Electromagnetic actuator

Details Electromagnetic actuator Electromagnetic actuator

1976-04-20

1977-08-09

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335279, H01F 708

Patent

active

040414299

ABSTRACT:
An electromagnetic actuator characterized by a pivotally connected stator and rotor (armature) forming a magnetic path linked by the coil and containing an air gap between the extremities of the stator and rotor. One such extremity is formed as a tapered arcuate tooth having inner and outer arcuate surfaces, and the other extremity is shaped to define a tapered arcuate mouth which fits complementally onto the tooth as the rotor pivots to a closed position. The coil mounted on the stator is formed with an arcuate passageway which receives the two extremities, coil thereby substantially surrounding the air gap while permitting the extremities to swing in a closing or opening sense relative to one another.

REFERENCES:
patent: 454476 (1891-06-01), Hering
patent: 671907 (1901-04-01), Duncan
patent: 2449901 (1948-09-01), Kaiser
patent: 3435395 (1969-03-01), Rosenberg et al.
patent: 3970978 (1976-07-01), Langree

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