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Patent Searching and Data


Matches 451 - 500 out of 1,954

Document Document Title
WO/2002/001123A1
The invention describes a flexible heat exchanger (12) that provides both a direct connection between a cold stage (11) and a compressor module (10) of a refrigeration system (100) and counter-flow heat exchange along the entire connecti...  
WO/2001/098719A1
A system for providing liquid refrigerant subcooling (10) or hot gas discharge refrigerant precooling (11), or both, by means of utilizing cold harvest and/or melt water discharge from the ice maker is provided. Also, a means of downsizi...  
WO/2001/094858A1
An outdoor unit includes a pulse width modulation compressor, an outdoor heat exchanger. First and second outdoor fans are positioned near to the outdoor heat exchanger. The operation modes of the first and second outdoor fans are determ...  
WO/2001/092792A1
Heating/defrost construction of very low temperature refrigeration system (100) having a defrost supply circuit (176, 178, 180) and a defrost return bypass circuit (186, 188, 190) optimizing the heating/defrost cycle, preventing overload...  
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...  
WO/2001/079772A1
A refrigerator with at least one medium/low temperature freezing compartment (14) and a compression refrigeration system with a thermal storage, and a method of operating the refrigeration system with a thermal storage are provided. The ...  
WO/2001/075380A1
A cascade refrigeration system (10) is provided. The cascade refrigeration system includes a low stage (12) having a first refrigerant flowing therethrough and a high stage (14) having a second refrigerant flowing therethrough. The low s...  
WO/2001/073360A1
The regulator is a refrigerant regulator intended for heatpumps and refrigerators. It has a built-in receiver, which automatically absorbs redundant refrigerant. It is a hermetic closed device without removable parts. It is robust and th...  
WO2000020809A9
First, a system for providing liquid refrigerant subcooling (10), subsequent to the subcooling accomplished by the primary condenser of an air conditioner, refrigeration or heat pump system, by means of evaporative cooling utilizing the ...  
WO/2001/063187A1
A refrigeration system comprises a compressor (102) for increasing a temperature and a pressure of a refrigerant vapor, a condenser (104) fluidly coupled to the compressor for condensing the refrigerant vapor, an expansion device (108) f...  
WO/2001/063185A1
A refrigerating cycle including a compressor, a radiator, an expander, an evaporator, and an internal heat exchanger for heat exchange between a refrigerant flowing out of the evaporator and the refrigerant in the supercritical zone, the...  
WO/2001/057454A1
Refrigerating apparatus comprising a compressor (1), a condenser (2), a receiver (2a), a controllable-throttling element (5), an evaporator (3), connecting tubes (10, 11, 12, 13) and also an internal regenerative heat exchanger (8), buil...  
WO/2001/055647A1
An air-conditioner (1) with heat recovery comprises, in a position between the compressor (3) and the condenser (6) of the coolant circuit, a heat exchanger (5) provided for producing hot water at the expense of the coolant fluid output ...  
WO/2001/051864A1
In a vapor compression refrigerator with closed loop feedback (EEV) of evaporator superheat, a superheat stabilizer (SS) consisting of a cavity (SS) connected between the evaporator outlet and the suction line inlet, the cavity (SS) comb...  
WO/2001/046629A1
A passive desuperheater for a vapor compression refrigeration system is disclosed. The passive desuperheater (11) includes a chamber (75) having two inlets (6,12) and an outlet (65), the first inlet (6) for introducing superheated gas in...  
WO/2001/038799A1
A heat pump with high coefficient of performance and a dehumidifying device with small energy consumption for each dehumidifying amount, comprising a booster (260) boosting refrigerant, a condenser (220) condensing the refrigerant and he...  
WO/2001/025699A1
A refrigerating cycle capable of sealing most portions on a high pressure side at a low load so as to increase a responsiveness to a high pressure, wherein the volume of an evaporator is set larger than that of a high pressure line so as...  
WO/2001/022009A1
A multi-stage compression refrigerating device, wherein refrigerant delivered from a condenser (1) is divided so as to feed one refrigerant from first decompression means (3) to a first intermediate cooler (6) and the other refrigerant f...  
WO/2001/022011A1
A heat pump system (6) for raising the temperature of a fluid comprises: a compressor (7) for compressing a working fluid; a desuperheater heat exchanger (8) provided with an inlet (9) and outlet (10) for a fluid to be heated and an inle...  
WO/2001/022008A1
A multi-stage compression refrigerating device, comprising low stage compression means (32) and high stage compression means (34), a condenser (1), first decompression means (3), an intermediate cooler (6), second decompression means (7)...  
WO/2001/022012A1
The invention relates to an air conditioning unit with a coolant circuit which consists of a compressor, an evaporator, a collector located at the low pressure side between the evaporator and the compressor and an inner heat transfer uni...  
WO2000020809A8
First, a system for providing liquid refrigerant subcooling (10), subsequent to the subcooling accomplished by the primary condenser of an air conditioner, refrigeration or heat pump system, by means of evaporative cooling utilizing the ...  
WO/2001/006182A1
A refrigerating cycle, comprising an inlet side passage (11) communicating an expansion device (5) with a radiator side, an outlet side passage (12) communicating with an evaporator side, a valve seat (16) provided between the inlet side...  
WO/2001/006183A1
A refrigerating cycle using a refrigerant having a low critical point such as CO¿2?, wherein first and second valve discs (23, 27) making a communication state vary between an inlet side passage part (11) and an outlet side passage part...  
