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Patent Searching and Data


Matches 351 - 400 out of 2,939

Document Document Title
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...  
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...  
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...  
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...  
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 ...  
WO1998012109A8
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/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...  
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...  
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...  
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...  
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...  
WO2002055965A3
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...  
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)...  
WO2002044633A8
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...  
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 ...  
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...  
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...  
WO/2002/073101A1
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...  
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...  
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...  
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...  
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...  

Matches 351 - 400 out of 2,939