Electromagnetically actuated quick-action switching valve

Details Electromagnetically actuated quick-action switching valve Electromagnetically actuated quick-action switching valve

1991-02-14

1992-05-19

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

Including solenoid

25112921, 251333, F16K 3106

Patent

active

051141167

ABSTRACT:
An electromagnetically actuated, quick-action hydraulic switching valve has a pressure-balanced seating valve arrangement and an electromagnetic actuator means. The electromagnetic actuator means comprises a core and an armature for actuating the valve, the core and the armature defining a working air gap. The armature is part of the core and is in the form of a sleeve member mounted slidably on a guide pin which is pressed in position in the housing. The seating valve arrangement is formed by an annular edge defined by a central bore in the armature on the one hand and on the other hand, either a taper surface on the guide pin or a ball with a bore therethrough. Using the same armature, the valve can be designed to operate either as a valve which is open in the currentless condition or as a valve which is closed in the currentless condition.

REFERENCES:
patent: 3285285 (1966-11-01), Bielefeld
patent: 3588039 (1971-06-01), Chelminski et al.
patent: 4529165 (1985-07-01), Lehrach
patent: 4531708 (1985-07-01), Livet
patent: 4655249 (1987-04-01), Livet

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