Solenoid valve

Details Solenoid valve Solenoid valve

1979-06-08

1982-04-27

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

Remote or follow-up control system for electrical actuator

13762565, 251141, 335255, 335260, F16K 3106, H01F 708

Patent

active

043266967

ABSTRACT:
A solenoid valve for opening and closing a fluid passage formed therein by the movement of a movable core in which a coil is wound around a resin bobbin and a stator core is fixed at one end portion of a center hole of the bobbin. A magnetic path plate having a ring-shaped portion and a flanged portion is insert-moulded in a body of the bobbin with a part of the flanged portion protruding radially to the outside of the body of the bobbin. The magnetic path plate is disposed such that the inner surface of the ring-shaped portion surrounds the outer surface of the moving core and the ring-shaped portion is concentric with the center hole of the bobbin. Since the protruding flanged portion is connected mechanically to one end of a yoke, a magnetic path is provided between the movable core and the yoke through the magnetic path plate with a reduced reluctance.

REFERENCES:
patent: 3598360 (1971-08-01), Merriner
patent: 3757263 (1973-09-01), Saarem et al.
patent: 3837618 (1974-09-01), Juhel
patent: 3856260 (1974-12-01), Giordano
patent: 4067541 (1978-01-01), Hunter

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