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WO/2011/048722A1 |
Disclosed are an air conditioner that can reliably perform a vacuuming operation and ensure performance during operation, and a method for installing same. The air conditioner is provided with a refrigerant infusion port provided in a co...
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WO/2011/046421A1 |
The present invention provides a method for fabricating a heat transfer device comprises a sealed container containing working medium within its cavity. The method comprises providing a container having at least one opening; injecting (1...
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WO/2011/041874A1 |
A vessel for use in an air conditioner recharging system contains a desiccant that may limit moisture in a hygroscopic fluid, such as liquid lubricant and/or dye. The vessel may thus limits the amount of moisture introduced as a result o...
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WO/2011/039279A2 |
A hydrocarbon stream (200) is separated in a first fractionation device (205) to provide an overhead first hydrocarbon component stream (210) and a first hydrocarbon component depleted bottoms stream (300). The overhead first hydrocarbon...
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WO/2011/039851A1 |
Disclosed are a heat-source-side unit and a refrigeration air conditioner, both of which enable the effective utilization of tanks or the like and also enable highly efficient recovery or the like. Specifically disclosed is a heat-source...
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WO/2011/015221A1 |
The invention discloses a method and an apparatus for disposing of old refrigerators containing a refrigerant with a refrigerating agent and at least one other substance. The method comprises: removing the refrigerant from the old refrig...
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WO/2011/004970A2 |
According to the present invention, an air conditioner comprises: a first circulation channel which drives a thermodynamic cycle while normally circulating a refrigerant; a second circulation channel which is branched from an outlet of a...
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WO/2011/004969A2 |
According to the present invention, an air conditioner comprises: a first compressor and a second compressor which compress a refrigerant through multiple stages; a condenser which condenses the refrigerant compressed by the second compr...
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WO/2011/001069A1 |
The invention relates to a device (D) dedicated to connecting a sealing-monitoring machine (MT) to an air-conditioning circuit (CC) to be monitored including at least one inlet (E1). Said device (D) includes: i) a pressurization circuit ...
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WO/2010/149537A2 |
The invention relates to a refrigeration device, in particular a household refrigeration device (1), comprising a body (2), which forms an inside container (3), lined with insulating material, of a refrigeration device room, in particula...
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WO/2010/131877A2 |
The present invention relates to an air conditioner, and more particularly, to an air conditioner comprising an oil recovery channel which is arranged to recover oil from a shell and tube-type evaporator, or to recover oil from an oil se...
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WO/2010/119705A1 |
Provided is a heat source unit by which a time required for filling a cooling medium is shortened at the time of installing an air conditioning apparatus unit to be used. A heat source unit (1) is provided with: a compressor (100); a hea...
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WO/2010/116496A1 |
A refrigerant charging method for a refrigeration air-conditioner provided with a compressor (1) for sucking a refrigerant and discharging the refrigerant after compressing the refrigerant. The refrigerant discharged from the compressor ...
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WO/2010/078637A1 |
Method and equipment for improving the efficiency of compressors and refrigerators, characterised by a series of steps for preparing the hermetically sealed refrigerators and compressors before the refrigerating gas is introduced, said p...
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WO/2010/077648A1 |
A refrigerant additive supply device can include an outer rigid container, an inner flexible bag positioned in the outer rigid container and defining a space therebetween where the inner flexible bag contains an additive without a refrig...
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WO/2010/046005A1 |
The invention relates to a device (1) for changing a coolant of a cooled device (10), comprising a closed system (1) having valves (V1-V16) as check valves, ventilation valves, and dosing valves; containers (B1-B5) as containers for high...
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WO/2010/039682A2 |
A refrigerant vapor compression system includes a flash tank disposed in the refrigerant circuit intermediate a refrigerant heat rejection heat exchanger and a refrigerant heat absorption heat exchanger. The flash tank has a shell defini...
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WO/2010/036540A1 |
The transcritical refrigeration system is provided with a main compressor and booster compressor that is made to operate in parallel with the main compressor only during pulldown conditions. A single, two stage compressor is provided wit...
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WO/2010/028493A1 |
A method for maintaining a charged and pressurized air conditioning or refrigeration system, such method including introducing into the system fluid of the air conditioning or refrigeration system a hydrolytic drying agent, and distribut...
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WO/2009/155193A1 |
A method for introducing additives into a closed system though a high pressure side service port is disclosed. In a first example, a method of introducing an additive into a closed system is disclosed comprising the steps of connecting a...
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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...
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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 ...
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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...
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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...
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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...
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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-...
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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...
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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...
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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)...
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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...
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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...
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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...
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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 ...
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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...
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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 (...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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