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This page is updated frequently with new Refrigerant-related patent applications. Subscribe to the Refrigerant RSS feed to automatically get the update: related Refrigerant RSS feeds. RSS updates for this page: Refrigerant RSS RSS


Apparatus and method for controlling a greenhouse environment

Stripper overhead heat integration system for reduction of energy consumption

Energy recovery apparatus for a refrigeration system

Date/App# patent app List of recent Refrigerant-related patents
07/17/14
20140197912
 Heat exchange type cooling apparatus for a transformer patent thumbnailHeat exchange type cooling apparatus for a transformer
Disclosed herein is a heat exchange type cooling apparatus for a transformer, including: an insulating oil circulation pipe configured in a closed circuit form so that an insulating oil filled in the transformer is discharged to the outside and then returns again to the transformer; an insulating oil pump configured to transfer the insulating oil; and an insulating oil cooling system configured to cool the insulating oil, wherein the insulating oil cooling system includes: a liquid refrigerant maintained in a liquid state during the entire circulation cycle; a refrigerant circulation pipe configured to circulate the liquid refrigerant; a refrigerant pump configured to transfer the liquid refrigerant; and a heat exchanging part configured to heat-exchange the liquid refrigerant and the insulating oil with each other to cool the insulating oil.. .
07/17/14
20140196880
 Apparatus and method for controlling a greenhouse environment patent thumbnailApparatus and method for controlling a greenhouse environment
Apparatus for controlling an environment in a green-house, the apparatus comprising: first and second heat exchangers, each comprising a radiator and a fan system for driving air through the radiator; a first refrigerant circulation system that circulates a refrigerant fluid between and through the radiators; a heater controllable to heat the refrigerant; a controller that controls the apparatus to operate selectively in a maintenance mode or a flush mode, wherein in the maintenance mode the heater heats the refrigerant and the first and second fan systems drive air from outside to inside the greenhouse and through the radiators to acquire heat from the refrigerant, and in the flush mode the first fan system vents air from inside to outside the greenhouse through its respective radiator to deposit heat in the refrigerant and the second fan system drives air from outside to inside the greenhouse and through its respective radiator to acquire the heat deposited in the refrigerant.. .
07/17/14
20140196499
 Stripper overhead heat integration system for reduction of energy consumption patent thumbnailStripper overhead heat integration system for reduction of energy consumption
A stripper heat integration system includes a first heat exchanger; a second heat exchanger; and a refrigerant loop comprising a refrigerant and configured for flow of the refrigerant therein. The refrigerant loop is in communication with the first heat exchanger and the second heat exchanger.
07/17/14
20140196497
 Energy recovery apparatus for a refrigeration system patent thumbnailEnergy recovery apparatus for a refrigeration system
An energy recovery apparatus for use in a refrigeration system, comprises an intake port, a nozzle, a turbine and a discharge port. The intake port is adapted to be in fluid communication with a condenser of a refrigeration system.
07/17/14
20140196496
 Delivery container for temperature sensitive goods patent thumbnailDelivery container for temperature sensitive goods
A delivery container for temperature sensitive goods is provided having sidewalls, a rear wall, top and bottom walls all of a heat insulated construction, an upright access opening opposite the rear wall and a door assembly for selectively closing the access opening. Multiple generally upright cavities are associated with the sidewalls and rear wall.
07/17/14
20140196491
 Compact computer cooling methods and apparatus patent thumbnailCompact computer cooling methods and apparatus
Systems and methods are provided for controlling the temperature of an electronic component of a computer. In one embodiment, a system includes a compressor, a compact cooling block, a condenser, and a controller.
07/17/14
20140196485
 Method for controlling a thermal storage heat pump system patent thumbnailMethod for controlling a thermal storage heat pump system
A thermal storage heat pump system transfers heat to a passenger compartment of a vehicle from at least one of a thermal storage device and ambient air. Heat from the thermal storage device is absorbed by a first coolant flowing through it, and is transferred to a refrigerant via a first heat exchanger.
07/17/14
20140196483
 Heat pump apparatus and method of controlling heat pump apparatus patent thumbnailHeat pump apparatus and method of controlling heat pump apparatus
An air-conditioning apparatus includes a leakage detecting device that detects leakage of the refrigerant circulated through a refrigerant circuit, serving as the primary circuit, from an intermediate heat exchanger into a water circuit, serving as the secondary circuit, and a controller that closes valves arranged on both sides of the intermediate heat exchanger in the water circuit to prevent water containing the refrigerant from flowing beyond the valves when the leakage detecting device detects the leakage.. .
