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WO/2005/040696A1 |
A system for monitoring the amount of refrigerant supplied from a refrigerant tank to a plurality of refrigerant systems comprising a tank valve for connection to a refrigerant tank at a predetermined location. A rack of refrigerant rack...
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WO/2005/038360A1 |
A freezing apparatus having a structure enabling separation and removal of an incondensable gas in a refrigerant circuit by using a separation film, the gas being the gas having been left in refrigerant connection piping in a field insta...
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WO/2005/036074A1 |
A portable device for measuring the refrigerant pressure in an automobile air conditioning system and, if needed, charging the system with additional refrigerant is provided. An actuator is coupled to a pressurized container that selecti...
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WO/2005/017423A1 |
A freezer device has a refrigerant circuit (10) and a recovery container (40) for oil. In the refrigerant circuit (10), a compressor (21), an outdoor heat exchanger (24), and an indoor heat exchanger (33) are connected to perform a freez...
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WO/2005/009788A2 |
A sub-unit (12) for a vehicle air conditioning system is shipped with a condenser (30), chiller (32) and fluid lines (34, 36). Snap together couplings (44) are placed on free ends of the fluid lines whereby the sub-unit can be pre-charge...
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WO/2005/003654A1 |
An electronic refrigerant charging-pressure display system includes a charge pressure display part provided on a printed circuit board installed around a high-pressure gauge, the charge pressure display part being designed to display a s...
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WO/2004/113803A1 |
In a freezing device having an arrangement in which an non-condensable gas remaining in refrigerant communication pipes during on-site construction is mixed with a refrigerant in a refrigerant circuit and in this mixed state it is separa...
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WO/2004/090442A1 |
A refrigeration device has a foreign substance recovery container (40) connected to the suction side of a compressor (21) by an inflow tube (42) and an outflow tube (43). The exit end of the inflow tube (42) is opened toward the inner bo...
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WO/2004/084276A2 |
An apparatus for controlling the temperature of an electronic device under test (10) includes a thermal head (14). The thermal head defines a flow channel (32) for passage of a refrigerant fluid so as to cause transfer of thermal energy ...
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WO/2004/076943A2 |
The invention relates to a device which is used to determine and/or control the necessary and sufficient quantity of refrigerant for an air-conditioning system. The inventive device comprises: a portable case (4) housing (i) a memory ele...
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WO/2004/070293A1 |
A refrigerant pipe washing method capable of reducing the use amount of refrigerant and washing operation time when working refrigerant is replaced with HFC refrigerant without changing the refrigerant pipes of an air conditioner using m...
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WO/2004/063644A1 |
A refrigeration system comprising a refrigerant circuit including a compressor and a receiver in which the judgment accuracy of a liquid level detecting circuit for judging whether liquid refrigerant is stored up to a specified position ...
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WO/2004/063645A1 |
A system oil separator oil separating section, and heat exchange sections for a filter drier, a compressor and a system oil separator are at least installed in a pipeline that removably connects a high pressure side connector and flon ta...
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WO2004051162B1 |
The invention concerns a device comprising at least one carbon dioxide cylinder (7) and a low flow rate expansion valve (8) arranged as an auxiliary system of the low pressure portion of said system. Said leak-compensating device has a f...
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WO/2004/061380A1 |
An operation fluid recovery device has a casing (2) with an insertion opening (3) into which an end portion of a heat pipe (P) can be inserted; a seal member (4) made of an elastic body, provided in the casing (2) and having an insertion...
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WO/2004/036604A1 |
The invention relates to a cooling method for cooling a superconducting coil assembly in a MR apparatus, wherein the superconducting coil assembly 10 is cooled using a cooling agent 41, 42 which is in thermal contact with the superconduc...
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WO/2004/027351A2 |
A device and method for determining the presence or absence of refrigerant leak sealant within the refrigerant charge of air conditioning systems or stores are described. A sensing unit having a seal-forming surface is wetted and placed ...
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WO/2004/010060A1 |
A refrigerating cycle which provides refrigerant circulation quantities corresponding to seasons, which can avoid overheat operation or wet operation, which does not require the use of a flow adjusting valve or the like, and which can be...
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WO/2004/008050A1 |
A refrigeration apparatus having a vapor compression-type refrigerant circuit. With the apparatus, reliability of an apparatus structure for performing a piping cleaning operation is increased. An air conditioning device (1) comprises a ...
