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Patent Searching and Data


Matches 251 - 300 out of 2,995

Document Document Title
WO/2009/140370A2
A refrigerant vapor compression system includes a compression device, a refrigerant heat rejection heat exchanger, an expansion device, and a refrigerant heat absorption heat exchanger disposed in a closed-loop refrigerant circuit in ser...  
WO/2009/132836A1
The invention relates to a method for filling a refrigerant into the cooling circuit (2) of a refrigerating machine and a device for carrying out said method. According to the invention the refrigerant is removed from a reservoir (1) in ...  
WO/2009/063092A3
A method of liquefying a hydrocarbon stream, such as natural gas, comprising at least the steps of : (a) partially liquefying a hydrocarbon feed stream (10) to provide a partially liquefied hydrocarbon stream (20); (b) passing the partia...  
WO/2009/094723A1
One aspect of the present invention relates to a physical adsorption based refrigeration system, which generally comprises (1) an adsorption bed substantially filled or packed with an activated carbon adsorbent adapted to adsorb a refrig...  
WO/2009/076628A3
An HVACSR system is disclosed that utilizes energy-efficient valving. The valving controls the flow of refrigerant and may be adapted for evaporator or condenser applications, on both AC systems and heat pumps (as well as chillers and ot...  
WO/2009/091398A1
A plurality of pressure relief devices are disposed within a refrigeration circuit, and each of the pressure relief devices is located within a compartment that fluidly communicates with the ambient air. Each of the pressure relief devic...  
WO/2009/091405A1
Methods that prevent exposure of a vapor compression system to excessive pressure during storage and transportation are described The steps include attaching a high pressure vessel containing refrigerant via at least one flow control dev...  
WO/2009/091397A1
A CO2 vapor compression system is provided with at least one pressure relief device which is designed to open when the pressure in the low pressure side exceeds the predetermined level because of exposure to high temperatures during non-...  
WO/2009/076628A2
An HVACSR system is disclosed that utilizes energy-efficient valving. The valving controls the flow of refrigerant and may be adapted for evaporator or condenser applications, on both AC systems and heat pumps (as well as chillers and ot...  
WO/2009/076623A1
An HVAC&R system is disclosed that utilizes energy-efficient valving. The valving controls the 'flow of refrigerant and may be adapted for evaporator or condenser applications, on both AC systems and heat pumps (as well as chillers and o...  
WO/2009/069257A1
During a coolant feeding operation for feeding a coolant to a coolant circuit (20) while a freezing cycle is performed so that a use side heat exchanger (37) operates as an evaporator in the coolant circuit (20), valve control means (53)...  
WO/2009/063142A2
The invention relates to a method for starting a natural gas liquefaction unit comprising a cooling circuit that contains a refrigerant containing a hydrocarbon mixture, wherein said method consecutively comprises: (a) injecting and purg...  
WO/2009/063092A2
A method of liquefying a hydrocarbon stream, such as natural gas, comprising at least the steps of : (a) partially liquefying a hydrocarbon feed stream (10) to provide a partially liquefied hydrocarbon stream (20); (b) passing the partia...  
WO/2008/066530A3
A refrigeration system includes a compressor, first and second heat exchangers, and an expansion device. A refrigerant recirculating flowpath extends sequentially downstream through the compressor, first heat exchanger, expansion device,...  
WO/2006/039066A3
An apparatus for managing refrigerant charge in an air conditioning unit comprising a cooling circuit through which a refrigerant flows from a compressor, through a condenser, and through an evaporator, a heat recovery circuit extending ...  
WO/2009/044651A1
A process for charging liquefied ammonia by conducting successively the feeding step of feeding gaseous ammonia to a condenser, the liquefaction step of liquefying the gaseous ammonia in the condenser, and the charging step of feeding th...  
WO/2009/043363A1
A refrigerating system according to the invention comprises refrigerating cycle having a compressor (4), a condenser (6), a collecting container (10), an expansion device (16), an evaporator (18) and refrigerating circuits circulating a ...  
WO/2009/018624A1
A method (600)of charging a refrigeration system (100) includes supplying (614) a substantially evacuated refrigerant loop of the refrigeration system with a refrigerant fluid. The method monitors (616, 352) at least a temperature associ...  
WO/2008/153669A3
A refrigerant system for cooling a comfort zone is selectively operable in a cooling-only mode and a reheat mode. The system operates in the cooling mode to meet sensible and latent cooling demands of a room or area in a building when th...  
WO/2009/003479A1
A method and a system for flushing air conditioning systems, said air conditioning system (1 ) comprising a plurality of service valves (2, 3), a supply valve (6), a discharge valve (7) and a compressor (9). The air conditioning system (...  
WO/2008/079234A3
Disclosed are refrigerant compositions comprising the following components, as expressed in weight percent, and such that the total adds up to 100%, including any additives. 7.0-9.0 % wt. R32 [difluoromethane, CH2F2, having a normal boil...  
WO/2008/149715A1
An air conditioner having heat source units, in which, in filling of a refrigerant circuit with refrigerant, the amount of refrigerant present in the refrigerant circuit is accurately determined. The air conditioner (100) has a first out...  
WO/2008/142891A1
While ensuring lightweightness and low cost, the influence of valve body strain attributed to outside-machine piping connection and support to outdoor machine frame, etc. is minimized to thereby reduce any refrigerant leakage as effectiv...  
WO/2007/098477A3
A two-phase liquid cooling system includes an active venting system for regulating an amount of non-condensable gas within the cooling system. Various venting structures may be used to remove gases from the cooling system, some of which ...  
WO/2008/132982A1
[PROBLEMS] A variation in time of charging refrigerant into a refrigeration circuit is suppressed. [MEANS FOR SOLVING PROBLEMS]A refrigerant charging device has an electric valve (49) provided in a supply pipe (47), a flow rate control s...  
