Dual-latching solenoid-actuated valve assembly

Details Dual-latching solenoid-actuated valve assembly Dual-latching solenoid-actuated valve assembly

1994-08-24

1996-06-25

Lee, Kevin

Valves and valve actuation

Electrically actuated valve

With nonelectrical actuator

251 65, 2511291, 25112921, F16K 3108

Patent

active

055292810

ABSTRACT:
A tube-type shutoff valve is electrically positioned to its open or closed position by a concentric electromagnetic solenoid. The valve is dual latching in that the armature of the solenoid maintains the sliding tube of the valve in an open or closed position by means of permanent magnets which are effective when current is not supplied to the solenoid. The valve may also be actuated manually.

REFERENCES:
patent: 2308285 (1943-01-01), Jeffrey et al.
patent: 3502105 (1970-03-01), Ernyei et al.
patent: 5351934 (1994-10-01), Jensen et al.

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