Nonfreezing plunger for solenoid valve

Details Nonfreezing plunger for solenoid valve Nonfreezing plunger for solenoid valve

1991-09-30

1992-11-10

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

Including solenoid

251 84, 251368, 251356, F16K 148, F16K 3106

Patent

active

051617781

ABSTRACT:
Solenoid valve employing a loosely mounted rubber insert in a confining recess of the plunger for sealing an inlet port during closed condition of the valve. In case of adherence at the sealing surface of the inlet port with the rubber insert, initial acceleration of the plunger establishes an inertia impact to effectively break the bond, even at extremely low temperature.

REFERENCES:
patent: 3542333 (1970-11-01), Stampfli
patent: 3549119 (1970-12-01), Sellers
patent: 3905689 (1975-09-01), Mylander
patent: 4159026 (1979-06-01), Williamson

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