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WO/2002/039033A1 |
The invention concerns a heat energy recovery system consisting of an external reversible exchanger (EA), a single compressor or at least two compressors one of which is a main compressor (CP) and at least a secondary compressor (CS) use...
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WO/2002/039025A1 |
An air conditioner, comprising a refrigerant circuit (15) having an outdoor unit (11) and two indoor units (12, 13) connected to each other, wherein the air conditioning capacity of the outdoor unit (11) is controlled so that the tempera...
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WO/2002/025186A1 |
Disclosed herein is heating apparatus with low compression load, which is capable of diminishing the compression load of the compressure by lowering the temperature of refrigerant which flows toward the compressor. The air-conditioning a...
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WO/2002/025185A1 |
Disclosed herein is low compression load type air-conditioning system, which is capable of diminishing the compression load of the compressure by lowering the temperature of refrigerant which flows toward the compressor. The air-conditio...
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WO/2002/023100A1 |
A multiple refrigerating device capable of saving an energy and preventing global warming through the achievement of a high coefficient of performance (COP) by using R32 as a refrigerant, wherein R32 as the refrigerant is circulated thro...
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WO/2002/023095A1 |
An air conditioner having a humidifying unit capable of maintaining a humidifying amount by properly maintaining the temperature of the humidifying air flowing from the humidifying unit to an indoor unit side so as to reduce the diameter...
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WO/2002/018854A1 |
Method for defrosting of a heat exchanger (evaporator) in a vapor compression system including, beyond a heat exchanger (evaporator) (3) to be defrosted, at least a compressor (1), a second heat exchanger (condenser/heat rejecter) (2) an...
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WO/2002/018848A1 |
Reversible vapor compression system including a compressor (1), an interior heat exchanger (2), an expansion device (6) and an exterior heat exchanger (3) connected by means of conduits in an operable relationship to form an integral mai...
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WO/2002/016840A1 |
An oil separator, comprising a shell (50) having a cylindrical portion and a downwardly convergent tapered portion formed integrally with the cylindrical portion at the lower part thereof, an outflow tube (51) inserted into the shell fro...
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WO/2002/008674A1 |
A refrigerant circuit, comprising a bypass circuit bypassing a fluid pipe side pipe (131) and a gas pipe side pipe (132) having, thereon, a receiver (121) for recovering fluid refrigerant, a fluid pipe motor-operated valve (128) installe...
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WO/2002/006738A1 |
A refrigerant circuit of an air conditioner, comprising a refrigerant circuit on an outdoor unit side having an accumulator (105), a compressor (101), a four-way selector valve (102), and an outdoor heat exchanger (103) disposed in an ou...
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WO/2001/096794A1 |
Conditioned space (P) is connected to main ventilation duct (KG) and auxiliary ducts (K1, K2) also connected to the main duct. Duct (K1) is connected via first heat exchanger (W1), and duct (K2) is connected via second heat exchanger (W2...
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WO/2001/084064A1 |
A method for refrigerant and oil collecting operation capable of assuring the cleanliness of the inside of an existing communication pipe at a low cost and installing, at a low cost, a new air conditioner, comprising a compressor (1), a ...
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WO/2001/081834A1 |
A branch unit for air conditioners which makes it possible to provide a connection between the outdoor unit of a multiple type or pair type air conditioner and one or more members optionally selected from the group consisting of the indo...
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WO/2001/079766A1 |
A refrigerator, comprising a refrigerating circuit (10) formed by connecting a compressor (11), a four-way valve (12), an outdoor heat exchanger (13), an expansion valve (14), and an indoor heat exchanger (15) in that order through gas s...
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WO/2001/079767A1 |
A refrigerator, comprising a refrigerating circuit (10) formed by connecting a compressor (11), a four-way valve (12), an outdoor heat exchanger (13), an expansion valve (14), and an indoor heat exchanger (15) in that order through gas s...
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WO/2001/075372A1 |
A multiple type air conditioner which can be used irrespective of variations in input voltage and which is intended to make parts usable in common. It is also intended to increase air conditioning efficiency to achieve energy saving. To ...
