Magnetic actuator

Details Magnetic actuator Magnetic actuator

1980-03-31

1983-01-25

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Tripping means

335258, H01H 900

Patent

active

043706371

ABSTRACT:
An electromagnet has a movable core which is locked in rest position by magnetic effect. The movable core cooperates with portions of the magnetic field structure in such a manner as to form three sets of polar surfaces and gaps, of which one situated between the other two, can become saturated when the energizing flux of the winding achieves a certain threshold level. The device is particularly adapted to the actuation of circuit-breakers.

REFERENCES:
patent: 3249823 (1966-05-01), Beardow
patent: 3783423 (1974-01-01), Mater et al.
patent: 3792390 (1974-02-01), Boyd
patent: 3984795 (1976-10-01), Gaskil

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