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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...
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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...
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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 ...
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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...
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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...
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WO/2007/111099A1 |
A refrigeration device having in-chamber units (3, 4) and booster units (5, 6). First service valves (SV1, SV3) on the first and the second system side are placed in liquid lines each laid between an outdoor heat exchanger (77) and each ...
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WO/2007/105425A1 |
A method of recovering refrigerator oil has a first step and a second step that are performed in sequence. In the first step, the refrigerator oil is recovered from a gas side port (28) together with a part of refrigerant in that part of...
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WO/2007/101694A2 |
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.
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WO/2007/094349A1 |
An air conditioner having a function to extinguish a fire when the fire occurs in an electric equipment assembly. The air conditioner (1) comprises a vapor compression type refrigerant circuit (10) in which carbon dioxide is used as a re...
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WO/2007/085480A1 |
In a method for servicing a vehicle air-conditioning system (10) which is operated with a closed coolant circuit, the coolant in a service device using a reservoir vessel (19C, 19D, ...) for at least one of the filling media - a circuit ...
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WO/2007/086445A1 |
An air conditioner where, in refrigerant charging performed by using a refrigerant container, the fact that the refrigerant container is empty can be known without using a weigher etc. The container (90) containing the refrigerant is use...
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WO/2007/049372A1 |
Irrespective of environmental conditions or installation conditions, the state of refrigerant filling in an air-conditioning apparatus can be accurately judged. There is provided an air-conditioning apparatus comprising arithmetic part (...
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WO/2007/039951A1 |
A refrigerating/air-conditioning device in which at least the followings are realized: first, foreign matters do not return to a compressor from an accumulator in piping cleaning operation, and secondly, foreign matters are recovered in ...
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WO/2007/006044A1 |
A method and apparatus (10) for servicing refrigeration system (12) which provides a single device for recovering and reclaiming refrigerant, flushing the refrigerant system with solvent, and recharging the system with refrigerant. Refri...
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WO/2006/129034A2 |
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...
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WO/2006/128263A1 |
A heat pump system includes a compressor, a reversing valve, an outdoor heat exchanger and an indoor heat exchanger in a circuit, and a refrigerant-to-water heat exchanger. In the air cooling with water heating mode, the air heating with...
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WO/2006/118140A1 |
There are provided a configuration and update method for rapidly detoxifying an acid component remaining in an existing coolant piping of an air conditioner of separate type when updating an indoor unit or outdoor unit while using the ex...
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WO/2006/115625A1 |
A refrigerant charging system (10) and method for charging a refrigeration system with refrigerant includes a refrigerant source (12) , one or more cartridges (14) , an input line (16) , an output line (18) , and a scale (36) preferably ...
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WO/2006/113069A1 |
A charging system for charging a refrigeration system of a vehicle includes a refrigerant source, a coupler, a line, and a control valve. The coupler is adapted for connection to a connection point on the refrigeration system. The line f...
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WO/2006/091390A2 |
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 ...
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WO/2006/087902A1 |
A use side circuit (12) and a heat source side circuit (11) are connected by connection piping (45) to form a refrigerant circuit (10), and then, in a connection piping cleaning process, a compressor (21) is operated to circulate a refri...
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WO/2006/084930A1 |
The invention relates to a device for the recovery of oil and/or coolant from installations comprising a refrigeration cycle, of the type that comprises means for connecting to the installation, means for expanding a refrigerant substanc...
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WO2005117515B1 |
An apparatus (12) and method for injecting sealant mixtures based on organosilanes into a hermetically sealed refrigeration and air conditioning systems are described. The mixtures are injected at controlled flow rates and viscosity to p...
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WO/2006/066580A1 |
When according to the invention, using a method and a system comprising a compressor (4) for filling CO2 into an air conditioning system (18) via an oil filter (5) and a gas cooler (6), CO2 may be pumped to an internal pressure container...
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WO/2006/065567A2 |
An apparatus for separating an oil from a refrigerant has a housing, an inlet conduit for receiving a refrigerant/oil mixture, a separator medium, a refrigerant outlet conduit, and an oil outlet conduit. The inlet conduit has an inlet ex...
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WO/2006/055091A1 |
A charging system for charging a refrigeration system of a vehicle (32) includes a controller (28), a refrigerant source (12), at least one line (16) fluidly connecting the refrigerant source to the refrigeration system; a control valve ...
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WO/2006/055092A1 |
A refrigerant charging system (10) and method for charging a refrigeration system (32) with a vapor-phase refrigerant includes a refrigerant source (12), an input line (16), a sensor (19) and a pressure regulator (18). The input line (16...
