High speed electromagnetic mechanical switch

Details High speed electromagnetic mechanical switch High speed electromagnetic mechanical switch

1982-08-09

1985-06-04

Beha, Jr., William H.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Polarity-responsive

335126, 335173, 335176, 335186, 335 86, 335188, 335193, H01H 5124

Patent

active

045217572

ABSTRACT:
A high speed electromagnetically actuated electromechanical switch is provided by a bistable electric snap blade operated by an electromagnetic actuator. A magnetically permeable yoke directs the flux paths of a pair of coaxial coils. An armature plunger shuttles axially reciprocally in the coils between first and second positions. The snap blade has a pair of cantilever arms extending towards each other to engage the armature plunger in the gap therebetween for lateral flexing actuation. Energization of a given coil provides a primary flux path around that coil through the yoke and the armature plunger, and provides a secondary flux path around both coils through the yoke and the armature plunger. The primary flux path force around either coil is always stronger than the secondary path.

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