Polarized armature contact relay

Details Polarized armature contact relay Polarized armature contact relay

1990-05-31

1991-04-16

Picard, Leo P.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Polarity-responsive

335230, 335 84, H01H 5122

Patent

active

050086413

ABSTRACT:
A relay having a coil body with two contact spaces extending parallel to the coil body axis is provided with two tongue armatures arranged oppositely in parallel fashion through the contact spaces. The coil body has coil flanges at the opposite ends and the tongue armatures are plugged into the contact space from opposite one of the coil flanges to extend to an air gap between pairs of pole pieces arranged at the other coil flange. The pole pieces are arranged in pairs adjacent the terminal end of the other tongue armature. On each of the pairs of pole pieces is a flat four-pole permanent magnet having two outside poles coupled to a contact end of the appertaining tongue armature via a flux plate. The permanent magnet areas which are allocated individually to each pole piece to enable independent balancing to be performed so that synchronous switching of the tongue armatures is achieved.

REFERENCES:
patent: 4091346 (1978-05-01), Nishimura et al.
patent: 4311976 (1982-01-01), Sauer
patent: 4510473 (1985-04-01), Schweiger et al.
patent: 4539539 (1985-09-01), Schweiger et al.
patent: 4577172 (1986-03-01), Schedele et al.
patent: 4577173 (1986-03-01), Schedele et al.
patent: 4672344 (1987-06-01), Schedele
patent: 4730175 (1988-03-01), Ichikawa et al.
patent: 4951016 (1990-08-01), Furtwaegler et al.

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