Automatic and manual actuator

Details Automatic and manual actuator Automatic and manual actuator

1983-05-02

1985-09-03

Lyddane, William E.

Valves and valve actuation

Electrically actuated valve

Rotary electric actuator

251248, 74406, F16K 3102

Patent

active

045387893

ABSTRACT:
Apparatus usable in controlling, both automatically and manually, a valve stopper movable between first and second positions to control fluid flow through the valve, comprises

REFERENCES:
patent: Re30224 (1980-03-01), Ortega
patent: 2327980 (1943-08-01), Bryant
patent: 3180168 (1965-04-01), Harris
patent: 3334859 (1967-08-01), Raymond
patent: 4339110 (1983-07-01), Ortega

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