Three-way solenoid valve and method of fabricating same

Details Three-way solenoid valve and method of fabricating same Three-way solenoid valve and method of fabricating same

1990-11-15

1992-08-04

Michalsky, Gerald A.

Fluid handling

Systems

Supply and exhaust

13762565, 25112902, 25112914, 25112915, F15B 13044

Patent

active

051350270

ABSTRACT:
A three-way solenoid valve consisting of a solenoid device portion 20 and a valve portion 40. The same solenoid device portion 20 is used whether the valve is normally open or normally closed. The solenoid device portion 20 comprises a plunger 23 driven by a solenoid coil 27, a sleeve 26 guiding the plunger, a yoke 32 fitted over the sleeve, a push rod 24 mounted to the plunger. The valve portion 40 comprises an inner base 46 having a valve seat, an outer base 42 having a second valve seat, and a ball 48 mounted between the valve seats. The inner base is mounted on the outer base. The front end of the push rod can bear against the ball. The outer base 42 bears against the yoke 32.

REFERENCES:
patent: 2868494 (1959-01-01), Kearns et al.
patent: 4338966 (1982-07-01), Smith
patent: 4509716 (1985-04-01), Barber et al.
patent: 4578662 (1986-03-01), Slavin et al.
patent: 4783049 (1988-11-01), Northman et al.
patent: 4998559 (1991-03-01), McAuliffe

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