Pressure control valve

Details Pressure control valve Pressure control valve

1991-09-20

1994-02-08

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

Having means to produce proportional flow

25112915, F16K 3106

Patent

active

052843173

ABSTRACT:
A pressure control valve has a substantially closed housing, an armature provided with an integrated valve body, a valve seat with which the valve body cooperates, a spring acting on the valve body so that the valve body cooperates with the valve seat, an electromagnet arranged to adjust a control pressure. The magnet armature is somewhat bucket-shaped. A projection extends in an interior of the housing and operates for guiding a magnetic flux. The magnet armature surrounds the projection and is mounted on the valve body in a friction-transmitting manner. A second spring acts on the valve body so as to counteract an action of the first mentioned spring.

REFERENCES:
patent: 4361309 (1982-11-01), Sogabe
patent: 4513945 (1985-04-01), Otsuki et al.
patent: 4909475 (1990-03-01), Triolo et al.
patent: 4966195 (1990-10-01), McCabe

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