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Patent Searching and Data


Matches 401 - 450 out of 2,995

Document Document Title
WO/2002/044634A1
A cooler (110), comprising a primary refrigerant circulating circuit for controlling the temperature of an electrode by circulating, in the electrode, a primary refrigerant (CW1) with a temperature controlled by a heat exchanger (138), a...  
WO/2002/044633A1
The present invention generally relates to an apparatus and method for urging fluid from a charging system to a pressurized system. The apparatus (20) has a rigid body (90) with a conduit (68) defined therein. The body (90) is mounted be...  
WO2002026913A3
The invention provides fluorocarbon refrigerant compositions that offer alternatives, and are considered environmentally safe substitutes, for CFC's and HCFC's. The compositions of the invention are useful as refrigerants, including for ...  
WO2002027248A8
Provided are methods of introducing environmentally desirable refrigerants into refrigeration systems. The present methods involve recharging a refrigerant system that contains a chlorine-containing refrigerant and a lubricant comprising...  
WO2002026912A3
The present invention provides hydrofluorocarbon compositions suitable for use in a wide range of applications. The compositions of the present invention tend to be soluble in hydrocarbon lubricating oils, and thus, are especially useful...  
WO/2002/026912A2
The present invention provides hydrofluorocarbon compositions suitable for use in a wide range of applications. The compositions of the present invention tend to be soluble in hydrocarbon lubricating oils, and thus, are especially useful...  
WO/2002/027248A1
Provided are methods of introducing environmentally desirable refrigerants into refrigeration systems. The present methods involve recharging a refrigerant system that contains a chlorine-containing refrigerant and a lubricant comprising...  
WO/2002/026913A2
The invention provides fluorocarbon refrigerant compositions that offer alternatives, and are considered environmentally safe substitutes, for CFC's and HCFC's. The compositions of the invention are useful as refrigerants, including for ...  
WO2001074977A3
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...  
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...  
WO/2001/092793A1
The present invention is directed to a method for charging a self-chilling beverage can, in a self-chilling beverage can (10) of the type involving a container-within-a-container construction wherein, for example, a granular carbon mater...  
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 ...  
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...  
WO/2001/070123A1
One aspect of the invention provides a refrigeration system (1; 50) comprising a cooling instrument (25) and a refrigerant circuit (3, 5; 52, 54) comprising means (9, 15; 58, 66) for puming refrigerant through the circuit and the instrum...  
WO/2001/059374A1
A device (10) for recharging an a/c system with dye containing refrigerant using recovery/recycle/recharging equipment (30). The device (10) connects to the recovery/recycle/recharging equipment (30) so as to allow the refrigerant/dye mi...  
WO/2001/040719A1
An improvement in a refrigeration circuit comprising a hermetic chamber (10), which is maintained in fluid communication with the refrigeration circuit, immediately downstream at least one of the parts defined by a condenser (5) and by a...  
WO/2000/077464A1
A refrigeration sealing system (1) for a refrigeration unit includes a trap-process tube (20) coupled with and in communication with a compressor (5) of the refrigeration unit for receiving refrigerant from a refrigerant source (6). The ...  
WO/2000/071948A1
Devices and methods for multiple-dose injection (10) of a liquid, into a closed system, are disclosed. Fluid flow through the closed system is used to flush the liquid into the system.  
WO/2000/044859A1
A flushing composition containing a lubricant and a deposit removal component having a deposit removal effect which is especially useful for cleaning refrigeration systems by reducing or removing unwanted deposits in constricted areas in...  
WO/2000/029796A1
A heat transfer device comprising a refrigeration circuit containing a refrigerant and a refrigerant recovery system is described. The refrigerant recovery system comprises (A) a holding vessel for containing the refrigerant once the dev...  
WO2000005541A3
A refrigerant handling system (10) includes a cabinet (11) having two service ports and two sample ports and housing recycling/recharging apparatus coupled to the service ports and a refrigerant identifier (70) coupled to one of the samp...  
WO/2000/017588A1
The invention relates to a single-circuit cooling system (10) comprising a reservoir (13) which can be optionally connected in the cooling circuit thereof with the aid of reversing means (14) and which is provided for accommodating cooli...  
WO/2000/016027A1
A method for cold transportation of goods that are placed in a hollow-walled refrigerating container (RC), comprising the following steps: storage of a pumpable solution of tiny ice crystals, known as binary ice, having a given compositi...  
WO/2000/016025A1
An injector (10) for introducing a fluid composition into an air conditioning system is provided. The injector includes a pump (14) including an internal volume (20) having a first opening and a second opening, and a plunger (28) which m...  
WO/2000/005541A2
A refrigerant handling system (10) includes a cabinet (11) having two service ports and two sample ports and housing recycling/recharging apparatus coupled to the service ports and a refrigerant identifier (70) coupled to one of the samp...  
WO/1999/064799A1
A refrigerant collecting device (6A) for collecting refrigerant easily and at low cost from a refrigerant circuit of a refrigerator, comprising a pipe (7) for connecting the device to the refrigerant circuit, a valve (17) with a tighteni...  
WO/1999/063252A1
