Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Automatic circuit-interrupting devices
Patent
1987-01-15
1988-02-16
Goldberg, E. A.
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Automatic circuit-interrupting devices
335 35, 335174, H01H 7510, H01H 7336
Patent
active
047258004
ABSTRACT:
A circuit breaker structure having a faster trip unit characterized by a circuit breaker operator and a trip unit comprising a coil, a core, and an armature, and a hold-back bracket extending from and retaining the armature in a spaced position from the core so as to cause the magnetic field lines to flow through the bracket and the armature.
REFERENCES:
patent: 2939929 (1960-06-01), Hobson
Ellsworth James P.
Grunert Kurt A.
Mrenna Stephen A.
Donovan Lincoln
Goldberg E. A.
Johns L. P.
Westinghouse Electric Corp.
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