07/17/14
20140196480
 Vehicle air-conditioning apparatus updating method and vehicle air-conditioning apparatus patent thumbnailVehicle air-conditioning apparatus updating method and vehicle air-conditioning apparatus
A first air-conditioning apparatus disposed in a frame mounted on a vehicle is updated to a second air-conditioning apparatus is disposed in the frame. A compressor, an outdoor heat exchanger, pressure reducing means, and an indoor heat exchanger of the first air-conditioning apparatus are removed from the frame.
07/10/14
20140193686
 Apparatus for voltage supply patent thumbnailApparatus for voltage supply
An arrangement for supplying power, particularly for supplying power to a motor vehicle, includes a cell module having several storage cells arranged between a first and a second plate-type element. The cell module further includes a plate-type cooling element thermally conductively connected with the bottom sides of the storage cells, and a cooling duct system being provided in the interior of the cooling element.
07/10/14
20140191154
Compositions comprising 1,1,1,2,2-pentafluoropropane and a fluoroolefin and uses thereof
Compositions are disclosed comprising: (a) 1,1,1,2,2-pentafluoropropane; (b) a compound selected from the group consisting of 2,3,3,3-tetrafluoropropene, e-1,3,3,3-tetrafluoropropene, and 1,1,1-trifluoropropene; and optionally (c) a compound selected from the group consisting of 1,1,1,2-tetrafluoroethane and difluoromethane. Such compositions are useful in methods to produce cooling, produce heat, transfer heat, form a foam, produce aerosol products, for recovering heat, and for replacing existing refrigerants.
07/10/14
20140190669
Cooling head and electronic apparatus
A cooling head includes: a first refrigerant flow channel, provided so as to be in contact with an object to be cooled, configured to flow refrigerant; a second refrigerant flow channel configured to flow the refrigerant; and at least one communication hole, provided between both ends of the object to be cooled in the first refrigerant flow channel in a first flow direction of refrigerant in the first refrigerant flow channel, configured to allow the first refrigerant flow channel and the second refrigerant flow channel to communicate with each other.. .
07/10/14
20140190205
Method for liquefying natural gas with a triple closed circuit of coolant gas
A process for liquefying natural gas by; a) causing it to flow through three series connected heat exchangers, where gas is cooled to t3; t3 is less/equal to the liquefaction temperature of natural gas at atmospheric pressure; and b) causing the closed circuit circulation of a first stream of refrigerant gas at a pressure p1 lower than p3 entering the third exchanger and leaving the first exchanger, the first stream obtained using a first expander to expand a first portion of a second stream at p3 higher than p2, the second stream flowing relative to the natural gas stream entering the first exchanger and leaving the second exchanger; and a third stream at a pressure p2 higher than p1 and lower than p3 flowing relative to the first stream, entering the second exchanger and leaving the first exchanger; c) the second stream at the pressure p3 obtained by compression.. .
07/10/14
20140190204
Air conditioning system
A supplementary air conditioning system includes an indoor heat exchanger and an outdoor heat exchanger. The indoor heat exchanger is fanless and includes indoor tubes installed so as to be inclined to a ceiling of a room.
07/10/14
20140190203
Cooling system
A cooling system that cools a heat generating source mounted on a vehicle includes: a compressor that circulates refrigerant; a first heat exchanger that performs heat exchange between the refrigerant and outside air; a decompressor that decompresses the refrigerant; a second heat exchanger that performs heat exchange between the refrigerant and air-conditioning air; and a cooling device that is provided on a path of the refrigerant flowing between the first heat exchanger and the decompressor and that uses the refrigerant to cool the heat generating source. A capillarity generating portion that causes the refrigerant to rise due to capillarity is provided inside the cooling device..
07/10/14
20140190196
Air conditioner
An air conditioner includes a printed circuit board to which a power device is attached; and a refrigerant jacket which is connected to the power device, and through which refrigerant used for a refrigeration cycle flows. The printed circuit board is accommodated in a switch box.
07/10/14
20140190195
Solar energy air conditioning system with storage capability
The invention utilizes concentrated solar energy in a novel air conditioning system which includes storage capabilities. The refrigerant circuit “high” pressure side is comprised of multiple solar concentrators placed between two positive rotary valves.
07/10/14
20140190192
Valve device, in particular for a refrigerating machine
The invention relates to a valve device for a refrigerating machine that circulates a refrigerant, which valve device is provided with at least one condenser and at least one evaporator. The valve device comprises at least one inlet, at which the refrigerant in the condenser can be fed to the valve device, at least three outlets, through which the refrigerant in the valve device can be discharged into the evaporator, and a valve element, which is rotatably arranged about an axis (a) and can be brought into a plurality of positions (s1, s2, s3, s4, s5, s6, s7).
07/10/14
20140190189
Unitary heat pump air conditioner having a compressed vapor diversion loop
Disclosed is a unitary heat pump air conditioner (hpac) system having a refrigerant diversion loop configured to supply sufficient heat to defrost an external heat exchanger while not materially affecting the supply of heat to the passenger compartment of a vehicle. The hpac system includes a refrigerant loop configured to pump heat from a cold coolant loop that scavenges heat from the external heat exchanger to a hot coolant loop that supplies heat to the passenger compartment.