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WO/2006/039066A2 |
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 ...
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WO/2006/032935A1 |
In heat pumps, where the heating and the cooling- working- moods are changed inturns, the liquid phase of the working medium is to be collected, from the indoor and from the outdoor units. According to this invention, this function is ...
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WO/2006/019445A1 |
A refrigerant charging system for charging a refrigeration system with refrigerant includes a refrigerant source, a storage vessel, input and output lines, and a device for detecting mass of refrigerant within the storage vessel. The inp...
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WO/2006/019458A1 |
A method and system for discharging refrigerant, such as carbon dioxide, from an air conditioning system. The discharge rate of the refrigerant from the air conditioning system is controlled by a discharge rate controller, even as refrig...
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WO/2006/019527A1 |
A refrigerant charging system and method for charging a refrigeration system with refrigerant includes a refrigerant source (12), one or more cartridges (14), an input line (16), a scale (36), a pressure sensor (28) and a temperature sen...
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WO/2006/014773A2 |
A method for detecting and predicting refrigerant level includes the steps of determining an estimated value for a parameter indicative of refrigerant level and comparing that estimated value to an actual value. The difference between th...
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WO/2005/119140A1 |
The invention relates to a method for washing cooling or air conditioning circuits (27), according to which a washing agent is conducted through said cooling or air conditioning circuit (27). Said agent dissolves and absorbs the soluble ...
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WO/2005/116543A2 |
An apparatus and methodology for abating fungi in a building (1) supported on a ground surface and having an upper enclosed living space (12) and a lower enclosed space (16) beneath the upper enclosed space (12) and proximate or beneath ...
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WO/2005/113807A2 |
A leak detection dye carrier is formed using a two-stage process (53). In a first stage, the dye carrier (52) is saturated with a mixture (54) of a dye powder and an evaporable solvent, such as alcohol. The solvent is permitted to evapor...
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WO/2005/113408A2 |
A container, a method for dispensing a fluid contained in the container and a valve are disclosed. The container includes a valve that permits the contents of tlhe container to be dispensed and re-sealed after use. In some embodimcnts, t...
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WO/2005/108884A1 |
Storage container (30) comprising: an inner surface (32) defining a storage compartment (33); an outer surface (31) defining an external surface of the container; a cavity (34) disposed between the inner and outer surfaces for receiving ...
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WO/2005/093345A1 |
An air conditioning, heating or refrigeration system includes a controller that automatically determines if refrigerant amount is above or below the desired amount within the system. In one example, a sensor measures the temperature diff...
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WO/2005/089121A2 |
A PID control for a vapor compression system utilized to heat water identifies a particular range of error signals and derivative of the error signals that could be indicative of the cycle moving in an inefficient direction. If this dete...
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WO/2005/078364A1 |
An enclosed oil separating tank (2) for separating combustible refrigerant recovered from a refrigerating cycle from refregerating machine oil, vacuum units (4, 6) for sucking gas in the oil separatating tank (2) to produce vacuum in the...
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WO/2005/073646A1 |
An automotive air conditioning refrigerant recycling system incorporates an improved upstream oil separator (11) that removes virtually all contaminating lubricants from a refrigerant stream before the refrigerant is delivered to sensiti...
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WO/2005/066556A1 |
An air conditioning or refrigeration system includes an attached refrigerant receptacle associated with the system. During shipment or storage, the pressure within the system may exceed a selected threshold for the low pressure side. Und...
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WO/2005/062813A2 |
An accumulator acts as a buffer to prevent over-pressurization of the vapor compression system while inactive. By determining the maximum storage temperature and the maximum storage pressure a system will be subject to when inactive, a d...
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WO/2005/057099A1 |
Carbon dioxide refrigerant is circulated through a vapor compression system including a compressor, a gas cooler, an expansion device, and an evaporator. Carbon dioxide is extracted from a vehicle exhaust stream that includes combustion ...
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WO/2005/052472A1 |
A refrigerating apparatus, wherein the capacity of a compressor (21) is set based on a Froude number Fr during the washing operation. The Froude number represents the ratio of the inertia force of a gas refrigerant flowing in a gas side ...
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WO/2005/047782A1 |
An air conditioning system includes a supplemental storage container that allows for transferring refrigerant into or out of an air conditioning or refrigeration system based upon different operating conditions. In one example, a control...
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WO/2005/044604A2 |
An apparatus, system and method for servicing a coolant system, such as, an automobile air conditioner are disclosed. In one embodiment, the apparatus may comprise a device for measuring a parameter of the coolant system; and means for s...
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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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