Core formed of hard and soft magnetic materials for an electrica

Details Core formed of hard and soft magnetic materials for an electrica Core formed of hard and soft magnetic materials for an electrica

1986-09-11

1987-10-20

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Polarity-responsive

335 84, 335281, 335297, H01H 5122

Patent

active

047017210

ABSTRACT:
A miniaturized electromechanical relay (1) having an armature (14) and a spring assembly (13) mounting contacts with a magnetic core member (15) for activating the armature to operate the spring assembly to engage and disengage the contacts. The magnetic core member is formed of hard and soft magnetic powdered materials (150, 151) sintered together to form a fused boundary therebetween for returning magnetic flux generated by the magnetic core pole areas through the fused boundary and the soft magnetic powdered materials.

REFERENCES:
patent: 3257586 (1966-06-01), Steingroever
patent: 4322700 (1982-03-01), Everhart et al.
patent: 4544904 (1985-10-01), Tarachand

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