Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor
Patent
1992-02-27
1992-12-08
Rosenthal, Arnold
Valves and valve actuation
Fluid actuated or retarded
Pilot or servo type motor
251 3001, 251 38, 251 45, 251 65, F16K 3140
Patent
active
051691175
ABSTRACT:
A lower power type, motor-controlled magnetic valve comprising a reversible motor, a speed reducing gear controlled by said reversible motor to move an external magnetic set into a first position in attracting an internal magnetic set or a second position in repulsing said internal magnetic set, causing a plunger to leave from or press against a valve flap, permitting said valve flap to open or close a discharging pipe.
REFERENCES:
patent: 3376013 (1968-04-01), Mallett
patent: 4819682 (1989-04-01), Van Marcke
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