Gas valve

Details Gas valve Gas valve

1986-04-16

1987-06-09

Chambers, A. Michael

Valves and valve actuation

Heat or buoyancy motor actuated

251 78, 251 84, 431 66, F16K 3170

Patent

active

046714847

ABSTRACT:
A gas valve having a cantilevered bi-metal arm subject to electrically energized heating regulates fluid flow between a fluid inlet and fluid outlet. A poppet is preloaded for seating with a valve seat and further includes a disc member to inhibit valve teasing. Projecting fingers from the arm operatively engage the disc member to provide consistent, repetitive movement between the poppet, arm, and valve seat so that the valve is uniformly opened and closed under various operating parameters.

REFERENCES:
patent: 3251573 (1966-05-01), Miller et al.
patent: 3442483 (1969-05-01), Schwartz
patent: 3591138 (1971-07-01), Wolfe
patent: 3819146 (1974-06-01), Dobson
patent: 3862820 (1975-01-01), Hantack
patent: 4053136 (1977-10-01), Perl
patent: 4067539 (1978-01-01), Perl
patent: 4102496 (1978-07-01), Perl
patent: 4142553 (1979-03-01), Sakakibara et al.
patent: 4508314 (1985-04-01), Hemme

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