Electronic gas valve pulsator

Details Electronic gas valve pulsator Electronic gas valve pulsator

1984-03-22

1985-11-12

Tanner, Harry

Automatic temperature and humidity regulation

With timing element

Timer other than clock

236DIG3, F23N 520

Patent

active

045523045

ABSTRACT:
An electrically-operated gas valve in a gas furnace is pulsated between the fully-open and fully-closed position in response to a series of electrical pulses of selectable frequency and duty cycle. The pulses are generated by an electronic timer, which is user-adjustable to select a frequency and duty cycle from a range of frequencies and duty cycles. A switch in series with the gas valve alternately energizes and deenergizes the valve in response to the pulses, whereby the valve is fully-open when energized and fully-closed when deenergized.

REFERENCES:
patent: 4094166 (1978-06-01), Jerles
patent: 4136730 (1979-01-01), Kinsey
patent: 4384461 (1983-05-01), Kurtz
patent: 4423765 (1984-01-01), Hildebrand
patent: 4453590 (1984-06-01), Holliday et al.
patent: 4485966 (1984-12-01), Cartmell et al.

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