Heating and air conditioning fan sensor control

Details Heating and air conditioning fan sensor control Heating and air conditioning fan sensor control

1987-10-29

1988-09-27

Tanner, Harry B.

Automatic temperature and humidity regulation

Hot-air furnace

Air and fire control

236DIG9, 62231, 165 12, 165 26, F24N 1910

Patent

active

047735872

ABSTRACT:
A device is disclosed which causes a fan of a heating and/or air conditioning system to continue to run until the temperature in the duct work of the system reaches a desired temperature, so as to remove all heated and/or cooled air from the system, however, the device is designed so as to not cause the fan to be actuated due to changes in the duct work temperature which are due to changes in outside temperature or causes other than the operation of the system. A sensor which is located in the duct work controls the operation of the fan in response to temperature changes only if the sensor control circuit is first energized by the operation of the system.

REFERENCES:
patent: 3921899 (1975-11-01), Hamilton
patent: 4136730 (1979-01-01), Kinsey
patent: 4167966 (1979-09-01), Freeman
patent: 4369916 (1983-01-01), Abbey

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