Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor
Patent
1975-07-28
1976-11-02
Rosenthal, Arnold
Valves and valve actuation
Fluid actuated or retarded
Pilot or servo type motor
251 38, 251130, F16K 3106
Patent
active
039892220
ABSTRACT:
A power operated valve comprises a valve body having an inlet chamber and an outlet chamber, a movable valve element for selectively controlling a passage of fluid from the inlet chamber to the outlet chamber and an actuator rod for moving the valve element. A solenoid structure is removably mounted on the valve body for reciprocating the rod having a plunger positioned on the same axis as of the rod to be detachably connected with it. A manually operated knob is removably mounted on the solenoid structure for reciprocating the rod having a knob shaft positioned on the same axis as of the plunger to be detachably connected with it.
REFERENCES:
patent: 1793252 (1931-02-01), Roth
patent: 2111230 (1938-03-01), Toussaint
patent: 2652855 (1953-09-01), Wright
patent: 2687869 (1954-08-01), Kanuch
patent: 2695154 (1954-11-01), Dillman
patent: 3114532 (1963-12-01), Gray et al.
patent: 3421546 (1969-01-01), Jennings et al.
Oujevolk George B.
Rosenthal Arnold
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