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| Number | Title | Issue Date |
| 7827808 | Method for washing cooling or air conditioning circuits and device for carrying out said method The invention relates to a method for washing cooling or air conditioning circuits, according to which a washing agent is conducted through said cooling or air conditioning circuit. Said agent dissolves and absorbs the soluble substances that adhere to the cooling o... | 11/09/2010 |
| 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 |
| 7310970 | Refrigerant/oil separator 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 external to the housing and an ... | 12/25/2007 |
| 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 |
| 7303693 | Operating medium for carbon dioxide-cooling systems and air-conditioning systems The invention relates to resource operating medium compositions containing additivated lubricants based on polyalkylene glycols and/or neopentyl polyol esters, which are additivated with alkylated triaryl phosphate esters which are suitable for lubricating refrigera... | 12/04/2007 |
| 7273512 | Process for drying difluoromethane Process for drying wet F32, which comprises placing a stream of the said F32 in continuous contact with a feed stock of a composition comprising a molecular sieve chosen from a 3A type sieve, at a temperature of between 5 and 78° C. and at a pressure of between 0.5... | 09/25/2007 |
| 7254957 | Method and apparatus for cooling with coolant at a subambient pressure According to one embodiment, an apparatus includes a fluid coolant and structure which reduces a pressure of the fluid coolant through a subambient pressure at which the coolant has a cooling temperature less than a temperature of the heat-generating structure. The ... | 08/14/2007 |
| 7249468 | Air conditioning system An air conditioning system has a compressor for compressing a liquid refrigerant to form a high pressure vapor which is fed to a condenser for cooling the vapor so that it returns to liquid state and fed to an evaporator. In the evaporator, the liquid is transformed... | 07/31/2007 |
| 7225627 | Vapor compression system and method for controlling conditions in ambient surroundings A vapor compression system including an evaporator, a compressor, and a condenser interconnected in a closed-loop system and a method of operating such a system. The method includes the conversion of expanded liquid heat transfer fluid from a liquid form to a high q... | 06/05/2007 |
| 7222028 | Increased accuracy gas energy meter Described is a method and a device for more accurate measurement of a gas supply with a gas meter. A consumption-weighted correction factor is determined by weight averaging of a sensor error factor of the gas meter with a consumption profile characteristic of the g... | 05/22/2007 |
| 7216505 | Multiple stage recirculating single feed refrigeration system with automatic pump down A method and apparatus for a recirculating system with single feed that incorporates a liquid transfer vessel that helps prevent the vessels in the system from flooding, provides easy displacement of liquid refrigerant from the flooded vessels while economizing refr... | 05/15/2007 |
| 7214294 | Azeotrope-like compositions of pentafluoropropane and water This invention provides azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and water that are environmentally desirable for use as refrigerants, aerosol propellants, metered dose inhalers, blowing agents for polymer foam, heat transfer media, and gaseous di... | 05/08/2007 |
| 7195463 | Method of installing and renewing an inlet port plate filter in the low pressure side of an automotive air conditioning system A method of installing a removable inlet port filter plate having a replaceable filter between a compressor inlet port and a suction hose assembly is taught. The inlet port filter plate includes a main body and mounting surfaces for attachment between the compressor... | 03/27/2007 |
| 7182754 | Containerless tissue sample collection trap A containerless tissue sample collection trap featuring, in the preferred embodiment, a flexible filter and an applicator having a shaft terminating in a distal end with a channel therein receiving a portion of the flexible filter, the combination of the applicator ... | 02/27/2007 |
| 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 |
| 7165418 | Absorption refrigerator and production method thereof An absorption refrigerator includes a high temperature regenerator for heating a water solution including a halogen compound to generate steam. An oxide film having thickness of 0.02–5.0 μm, one of the colors blue, purple and gray, or a hydroxyl group is formed o... | 01/23/2007 |
| 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 |
| 7137273 | Air chiller unit The invention provides an improved air chiller unit mounted on an aircraft for sending cooled air to service carts used for serving meals. A compressor 20 of a refrigerant equipped in an air chiller unit has a motor 210 and a rotary compressor 220 | 11/21/2006 |
| 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 |
| 7127908 | Polypropylene or polyester plastic desiccant cartridge with fiberglass filter and bead cage ends A desiccant container (2) which comprises a generally cylindrically cross-sectioned cup, two dual-density fiberglass discs (6, 8), desiccant material (4), and a cap (16). The cup includes an outer annular portion, an inner tubular portion... | 10/31/2006 |
