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WO2003038278A9 |
A multiple hermetic compressor assembly comprising a first compressor (12) and an adjacent, second compressor (13) interconnected by a hot gas pressure discharge manifold (16), a suction gas pressure equalization manifold (15), a suction...
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WO2002092169A9 |
According to the invention, methods and devices for increasing cardiopulmonary circulation induced by chest compression and decompression when performing cardiopulmonary resuscitation are provided. According to one method, a pressure res...
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WO/2004/027324A2 |
Disclosed is a very low temperature or cryogenic refrigeration system with a scroll compressor and utilizing a mixed refrigerant that decreases refrigerant discharge temperature by refrigerant injection into the compressor.
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WO/2004/001304A1 |
An engine heat pump, comprising a main compressor (2) driven by an engine, an indoor heat exchanger (8), an outdoor heat exchanger (5), an expansion valve (23) for the indoor heat exchanger, an expansion valve (21) for the outdoor heat e...
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WO/2003/104723A1 |
The invention provides an oil equalizing circuit for a freezing device having a plurality of compression mechanisms, which oil equalizing circuit is capable of improving the reliability of the feeding of oil to each compression mechanism...
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WO/2003/100328A1 |
Compression mechanisms (11) of a refrigerator having the plurality of compression mechanisms, comprising first, second, and third compressors (21, 22, and 23), a refrigerant suction main pipe (24), first, second, and third branched sucti...
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WO/2003/100329A1 |
A supercritical refrigeration cycle wherein CO2 is used as a coolant and the pressure at the high pressure side is higher than the critical point of the coolant, characterized in that a part of an lubricating oil is circulated together w...
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WO/2003/095908A1 |
The present invention relates to a method in connection with a refrigeration apparatus (1), wherein a circulating medium is circulated in a pipework (5a, 5b, 5c, 5d) by a compressor (2). The circulating medium is liquefied in a condenser...
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WO/2003/091638A1 |
A variable capacity refrigeration system which does not require a costly inverter compressor and does not exhibit low energy efficiency at high capacity. The system employs a constant speed compressor that operates continuously when the ...
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WO/2003/085332A1 |
A refrigerator, comprising an expansion mechanism having a thermosensitive expansion valve (46), wherein an open/close valve (7a) installed on the upstream side of an evaporator (45) is temporarily closed to forcibly overheat the outlet ...
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WO/2003/085334A1 |
A multi-coupled heat pump system comprises a plurality of high-pressure cavity compressors with varying or unvarying frequency, improved oil supply device in parallel for the compressors and improved pre-vaporizing defrosting device. The...
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WO/2003/083380A1 |
Refrigerating equipment so formed that gas refrigerant is filled into the suction tubes (10a, 10b) of compressors (2A, 2B) through an oil return passage (21) and a gas injection passage, comprising a liquid injection passage (15) for fil...
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WO/2003/072946A1 |
A compact and efficient compressor is provided, based on using magnetic bearing technology, which can operate at high speed and comprises a reliable control system. The compressor of the present invention makes use of two separate compre...
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WO/2003/071202A1 |
The invention relates to a liquid/vapour separator in an air-conditioning circuit. According to the invention, the circuit comprises a phase separator, between the evaporator and the compressor, in which the fluid circulates in an essent...
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WO/2003/064939A1 |
An oil collecting method for collecting oil in a refrigerating circuit (1A) to an outdoor unit (20) in a refrigerator having the outdoor unit (20) and an indoor unit (30) connected to each other through pipes (51, 52) and the refrigerati...
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WO2002063224A9 |
An apparatus and associated method for discharging a fluid (20) and a liquid (30, 34) separated from the fluid (20) from an outlet chamber (16) of a heat exchanger (11,15). The outlet chamber (16) is configured to collect the separated l...
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WO/2003/042102A1 |
Process and system to produce nearly oil free ammonia using a rotary compressor with liquid injection from a separator tank where the liquid in the tank includes oil and liquid ammonia. The level of oil in the compressed ammonia leaving ...
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WO/2003/036192A1 |
A vehicle system for transferring thermal energy in relation to a vehicle fluid (32-36, 94) comprising at least one thermoelectric device (10), having at least two surfaces (12,14), concurrently dissipating thermal energy on a warmer sur...
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WO/2003/036188A1 |
Refrigerating equipment, wherein the excess amounts of lubricating oil (L) in the closed cases (100) of compressors (1a), (1b), and (1c) flow into oil pipes (14a), (14b), and (14c), the lubricating oil (L) flowing into the oil pipes flow...
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WO/2003/026103A1 |
A main cooling cycle (S1a) comprising a compressor (1), condenser (2), liquid receiver (3), subcool condenser (4), valve (37), main expansion valve (5), and an evaporator (6) has a parallel connection of a first branch refrigerant piping...
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WO/2003/001130A2 |
An evaporator (16) for a refrigeration chiller (10) includes a tube bundle (24) in which at least a portion of the tubes (26) of the tube bundle (24) are immersed in a pool (38) which include both liquid refrigerant and is lubricant. Liq...
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WO/2002/081923A1 |
A pressure equalisation method and system (10) is provided for starting a compressor (2) while maintaining the compressor (2) at a high pressure and comprises a valve (28) and a bleed port (26). The compressor (2) has a compressor inlet ...
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WO/2002/081924A1 |
A pressure equalization method and system (10) is provided for starting a compressor (2) while maintaining the condenser (8) at a high pressure and comprises a valve (28) and a bleed port (26). The compressor (2) has a compressor inlet (...