07/03/14
20140186202
Compressor
A compressor is provided that may include a cylinder including an outer cylinder portion, an inner cylinder portion, and a vane portion connected between the outer cylinder portion and the inner cylinder portion, which is fixed to a casing. A rolling piston may be slidably coupled to the vane portion to form an outer compression space and an inner compression space while making a turning movement between the outer cylinder portion and the inner cylinder portion.
07/03/14
20140186201
Compressor
A compressor is provided that may include a cylinder including an outer cylinder portion and an inner cylinder portion, and a vane portion connected between the outer cylinder portion and inner cylinder portion, which is fixed to a casing. A rolling piston may be slidably coupled to the vane portion to form an outer compression space and an inner compression space while making a turning movement between the outer cylinder portion and the inner cylinder portion.
07/03/14
20140183730
Semiconductor device having a liquid cooling module
A semiconductor device comprises a mounting substrate, a semiconductor element provided above said mounting substrate, a package substrate provided above said mounting substrate with said semiconductor element therebetween and electrically connected to said semiconductor element via a primary connecting bump, a liquid cooling module cooling said semiconductor element by a liquid refrigerant, in which a heat receiving section of the liquid cooling module is disposed between said semiconductor element and said mounting substrate, and a plurality of secondary connecting bumps provided between said package substrate and said mounting substrate.. .
07/03/14
20140182684
Refrigerant removal device and method
A refrigerant recovery system includes a recovery apparatus and a refrigerant recovery unit. The recovery apparatus includes a heat sink, a capture tank, and a hose.
07/03/14
20140182330
Evaporator with cool storage function
An evaporator with a cool storage function includes a plurality of flat refrigerant flow tubes and at least one cool storage material container. The at least one cool storage material container includes a container main body and a plurality of convex portions.
07/03/14
20140182329
Air-conditioning apparatus
An air-conditioning apparatus includes a suction-injection pipe that introduces a refrigerant in a liquid or two-phase state into a suction side of a compressor, an expansion device that is arranged at the suction-injection pipe, and a controller that regulates the suction-injection flow rate of a refrigerant introduced into the suction side of the compressor through the suction-injection pipe by controlling the opening degree of the expansion device.. .
07/03/14
20140182320
Air-conditioning apparatus
An air-conditioning apparatus includes: an outdoor unit including a compressor, a first refrigerant flow path switching device, and a heat-source-side heat exchanger; a heat medium relay unit including an intermediate heat exchanger, an expansion device, a second refrigerant flow path switching device, and a pump; and at least one indoor unit including a use-side heat exchanger. The compressor, the first refrigerant flow path switching device, the expansion device, the second refrigerant flow path switching device, and the intermediate heat exchanger are connected using a refrigerant pipe, thereby making up a refrigeration cycle.
07/03/14
20140182314
Ice maker
Disclosed are various embodiments for systems, apparatus, and methods for making ice. According to some embodiments, a refrigerant tube is disposed within an ice formation cell.
07/03/14
20140182312
Method and system for a portable refrigerant recovery unit load controller
A system and methods associated therewith for providing a load controller for a refrigerant recovery unit are disclosed. The load controller can be controlled to operate when the current drawn by the motor increases due to pressure changes caused by abnormal refrigerant flow or during activation of the motor in order to lower the pressure.
06/26/14
20140175315
Flow-adjusting valve
A flow-adjusting valve including a valve base and a valve rod. The valve base has arranged within a valve cavity thereof a valve opening.
06/26/14
20140174703
Heat exchanger
A heat exchanger includes a header, a first flat porous tube, and a second flat porous tube. The header has first and second primary channels, with first and second refrigerants flowing through the first and second primary channels.
06/26/14
20140174123
Air separation method and apparatus
A method and apparatus for separating air in which production of the liquid products can be selectively varied between high and low production rates by varying the pressure ratio across a turboexpander used in imparting refrigeration with the use of a branched flow path. The branched flow path has a system of valves to selectively and gradually introduce a compressed refrigerant air stream into either a booster compressor branch having a booster compressor to increase the pressure ratio during high modes of liquid production or a bypass branch that bypasses the booster compressor to decrease the pressure ratio during low modes of liquid production.
06/26/14
20140174121
Evaporator with cool storage function
An evaporator with a cool storage function includes a plurality of flat refrigerant flow tubes which spaced apart from one another in a thickness direction of the plurality of refrigerant flow tubes to form spaces among the plurality of flat refrigerant flow tubes. The outer fins are disposed in a first part of the spaces and joined to the plurality of refrigerant flow tubes.
