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Class Information
Number: 236/13
Name: Automatic temperature and humidity regulation > Mixing fluid of dissimilar temperature > Plenum type
Description: Devices controlling the mixing of warm and cold air in the plenum type of heating systems according to the temperature of the hot or cold air, mixed air, or apartment to be heated.

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8397527 Energy saving integrated lighting and HVAC system Mar. 19, 2013
8302874 Waste heat reusing system Nov. 6, 2012
8209066 Environmental control system for precision airborne payloads Jun. 26, 2012
8091623 Air mixer vent Jan. 10, 2012
7967063 Air conditioning apparatus for vehicle Jun. 28, 2011
7954540 HVAC assembly including temperature mixing valve Jun. 7, 2011
7866174 Refrigerator having cold air circulating apparatus and control method of circulating cold air Jan. 11, 2011
7854135 Fully articulated and comprehensive air and fluid distribution, metering, and control method and apparatus for primary movers, heat exchangers, and terminal flow devices Dec. 21, 2010
7802734 Packaged air handling system for fully integrated heat exchange optimization Sep. 28, 2010
7775451 Variable flow mixing valve Aug. 17, 2010
7275586 Heating or air-conditioning system for a motor vehicle Oct. 2, 2007
7201220 Air-conditioning unit without air-mix door Apr. 10, 2007
7061202 Automobile servomotor controller Jun. 13, 2006
7017659 Vehicle air-conditioning system Mar. 28, 2006
7005821 Servomotor controller Feb. 28, 2006
6971440 Heating or air-conditioning system for a motor vehicle Dec. 6, 2005
6945323 Automotive air conditioning system Sep. 20, 2005
6921047 Aircraft air conditioning system mixer Jul. 26, 2005
6849234 System and method for controlling an ultraviolet air treatment device for return air duct applications Feb. 1, 2005
6789617 Air mix damper device and vehicle air conditioner Sep. 14, 2004
6779735 Air ventilation control system Aug. 24, 2004
6718650 Personal dryer Apr. 13, 2004
6718277 Atmospheric control within a building Apr. 6, 2004
6609563 Vehicular air conditioning apparatus including a detachably installed mix door assembly Aug. 26, 2003
6318096 Single sensor mixing box and methodology for preventing air handling unit coil freeze-up Nov. 20, 2001
6304803 HVAC control system for an automobile Oct. 16, 2001
6296193 Controller for operating a dual duct variable air volume terminal unit of an environmental control system Oct. 2, 2001
6241154 Air conditioning device Jun. 5, 2001
6179044 Vehicle air-conditioning device Jan. 30, 2001
6112807 System and method for defogging a vehicle window Sep. 5, 2000
6079626 Terminal unit with active diffuser Jun. 27, 2000
6019288 Heating or air conditioning unit Feb. 1, 2000
6016964 Air-mix door control device for automobile air-conditioning system Jan. 25, 2000
6012515 System and method for automatically controlling cabin air temperature in an aircraft Jan. 11, 2000
5988515 Air conditioning system and method for vehicles Nov. 23, 1999
5908154 Air conditioning apparatus in an air conditioning system for use in a vehicle Jun. 1, 1999
5904293 Air mix controller of automobile air conditioner May. 18, 1999
5850873 Method for reducing vapor generation in a temperature controlled liquid holding tank Dec. 22, 1998
5848640 Apparatus for controlling the temperature of fuel in a motor vehicle fuel tank Dec. 15, 1998
5833133 Microprocessor-controlled semi-automatic temperature control device Nov. 10, 1998
5820020 Air-mixing door opening-degree control device for an automotive vehicle air-conditioning system Oct. 13, 1998
5803355 Control system of automotive air conditioning device Sep. 8, 1998
5558274 Dual duct control system Sep. 24, 1996
5425502 VAV air conditioning system with a by-pass air supply fan Jun. 20, 1995
5407002 Multiple-zone air circulation control system Apr. 18, 1995
5359860 Method and apparatus for controlling a temperature in a refrigerating chamber of a refrigerator Nov. 1, 1994
5350113 Air flow control system and method for a dual duct system Sep. 27, 1994
5346127 Air conditioning system with enhanced dehumidification feature Sep. 13, 1994
5342027 Damper position control device for automotive air conditioning system Aug. 30, 1994
5337574 Heating and cooling system for a building Aug. 16, 1994

1 2 3 4

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