Electromagnetic valve unit

Details Electromagnetic valve unit Electromagnetic valve unit

1982-04-20

1985-01-15

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

Remote or follow-up control system for electrical actuator

251335B, 251282, F16K 3106

Patent

active

044934742

ABSTRACT:
An electromagnetic valve unit wherein a solenoid coil is assembled within a motor housing in surrounding relationship with a stationary core, a yoke member is fitted at its outer periphery to the corresponding fitting faces of the motor housing and a valve housing, a spring-loaded shaft is slidably supported by a pair of bearings in the stationary core and the yoke member for axial movement, and a movable core is fixed to the shaft to be moved between the stationary core and the yoke member. In such arrangement, a sleeve member of non-magnetic material is coupled over the stationary core and a stepped portion of the yoke member for alignment of the spaced bearings, and the yoke member has an annular shoulder coupled within the valve housing for alignment of the shaft in relation to a valve seat member which is assembled within the valve housing to cooperate with a valve element on the shaft.

REFERENCES:
patent: 3441246 (1969-04-01), Lauppe et al.
patent: 4270726 (1981-06-01), Hertfelder et al.
patent: 4354525 (1982-10-01), Oyama et al.

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