| 7124598 | Pressure testing and refrigerant recharging conduit assembly for automobiles A combination pressure measurement/charging system may include a conduit coupled to a refrigerant can. The conduit may be coupled to a low-pressure side of a refrigerant system. The system may include a valve to control a flow of fluid through the conduit. Thus, a f... | 10/24/2006 |
| 7107781 | Pressure testing and refrigerant recharging hose assembly for automobiles A combination pressure measurement/refrigerant charging apparatus may include a shutoff valve that includes a piercing pin and a pressure gauge. The piercing pin may be used to pierce a refrigerant can. The pressure gauge may be used as a handle for operating the sh... | 09/19/2006 |
| 7104087 | Multi-type air conditioner Multi-type air conditioner is disclosed for effective removal of foreign matters in refrigerant pipelines, including an outdoor unit having a compressor, an outdoor heat exchanger, a flow path control valve for controlling a flow path of the refrigerant from the com... | 09/12/2006 |
| 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 |
| 7096679 | Transcritical vapor compression system and method of operating including refrigerant storage tank and non-variable expansion device A transcritical vapor compression system includes a fluid circuit circulating a refrigerant in a closed loop. The fluid circuit has operably disposed therein, in serial order, a compressor, a first heat exchanger, at least one non-variable expansion device and a sec... | 08/29/2006 |
| 7090882 | Antimicrobial salt solutions for food safety applications Antimicrobial salt solutions for food safety and quality applications are disclosed. Because these solutions contain a substantial concentration of salt, they are adaptable to a variety of food-processing applications, such as for chilling brine applications, disinf... | 08/15/2006 |
| 7077968 | Method for continuously filtering raw brine for use in chlor-alkali electrolysis The method of continuously processing raw brine with a solids content to obtain substantially solids-free pure brine (E) for use in chlor-alkali electrolysis. In this method the raw brine (A) is separated, by means of a decanter (1), into a clear brine (B) wi... | 07/18/2006 |
| 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 |
| 7048777 | Method and apparatus for removing waxy materials from a gas stream The invention uses both heating and cooling zones to prevent the precipitation of solids onto equipment surfaces until they are efficiently removed from the gas phase via one or more heat exchangers. Each heat exchanger may be regenerated to melt off the solids when... | 05/23/2006 |
| 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 |
| 7007493 | Front-end integral air-conditioning unit A sub-unit for a vehicle air conditioning system is shipped with a condenser, chiller and fluid lines. Snap together couplings are placed on free ends of the fluid lines whereby the sub-unit can be pre-charged, shipped, installed into the front end of a vehicle engi... | 03/07/2006 |
| 7000691 | Method and apparatus for cooling with coolant at a subambient pressure An apparatus includes heat-generating structure disposed in an environment having an ambient pressure, and a cooling system for removing heat from the heat-generating structure. The cooling system includes a fluid coolant, structure which reduces a pressure of the c... | 02/21/2006 |
| 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 |
| 6937471 | Method and apparatus for removing heat from a circuit An apparatus includes a circuit having a heat-generating circuit component, and structure for guiding a two-phase coolant along a path which brings the coolant into direct physical contact with either the circuit component or a highly thermally conductive part which... | 08/30/2005 |
| 6927312 | Method of removing water from hydrofluorocarbon manufacturing processes Disclosed are improved fluorination processes and fluorine-containing compositions which involve introducing to one or more fluorination process compositions a water reactive agent in an amount and under conditions effective to decrease the amount of water in that c... | 08/09/2005 |
| 6925821 | Method for extracting carbon dioxide for use as a refrigerant in a vapor compression system 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 products of burned hydrocarbo... | 08/09/2005 |
| 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 |
| 6880360 | Compressor systems for use with smokeless lubricant A compression system including a compressor driven by a motor, an optional accumulator, a liquid/gas separator, heat exchangers in the form of a condenser and an evaporator, expansion valves and conduit in the form of piping to connect these components together. The... | 04/19/2005 |
| 6843070 | Refrigerant recycling system with single ball valve A refrigerant handling system includes coupling apparatus for coupling a refrigerant processing apparatus to an automotive air-conditioning system. The coupling apparatus includes a ball valve including a common port and at least two selectable ports, and a valve me... | 01/18/2005 |