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WO/2001/053757A1 |
An oil holding tank (40) is communicated to the case (10c) of the compressor (10). Part of the refrigerant discharged from the compressor (10) is introduced into the oil holding tank (40) so that the lubrication oil (L) is allowed to flo...
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WO/2001/049515A1 |
A car air conditioner having a high COP, low GWP, and high reliability, wherein a simple refrigerant R32 is charged into a refrigerant circuit 1 of the car air conditioner, the simple refrigerant R32 being high in COP and low in GWP but ...
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WO/2001/048125A1 |
A hydraulic fluid which is less apt to clog a vacuum mechanism even when an HFC refrigerant is used; and a refrigerating apparatus. A refrigerating circuit (1) is filled with the hydraulic fluid comprising an HFC refrigerant comprising a...
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WO/2001/048124A1 |
A hydraulic fluid which is less apt to clog a vacuum mechanism even when an HFC refrigerant is used; and a refrigerating apparatus. A refrigerating circuit (1) is filled with the hydraulic fluid comprising an HFC refrigerant comprising a...
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WO/2001/048126A1 |
A hydraulic medium is used which comprises a combination of an R32 refrigerant or a mixed refrigerant comprising at least 70 wt. % R32 with a polyvinyl ether oil having a viscosity at 40°C of 46 to 82 cSt. The refrigerating apparatus em...
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WO/2001/048428A1 |
An energy-saving type refrigerating device capable of preventing global warming, allowing the size of a heat exchanger to be reduced more than before while a performance coefficient COP higher than before is obtained using, as a refriger...
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WO/2001/048427A1 |
An energy-saving type refrigerating device capable of preventing global warming, allowing a communication pipe diameter to be reduced and the number of types of the communication pipe diameters to be reduced while a COP of over the COP o...
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WO/2001/040004A1 |
An air conditioning system (100) for the passenger compartment of a motor vehicle comprising an outside heat exchanger (116); a first heat exchanger (112) for cooling air entering the passenger compartment; a second heat exchanger (114) ...
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WO/2001/038801A1 |
A refrigerating device provided with a refrigerating circuit (12) for effecting a steam compression type refrigerating cycle by means of a non-azeotropic mixed refrigerant, wherein a storage unit (43) for allowing a liquid refrigerant to...
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WO/2001/033146A1 |
An air conditioner (1), comprising an indoor heat exchanger (5) having a first heat exchanger (10) and a second heat exchanger (11) connected, in series, to each other, and a decompressing mechanism (12) provided between the heat exchang...
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WO/2001/029489A1 |
A refrigerating device, comprising a refrigerating circuit having a compressor (1), an indoor heat exchanger (3), a main motor-driven valve (EV1), and an indoor heat exchanger (5) connected annularly to each other, wherein an R32 refrige...
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WO/2001/029490A1 |
A refrigerating device, comprising a refrigerating circuit having a compressor (23), a condenser (22), expansion means (26), and an evaporator (2), wherein a refrigerating cycle is performed by circulating R32 as a refrigerant, the filli...
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WO/2001/015922A1 |
An air conditioner for vehicle having heat pump cycle which is capable of selectively increasing a heating performance on the front and rear seat sides of a vehicle, comprising a front air conditioner unit and a rear air conditioner unit...
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WO/2001/006186A1 |
Direct-acting motor-driven expansion valve selection means, comprising a compressor (121), an outdoor heat exchanger (123), a direct-acting motor-driven expansion valve (Z), and an indoor heat exchanger (131), a coefficient of friction (...
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WO/2001/002783A1 |
This invention relates to a multi-function thermodynamic device comprising a compressor, an evaporator, a condensor and an expansion valve. The evaporator and condensor are formed by at least a set of heat exchangers. A conversion valve ...
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WO/2000/064693A1 |
A heat pump type air conditioner for vehicle capable of increasing a comfortableness in a cabin by minimizing a defrosting operation during a heating operation, comprising an indoor heat exchanger (10) performing a heat exchange between ...
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WO/2000/055551A1 |
An air conditioner comprising a bypass path (14) for connecting the suction side of a compressor (1) to a liquid receiver (5) and a control valve (11) to close the bypass path (14) when a refrigerating cycle path is open and to open it w...
