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| Number | Title | Issue Date |
| 7788945 | Air conditioner, heat source unit, and air conditioner updating method An air conditioner is configured by appropriating existing refrigerant pipes of an existing air conditioner to update indoor units and an outdoor unit of a refrigerant circuit of the existing air conditioner. The air conditioner is disposed with an updated refrigera... | 09/07/2010 |
| 7765830 | Automatic discharge device for lithium bromide absorption chillers and methods of using the same The invention teaches an automatic discharge device for a lithium bromide absorption chiller unit, comprising an automatic pump apparatus, a pump chamber, a gas-liquid separation chamber, and a gas storage chamber. A valve F1 is disposed at the outlet line of... | 08/03/2010 |
| 7752868 | Refrigeration unit draining system A refrigeration unit draining system for receiving and directing liquid used to clean a refrigeration unit to a desired disposal area includes a plurality of collectors. Each of the collectors is coupled to a refrigeration unit. Each of the collectors collects liqui... | 07/13/2010 |
| 7357002 | Method for installing refrigeration device, and refrigeration device An air conditioning device has a heat source unit and a utilization unit connected via a refrigerant connection pipe to form a refrigerant circuit, and has a cooler, a secondary receiver, and a separation membrane device. The cooler cools at least a portion of the r... | 04/15/2008 |
| 7347061 | Oil checking device for compressor of air conditioning system An oil checking device for compressor of air conditioning system includes an oil container connected to an high-pressure part of the air conditioning system to receive refrigerant and oil from the high-pressure part, the oil container being formed of a transparent m... | 03/25/2008 |
| 7334415 | Cooling system and method for using cooling system A cooling system is provided having a first heat exchanger for heating a cooling liquid, a second heat exchanger, which preferably comprises an evaporator, for cooling the cooling liquid, and a pump for guiding the cooling liquid through the first and second heat ex... | 02/26/2008 |
| 7334426 | Refrigerating apparatus The capacity of a compressor (21) in cleaning operation is set based on a Froude number Fr. The Froude number Fr expresses a ratio of an inertial force of a gas refrigerant flowing through a gas side communication pipe (70) to a gravity working on a li... | 02/26/2008 |
| 7334607 | Protective cap for a sealing stopper in a collecting vessel of a condenser The invention relates to a protective cap (9) for sealing a collecting vessel of a condenser closed by means of a sealing stopper (4). ... | 02/26/2008 |
| 7322210 | Receiver drier with relief valve The invention provides a relief valve for discharging refrigerant in a receiver drier equipped to an air conditioner of a car. A receiver drier 1 of an air conditioner of a car has an inlet path 44 and an outlet path 46 of refrigerant formed to ... | 01/29/2008 |
| 7310965 | Compressor head, internal discriminator, external discriminator, manifold design for refrigeration recovery apparatus The compressor head, internal and/or external discriminator, and manifold design in general utilize ball valves on the suction and discharge of a cylinder head in the recovery of refrigerant liquid and/or vapor. The device facilitates the flashing of liquid refriger... | 12/25/2007 |
| 7293421 | Method for cooling a product, particularly, for liquefying a gas, and device for implementing this method A method for cooling a product (P) including N ordered adsorption/desorption cycles (100, 200, 300), each cycle having the following steps: expanding a refrigerant in liquid phase from a condenser (101, 201, 301) inside an evaporator (103, 203, 303 | 11/13/2007 |
| 7275392 | Internal cage tube bag A desiccant package for insertion into an integrated condenser dryer chamber of an air conditioning unit. The desiccant package includes an internal cage component which is enclosed inside a porous desiccant-containing bag. The internal cage component comprises an e... | 10/02/2007 |
| 7228888 | Rotatable liquid reservoir for computer cooling In a system for liquid cooling of electronics, where the electronics are subject to rotation in space, a liquid coolant storage tank includes a degassing and vortex-preventing structure to allow bubbles to float to the surface of the liquid inside the tank, and also... | 06/12/2007 |
