Temperature-sensitive snap-action valve

Details Temperature-sensitive snap-action valve Temperature-sensitive snap-action valve

1976-06-16

1977-05-31

Wayner, William E.

Automatic temperature and humidity regulation

Snap-acting

Including a permanent magnet

169 60, G05D 2310

Patent

active

040264653

ABSTRACT:
A temperature-sensitive actuator is operatively connected to a valve by means of a spring-loaded linkage. The actuator causes a tensioned spring in the linkage to pass over center upon the occurrence of a predetermined temperature, thereby fully opening or closing the valve. The invention may be embodied in several forms including an automatic drain for water systems and a fire extinguishing system sprinkler control.

REFERENCES:
patent: 3319646 (1967-05-01), Smulka
patent: 3857446 (1974-12-01), Kenny
patent: 3871457 (1975-03-01), Livingston

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