Safety Shutoff Valve--electromechanical

Details Safety Shutoff Valve--electromechanical Safety Shutoff Valve--electromechanical

1986-09-15

1988-01-26

Cohan, Alan

Fluid handling

Line condition change responsive valves

Safety cut-off requiring reset

1374875, F16K 17164

Patent

active

047211288

ABSTRACT:
A pressure chamber through which the fuel in the fuel line passes, having a diaphragm moving to advanced position by the pressure in the chamber. A PE cell is arranged with light rays passing through the chamber and when the diaphragm is retracted it breaks the light rays and shuts off the circuit but when it is advanced the light rays are not broken and the circuit is energized. A valve in the fuel line has a closer which is moved to closed position when the circuit is de-energized and it remains closed until opened manually for resetting the circuit.

REFERENCES:
patent: 2442145 (1948-05-01), Ray

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