Solenoid operated pressure regulating valve

Details Solenoid operated pressure regulating valve Solenoid operated pressure regulating valve

1993-01-08

1994-01-11

Michalsky, Gerald A.

Valves and valve actuation

Electrically actuated valve

Including solenoid

25112908, 25112915, 25112917, F16K 3106

Patent

active

052773990

ABSTRACT:
A pressure control device, preferably for use in a control system of an automatic transmission of a motor vehicle, is shown as having a solenoid motor assembly the armature of which, through a cooperating servo orifice, is effective for varying the magnitude of pressure of a fluid medium acting upon a spool slave-like valving member which ultimately provides a fluid medium to associated fluid medium receiving structure; a spring normally urges the armature toward the servo orifice and an adjustable spring seat is operatively engaged with the spring; the adjustable spring seat is formed of at least two pieces.

REFERENCES:
patent: 4527772 (1985-07-01), Kebede et al.
patent: 4750704 (1988-06-01), Brundage
patent: 4783049 (1988-11-01), Northman et al.
patent: 4917150 (1990-04-01), Koch et al.
patent: 4947893 (1990-08-01), Miller et al.
patent: 4954799 (1990-09-01), Kumar
patent: 4988074 (1991-01-01), Najmolhoda
patent: 5051631 (1991-09-01), Anderson

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