Rotary activator

Details Rotary activator Rotary activator

1981-04-10

1983-06-07

Broome, Harold

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335 79, 335230, H01F 708, H01F 714, H01H 5122

Patent

active

043873570

ABSTRACT:
A magnetic rotary activator has a permanent magnet mounted for rotation about a fixed axis and a core member having an energizing coil with a current reversing mechanism. The core member has at least three poles arranged to be reversed in polarity by reversing current flow through the coil. The poles are arranged to rotate the permanent magnet through a predetermined angle upon reversal of current flow.

REFERENCES:
patent: 3300776 (1967-01-01), Fitch et al.
patent: 3309696 (1967-03-01), Alster et al.
patent: 3343451 (1967-09-01), Durocher
patent: 3422426 (1969-01-01), Bailey et al.
patent: 3553619 (1971-01-01), Skrobisch
patent: 3573811 (1971-04-01), Knecht
patent: 4302720 (1981-11-01), Brill

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