Electrical control apparatus with electromagnetic latch

Details Electrical control apparatus with electromagnetic latch Electrical control apparatus with electromagnetic latch

1984-10-05

1986-10-14

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Fusible element actuated

337179, 337229, H01H 920

Patent

active

046175466

ABSTRACT:
An electrical control apparatus characterized by a pair of separable contacts with electromagnetic means for opening and closing the contacts and including a U-shaped core having spaced legs and a yoke, a permanent magnet across the yoke, and the magnet having a cross-section greater than that of either leg.

REFERENCES:
patent: 3371297 (1968-02-01), Ridings
patent: 3821671 (1974-06-01), Grunert et al.
patent: 4164721 (1979-08-01), Ishida et al.
patent: 4240055 (1980-12-01), Shimizu et al.

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