Safety valve with reset

Details Safety valve with reset Safety valve with reset

1987-04-08

1988-05-24

Nilson, Robert G.

Fluid handling

Control by change of position or inertia of system

With second control

137 681, 137 73, 137 75, 137901, F16K 1736

Patent

active

047459409

ABSTRACT:
A flow controlling valve is provided for disposition within a pipeline or the like which may be subject to excessive vibrations and/or temperature and the valve includes a valve member shiftable between open and closed positions, yieldingly biased to the closed position and retained in an open position through the utilization of frangible retaining means having a first portion connected to the valve member and a second portion anchored relative to the body of the valve through the utilization of a fusible link.

REFERENCES:
patent: 1022119 (1912-04-01), Barton
patent: 2054563 (1936-09-01), Hansen
patent: 2158753 (1939-05-01), Hansen
patent: 2223097 (1940-11-01), Ehret
patent: 2615461 (1952-10-01), Crow
patent: 2713870 (1955-07-01), Baker
patent: 2853089 (1958-09-01), Bair
patent: 2884938 (1959-05-01), Hildebrandt
patent: 3877476 (1975-04-01), Mills
patent: 4488566 (1984-12-01), Hicks
patent: 4535796 (1985-08-01), Terrones
patent: 4549717 (1985-10-01), Dewaegkeneire

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