| 7201016 | Refrigerant supply apparatus A refrigerant supply apparatus for supplying a refrigerant to a cooling target. The apparatus includes a refrigerant supply channel through which pure water as the refrigerant is supplied to the cooling target, an impurity removing unit disposed in an impurity remov... | 04/10/2007 |
| 7178347 | Method for refrigerant and oil collecting operation and refrigerant and oil collection controller 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 heat source side heat ... | 02/20/2007 |
| 7174742 | Combined method and apparatus for recovering and reclaiming refrigerant, solvent flushing, and refrigerant recharging 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. Refrigerant is recov... | 02/13/2007 |
| 7168256 | Apparatus and method for recovery and recycle of optical fiber coolant gas An apparatus and method for recovering and recycling a coolant gas from a heat exchanger. The apparatus comprises a coolant gas recovery section, and analysis section, and a coolant gas blending section. The coolant gas recovery section recovers a coolant gas contai... | 01/30/2007 |
| 7159412 | Compressor head, internal discriminator, external discriminator, manifold design for refrigeration recovery apparatus The compressor head, internal and/or external discriminator, and manifold design in general utilize ball valves on the suction and discharge of a cylinder head in the recovery of refrigerant liquid and/or vapor. The device facilitates the flashing of liquid refriger... | 01/09/2007 |
| 7155920 | Refrigerant cycle with tandem compressors and multiple condensers A tandem compressor system is utilized that receives refrigerant from a common suction manifold, and from a common evaporator. From the compressors, the refrigerant passes to a plurality of condensers, with each of the condensers being associated with a separate zon... | 01/02/2007 |
| 7146825 | Refrigerator Disclosed is a refrigerator comprising: a compressor installed in a machine chamber for compressing refrigerant of low temperature and low pressure into refrigerant of high temperature and high pressure; a condenser upright installed at one inner side of the machine... | 12/12/2006 |
| 7131290 | Non-condensing gas discharge device of condenser Gaseous-phase portion of a condenser contains vapor and a non-condensing gas, such as air, that impedes condensation of the vapor, and a non-condensing gas discharge device of the condenser is arranged to discharge only the non-condensing gas from the condenser. The... | 11/07/2006 |
| 7117691 | Device for controlling liquid level position within condenser in rankine cycle apparatus In a liquid-level-position control device for a condenser in a Rankine cycle apparatus, first and second reference liquid level positions are set. When a position of the fluid level is lower than the first reference liquid level position, water is replenished to a c... | 10/10/2006 |
| 7110260 | Method and apparatus for cooling heat-generating structure An apparatus includes a heat receiving portion which receives heat within a footprint from a heat generating structure, and a cooling arrangement which causes flow of a coolant that absorbs heat at the heat receiving portion, the cooling arrangement being disposed i... | 09/19/2006 |
| 7104086 | Refrigeration apparatus A refrigeration apparatus is provided with a vapor compression type refrigerant circuit. With this apparatus, reliability from the standpoint of the pipe cleaning mode of the apparatus is improved. The air conditioning system has a main refrigerant circuit that has ... | 09/12/2006 |
| 7097435 | Device for draining and recharging a hermetic compressor with oil A method of draining and recharging a hermetic compressor with oil using a drainage assembly mounted in the compressor housing. The assembly includes a tube having a valve mounted at one end thereof with the second end of the tube located in the oil sump of the hous... | 08/29/2006 |
| 7093451 | Blowoff valve assembly with integrated pressure switch A blowoff valve assembly includes a diaphragm separating a refrigerant connection from an ambient port open to the atmosphere. The refrigerant connection is preferably connected to air conditioning system such that the diaphragm is in contact with refrigerant from t... | 08/22/2006 |
| 7089760 | Air-conditioner The air-conditioner includes a compressor configured to compress and discharge a refrigerant. The air-conditioner includes a condenser configured to cool the refrigerant with air outside of a vehicle compartment. The air-conditioner includes a throttle configured to... | 08/15/2006 |
