Electric vacuum actuator valve

Details Electric vacuum actuator valve Electric vacuum actuator valve

1985-02-26

1989-06-13

Scott, Samuel

Valves and valve actuation

Electrically actuated valve

Including solenoid

13759617, 13762525, F16K 3102

Patent

active

048385190

ABSTRACT:
An electrical valve having three paths, of the type comprising a valve body which is in permanent communication with an apparatus, controlled by fluid, notably by pneumatic partial vacuum, and is in alternate communication with either a fluid source of energy or with an outlet region, the passage from source to such outlet region and back being controlled by the plunger of an electromagnet permanently subjected to the action of a return spring urging the plunger to close such source. The valve body forms a control chamber of small dimensions, located on the outside of the electromagnet parts, wherein which communicates with the three paths. An extension of the electromagnet plunger provided with a single stopper seal which controls alternatively the source of energy and the orifice of the outlet region extends into the control chamber.

REFERENCES:
patent: 2686535 (1954-08-01), Tourneau
patent: 3329165 (1967-07-01), Lang
patent: 3461911 (1969-08-01), Janczur
patent: 3929315 (1975-12-01), Rieth
patent: 4102526 (1978-07-01), Hargraves

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