06/26/14
20140174120
Evaporator heat exchanger unit
An evaporator heat exchanger unit for a heating cooling module for a motor vehicle is disclosed. In one aspect, the evaporator heat exchanger unit includes at least one collector expansion tank for collecting a refrigerant and one evaporator, by which at least a part of the refrigerant can be converted into gaseous form.
06/26/14
20140174119
Cooling device comprising a pipe retainer
The present invention relates to a cooling device (1) comprising a refrigeration volume (3) wherein the foodstuffs to be cooled are placed, at least one cabinet (2) having an inner wall (4) surrounding the refrigeration volume (3) and an outer wall (5) with heat insulating material injected between itself and the inner wall (4), a compressor (6) providing compression of the refrigerant and circulation pipes (7) that extend at least between the inner wall (4) and the outer wall (5), providing the refrigeration volume (3) to be cooled by circulating the refrigerant leaving the compressor (6) therein.. .
06/26/14
20140174118
Heat pump device, air conditioner, and refrigerating machine
A heat pump device that can efficiently feed a high-frequency current to an electric motor and effectively heat a compressor includes a compressor including a compression mechanism configured to compress a refrigerant and a motor configured to drive the compression mechanism, heat exchangers, an inverter configured to apply a voltage to the motor, and an inverter control unit configured to drive the inverter. The inverter control unit includes a stagnation detecting unit configured to determine whether heating of the compressor is necessary and notify the determination result and a high-frequency-alternating-current-voltage generating unit and a pwm-signal generating unit configured to shift to a heating operation mode when the heating is necessary and, in the heating operation mode, generate pwm signals to provide, based on a heating time carrier signal having two or more frequencies, a period in which a reflux current flows..
06/26/14
20140174114
Refrigerant charge assisting device, air-conditioning apparatus, and refrigerant charge assisting program
Operation data of a refrigerant circuit is acquired after an initial refrigerant charge amount of refrigerant is charged in the refrigerant circuit and operation of the refrigerant circuit is started, an internal volume of a high-pressure pipe 6 is computed from the obtained operation data and the initial refrigerant charge amount input in a input unit 112, a target refrigerant charge amount is computed from the computed internal volume of the high-pressure pipe 6 and a standard operating state acquired in advance, the standard operating state being operation data of the refrigerant circuit when the refrigerant circuit is in a standard operating state that satisfies a preset condition, and an additional refrigerant charge amount is computed from the target refrigerant charge amount and the initial refrigerant charge amount.. .
06/26/14
20140174112
Refrigerant vaporizer
A vaporizer has: an inlet (72); an oil outlet (90; 94); a vent (120); a hot gas inlet (132); and a cooled gas outlet (134). A gas flowpath (130) extends from the hot gas inlet to the cooled gas outlet.
06/26/14
20140174111
Background tank fill based on refrigerant composition
A portable recovery unit for automatically filling a background tank of blended refrigerant includes a main tank for holding recovered refrigerant from a vehicle a/c system which has a first chemical composition, and an auxiliary tank for holding an auxiliary supply of fresh refrigerant which has a second refrigerant composition. The auxiliary tank is arranged in fluid communication with the main tank so that fluid can be transferred from the auxiliary tank to the main tank.
06/26/14
20140174110
Use of r-1233 in liquid chillers
This invention relates to the use of chloro-trifluoropropenes as refrigerants in negative-pressure liquid chillers and methods of replacing an existing refrigerant in a chiller with chloro-trifluoropropenes. The chloro-trifluoropropenes, particularly 1-chloro-3,3,3-trifluoropropene, have high efficiency and unexpectedly high capacity in liquid chiller applications and are useful as more environmentally sustainable refrigerants for such applications, including the replacement of r-123 and r-11..
06/26/14
20140174087
Rankine cycle system
A rankine cycle system includes a refrigerant pump which is mounted on an engine and is configured to feed refrigerant, a heat exchanger which is mounted on the engine and is configured to recover exhaust heat of the engine to the refrigerant, an expander which is mounted on the engine and is configured to convert the exhaust heat recovered to the refrigerant into power by expanding the refrigerant whose temperature has been increased by the heat exchanger, and a condenser which is mounted on a vehicle body and is configured to condense the refrigerant expanded by the expander. The expander and the condenser, and the condenser and the refrigerant pump are connected by flexible pipes having higher flexibility than other pipes..
06/19/14
20140170010
Vane rotary compressor
The present invention relates to a vane rotary compressor in which, while a rotor is rotating, the volume of a compressing chamber is reduced and a fluid such as a refrigerant is compressed. The vane rotary compressor according to one embodiment of the present invention is provided with the compressing chamber, the inner circumferential surface of which is formed in the shape of an involute curve, wherein the rotor is hinge-coupled with a plurality of cantilever vanes such that compression efficiency is high and noise is prevented from occurring during the operation of the compressor..