A valved fitting is provided which includes a body having a first end and a second end spaced from the first end, with a fluid passage extending through the body between the first and second ends. A valve seat is defined on the body with...  
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...  
WO1999045330A8
A system and a process for supplying fluid in hermetic circuits, said system comprising a control unit (30), for commanding the individual conduction of each hermetic circuit (1), which will be submitted to vacuum and fluid supply condit...  
WO/1999/045330A1
A system and a process for supplying fluid in hermetic circuits, said system comprising a control unit (30), for commanding the individual conduction of each hermetic circuit (1), which will be submitted to vacuum and fluid supply condit...  
WO/1999/031445A1
An apparatus to be purged having at a portion to be purged thereof not less than two valve ports capable of being joined to even a circuit other than a main circuit; a purging apparatus having a substitution gas container which is filled...  
WO/1999/030091A1
The present invention relates to a temperature control system, especially a thermosiphon system (301), with controllable refrigeration capacity, comprising an evaporator (303), a condenser (305), a rise pipe (307), a fall pipe (309) and ...  
WO/1999/027314A1
A liquid-side closing valve (23) is provided between a liquid receiver (19) and an indoor heat exchanger (20) in a main circuit (12). On the downstream side of the liquid-side closing valve (23) is provided a coolant feeding unit (40A) e...  
WO/1999/014539A1
A refrigerant recovering apparatus which comprises a recovery pipe (2), heat exchangers (25, 26), and check valves (30, 31, 37, 38), a refrigerant in the recovery pipe (2) being heated and cooled in the heat exchangers (25, 26) to give f...  
WO/1999/013279A1
An apparatus for cleaning pipes, wherein a four-way changeover valve (43) in a heat pump circuit (200) is switched to operate two transfer heat exchangers (25, 26) alternately as a cooler and heater, and to thereby circulate a cleaning r...  
WO/1999/013278A1
An apparatus and method for reclaiming refrigerants comprising a decontamination system (14) for removing contaminants from liquid and vapour phases of a refrigerant with an inlet and outlet control system (16, 18) to regulate the flow o...  
WO/1999/002928A1
A freezer which needs not have all its components made pressure-resistant and can prevent the accumulator from increasing in size. A buffer tank (6) into which the refrigerant in the freezer is introduced. When the freezer stops in conne...  
WO/1998/049503A1
A refrigeration system (10) which controls subcooling by controlling the amount of refrigerant diverted from the condenser (14) to the receiver (16) based upon the difference in temperature between the phase change transition temperature...  
WO/1998/044288A1
A refrigerant supply container, in which a change in composition of a non-azeotropic refrigerant at the time of transfer filling can be kept within an allowable range. The refrigerant supply container has a non-azeotropic refrigerant, wh...  
WO/1998/030651A1
A method for filling a mixed refrigerant, characterized in that, in using as the refrigerant a nonazeotropic mixture comprising 23 to 27 % by weight of difluoromethane, 13 to 17 % by weight of pentafluoroethane, and 58 to 62 % by weight ...  
WO/1998/030847A1
A refrigeration system having a closed circulating circuit filled with a refrigerant which on evaporation expands and gives rise to an increase in pressure in the whole of or parts of the circulating circuit, and which at ambient tempera...  
WO/1998/023703A1
To use a non-azeotropic mixture consisting of HFC32 (23 wt.%), HFC125 (25 wt.%) and HFC134a (52 wt.%) as a cooling medium, the mixture in a container on the supply side such as a bomb is made to have a composition of HFC31 (23.5 to 25.0 ...  
WO/1998/016784A1
A system for the in situ destruction of compressible refrigerant from a refrigerant containing apparatus includes a refrigerant recovery apparatus (30) for receiving refrigerant from the refrigerant containing apparatus (20) and a refrig...  
WO/1998/013653A1
A refrigerant recycle and reclaim system includes two liquid refrigerant receivers (40, 42); a low (30) and a high (34) pressure compressor in fluid communication with each other, each having their own oil separator (32, 36); a condenser...  
WO/1998/012109A1
The present invention relates to a method and apparatus for charging a closed, pressurizable fluid system (40) with an appropriate fluid (44), comprising a) (16) connecting to the system (44) a closed, unpressurized container (42) contai...  
WO/1997/045683A1
A pressure relief system (212) for a mechanical refrigeration system. The pressure relief system (212) has a pair of rupture disks (100 and 102) connected in series to a pressure vessel that contains refrigerant. The pressure relief syst...  
WO/1997/039295A1
An improved charging device (20) comprising a vessel (22) for holding a liquid (24) therein. A component (26) on the vessel (22) is for allowing the liquid (24) to exit therefrom. A facility (28) on the vessel (22) is for dispensing the ...  
WO/1997/026492A1
A combined refrigerant recovery, evacuation and recharging apparatus for transferring refrigerant from a first container to a second container and deeply evacuating the first container. The apparatus includes a compressor (16) having a s...  
WO/1997/011324A1
A method and apparatus are disclosed for separation of non-condensible gas from recovered refrigerant collected in a collector tank (12). Non-condensible gas is intermittently vented from the collector tank. The vented non-condensible ga...  
WO/1997/005435A1
A portable refrigerant reclamation and purification apparatus and method removes impurities and contaminants from refrigerant blends and reclaims them. Contaminated refrigerant is introduced through a spray nozzle (15) into a separation ...  

Matches 401 - 450 out of 2,995