Double acting electromagnetic valve

Details Double acting electromagnetic valve Double acting electromagnetic valve

1975-12-29

1978-09-19

Cohen, Irwin C.

Fluid handling

Systems

Multi-way valve unit

13762565;625.5, 251137, 251139, F16K 1100

Patent

active

041146484

ABSTRACT:
A double acting electromagnetic valve is composed of a tubular main body internally having a valve chamber, a pair of magnetic cores each having a concentric polar arrangement thereby to provide an E-shaped axial section, secured respectively on both sides of the main body, the cores being made of a magnetic material exhibiting high residual magnetism, a magnetic member slidably received in the valve chamber, two coils each encased in an annular recess formed between the central pole leg and the circumferential pole leg of the magnetic core, fluid passages provided through the central pole legs of the magnetic cores, a valve seat formed at an end of each fluid passage exposed to the valve chamber, and valve means provided on the slidable magnetic member to abut against the valve seats.

REFERENCES:
patent: 2682386 (1954-06-01), Lindsay
patent: 2983278 (1961-05-01), Heintz
patent: 3339664 (1967-09-01), Beveridge et al.
patent: 3378121 (1968-04-01), Foret
patent: 3383084 (1968-05-01), Mayfield
patent: 3548877 (1970-12-01), Aumayer
patent: 3809123 (1974-05-01), Heimann
patent: 3880476 (1975-04-01), Belart et al.

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