06/19/14
20140170009
Scroll liquid pump
An orbiting scroll having three sets of wraps is combined on a fixed scroll having three sets of wraps integral to a frame facing each other. The orbiting scroll is adhered on the fixed scroll by the discharge pressure acted to a part of the backside of the orbiting scroll.
06/19/14
20140169998
Sealed compressor
A sealed compressor of the present invention comprises an electric component (105); a compression component (107); and a sealed container (101) accommodating the electric component (105) and the compression component (107); wherein the compression component (107) includes: a cylinder block (115) defining a compression chamber (135); a piston (125); and a valve plate (133) having a suction hole (137) through which a refrigerant gas to be compressed in the interior of the compression chamber (135) flows, and a discharge hole (139) through which the refrigerant gas compressed in the interior of the compression chamber 8135) is discharged; wherein the piston (125) is provided with a projection (155) on a tip end surface (153) which faces the valve plate (133); and wherein the projection (155) is configured such that side surfaces thereof include at least one flat surface and a gradient α of the flat surface with respect to the tip end surface of the piston (125) is smaller than a gradient β of another side surface of the projection (155) with respect to the tip end surface of the piston (125).. .
06/19/14
20140167970
Refrigerant charge level detection
An exemplary embodiment of a refrigerant charge monitoring system includes first and second sensors. The first sensor is operable for sensing temperature of a liquid refrigerant line that is connected to, within, or extending from an outlet of a condenser.
06/19/14
20140166262
Cooling apparatus for casting mold and cooling method for casting mold
A cooling apparatus 1 cools a casting mold k with a refrigerant circulating in a refrigerant passage pipe 2 and comprises an expansion tank 3 for pressurizing the refrigerant to a pressure at which the refrigerant has a set boiling temperature t0 at which the refrigerant boils, a mold cooling section 4 inside the casting mold k for cooling the casting mold k through vaporization heat of the refrigerant boiling, an orifice portion 5 that is formed upstream of the mold cooling section 4, a pump 6 that is attached downstream of the expansion tank 3 and upstream of the orifice portion and pumps out the refrigerant pressurized by the pressurizing unit to the orifice portion, and a heating device 7 attached downstream of the pump 6 and upstream of the orifice portion 5 for heating the refrigerant to a temperature t2 close to the set boiling temperature t0.. .
06/19/14
20140166256
Sub-cooled condenser having a receiver tank with a refrigerant diverter for improved filling efficiency
A sub-cooled condenser for an air conditioning system, having a condenser portion, a sub-cooler portion located below that of the condenser portion, an adjacent receiver tank having a first fluid port in hydraulic connection with the condenser portion and a second fluid port in hydraulic connection with the sub-cooler portion, and a refrigerant diverter assembly disposed in the receiver tank. The refrigerant diverter assembly is configured to divert a refrigerant from the first fluid port to a location beneath the surface level of a refrigerant retained within the receiver tank without impacting the surface level.
06/19/14
20140166250
Cooling module for vehicle
A cooling module for a vehicle may include a radiator that is disposed at a front side of a vehicle and exchanges heat with ambient air to cool coolant that flows therein, a first condenser in which refrigerant flows through a refrigerant pipe and that is disposed in the radiator and exchanges heat with the coolant flowing in the radiator to condense the coolant, and a second condenser that is connected to the first condenser through a refrigerant pipe, the refrigerant that is condensed by the first condenser flowing therein, and is disposed at a front side of the radiator and exchanges heat with ambient air to further condense the refrigerant.. .
06/19/14
20140166242
Cooling system for vehicle
A cooling system for a vehicle that system includes a radiator disposed in a front of the vehicle, and introduced with cooling water thereinto to cool the cooling water through heat exchange with exterior air;. In addition, a first condenser is disposed at a first side of the radiator in a width direction of the vehicle and connected with the radiator via a cooling water pipe to be introduced with the cooling water, and introduced with refrigerant via a refrigerant pipe to condense the refrigerant through heat exchange with the cooling water therein.
06/19/14
20140165647
Evaporator with cool storage function
An evaporator includes a cool storage material container. The cool storage material container contains a cool storage material and is disposed in a second part of the spaces.
06/19/14
20140165646
Oil compensation in a refrigeration circuit
An oil separation device (14) for separating oil from a refrigerant-oil-mixture in a refrigeration cycle (1), the oil separation device (14) comprises a first refrigerant conduit having at least a first portion (16) with a first diameter (d1); a second refrigerant conduit arranged downstream of and connected to the first refrigerant conduit, the second refrigerant conduit having at least a second portion with a second diameter (d2) being smaller than the first diameter (d1); wherein the second portion (18) of the second refrigerant conduit having the second diameter (d2) extends into the first portion (16) of the first refrigerant conduit forming an oil separation pocket (32) between the outer diameter of the second portion (18) and the inner diameter of the first portion (16); and a suction line (20) having an inlet end (19), which opens into the oil separation pocket (32) and is configured to suck oil from the oil separation pocket (32).. .
