Solenoid operated valve and shut-off device

Details Solenoid operated valve and shut-off device Solenoid operated valve and shut-off device

1978-05-31

1979-12-25

Weakley, Harold W.

Valves and valve actuation

With correlated flow path

With mounting or support

251 73, 137461, F16K 3102

Patent

active

041802411

ABSTRACT:
A combined solenoid operated valve and shut-off device including a valve housing defining a fluid inlet, a fluid outlet, and a valve seat therebetween. Located within the housing is a valve closure movable between a closed position in which fluid flow between the inlet and outlet is prevented and an open position wherein such flow is permitted. Controlling movement of the valve closure is a valve operator that includes a magnetic plunger for cycling the valve closure between open and closed positions in response to an electrical signal and a shut-off mechanism activatable to lock the valve closure in its closed position in response to a predetermined fluid pressure at the inlet. After activation of the shut-off mechanism, reopening of the valve to initiate fuel flow between the inlet and outlet requires actuation of a manual reset device.

REFERENCES:
patent: 2829861 (1958-04-01), Wright
patent: 3542052 (1970-11-01), Irwin
patent: 3989222 (1976-11-01), Yoshiyasu

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