciprocating pipe 10 for heat exchange having a going portion 11 to send the air a into the ground g and a returning portion 12 to return the air a heat-exchanged with ground heat under the ground, and a sterilizer 2. In which disinfectant liquid w is reserved, is disposed between the blow opening pb and a ground exhaust opening 10b of the reciprocating pipe 10 for heat exchange..
|Desiccant air conditioning methods and systems|
A desiccant air conditioning system for treating an air stream entering a building space, including a conditioner configured to expose the air stream to a liquid desiccant such that the liquid desiccant dehumidifies the air stream in the warm weather operation mode and humidifies the air stream in the cold weather operation mode. The conditioner includes multiple plate structures arranged in a vertical orientation and spaced apart to permit the air stream to flow between the plate structures.
|Vehicle air conditioning apparatus|
A vehicle air conditioning apparatus can ensure that the temperature of the air supplied to the vehicle interior is a preset temperature by securing the quantity of heat release for the radiator during a cooling and dehumidifying operation. The valve opening of the condensing pressure regulating part of the first control valve is smaller when the calculated opening sw of the air mix damper is equal to or more than the predetermined value than when the opening sw is smaller than the predetermined value.
|Heating, ventilation, and air conditioning system|
A high-efficiency hvac system and method of operation, for use in a house or building, having a plurality of components, including flexible, plastic duct tubing forming supply pipes that connect an air handler and a plurality of zones to deliver supply air to the zones and return pipes that connect the air handler and the zones to re-circulate return air; the air handler having a fan assembly powered by a variable blower motor to blow supply air to the zones; a heat pump having a variable compressor powered by a variable compressor motor to direct a working fluid to and from the air handler and a variable fan motor that rotates a fan blade within the heat pump; and a circuit control system for adjusting the variable compressor motor and the variable fan motor in the heat pump and the variable blower motor in the air handler.. .
|Refrigerant lubricant composition|
A pag lubricant basefluid for use with a fluoroalkene refrigerant, the basefluid containing a pag having the formula: rx(rao)x(rbo)yrc, where r is selected from alkyl groups having from 1-10 carbon atoms, acyl groups having from 1-10 carbon atoms, aliphatic hydrocarbon groups having from 2-6 valencies, and substituents containing a heterocyclic ring in which the heteroatom(s) are oxygen; x is o or s; ra is a c2 alkylene group; rb is a c3 alkylene group; rc is the same as r or is an h; x and y are each independently 0 or an integer ≦100; and the sum of x+y is an integer in the range of from about 5-100. Refrigeration and lubricant compositions containing the pag lubricant basefluid and a method of operating a motor-integrated compressor of a refrigeration or air conditioning system with substantially no electrical leakage current are also provided..
|Refrigerant additive compositions containing perfluoropolyethers|
The present invention relates to compositions and processes of using perfluoropolyether to maintain or improve the oil return, lubrication, cooling capacity, or energy efficiency of a refrigeration, air conditioning or heat transfer system.. .
|Condensate drain trap for an air conditioning system|
A condensate drain trap for an air conditioning system. The abstract of the disclosure is submitted herewith as required by 37 c.f.r.
|Humidity sensor diagnostics|
Embodiments for diagnosing a humidity sensor are provided. One example method comprises, responsive to a humidity sensor test cycle, pumping air conditioning and windshield washer gas flows past a humidity sensor, and indicating humidity sensor degradation based on a response of the humidity sensor to the air conditioning and windshield washer gas flows.
|Air conditioning apparatus|
An air-conditioning apparatus has different two modes including a response detection diagnosis in which a control unit diagnoses a trouble of a component device during the trouble diagnosis operation based on presence or absence of a response from the operational state sensor when the mode has forcibly changed the device operation, and a performance detection diagnosis in which a trouble is detected by a detection value of the operational state sensor at a time when the operational state of the trouble diagnosis operation is stable, and the performance detection diagnosis is executed after the response detection diagnosis is executed.. .
|Humidity control for air conditioning system|
An air conditioning system includes a cooling unit having a cooling coil and a fan, the cooling unit for cooling recirculated air from a return duct; a bypass duct providing an air pathway bypassing the cooling unit; a phase change material (pcm) module including a pcm and a pcm fan for drawing makeup air over the pcm; and a supply duct fluidly coupled to the cooling unit and the pcm module, the supply duct for supplying conditioned air to a space to be conditioned.. .
|Theft detection in hvac unit having persistent alarm|
A notification system for an air conditioning system includes a power source, first and second connectors, first and second switches, and a notification device. The power source has first and second power terminals.
|Permanent magnet embedded motor and compressor, blower, and refrigerating and air conditioning apparatus using permanent magnet embedded motor|
A permanent magnet embedded motor includes a rotor and permanent magnets. The outer circumferential surface of the rotor is formed by divided outer circumferential surfaces divided at equal angle intervals in a circumferential direction corresponding to permanent magnets.
|Hybrid air conditioning system|
A hybrid air system is provided for conditioning the air in a building and includes first and second independent air conditioning systems, one system having a larger capacity than the other and an independent dehumidifier each work independently and together to control the air on the inside of the building. The hybrid system improves air comfort while increasing efficiency and reducing operating costs and use of energy..
|System for reducing the condensing temperature of a refrigeration or air conditioning system by utilizing harvested rainwater|
An evaporative air conditioning heat transfer apparatus comprising a collection surface for diverting liquid into a channel, a reservoir capable of receiving and storing the diverted liquid, at least one conduit for transferring liquid from the reservoir to a liquid dispersion point, and a regulator positioned between the reservoir and the liquid dispersion point and configured to control the amount of liquid released at the liquid dispersion point, wherein the liquid dispersion point is configured to distribute the liquid over a condensing coil.. .