High-speed three-way solenoid valve for pressurized fluid, such

Details High-speed three-way solenoid valve for pressurized fluid, such High-speed three-way solenoid valve for pressurized fluid, such

1991-12-02

1994-06-07

Fox, John C.

Fluid handling

Systems

Multi-way valve unit

13762544, F16K 1100

Patent

active

053180712

ABSTRACT:
A solenoid valve comprising an inlet conduit coaxial with an exhaust conduit; and an on-off element supported on the anchor of an electromagnet and moving substantially along the common axis of the two conduits for alternately connecting the inlet conduit and the exhaust conduit to an outlet conduit via a connecting compartment. The anchor normally closes the inlet conduit via flexible means, such as a permanent magnet in the magnetic circuit of the electromagnet, magnetized the opposite way to when the electromagnet is energized. The action of the electromagnet is such as to substantially eliminate that of the magnet on the anchor, which is thus set rapidly to the closed position over the exhaust conduit.

REFERENCES:
patent: 2995149 (1961-08-01), Pendleton
patent: 3722531 (1973-03-01), Verhart
patent: 4527590 (1985-07-01), Kolze
patent: 4534381 (1985-08-01), Hozumi et al.
patent: 4765370 (1988-08-01), Ariizumi et al.
patent: 5048564 (1991-09-01), Galardo

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