WO/2008/109014A2
The present invention relates to an improved smoke evacuation device for use in laparoscopic surgeries. One improvement is a hydrophilic wick positioned within the inlet system of the smoke device for absorbing moisture and trapping surg...  
WO/2008/095675A1
The invention relates to a connecting device (100) for connecting a pressure reservoir (300) to a liquid gas reservoir filler neck (200). The pressure reservoir (300) comprises a connecting piece (302) with an outlet valve (304) that can...  
WO/2008/066530A2
A refrigeration system includes a compressor, first and second heat exchangers, and an expansion device. A refrigerant recirculating flowpath extends sequentially downstream through the compressor, first heat exchanger, expansion device,...  
WO/2008/055623A1
The invention relates to a method for servicing an air conditioner, particularly in a motor vehicle. According to said method, a test gas is applied at a defined pressure to the air conditioner cooling circuit that is depleted of coolant...  
WO/2008/054383A1
A refrigerant system utilizes environmentally friendly natural refrigerant such as carbon dioxide. A pressure relief mechanism such as pressure relief valve is incorporated into the refrigerant system design to allow for at least some am...  
WO/2008/049940A1
Compact, automated unit for discharging and recharging gases of an installation which consists of a single framework structure (1) formed by at least individual lateral casings (1a), there being between same: a) a lower level, which is a...  
WO/2008/045086A1
A refrigeration circuit having a system charge and a system charge storage area. The system charge area has a condenser having a set of micro-channel heat exchanger coils. The condenser is appropriately sized to receive a first volume of...  
WO/2008/039204A1
A refrigerant vapor compression system includes a flash tank receiver disposed in the refrigerant circuit intermediate the refrigerant cooling heat exchanger and the refrigerant heating heat exchanger. The flash tank receiver, which rece...  
WO/2008/017417A3
The present invention relates to a method for filling a fluid (2) into the cooling circuit (1) of air-conditioning systems, in particular into those of motor vehicle air-conditioning systems, in which method the fluid (2) which is to be ...  
WO/2007/123561A3
A system for cooling one or more discrete superconducting devices (21, 22, 23) wherein a primary refrigerator (1) subcools cryogenic liquid for desubcooling in the devices (21, 22, 23) and subsequently resubcools this liquid in a recircu...  
WO/2008/017417A2
The present invention relates to a method for filling a fluid (2) into the cooling circuit (1) of air-conditioning systems, in particular into those of motor vehicle air-conditioning systems, in which method the fluid (2) which is to be ...  
WO/2008/018373A1
Provided is a method for cleaning an air conditioner, by which a quantity of remaining impurities is reduced without vacuumizing, in the case of using carbon dioxide as an operating coolant. The method is provided for cleaning the air co...  
WO/2008/018480A1
Provided is a coolant filling method in a refrigeration device using carbon dioxide as a coolant, which method can reduce the time required for coolant filling and the time required until operation is enabled after the coolant filling. T...  
WO/2008/010519A1
In loading a refrigerant into a refrigeration device using CO2 as the refrigerant, the time of the refrigerant loading is reduced and the time after the loading until the refrigeration device is operable is reduced. A refrigerant loading...  
WO/2008/000266A1
A refrigerant exchange arrangement is claimed with a first oil-trapping chamber (10) and a second oil-trapping chamber (11). A refrigerant exchange arrangement of simple construction is to be realized. For this purpose, the second oil-tr...  
WO/2008/001687A1
A separate type air conditioner in which labor of inputting information on refrigerant connection piping before operation of the air conditioner is reduced as much as possible and in which whether or not the amount of refrigerant in a re...  
WO/2007/087039A3
A self-heating chemical system using one or more primary components for exothermic reactions (such as calcium oxide), one or more porous components that can serve as a heat sink and conductor of heat as well as under going chemical trans...  
WO2007128127A9
A manifold gauge set has at least one sight glass window for viewing contents of a refrigeration system or an air conditioning system being serviced. The window may be non-planar to achieve an appearance that varies with the presence or ...  
WO/2006/073814A3
A refrigerant system is provided with a method and a control programmed to perform the method, in which a low charge of refrigerant is identified. The mass flow of refrigerant through the system is calculated utilizing at least two diffe...  
WO/2006/091390A3
A refrigerant cycle is provided with a single three-way service valve that is utilized for draining and adding refrigerant. In the prior art, a second two-way valve was used in combination with the three-way valve. The present invention ...  
WO/2007/128127A1
A manifold gauge set has at least one sight glass window for viewing contents of a refrigeration system or an air conditioning system being serviced. The window may be non-planar to achieve an appearance that varies with the presence or ...  
WO/2007/101694A3
The invention relates to a device for cooling comprising an evaporator, a gas cooler, a first coolant conduit, a second coolant conduit and a filling device.  
WO/2007/123544A1
An adequate operation and performance of a refrigerant system includes the steps of adding a refrigerant that is different from the original refrigerant, into the refrigerant system should any operational problems be observed during oper...  
WO/2007/123561A2
A system for cooling one or more discrete superconducting devices (21, 22, 23) wherein a primary refrigerator (1) subcools cryogenic liquid for desubcooling in the devices (21, 22, 23) and subsequently resubcools this liquid in a recircu...  
WO/2006/129034A3
The invention concerns a method for refrigerating one or more thermal loads which consists in providing a first CO2 source derived from a mechanical cold system, and in feeding one or more evaporators from said first source so as to caus...  

Matches 251 - 300 out of 2,995