WO/2001/001051A1
A refrigerant condenser which comprises a core (10) including a number of parellel tubes (11), and headers (20, 30) attached to both sides of the core (10). The refrigerant condenser further comprises a tank (50) attached to the header (...  
WO/2000/068621A1
A refrigerating cycle using carbon dioxide as a refrigerant, wherein, when a high-pressure side refrigerant pressure is near a critical point, the degree of undercooling is set at approx. 15°C and, as it lowers from near the critical po...  
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...  
WO/2000/049345A1
The invention is embodied in a refrigeration unit (R) adapted for use in combination with plural associated refrigerated fixtures (33a, 33b, 33c) in a commercial store, each fixture having a product zone and heat transfer cooling means (...  
WO/2000/046558A1
The invention relates to an integrated collector-heat transfer unit, comprising a collector housing (1) in which a collector chamber (2) and a heat transfer unit having two separate heat transfer channels (5, 6) are located, said channel...  
WO/2000/036344A1
A modular versatile heat pump system for drying and air-conditioning is disclosed. The refrigerating components of the heat pump, comprising the compressor (40a), condenser (41), evaporators (45, 52) and expansion valves, are housed in a...  
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 ...  
WO/2000/031479A1
An expansion device having an integrally incorporated mechanism that can prevent an abnormal rise in a high pressure of a refrigeration cycle and can also deal with abnormal increases in the high pressure and a low pressure. A displaceme...  
WO/2000/025071A1
The invention relates to a method and several embodiments of a condenser for condensing to a saturated state and subsequently supercooling the coolant of a motor vehicle air conditioning. The route of the coolant is split into at least t...  
WO/2000/023752A1
A refrigerating cycle wherein the pressure of a high pressure line (8) is lowered when the pressure is abnormally high by transmitting the high pressure to the low pressure line (9) without releasing the coolant to the atmosphere, and th...  
WO/2000/020809A1
First, a system for providing liquid refrigerant subcooling (10), subsequent to the subcooling accomplished by the primary condenser of an air conditioner, refrigeration or heat pump system, by means of evaporative cooling utilizing the ...  
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...  
WO/2000/003882A1
A CO¿2?-operated air conditioning system for a motor vehicle, whereby the individual components (10, 11, 12, 13, 14, 15) are configured or adapted to each other in such a way that whenever high pressures diverge from optimum high pressu...  
WO1999055544A3
The invention relates to a vehicle air conditioning system having a coolant circuit (12) comprised of at least one condenser (14), one expansion organ (16), one evaporator (18), and one compressor (20). The inventive air conditioning sys...  
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...  
WO/1999/058908A1
A heat exchanger (1), wherein both end parts of tubes (4), which are overlapped one upon another with fins (5) provided therebetween, are connected communicably to a pair of header pipes (6 and 7), a heat exchange medium flows through th...  
WO/1999/058905A1
The invention relates to a method for producing cold in the temperature range between 65 and 150 degrees Kelvin. The invention also relates to a device which comprises an oil-lubricated compressor (1) for compressing a coolant, a seconda...  
WO/1999/055544A2
The invention relates to a vehicle air conditioning system having a coolant circuit (12) comprised of at least one condenser (14), one expansion organ (16), one evaporator (18), and one compressor (20). The inventive air conditioning sys...  
WO/1999/054672A1
The invention concerns an air conditioning condenser (2) for a motor vehicle passenger compartment comprising a reservoir (2b) mounted on a base (30). The reservoir (2b) is axially screwed in the base (30), itself soldered on a manifold ...  
WO/1999/034156A1
A refrigerating cycle, wherein supercritical fluid is used as refrigerant and an internal heat exchanger is installed for heat-exchanging refrigerant between the outlet side of a gas cooler and the inlet side of a compressor, having a re...  
WO/1999/026028A1
A refrigerating apparatus comprising a supercooling circuit (8) having a supercooling heat exchanger (15) provided between a condenser (3) and a main expansion mechanism (9), and an injection circuit (10) for injecting into an intermedia...  
WO/1999/020958A1
Method for operating a refrigeration system (20) by means of a refrigerant circuit, in which to condensate the refrigerant in said circuit a cooling water circuit is used, incorporating an evaporative condenser (6), evaporation losses fr...  
WO/1999/017064A1
An improvement for a refrigeration system that includes a refrigerant circuit and a compressor with condenser assembly (40). The improvement is a pre-cooling device (10) connected to the output of the condenser (40) and includes an inlet...  
WO/1999/015841A1
An air conditioner in which an outdoor unit (24) having a compressor (1) and an outdoor heat exchanger (2) and a plurality of indoor units (25) each having an indoor heat exchanger (4) and an expansion valve (3) are connected through a g...  
WO/1999/015093A1
A cryosurgical system comprises a compressor unit (14), and a probe assembly (12). A secondary refrigerant stream from the compressor unit (14) pre-cools a heat exchanger (26) within the probe assembly (12) in a standby mode of operation...  
WO/1999/013277A1
A refrigeration system has a compressor (10), a condenser (11), a capillary flow control (12) and an evaporator (13). A variable sub-cooling device (15) extracts heat from the refrigerant at a region at or just prior to the capillary flo...  

Matches 451 - 500 out of 1,954