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Class Information
Number: 62/160
Name: Refrigeration > Automatic control > Selective heating or cooling > Reversible cycle machine
Description: Apparatus comprising means to reverse flow through a refrigeration producing cycle so as to reverse the function of the heat absorbing or rejecting means of the cycle.










Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8607582 Controlling chilled state of a cargo Dec. 17, 2013
8607855 Cooling system for a motor vehicle Dec. 17, 2013
8549867 Heat pump control system using passive defrost Oct. 8, 2013
8516841 Heating and air conditioning unit for an automotive vehicle Aug. 27, 2013
8424333 Air conditioner Apr. 23, 2013
8417386 System and method for defrost of an HVAC system Apr. 9, 2013
8393172 Heat pump drying machine Mar. 12, 2013
8347644 Air conditioning system Jan. 8, 2013
8290628 Air conditioner and method for controlling the same Oct. 16, 2012
8171747 Refrigeration device May. 8, 2012
RE43312 Refrigeration cycle apparatus Apr. 17, 2012
8157183 Expansion valve, heat pump type refrigeration cycle apparatus, and air handling unit Apr. 17, 2012
8157184 Expansion valve, heat pump type refrigeration cycle apparatus, and air handling unit Apr. 17, 2012
8151583 Expansion valve control system and method for air conditioning apparatus Apr. 10, 2012
8117858 Air conditioner Feb. 21, 2012
8109105 Refrigerating air conditioning system, method of controlling operation of refrigerating air conditioning system, and method of controlling amount of refrigerant in refrigerating air conditioni Feb. 7, 2012
8104299 Air conditioner Jan. 31, 2012
8091377 Simultaneous heating/cooling multi air conditioner Jan. 10, 2012
8079405 Air conditioning apparatus for vehicle Dec. 20, 2011
8047011 Refrigeration system Nov. 1, 2011
8047014 Humidity control system Nov. 1, 2011
8028535 System for efficient fluid depressurisation Oct. 4, 2011
8020394 Air conditioner and control method thereof Sep. 20, 2011
7987679 Air conditioning apparatus Aug. 2, 2011
7984617 Method of controlling compressor for refrigerator and apparatus thereof Jul. 26, 2011
7963117 DC-powered HVAC system Jun. 21, 2011
7937960 Humidity controller utilizing the pressure differential sensors for varying the compressor capacity May. 10, 2011
7903414 Air volume control module for vehicular air conditioning apparatus Mar. 8, 2011
7895850 Modulating proportioning reversing valve Mar. 1, 2011
7874499 System and method to control sensible and latent heat in a storage unit Jan. 25, 2011
7854390 Expansion valve, heat pump type refrigeration cycle apparatus, and air handling unit Dec. 21, 2010
7849698 Method and apparatus to sense and establish operation mode for an HVAC control Dec. 14, 2010
7832466 Water supply system Nov. 16, 2010
7810339 Air conditioner and method of controlling air conditioner Oct. 12, 2010
7810342 Air conditioning system Oct. 12, 2010
7757508 Super energy saver heat pump with dynamic hybrid phase change material Jul. 20, 2010
7739882 Variable speed control Jun. 22, 2010
7617694 Apparatus and method for controlling super-heating degree in heat pump system Nov. 17, 2009
7607317 Air conditioner with oil recovery function Oct. 27, 2009
7559206 Supercritical heat pump cycle system Jul. 14, 2009
7540163 Prevention of flooded starts in heat pumps Jun. 2, 2009
7530390 Air conditioner for a motor vehicle May. 12, 2009
7520320 Automotive air conditioning system Apr. 21, 2009
7454919 Hot-water supply apparatus Nov. 25, 2008
7438501 Ground freezing installation accommodating thermal contraction of metal feed pipes Oct. 21, 2008
7380411 Heat source unit with switching means between heating and cooling Jun. 3, 2008
7380588 Heat pump control system and method of operating to provide automatic backup heating modes Jun. 3, 2008
7377119 Air conditioning system and control method thereof May. 27, 2008
7373783 Outdoor unit of air conditioner and controlling method for the same May. 20, 2008
7356998 Flash tank of two-stage compression heat pump system for heating and cooling Apr. 15, 2008

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