Electrically-operable fluid control valve

Details Electrically-operable fluid control valve Electrically-operable fluid control valve

1988-05-27

1989-07-04

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

13762563, 13762564, F15B 13044

Patent

active

048441252

ABSTRACT:
A first control element is movable to control fluid flow between ports in a housing. A second control element is movable by an electric force motor and engages the first element through biasing springs so that in normal use the elements move in unison. An arrangement of ports and passages in the elements has the effect that relative movement between the elements as a result of jamming of the first element causes fluid pressure to be applied to the first element to overcome the jamming.

REFERENCES:
patent: 1125825 (1915-01-01), Englesson
patent: 2981288 (1961-04-01), Strader
patent: 3253613 (1966-05-01), Richolt
patent: 3768376 (1973-10-01), Orme
patent: 3865140 (1975-02-01), Greenwood
patent: 4526201 (1985-07-01), Geyler et al.

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