Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Polarity-responsive
Patent
1984-04-23
1986-05-06
Broome, Harold
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Polarity-responsive
335 78, 335202, H01H 5122
Patent
active
045875022
ABSTRACT:
An electromagnetic relay comprising an electromagnet constituted by an I-like core and a coil wound around the core, a pair of contact mechanisms disposed at both sides of the electromagnet, respectively, a pair of permanent magnets disposed in parallel with the core in such magnetic orientation that the magnetic poles of the permanent magnets each positioned adjacent to each lateral end faces of the I-like core exhibit different polarities, the permanent magnets being interconnected by connecting beam members at both ends to thereby constitutes a frame-like movable armature, a H-like holder having four upstanding legs positioned in opposition to the lateral end faces of the I-like core, respectively, with the permanent magnet being interposed between the legs and the core, actuating members operatively coupled to the permanent magnetic for actuating the contact mechanisms in response to the movement of the armature frame, and a restorting spring for the movable armature frame.
REFERENCES:
patent: 2832867 (1958-04-01), Luhn
patent: 3100825 (1963-08-01), Wales
patent: 3946347 (1976-03-01), Sauer
patent: 3993971 (1976-11-01), Ono et al.
Matsuo Ken-ichi
Nakata Muneo
Broome Harold
Omron Tateisi Electronics Co.
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