Electromagnetic device

Details Electromagnetic device Electromagnetic device

H - Electricity

01

F

336/39

H01F 21/06 (2006.01) H01F 7/12 (2006.01) H01F 7/16 (2006.01)

Patent

CA 1187574

ABSTRACT OF THE DISCLOSURE A solenoid for use with an alternating current power supply has a stationary pole piece and a movable armature provided with an axially extending food means comprising in one embodiment a ring of nonmagnetic material and in another embodiment a plurality of ferromagnetic lugs on the end adjacent the pole piece. The lugs are disposed in peripherally spaced arrangement and extend axially from the armature in the region of contact with the pole piece to prevent rocking and orbiting. The armature optionally includes a shading ring and/or slot extending a portion of the length thereof.

422730

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