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Class Information
Number: 236/49.3
Name: Automatic temperature and humidity regulation > Ventilator type > Electrically actuated
Description: Device wherein the means operates the air flow control device by way of electricity.










Patents under this class:
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Patent Number Title Of Patent Date Issued
6732939 Power-based control method for a vehicle automatic climate control May. 11, 2004
6725914 Double duct changeover HVAC system Apr. 27, 2004
6726111 Method and apparatus for centrally controlling environmental characteristics of multiple air systems Apr. 27, 2004
6715690 Slope predictive control and digital PID control Apr. 6, 2004
6715689 Intelligent air-condition system Apr. 6, 2004
6718277 Atmospheric control within a building Apr. 6, 2004
6715306 Concentration cooling apparatus of refrigerator Apr. 6, 2004
6712280 Deep mass compensation for a vehicle automatic climate control Mar. 30, 2004
6711470 Method, system and apparatus for monitoring and adjusting the quality of indoor air Mar. 23, 2004
6705099 Concentration cooling apparatus for refrigerator Mar. 16, 2004
6698663 Model-based method of generating control algorithms for an automatic climate control system Mar. 2, 2004
6698219 Energy-efficient variable-air-volume (VAV) system with zonal ventilation control Mar. 2, 2004
6694761 Cold air supply apparatus of refrigerator Feb. 24, 2004
6695046 Variable speed fan motor control for forced air heating/cooling system Feb. 24, 2004
6695218 Predictive comfort control Feb. 24, 2004
6694759 Pressure control of cooling fluid within a plenum using automatically adjustable vents Feb. 24, 2004
6688531 Method of and system for controlling an air conditioner Feb. 10, 2004
6688384 Heating and cooling energy saving device Feb. 10, 2004
6685099 Cabin air purge strategy Feb. 3, 2004
6684944 Variable speed fan motor control for forced air heating/cooling system Feb. 3, 2004
6676026 System and method for autonomic environmental monitoring, adjusting, and reporting capability in a remote data storage and retrieval device Jan. 13, 2004
6669101 Vehicle air conditioner with automatic air-conditioning control having learning function of manual operation Dec. 30, 2003
6659358 Vehicle air conditioner having surface temperature sensor Dec. 9, 2003
6659359 Grille controlling apparatus for indoor ventilator Dec. 9, 2003
6659638 Dynamic temperature controlled accelerated weathering test apparatus Dec. 9, 2003
6651895 Adaptive automatic climate control method for a motor vehicle Nov. 25, 2003
6644558 Automatic air conditioner having learning function and control method of control system Nov. 11, 2003
6640890 Multiple zone automatic HVAC control system and method Nov. 4, 2003
6637225 Concentrated cooling apparatus and refrigerator having the same Oct. 28, 2003
6640142 System and method for controlling workspace environment Oct. 28, 2003
6634422 Method for controlling an economizer Oct. 21, 2003
6622928 Control system for automotive air conditioner Sep. 23, 2003
6619556 Integrated switch pad and sensor holder/thermal isolator Sep. 16, 2003
6619060 Transient-resistant non-pulsed electronic automotive HVAC fan control Sep. 16, 2003
6616057 Adaptive automatic climate control method for a motor vehicle Sep. 9, 2003
6604688 Air handler with return air bypass for improved dehumidification Aug. 12, 2003
6581847 Variable-air-volume diffuser, actuator assembly and method Jun. 24, 2003
6578770 Thermostat incorporating a carbon dioxide sensor suitable for reading using potentiostat techniques, and environmental control system incorporating such thermostat Jun. 17, 2003
6575378 Solar radiation detection unit and vehicle air conditioner using the same Jun. 10, 2003
6554198 Slope predictive control and digital PID control Apr. 29, 2003
6550686 Vehicle air conditioning system with non-contact temperature sensor Apr. 22, 2003
6527194 Flow control damper Mar. 4, 2003
6524181 Garage venting device Feb. 25, 2003
6505099 Radiant energy control system Jan. 7, 2003
6494381 Cooling fan in sync with audio output level Dec. 17, 2002
6491094 Control for a heating ventilating and air conditioning unit Dec. 10, 2002
6488081 Method for controlling a heating ventilating and air conditioning unit Dec. 3, 2002
6488213 Vehicle air conditioner with control system learning manual control operation of blower voltage Dec. 3, 2002
6481635 Environmental control method Nov. 19, 2002
6474559 Room grating control Nov. 5, 2002

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