Monostable electromagnetic relay with permanent magnetic bias

Details Monostable electromagnetic relay with permanent magnetic bias Monostable electromagnetic relay with permanent magnetic bias

1977-07-01

1979-07-03

Broome, Harold

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Polarity-responsive

335 78, 335229, H01H 5122

Patent

active

041602226

ABSTRACT:
A relay is disclosed having two U-shaped yokes, coupled through a permanent magnet, and a coil carrying armature which may abut with the diagonally disposed legs or with the two other ones. Springs tend to move the armature from the abutment positions, but additional air gap means in two of the legs reduce the attraction so that upon turning off of the coil current the armature is always driven towards abutment with the other legs.

REFERENCES:
patent: 3949332 (1976-04-01), Reuting
patent: 4050043 (1977-09-01), Reuting et al.

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