Electromagnetic valve

Details Electromagnetic valve Electromagnetic valve

1983-12-16

1985-08-13

Rosenthal, Arnold

Fluid handling

Systems

Multi-way valve unit

13762544, 25112920, 25112903, F16K 3106, F16K 1102

Patent

active

045343810

ABSTRACT:
An electromagnetic valve including an electromagnetic unit having a magnetic core, a coil bobbin arranged around the core, an electromagnetic coil wound around the bobbin, a stationary yoke and a first valve seat formed in a flange of the coil bobbin and a valve unit having a movable yoke, a valve stopper provided at an end of the movable yoke whose other end is rotatably coupled with the stationary yoke and a second valve seat provided in opposition to the valve stopper. When the coil is not energized, the valve stopper is resiliently urged against the second valve seat and a first fluid passage connected to the first valve seat is communicated with a valve chamber in the valve unit, but when the coil is energized, the movable yoke is attracted to the core to urge the valve stopper against the first valve seat and a second fluid passage connected to the second valve seat is communicated with the valve chamber.

REFERENCES:
patent: 3102712 (1963-09-01), Zilk
patent: 3971542 (1976-07-01), Lee, III
patent: 4180234 (1979-12-01), Hertfelder
patent: 4326696 (1982-04-01), Ishikawa et al.

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