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WO/2000/052398A1 |
A refrigerating circuit (10), comprising a compressor (11), a four-way switching valve (12), an outdoor heat exchanger (13), an expansion valve (14), and an indoor heat exchanger (15) connected in order to each other, wherein an R32 is f...
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WO/2000/052397A1 |
A refrigerating circuit (10), comprising a compressor (11), a four-way switching valve (12), an outdoor heat exchanger (13), an expansion valve (14), and an indoor heat exchanger (15) connected in order to each other through gas side pip...
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WO/2000/052396A1 |
A refrigerating device, wherein a compressor (11), a four-way switching valve (12), an outdoor heat exchanger (13), an expansion valve (14), and an indoor heat exchanger (15) are connected in order through gas side pipes (31) and liquid ...
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WO/2000/049346A1 |
A refrigerant supercooling circuit comprising a receiver (5) for retention of a liquid-phase refrigerant installed in a refrigerant line (23) connecting a first expansion valve (45) and a plurality of second expansion valves (71), an ext...
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WO/2000/039510A1 |
A refrigerating device which comprises a first refrigerating circuit (1) for a refrigerating system (6A) constructed for operation on a two-stage refrigerant cycle by connecting a high temperature refrigerant circuit (3) and a low temper...
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WO/2000/036347A1 |
A bridge circuit (11) with four check valves (31, 32, 33, 34) is provided upstream from a receiver (10) upstream from an electric expansion valve (7). A vent pipe (12) provided with a vent valve (13) connects the receiver (10) and a pipe...
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WO/2000/033002A1 |
A refrigerator, comprising a refrigeration circuit (1R) in which a first refrigerant path (20) having a first compressor (21) and an outdoor heat exchanger (23), a second refrigerant path (30) having a second compressor (31) and a heat e...
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WO/2000/032994A1 |
The invention relates to a ventilation arrangement for buildings with heat removal from an exhaust air flow (L¿Ab?) discharged from the building and/or from a fresh air flow (L¿Zu?) supplied to the building. Said arrangement comprises ...
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WO/2000/019155A1 |
A refrigerator, comprising a low stage side refrigerant circuit (2) formed by connecting in order a low stage side compressor (4), a cascade condenser (5), a low stage side receiver (6), a low stage side expansion valve (7) formed of a t...
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WO/2000/019157A1 |
A high-temperature refrigerating circuit (20) and a first low-temperature refrigerating circuit have their refrigerant circulation direction made reversible. The receiver (25) of the high-temperature refrigerating circuit (20) comprises ...
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WO/2000/011418A1 |
A gas-liquid separator (16), wherein a liquid outlet pipe (18) is provided with restrictions (30, 31) and refrigerant is led into a first heat exchanger (101) or a second heat exchanger (106) acting as an evaporator through the restricte...
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WO/2000/010824A1 |
An air conditioner for vehicle capable of preventing an outdoor heat exchanger of a heat pump air conditioner from frosting and improving heating function by the effective use of heat from engine coolant, comprising a judgment means to j...
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WO/2000/011417A1 |
A double-tube type heat exchanger (1) capable of forming a compact and inexpensive gas injection circuit and an over-cooling circuit, wherein a restriction hole (6) through which refrigerant led into an outer tube (3) is led into an inne...
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WO/2000/005542A1 |
A refrigerating device, comprising a heat source side refrigerant circuit (70) having a plurality of refrigerant heat exchangers (50, 60) and a plurality of user side refrigerant circuits (11, 21), wherein a high-pressure gas pipe (LG-H)...
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WO/1999/061849A1 |
A geothermal heating and/or cooling system includes a subterranean heat exchanger (1) having tubes (5) disposed against a conductive sheet (9). The system also preferably includes a reservoir vessel (55) for holding a supply of heat tran...
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WO/1999/053247A1 |
In a refrigeration system (10), a multiple compressor system for maintaining the heat output constant while the outside ambient temperature continues to decrease. The present invention comprises a primary compressor (31) and at least one...
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