Cartridge solenoid valve with manual override

Details Cartridge solenoid valve with manual override Cartridge solenoid valve with manual override

1983-02-24

1985-10-01

Cohan, Alan

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

251 32, 251130, F16K 3105

Patent

active

045441286

ABSTRACT:
A valve structure (10) wherein a main valve (11) is controlled by a pilot valve (15) which is normally selectively positioned by the coaction of a solenoid coil (17) and plunger (16). A manual override structure (22) is provided for selectively permitting normal control of the pilot valve by the solenoid, or causing a fast repositioning of the plunger against the action of the normal biasing spring 50 thereof.

REFERENCES:
patent: 2020833 (1935-11-01), Hansen
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patent: 2665708 (1954-01-01), Ghormley
patent: 2695154 (1954-11-01), Dillman
patent: 3016920 (1962-01-01), Thomsen et al.
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patent: 3306570 (1967-02-01), Cooksley
patent: 3407845 (1968-10-01), Cooksley
patent: 3477687 (1969-11-01), Doutt
patent: 3604681 (1971-09-01), Verderber
patent: 3829059 (1974-08-01), Rupert

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