Electromagnetic valve

Details Electromagnetic valve Electromagnetic valve

1981-02-04

1983-07-12

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

Remote or follow-up control system for electrical actuator

251141, 335245, 335260, F16K 3106, H01F 712

Patent

active

043926347

ABSTRACT:
An electromagnetic valve comprises a valve case having incorporated therein a member for closing a fluid channel through the valve case, a stationary core, a movable core aligned with the core, an exciting coil surrounding the cores, a support member fixed to the valve case for guiding the movement of the movable core, and a shading coil provided on one end of the stationary core which end is opposed to the movable core. The movable core is movable by a magnetic attracting force generated by the exciting coil to thereby operate the closing member. The support member extends toward the stationary core, and the extension is integrally formed with a disk portion in contact with the surface of the small-diameter end and a projecting edge covering the periphery of the small-diameter end. This end is fitted in the projecting edge, which is welded at its forward end to the stationary core.

REFERENCES:
patent: 3307129 (1967-02-01), Mangiafico
patent: 3712581 (1973-01-01), Parlow
patent: 3974998 (1976-08-01), Wood
patent: 4027850 (1977-06-01), Allen

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