06/19/14
20140165642
Combined cascade refrigeration cycle apparatus
According to one embodiment, an apparatus includes a housing, two high-temperature-side refrigeration circuits and two low-temperature-side refrigeration circuits. Each of the high-temperature-side refrigeration circuits is configured to exchange heat with both of the two low-temperature-side refrigeration circuits by cascade heat exchangers.
06/19/14
20140165638
Cooling device and electronic device made therewith
A cooling device of the present invention comprises an evaporation unit which contains a refrigerant, a condensation unit which performs heat radiation by condensing and liquefying vapor-phase refrigerant which was vaporized at the evaporation unit, and piping which connects the evaporation unit with the condensation unit; wherein the evaporation unit comprises an evaporation container and a partition wall section which is arranged within the evaporation container and constitutes a flow path of the refrigerant, and the height of the partition wall section is equal to or larger than the height of the vapor-liquid interface of the refrigerant and is smaller than the height of the evaporation container.. .
06/19/14
20140165637
Coupled air-conditioning device
A coupled air-conditioning device including a dehumidification system and a vapor compression-type refrigeration system which are connected through a pipeline. The vapor compression-type refrigeration system is a closed circuit including an evaporator, a compressor, a condenser and an expansion valve.
06/19/14
20140165635
Air-conditioning apparatus
A channel on an upstream side of a third expansion device and a channel on an upstream side of a second expansion device are connected during a heating operation, and medium pressure refrigerant generated by the third expansion device during the heating operation is introduced on a suction side of a compressor via the second expansion device and a suction injection pipe.. .
06/19/14
20140165633
Air compressor
An air compressor system is disclosed that includes a housing sized to enclose an air compressor pump as well as a dryer structured to remove moisture from air that is compressed by the compressor pump. The air compressor pump may be intermittently placed into operation, but the dryer itself is structured in one form to continuously maintain a heat exchanger in a desired temperature range in anticipation of operation of the air compressor pump.
06/19/14
20140165631
Refrigeration compositions, refrigeration systems and methods of making, operating and using the same
One variation may include a product including a mixture including cf3cf═ch2 and a lubricating oil or grease wherein the lubricating oil or grease that reduces eliminates the likelihood that the refrigerant will ignite.. .
06/19/14
20140165628
Air-conditioning apparatus and control method therefor
An order in which parts of a heat source side heat exchanger are defrosted is determined on the basis of the heat exchanger capacity of the parts of the heat source side heat exchanger, the necessary heating capacity of the parts of the heat source side heat exchanger, and the arrangement of the parts of the heat source side heat exchanger, the opening and closing of first flow switching valves, second flow switching valves, and third flow switching valves are controlled accordingly, and a defrosting operation in which a refrigerant discharged from a compressor is caused to flow through the heat source side heat exchanger is performed.. .
06/19/14
20140165627
Method for chilling a building
A method for chilling a building includes the steps of: heating a working solution contained in a solar panel using solar radiation, separating the heated working solution in vapor and a concentrated working solution, condensing the vapor to liquid refrigerant, evaporating the liquid refrigerant, (i) in a building to be chilled or (ii) outside a building to be chilled, wherein the cooling obtained by evaporation is transferred to a cooling liquid outside the building and transported to the building to be chilled for delivery of the cooling, absorbing in an absorber the vapor in the concentrated working solution, and returning the working solution to the first step.. .
06/19/14
20140165626
Use of r-1233 in liquid chillers
This invention relates to the use of chloro-trifluoropropenes as refrigerants in negative-pressure liquid chillers and methods of replacing an existing refrigerant in a chiller with chloro-trifluoropropenes. The chloro-trifluoropropenes, particularly 1-chloro-3,3,3-trifluoropropene, have high efficiency and unexpectedly high capacity in liquid chiller applications and are useful as more environmentally sustainable refrigerants for such applications, including the replacement of r-123 and r-11..
06/19/14
20140165616
Air conditioning system with ice storage
An air conditioning system includes a condenser and an evaporator configured to remove thermal energy from a water flow through the evaporator via a refrigerant flow through the evaporator. A refrigerant conduit is configured to convey a refrigerant flow through the evaporator and the condenser.
