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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
4697734 Air-mix door control apparatus for an air conditioner for automobile Oct. 6, 1987
4691760 Cooling and visor defogging system for an aircraft pilot and crew Sep. 8, 1987
4673029 Zoned heating and air conditioning system Jun. 16, 1987
4671458 Air conditioning apparatus Jun. 9, 1987
4659010 Thermostatic transducer Apr. 21, 1987
4659009 Environmental control system with humidity control and method Apr. 21, 1987
4649709 Temperature control method and apparatus for air conditioner Mar. 17, 1987
4648551 Adaptive blower motor controller Mar. 10, 1987
4646531 Refrigerator temperature control apparatus Mar. 3, 1987
4646964 Temperature control system Mar. 3, 1987
4646962 Rotational means for automatic damper means Mar. 3, 1987
4635445 Air-conditioner Jan. 13, 1987
4611756 Controller for fan motor of air conditioner Sep. 16, 1986
4609176 Fluid flow control system with pulse driven electric control valve Sep. 2, 1986
4607789 Proportional motor drive control Aug. 26, 1986
4602739 Ventilation control apparatus for animal enclosure and method Jul. 29, 1986
4602675 Air conditioner for automotive vehicle or the like Jul. 29, 1986
4585163 Variable air volume system control Apr. 29, 1986
4583683 Air conditioning system utilizing a Karman vortex detecting type flowmeter Apr. 22, 1986
4580620 Controlling the airflow rate in an air conditioner Apr. 8, 1986
4578958 Consumption metering system for an air conditioning system Apr. 1, 1986
4571950 Method for controlling air-conditioner Feb. 25, 1986
4572430 Air conditioner for vehicular seat Feb. 25, 1986
4560103 Apparatus for heating and ventilating Dec. 24, 1985
4557418 Energy conservation conditioned air system Dec. 10, 1985
4553696 Air conditioning apparatus Nov. 19, 1985
4549601 Variable volume multizone system Oct. 29, 1985
4546917 Temperature and hygrometry control and regulation interface Oct. 15, 1985
4543891 Apparatus and process for heat treatment Oct. 1, 1985
4543796 Control and method for tempering supply air Oct. 1, 1985
4537245 Zone air-conditioning control system for motor vehicle compartment Aug. 27, 1985
4535601 Environmental control system Aug. 20, 1985
4533080 Air terminal--air handler interface Aug. 6, 1985
4530395 Single zone HVAC controlled for operation in multiple zone arrangement Jul. 23, 1985
4528819 Exhaust control for cryogenic freezer Jul. 16, 1985
4526318 Proportional fluid exchanger and recirculator Jul. 2, 1985
4523715 Method and apparatus for air conditioner control Jun. 18, 1985
4522335 Method and apparatus for aeration of stored grain Jun. 11, 1985
4518032 Temperature control apparatus for automobile air-conditioning systems May. 21, 1985
4507929 Method and installation for monitoring the temperature in a greenhouse Apr. 2, 1985
4506514 Controlling energy in an air-conditioning system Mar. 26, 1985
4506828 Reversible damper means Mar. 26, 1985
4506829 Variable speed damper means Mar. 26, 1985
4498309 Blower control arrangement for air conditioning unit or the like Feb. 12, 1985
4497240 Temperature control device for a vehicle cabin Feb. 5, 1985
4487254 Temperature control unit for vehicular air conditioning unit Dec. 11, 1984
4487363 Bypass control system to maintain a constant air supply pressure in a HVAC duct system Dec. 11, 1984
4485632 Control circuit for air conditioning systems Dec. 4, 1984
4481451 Electronically controlled positioner for pneumatic actuators Nov. 6, 1984
4479604 Zoned control system Oct. 30, 1984

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