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WO/2002/077542A2 |
Vapor compression heat exchange systems (10,100) are disclosed that are designed to allow for optimal mass flow of refrigerant there through. The systems of the present invention do not employ conventional refrigerant metering devices, s...
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WO/2002/073036A1 |
A high-pressure shell type compressor, wherein an oil outflow hole (15) is provided at a position higher than an opening part at the lower end of an oil circulation pipe (208) and lower than the lower end of a rotor (206) disposed around...
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WO/2002/065028A2 |
A compressor-pump unit (20) for use in a vapor-compression refrigeration system (10) is provided. The compressor-pump unit (20) comprises a driving device (24) including a rotatable shaft (42). A compressor (26) is coupled with a first p...
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WO/2002/064389A1 |
An on-vehicle air conditioner, wherein, cooling is performed by using, for example, a CO¿2? refrigerant and mounting a refrigerating circuit having an electric-driven two-stage compression system compressor even in the cars with less wa...
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WO/2002/064979A1 |
A freezer, wherein, when a heating cycle is formed, the openings of flow control valves (11), (21), and (31) are controlled according to the degree of overheating of refrigerant in an outdoor heat exchanger (5) and, when a discharged ref...
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WO/2002/046663A1 |
A multi-type refrigerator capable of reducing a space and a cost by reducing the number of cascade units, comprising a freezing unit (4) and a refrigerating unit (5), the refrigerating unit (5) further comprising compressors (11, 12) for...
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WO/2002/047236A2 |
A constructive arrangement for the starting system of an electric motor, comprising a basic body (10), to which are mounted a cover (20), a starting device (30) and a motor protector (40, 40'), said basic body (10) being provided, on an ...
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WO/2002/042697A1 |
A collector for the liquid phase of the working medium of an air conditioning system has a first and second connecting branch element (4, 5). One of the connecting branch elements (5) continues into a guide pipe (6) which is guided throu...
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WO/2002/042645A1 |
The invention relates to a compressor, especially for air-conditioning systems of motor vehicles, for compressing a coolant to which a lubricant is added for the purpose of lubricating the compressor turbine. The invention is characteriz...
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WO/2002/040930A1 |
The invention relates to a fan drive for ventilating a compressor of a refrigerating device and a condenser, whereby the drive motor pertaining to the compressor of the refrigerating device and driving a drive shaft, and the compressor o...
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WO/2002/033261A1 |
A fluid compressor and a refrigerating machine having the fluid compressor; the fluid compressor (11), comprising a compressor case (16) having HFC-based refrigerant and ester-based refrigerating machine oil contained therein and a membe...
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WO/2002/025188A1 |
The invention concerns a refrigerating device comprising a compressor (2) with substantially vertical flow installed above a plate evaporator (3) whereof the plates are substantially parallel to a horizontal plane.
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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/2002/010655A1 |
A refrigeration cycle device which prevents refrigerating machine oil delivered during cycle from obstructing heat transfer and from increasing pressure loss, which is small in size and highly efficient, and which uses carbon dioxide gas...
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WO/2002/010656A1 |
The invention relates to a device for collecting and returning lubricants or oil (1) and coolants (2) to the coolant circuit (3) of a cooling system. Said device comprises a collector (4), an inlet for the coolant (2) and the oil (1) and...
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WO/2002/006740A1 |
An ejector and a refrigerating machine which do not obstruct the flowing of fluid. An ejector (20) comprising a hollow passage (negative pressure generating flow passage) (25) for allowing fluid to flow therethrough, a small hole (27) pr...
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WO/2002/004876A1 |
The invention relates to a cooling system having two modes of operation, active and passive operation. The new cooling system differs from the prior art in that the pipe connection (4) is connected with the top of the evaporator (6), and...
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WO/2001/098669A1 |
A turbo compressor capable of increasing an efficiency without increasing a size and a cost and a refrigerator with the turbo compressor capable of increasing an efficiency; the turbo compressor, comprising a casing (55) having a suction...
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WO/2001/094863A1 |
A refrigerating cycle device which uses a hydrocarbon refrigerant and a lubricant free from silicone, has a detachable sensor unit for detecting leaked hydrocarbon refrigerant to ensure a safe use of the device by replacing an defective ...
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WO/2001/090664A1 |
Oil return from the evaporator (102) to the compressor (20) of a refrigeration chiller (10) is accomplished by routing the suction piping (122) that communicates between the chiller's evaporator (102) and compressor (20) to a location ph...
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WO/2001/074977A2 |
A lubricant composition comprises an ester derivable from the reaction of an aromatic monocarboxylic acid with a monovalent aliphatic alcohol having 1 to 15 carbon atoms. The composition has a low viscosity and is suitable for use in ref...
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WO/2001/070092A2 |
A facial mask (10) comprises a mask body (12) that is adapted to be coupled to a patient\'s face. A valve system (24) is coupled to the mask body to permit the inflow of respiratory gasses into the mask body and to permit the outflow of ...
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WO/2001/061255A1 |
Since moisture in a freezing circuit is absorbed by using polyvinyl ether oil having water absorbability as freezer oil, an insulation film for a motor built in a compressor hardly hydrolyzes even if the compressor becomes heated to high...
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WO/2001/059375A1 |
A refrigerator, comprising an oil deterioration judging container (31) disposed between a four-way directional control valve (2) and a gas closing valve (24), whereby, because a gas refrigerant containing much refrigerating machine oil i...
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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/2001/051594A1 |
A refrigerating apparatus which contains ammonia as a refrigerant and in which a lubricant excellent in compatibility with the ammonia refrigerant and in lubricity and stability is used. The ammonia refrigerating apparatus employs a refr...
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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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