06/19/14
20140165567
Engine-waste-heat utilization device
An engine-waste-heat utilization device includes a rankine cycle with a heat exchanger that is configured to recover engine-waste-heat to refrigerant, an expander that is configured to generate power using the refrigerant coming out from the heat exchanger, a condenser that is configured to condense the refrigerant coming out from the expander and a refrigerant pump that is configured to supply the refrigerant coming out from the condenser to the heat exchanger by being driven by the expander, a power transmission mechanism (crank pulley, pump pulley, belt) that is configured to transmit surplus power to the engine when the expander has spare power even if the refrigerant pump is driven, a clutch that is configured to connect and disconnecting power transmission by the power transmission mechanism, and a case provided near a high-temperature part of the engine such that a shaft of the expander and that of the refrigerant pump are coaxially arranged, the clutch, the refrigerant pump and the expander are integrally housed in this order and the expander has a higher temperature than the clutch.. .
06/19/14
20140165562
Engine-waste-heat utilization device
An engine-waste-heat utilization device includes a rankine cycle which includes a heat exchanger through which cooling water coming out from an engine flows to recover waste-heat of the engine to refrigerant, an expander which generates power using the refrigerant coming out from the heat exchanger, a condenser which condenses the refrigerant coming out from the expander and a refrigerant pump which supplies the refrigerant coming out from the condenser to the heat exchanger, and a cooling water passage in which the cooling water having a higher temperature flows when the rankine cycle is operated than when the rankine cycle is not operated.. .
06/12/14
20140163538
Refrigerant supply system for cryotherapy including refrigerant recompression and associated devices, systems, and methods
Cryotherapeutic systems configured for refrigerant recompression and associated devices, systems, and methods are disclosed herein. A cryotherapeutic system configured in accordance with a particular embodiment includes a high-pressure line, a low-pressure line, a recompression unit, and a cryo-catheter.
06/12/14
20140158930
Refrigerant composition
A refrigerant composition consists essentially of three hydrofluorocarbon components selected from hfc134a, hfc125 and hfc143a and an additive selected from a saturated or unsaturated hydrocarbon or mixture thereof boiling in the range −50° c. And +40° c..
06/12/14
20140158332
Heat exchanger
The invention is directed to a heat exchanger which optimizes the heat exchanger capacity, including a first manifold and a second manifold. A fluid drawing device is provided in the second manifold.
06/12/14
20140158322
Air conditioning system for controlling the temperature of components and of an interior of a motor vehicle
The invention relates to an air conditioning system for controlling the temperature of components and of the interior of a motor vehicle, comprising a first water pump (c.3) that drives a first coolant circuit (100), a second water pump (c.4) that drives a second coolant circuit (200), a compressor (a.1) that drives a refrigerant circuit (300) that has a high-pressure side and a low-pressure side, an air-water heat exchanger (c.5) connected to the first coolant circuit (100) on the water side and arranged upstream from the interior on the air side, a first refrigerant-coolant heat exchanger (a.2) connected to the refrigerant circuit (300) on the refrigerant side and arranged upstream from the air-water heat exchanger (c.5) on the water side, and a second refrigerant-coolant heat exchanger (a.10) connected to the refrigerant circuit (300) on the refrigerant side and located downstream from the potential heat sources on the water side.. .
06/12/14
20140157824
Method for improved thermal performing refrigeration cycle
An improved refrigeration cycle is provided. The cycle provides for improved thermal performance by incorporating a refrigerant makeup tank that introduces liquid refrigerant with expanded refrigerant upstream of the heat exchanger, thereby providing a savings in either electricity costs or refrigerant..
06/12/14
20140157822
Thermal performing refrigeration cycle
An improved refrigeration cycle is provided. The cycle provides for improved thermal performance by incorporating a refrigerant makeup tank that introduces liquid refrigerant with expanded refrigerant upstream of the heat exchanger, thereby providing a savings in either electricity costs or refrigerant..
06/12/14
20140157821
Receiver tank purge in vapor compression cooling system with pumped refrigerant economization
A cooling system includes a cooling circuit having an evaporator, a condenser, a compressor, an expansion device, a liquid pump, and a receiver/surge tank coupled between the condenser and the liquid pump. The cooling system has a direct expansion mode and a pumped refrigerant economizer mode.
06/12/14
20140157820
Compressor apparatus and refrigerator apparatus
A compressor apparatus for supplying a compressed refrigerant to a cryogenic refrigerator is disclosed that includes a heat exchanger group that includes a first heat exchanger and a second heat exchanger whose heat exchanging amount is greater than the first heat exchanger; and an axial-flow fan that cools the heat exchanger group. The first heat exchanger is disposed closer to a rotational axis of the axial-flow fan with respect to the second heat exchanger..
06/12/14
20140157816
Return fuel cooling system for lpi vehicle
A return fuel cooling system for an lpi vehicle includes: an engine radiator, a cooling fan blowing wind to the engine radiator, and a first reservoir tank connected with the radiator through a first cooling line, and cooling an lpi engine; a fuel cooling radiator at the front end of the engine radiator, a second reservoir tank connected with the fuel cooling radiator through a second cooling line, and a water pump on the second cooling line to circulate cooling fluid, and circulating the cooling fluid to an air-conditioner to cool the refrigerant; and a fuel cooler connected with the second cooling line between the fuel cooling radiator and the water pump such that cooling fluid passing through the air-conditioner is circulated in the fuel cooler and connected with the lpi engine and the bombe through a fuel return line.. .