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WO/2004/007281A1 |
A method of dispensing a liquid material from a source container which includes a blend of fluids of a first composition that normally fractionate upon boiling. A material of a second composition (different than that of the first composi...
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WO/2004/008051A1 |
A refrigeration apparatus and method of filling a refrigerant to the apparatus with which apparatus and method the work period to install the apparatus can be shortened. An air conditioning apparatus (1) comprises a vapor compression-typ...
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WO/2004/005787A2 |
A service coupling (20) for use with either a push-type or a screw-type port valve of a charge port (22) is provided that includes a body portion (58) and an axially moveable valve housing (82). Axial movement of an actuator (70) permits...
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WO/2003/089853A1 |
A Compressed Gas Monitoring system is enabled to monitor and log transfers of compressed gas from or to a portable vessel, such as a compressed gas bottle, and other plant, such as a large refrigeration system. The control and logging me...
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WO/2003/076854A1 |
This invention provides an improved means of quickly warming a pulse tube (165) by shifting the phase relation of flow to the warm end of the pulse tube relative to flow to the warm end (117) of the pulse tube relative to flow to the war...
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WO/2003/074306A1 |
A refrigerant handling system (13) includes coupling apparatus (16) for coupling a refrigerant processing apparatus (15) to an automotive air-conditioning system (10). The coupling apparatus includes a ball valve (20) including a common ...
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WO/2003/064914A1 |
A service coupling (20) is provided that includes a body portion (58) and anaxially moveable valve housing (82) disposed in a central passageway (64) of the bodyportion (58). The valve housing (82) includes at least one pressure balancin...
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WO2002073101B1 |
A supply canister (28) is partially filled with a refrigerant circuit additive liquid (10) and is partially evacuated. Additive liquid from the canister (28) may be placed into the refrigerant circuit (23) of an air conditioning system b...
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WO/2003/052331A1 |
A refrigerating machine for a refrigerating appliance, particularly a household refrigerating appliance, comprises a compressor (24), a condenser (25), a multiway valve (34) for selectively directing the refrigerant flow through a refrig...
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WO/2003/050459A1 |
In a natural gas liquefaction system having a refrigerant storage circuit (10), a refrigerant circulation circuit (20) in fluid communication with the refrigerant storage circuit (10), and a natural gas liquefacation circuit (30) in ther...
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WO/2003/042605A1 |
A refrigerant circuit (R) comprises a compressor (25) for compressing a refrigerant to a pressure higher than the critical pressure, a gas cooler (26), an electrically powered expansion valve (27), and an evaporator (28), and uses a natu...
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WO/2003/008878A1 |
A refrigerator allowing an optimum amount of refrigerant to be easily filled therein in a short time, comprising a refrigerant circulating circuit (A) for connecting an outdoor unit (X) to an indoor unit (Y) through refrigerant pipes (6)...
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WO/2002/103265A1 |
A refrigerator capable of always assuring an optimum filling amount of refrigerant by allowing the amount of refrigerant required by the refrigerator installed at site to be filled, comprising a refrigerating cycle (A) having an outdoor ...
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WO2002044633B1 |
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...
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WO/2002/073102A1 |
A supply canister (28) is partially filled with a refrigerant circuit additive fluid (10) which is partially evacuated, said refrigerant circuit additive fluid (10) is comprised of a combination of a binding azeotrope of methanol and cyc...
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WO/2002/059533A1 |
A manifold (10) for charging a system which when in use cycles a refrigerant between liquid and gaseous states is disclosed. The manifold (10) includes a housing defining a flow passage extending from an inlet (16) to an outlet (18). Str...
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WO/2002/055965A2 |
A manifold gauge assembly (10) that combines in a single apparatus the features of a manifold gauge set and the features of a phase change device (50). The manifold gauge assembly may be utilized for charging both pure liquid refrigerant...
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WO/2002/048601A1 |
A fluid delivery apparatus (100) provides for controlled delivery of fluids into a fluid system. The fluid delivery apparatus (100) can allow a defined volume of fluid to be delivered to the fluid system cleanly, minimizing fluid waste a...
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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...
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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...
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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...
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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 ...
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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/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...
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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/2001/074977A2 |
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/2001/070123A1 |
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...
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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...
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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...
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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 ...
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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.
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