| 7073346 | Compressor head, internal discriminator, external discriminator, manifold design for refrigerant recovery apparatus and vacuum sensor The compressor head, internal and/or external discriminator, and manifold design in general utilize ball valves on the suction and discharge of a cylinder head in the recovery of refrigerant liquid and/or vapor. The device facilitates the flashing of liquid refriger... | 07/11/2006 |
| 7033508 | Contaminant flushing device, system, and method, particularly suited for refrigeration system servicing Fluid decontamination device includes a base having a fluid passage in it. An observation window is provided in the base for allowing a user to observe a fluid in the fluid passage. A differential pressure indicator, such as a vacuum indicator, is operatively connec... | 04/25/2006 |
| 7013660 | System for forming aerosols and cooling device incorporated therein The present invention relates a cooling device of the reverse Carnot cycle-type using a refrigerant, and an aerosol generation system including it. The cooling device includes a refrigerator of the reverse Carnot cycle-type, a cleaning medium conduit, a temperature ... | 03/21/2006 |
| 6994154 | Aluminum heat exchanger In an adsorber for an adsorption type refrigerator of the present invention, aluminum heat exchangers 120, 130 arranged in a casing 110 are provided with films which do not permit moisture to pass therethrough, such as SiO3 films, anodic oxi... | 02/07/2006 |
| 6971246 | Vehicle air conditioner with front and rear air conditioning units In a vehicle air conditioner having front and rear air conditioning units, a refrigerant cycle includes front and rear evaporators for cooling air in a cooling mode, a hot-gas bypass passage through which hot-gas refrigerant discharged from a compressor flows into t... | 12/06/2005 |
| 6957550 | Method and apparatus for extracting non-condensable gases in a cooling system A cooling technique involves: reducing a pressure of a cooling fluid to a subambient pressure at which the cooling fluid has a boiling temperature less than a temperature of a heat-generating structure; bringing the cooling fluid at the subambient pressure into ther... | 10/25/2005 |
| 6952938 | Purge system and method of use A purge system operable to remove lubricant from a liquid refrigerant material removed from an evaporator of a mechanical refrigeration system. The contaminated liquid refrigerant is delivered to the purge system by gravity and the separated lubricant is returned to... | 10/11/2005 |
| 6952924 | Rankine cycle apparatus Rankine cycle apparatus, having closed working medium circulation circuitry, includes a collection mechanism for collecting a working medium leaked or discharged out of the circulation circuitry. The working medium collected via the collection mechanism is stored in... | 10/11/2005 |
| 6941767 | Compression mechanism oil equalizing circuit, refrigeration system heat source unit, and refrigeration system provided with the same The present invention provides an oil equalizing circuit that can improve the reliability of the oil supply to the compression mechanisms in a refrigeration system provided with a plurality of compression mechanisms. The compressor group of the air conditioning syst... | 09/13/2005 |
| 6904770 | Multi-function condenser A multi-function condenser for an air conditioning system includes a first header, a second header, a plurality of tubes, and a conduit. The tubes extend in parallel relationship between the headers for establishing fluid communication between the first header and t... | 06/14/2005 |
| 6901770 | Removable filter dryer with capacity indicator for vapor compression systems A refrigerant filter/dryer assembly isolates, removes, and replaces a filter/dryer core, and allows the vapor-compression heat pump system to continue to operate while the filter/dryer is being replaced. The refrigerant flow is automatically by-passed and the filter... | 06/07/2005 |
| 6877337 | Product for the cleaning of refrigeration installations, method and device for purging of the same The invention relates to a cleaning fluid for a refrigeration plant, characterized in that it comprises a cleaning oil mixed with a liquefied carrier gas with which it forms, by expansion, a cleaning foam, for example the oil is a POE or a PAG and the gas is R134a. | 04/12/2005 |
| 6826925 | Apparatus for collecting and purifying refrigerant in air conditioning systems An apparatus (100) for collecting and purifying a refrigerant fluid in air conditioning systems, comprising a first tubular body (110), used as evaporator and separator of impurities of refrigerant (130) coming... | 12/07/2004 |
