Three-way solenoid valve

Details Three-way solenoid valve Three-way solenoid valve

1984-03-12

1985-08-13

Michalsky, Gerald A.

Fluid handling

Systems

Sequentially closing and opening alternately seating flow...

13759617, 13762565, 137870, F15B 13044

Patent

active

045343829

ABSTRACT:
The invention concerns a solenoid valve with three ways and three positions, having a general construction with symmetry of revolution about an axis (1) and incorporating a magnetic armature (4) which is movable in translation along this axis under the action of an electromagnetic coil (3) and of a return spring (10). This armature is hollow and incorporates internally two valves (56a, 56b), movable relative to one another and relative to the armature (4), separated from one another by a spring (12) and provided with flanges (11a, 11b) by the intermediary of which they can be displaced by the movable armature (4), facing respective fixed seats (7a, 7b) which they are capable of closing. Each valve is pushed to the closed position by the intermediary of a spacer block (13) in point contact at the point (C) with the valve (56b).

REFERENCES:
patent: 3043336 (1962-07-01), Parent et al.
patent: 3542333 (1970-11-01), Stampfli
patent: 3921666 (1975-11-01), Leiber
patent: 3983909 (1976-10-01), Anglade
patent: 3989063 (1976-11-01), Brouwers et al.

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