Check valve having temperature response

Details Check valve having temperature response Check valve having temperature response

1974-10-18

1976-01-06

Dority, Jr., Carroll B.

Automatic temperature and humidity regulation

Snap-acting

Including a permanent magnet

137519, 236101, 236 87, 251 75, G05D 2310

Patent

active

039306135

ABSTRACT:
A thermally sensitive check valve is disclosed in which a bimetallic snap disc functions in one position as the check valve element and in another position to either maintain the valve open as in one illustrated embodiment, or to maintain the valve closed as illustrated in another embodiment. By combining the check valve function and the valving function in a single bimetallic snap disc, a simple and reliable device is provided.

REFERENCES:
patent: 1848031 (1932-03-01), Spencer
patent: 1923882 (1933-08-01), Pickup
patent: 2585863 (1952-02-01), Smith
patent: 3450342 (1969-06-01), Arledge, Jr.
patent: 3704697 (1972-12-01), Weymann
patent: 3734403 (1973-05-01), Eshelman et al.
patent: 3856259 (1974-12-01), Doherty, Jr.

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