Slidable electric valve device having a spring

Details Slidable electric valve device having a spring Slidable electric valve device having a spring

1987-03-05

1988-09-20

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

Solenoid having plural coils

25112915, F16K 3106

Patent

active

047719826

ABSTRACT:
The present invention relates to an electric valve device used in remotely operable applications. It comprises a valve body with a centrally placed slidable valve core. The core has an aperture for fluid passage and may be held in position by an electromagnet in the valve body. Windings are placed in one end of the valve body so that they encircle the slidable core and a spring is placed in the other end. To move the core, a DC current source is connected to the windings so that when they are energized a force is generated to move the core in a specific direction. The core is then held in this position by the contact between the electromagnet in the valve body and the valve core until the current in the magnetic windings is switched off, then the spring return to the core to its original, closed position.

REFERENCES:
patent: 1252312 (1918-01-01), Warren
patent: 1475129 (1923-11-01), Mayer
patent: 3484076 (1969-12-01), Naumann
patent: 3666231 (1972-05-01), Parodi et al.
patent: 3851285 (1974-11-01), Rothfuss et al.
patent: 4056255 (1977-11-01), Lace
patent: 4065096 (1977-12-01), Frantz et al.

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