Modular solenoid valve

Details Modular solenoid valve Modular solenoid valve

1992-04-29

1993-12-21

Schwadron, Martin P.

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

251 3001, F16K 3105

Patent

active

052715990

ABSTRACT:
A modular solenoid valve has a housing including a valve seat having a valve chamber connecting an inlet port and an outlet port. A poppet is movable in the chamber between a valve open position and a valve closed position. An elongate movable pilot valve is partially received in a pilot valve chamber in the poppet for controlling the position of the poppet, the pilot valve including first and second axially spaced, radially extending throughbores. A reciprocally movable solenoid plunger is operably associated with the pilot valve for positioning the pilot valve. A pin is inserted through either the first bore to connect the pilot valve to the plunger in a normally closed valve configuration or the second bore to connect the pilot valve to the poppet in a normally open valve configuration. A solenoid coil controls the position of the plunger to move the pilot valve to an actuated position.

REFERENCES:
patent: Re25338 (1963-02-01), Olson
patent: 3405906 (1968-10-01), Keller
patent: 4304264 (1981-12-01), McClintock et al.
patent: 4544128 (1985-10-01), Kolchinsky et al.
patent: 4592533 (1986-06-01), Guglielmi et al.
patent: 4699351 (1987-10-01), Wells

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