06/12/14
20140157813
Temperature control system
A temperature control system of the invention recovers reaction heat in a reactor in which an exothermal reaction occurs, to control the temperature in the reactor. The temperature control system includes: a refrigerant drum in which vapor and a liquid refrigerant are stored in a vapor-liquid equilibrium state; a heat removing section arranged in the reactor to evaporate a part of the liquid refrigerant supplied from the refrigerant drum by the reaction heat; a return line that returns mixed phase fluid of vapor and the liquid refrigerant generated in the heat removing section to the refrigerant drum; a vapor outlet line that supplies vapor in the refrigerant drum to outside of the system; and a replenishing line that supplies makeup water in an amount matched with an amount of vapor discharged to the outside of the system, to the return line..
06/12/14
20140157811
Refrigeration cycle device
In a refrigeration cycle device, a design volume ratio, obtained by dividing a stroke volume of a sub-compressor by a stroke volume of an expander, is set to be smaller than (de/dc)×he−hf)/(hb−ha). With an operating efficiency being the maximum in an operating range allowed to be set of the refrigeration cycle device, de is a density of a refrigerant, which has flowed out from a radiator, dc is a density of the refrigerant, which has flowed out from an evaporator, he is a specific enthalpy of the refrigerant flowing into the expander, hf is a specific enthalpy of the refrigerant, which has flowed out from the expander, ha is a specific enthalpy of the refrigerant sucked by a main compressor, and hb is a specific enthalpy of the refrigerant at an intermediate position of a compression process of the main compressor..
06/12/14
20140157808
Refrigeration system controlled by refrigerant quality within evaporator
A system for cooling a refrigerant includes (a) an evaporator comprising one or more lengths of tubing each having an upstream first cross-sectional area and a second downstream cross-sectional area, the second cross-sectional area being greater than the first cross-sectional area, the expansion in cross-sectional area between the first circular cross-sectional area and the second circular cross-sectional area being smooth and continuous; and (b) a compressor and a condenser for converting the refrigerant from a gas to a liquid for introduction into the evaporator.. .
06/12/14
20140157805
Refrigerator having a dew prevention and/or control device and method for preventing formation of dew therein and/or thereon
A refrigerator having a dew prevention and/or control device and a method for preventing the formation of dew in and/or on the refrigerator includes a compressor adapted to compress a refrigerant, a condenser adapted to condense the refrigerant from the compressor, an evaporator adapted to cool air existing therearound by evaporating the refrigerant that passes through the condenser, a pipe between the condenser and the evaporator, configured to pass through the refrigerator body, humidity sensors and/or detectors configured to determine a humidity around the refrigerator, and a controller adapted to vary rotational speed of the fan in accordance with the humidity determined by the humidity sensors and/or detectors, thereby efficiently preventing the formation of dew on or in the refrigerator.. .
06/12/14
20140157801
Condenser evaporator system (ces) for decentralized condenser refrigeration
A condenser evaporator system includes: a condenser constructed for condensing a gaseous refrigerant from the source of compressed gaseous refrigerant; a controlled pressure receiver for holding liquid refrigerant; a first liquid refrigerant feed line for conveying liquid refrigerant from the condenser to the controlled pressure receiver; an evaporator for evaporating liquid refrigerant; and a second liquid refrigerant feed line for conveying liquid refrigerant from the controlled pressure receiver to the evaporator. The condenser evaporator system can be provided as multiple condenser evaporator systems operating from a source of compressed gaseous refrigerant..
06/12/14
20140157797
Process to control the payload temperature of a shipping container in transit
A process with associated methods keeps the internal temperature of a cargo container within a temperature range during long transits having unpredictable high ambient temperatures. A cargo payload is shipped inside of an insulated container.
06/12/14
20140157793
Novel magnetic refrigerant materials
A novel magneto caloric material (mcm) is provided that can be used in, for example, a regenerator of a heat pump, appliance, air conditioning system, and other heating and/or cooling devices. The mcm is a type of heusler alloy, has an l21 crystal structural prototype, and can undergo a reversible phase transformation between a low temperature, low magnetization martensite phase and a high temperature, high magnetization austenite phase to exhibit an inverse magneto caloric effect upon application of a sufficient magnetic field.


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Refrigerant topics: Refrigerant, Heat Exchanger, Evaporator, Control Unit, Air Conditioning, Phase Change Material, Condensation, Phase Change Materials, Contraction, Automotive, Bladeless Turbine, Air Conditioner, Calculator, Magnetic Refrigeration, Global Warming

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