Control apparatus for warm up cycle of air distribution system

Details Control apparatus for warm up cycle of air distribution system Control apparatus for warm up cycle of air distribution system

1976-07-22

1978-02-14

Wayner, William E.

Automatic temperature and humidity regulation

Ventilator type

236 80R, 236 87, F24F 1104

Patent

active

040734331

ABSTRACT:
Apparatus to override the primary pneumatic circuitry of an air distribution system during warm up cycles. Means are provided for nullifying the pressure signal, indicative of ambient temperature, to which the flow controller responds. In the preferred embodiment, the override means comprises a bimetallic helical element which operates to bleed the pneumatic thermostat's air supply, thereby reducing the temperature indicative signal to zero.

REFERENCES:
patent: 3743180 (1973-07-01), Perkins et al.
patent: 3779275 (1973-12-01), Ley et al.
patent: 3806027 (1974-04-01), Ginn et al.

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