Valve construction

Details Valve construction Valve construction

1988-01-04

1989-07-18

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

With means to bias valve open

25112901, 25112908, 25112907, 25112917, F16K 3108

Patent

active

048487252

ABSTRACT:
Fluid flow control valve in which bidirectional displacement of a valve operator is effected by momentary utilization of high current flow in a permanent magnetic flux field and longer term utilization of minimal current flow with in said flux field to maintain valve operator position in limiting displaced condition.

REFERENCES:
patent: 4350319 (1982-09-01), Kawata et al.
patent: 4726389 (1988-02-01), Minoura et al.

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