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Matches 251 - 300 out of 2,928

Document Document Title
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...  
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 ...  
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...  
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.  
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...  
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 ...  
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...  
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 (...  
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 ...  
WO/2006/047547A3
A portable refrigeration unit for cooling a refrigerated space (50), the unit comprising an evaporator unit (30) that is separable from a condensing unit (20), the evaporator unit (30) and condenser unit (20) being connected by extended ...  
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...  
WO/2006/031514A3
A reversible cooling/heating system has an in-line accumulator/dryer unit. The accumulator/dryer unit has a body having first and second ports. A foraminate conduit is positioned at least partially within the body. A dessicant at least p...  
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...  
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...  
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...  
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 ...  
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...  
WO2005044604A3
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...  
WO2005089121A3
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
WO2005113807A3
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...  
WO2005117515A3
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...  
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 ...  
WO2005116543A3
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 ...  
WO/2006/032935A1
In heat pumps, where the heating and the cooling- working- moods are changed inĀ­turns, 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 ...  
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...  
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...  
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...  
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...  

Matches 251 - 300 out of 2,928