Pneumatic solenoid valve

Details Pneumatic solenoid valve Pneumatic solenoid valve

1989-02-22

1990-05-08

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

25112921, F15B 13044, F16K 3106

Patent

active

049229656

ABSTRACT:
A solenoid valve for controlling pneumatic vacuum or pressure comprising a body having a bore. A first passage intersects one end of the bore. The bore defines a first seat adjacent the one end. The body has a second passage intersecting the bore intermediate its ends and a third passage. A coil surrounds a core. The core has a fourth passage therethrough with a second seat at one end. A tube provides communication between the other end of the fourth passage and the third passage. A single plunger is provided in the bore and has a first valve at one end adapted to engage the first seat and a second valve at the other end adapted to engage the second seat.

REFERENCES:
patent: 2886063 (1959-05-01), Ray
patent: 3459404 (1969-08-01), Wisniewski
patent: 3550632 (1970-12-01), Noakes et al.
patent: 3608585 (1971-09-01), Huntington
patent: 4582088 (1986-04-01), Cook et al.
patent: 4753416 (1988-06-01), Inagaki et al.

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