Pulsation device for a heating or cooling unit

Details Pulsation device for a heating or cooling unit Pulsation device for a heating or cooling unit

1983-02-22

1984-12-04

Wayner, William E.

Automatic temperature and humidity regulation

With timing element

Timer other than clock

62231, F25B 1900, F23N 520

Patent

active

044859660

ABSTRACT:
A heating system, such as a gas fired or oil fired furnace, is operated by a control system which includes a low voltage AC power supply, a low voltage thermostat for sensing the temperature in the space to be heated and a solenoid controlled relay or fuel supply valve. The control system also includes a low voltage pulsation device which is connected in series with the thermostat and solenoid and is effective, when the thermostat closes, to pulsate or cycle the solenoid causing the heating unit to be turned on and off for supplying heat in increments to the heat exchanger within the furnace. The pulsation device is adapted to be quickly and easily installed in the low voltage control circuit for the heating unit or for a cooling unit.

REFERENCES:
patent: 4027171 (1977-05-01), Browder et al.
patent: 4136730 (1979-01-01), Kinsey
patent: 4154397 (1979-05-01), Carlson
patent: 4191328 (1980-03-01), Isaacs et al.
patent: 4197992 (1980-04-01), Klebanoff
patent: 4199023 (1980-04-01), Phillips
patent: 4333519 (1982-06-01), Shafrir et al.
patent: 4423765 (1984-01-01), Hildebrand

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