Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Polarity-responsive
Patent
1989-03-27
1990-08-21
Picard, Leo P.
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Polarity-responsive
335 78, 335 81, H01H 5122
Patent
active
049510169
ABSTRACT:
A relay includes a coil member having two through extending contact spaces parallel to the axis of the coil member. The contact tongues are arranged in the contact spaces and are anchored in common in a first coil flange to form working air gaps with pole pieces in the region of a second coil flange. The pole pieces are arranged in pairs and lie perpendicularly in a plane at an end face of the second coil flange. A permanent magnet arrangement having a plurality of magnetic poles corresponding to twice the number of pole pieces polarized the pole pieces. The permanent magnet poles facing away from the pole pieces are coupled to the bearing side of the contact tongues via flux guidance plates. The permanent magnet regions allow individual independent balancing of each and every pole piece to achieve synchronous switching of the two contact tongues.
REFERENCES:
patent: 4206432 (1970-06-01), Altorfer et al.
patent: 4311976 (1982-01-01), Sauer et al.
patent: 4577172 (1986-03-01), Schedele et al.
patent: 4577173 (1986-03-01), Schedele et al.
Helmut Schedele et al., "The Miniature Relay P1, A Highly Sensitive Ultra-Compact Relay", pp. 137-142, 8229 Siemens Components, 21(1986) Aug., No. 4, Berlin, Germany, Siemens Components XXI (1986), No. 4.
Furtwaengler Gerhard
Kobler Ulrich
Stadler Heinz
Weiser Josef
Donovan Lincoln
Picard Leo P.
Siemens Aktiengesellschaft
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