Electromagnetic control valve for a pressure fluid and associate

Details Electromagnetic control valve for a pressure fluid and associate Electromagnetic control valve for a pressure fluid and associate

1986-12-17

1988-03-08

Cohan, Alan

Fluid handling

Pressure modulating relays or followers

25112908, 25112921, G05D 1600

Patent

active

047293977

ABSTRACT:
An electromagnetic control valve for controlling the discharge of pressure fluid as a function of electrical voltage applied to an magnetic circuit for the adjusting and regulating of the pressure in a pressure chamber, the electromagnetic force produced by the applied voltage acting in the closing direction of the valve while a hydraulic force from the pressure fluid acts in the opening direction thereof. The magnitude of the electromagnetic force in the closed position of the valve exceeds the force of the pressure fluid and the electromagnetic force is adjustable by varying the air gap in the magnetic circuit.

REFERENCES:
patent: 2947284 (1960-08-01), Nicholson
patent: 3413997 (1968-12-01), Taylor
patent: 3621862 (1971-11-01), Wojtecki
patent: 3795383 (1974-03-01), Lombard
patent: 3982554 (1976-09-01), Saito
patent: 4556085 (1955-12-01), Warrick
patent: 4579137 (1986-04-01), Brandt

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