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Class Information
Number: 165/62
Name: Heat exchange > Heating and cooling > Heating and cooling of the same material > Refrigerating system conversion
Description: Apparatus wherein a refrigeration producing system has means to change the same to a heating system.










Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8405009 Defrost heater using strip type surface heat emission element and fabricating method thereof and defrost apparatus using the same Mar. 26, 2013
8188323 Refrigerant compositions containing perfluoropolyethers May. 29, 2012
8117855 Refrigeration system with consecutive expansions and method Feb. 21, 2012
7832466 Water supply system Nov. 16, 2010
7784297 Cooling heating device Aug. 31, 2010
7759532 Refrigerant additive compositions containing perfluoropolyethers Jul. 20, 2010
7337837 Air conditioning system Mar. 4, 2008
7290600 Air-to-air heat pump defrost bypass loop Nov. 6, 2007
7261151 Suction line heat exchanger for CO.sub.2 cooling system Aug. 28, 2007
7117937 Combined refrigerator-oven apparatus Oct. 10, 2006
7114553 Air conditioning system Oct. 3, 2006
6883344 Air-conditioner with both cooling and warming functions Apr. 26, 2005
6840056 Cooling system with adsorption refrigerator Jan. 11, 2005
6831254 Automatic cook sequencing system for multiple ovens with refrigeration unit Dec. 14, 2004
6659361 Temperature control device Dec. 9, 2003
6497276 Combined refrigerator-oven apparatus Dec. 24, 2002
6467539 Universal equipment for the cooling fluid regeneration in heat exchange circuits Oct. 22, 2002
6237681 Vehicle refrigerating cycle apparatus and method for inhibiting cycle corrosion and for facilitating rapid passenger compartment warm-up during low temperature conditions May. 29, 2001
6105375 Refrigerating cycle apparatus with condenser-side refrigerant recovery mode Aug. 22, 2000
5901780 Auxiliary active heating and air conditioning system for motor vehicle applications May. 11, 1999
5678626 Air conditioning system with thermal energy storage and load leveling capacity Oct. 21, 1997
5467812 Air conditioning system with thermal energy storage and load leveling capacity Nov. 21, 1995
5361601 Air conditioner Nov. 8, 1994
RE34747 Absorption refrigeration and heat pump system with defrost Oct. 4, 1994
5291941 Airconditioner having selectively operated condenser bypass control Mar. 8, 1994
5131455 Low power electrical fan motor and heater thermal protection circuit for air conditioner Jul. 21, 1992
4972679 Absorption refrigeration and heat pump system with defrost Nov. 27, 1990
4963499 Method for the calorimetry of chemical processes Oct. 16, 1990
4685510 Pulse combustion engine and heat transfer system Aug. 11, 1987
4522035 Method and apparatus for recovering waste energy Jun. 11, 1985
4519218 Heating system operating on stored energy May. 28, 1985
4444018 Heat pump systems for residential use Apr. 24, 1984
4394959 Multimode heating system and method for heating Jul. 26, 1983
4354549 Induced circulation oven or cooler Oct. 19, 1982
4314668 Method of heating with an absorption heat pump Feb. 9, 1982
4312476 Bivalent heating system Jan. 26, 1982
4312188 Heat pump system Jan. 26, 1982
4295518 Combined air cycle heat pump and refrigeration system Oct. 20, 1981
4273184 Solar heat utilized air-conditioning system Jun. 16, 1981
4269263 Cooling and heating system utilizing solar heat May. 26, 1981
4256475 Heat transfer and storage system Mar. 17, 1981
4246759 Method and apparatus for conditioning air Jan. 27, 1981
4196773 Heating and air cooling system employing a gas turbine Apr. 8, 1980
4178772 Heat pump system Dec. 18, 1979
4178989 Solar heating and cooling system Dec. 18, 1979
4173125 Energy recovery system Nov. 6, 1979
4167965 Integral water-refrigerant-air heat exchange system Sep. 18, 1979
4164850 Combined engine cooling system and waste-heat driven automotive air conditioning system Aug. 21, 1979
4153105 Reversible latent heat storage method, and reversible latent heat accumulator May. 8, 1979
4134448 Heating and air conditioning system Jan. 16, 1979

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