Pressure-regulating valve

Details Pressure-regulating valve Pressure-regulating valve

1976-09-24

1978-10-10

Weakley, Harold W.

Valves and valve actuation

Electrically actuated valve

Remote or follow-up control system for electrical actuator

251282, 251324, 13750518, F16K 3102

Patent

active

041192940

ABSTRACT:
A piston in a valve cylinder has an inlet port connected to a source of high-pressure fluid, opening onto a peripheral recess of its piston between two piston heads of like diameter, and an outlet port leading to a load, this outlet port being adjustably throttled by an edge of one of these piston heads bounding the recess. The piston is electromagnetically displaceable by the core of a solenoid, acting upon one of its ends, against the load pressure prevailing in the outlet port which communicates with an axial bore in the opposite piston end, this bore being closed by an axially slidable plug backstopped by an element fixed to the cylinder.

REFERENCES:
patent: 2270304 (1942-01-01), Jacobsson
patent: 2920647 (1960-01-01), Mercier
patent: 3023773 (1962-03-01), Hasbany
patent: 3174505 (1965-03-01), Bauer
patent: 3502100 (1970-03-01), Jonson
patent: 3517681 (1970-06-01), Davison
patent: 3522818 (1970-08-01), Suchy

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