Limiting circuit breaker

Details Limiting circuit breaker Limiting circuit breaker

1988-09-15

1990-08-28

Goldberg, E. A.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Electrodynamically actuated

335 6, H01H 5300

Patent

active

049528971

ABSTRACT:
The limiting circuit breaker comprises a Thomson effect propelling device for opening of the contacts.
The main contact bridge is securedly united to an operating rod surrounded by an annular opening coil of the propelling device. The latter comprises an opening disk which is movable in relation to the rod and an annular piston securedly united to the rod, springs being disposed between the disk and the piston, so as to return the disk to the rest position facing the coil at the end of the opening travel.

REFERENCES:
patent: 2930870 (1960-03-01), Baer
patent: 3302144 (1967-01-01), Jensen
patent: 4631508 (1986-12-01), Cinquin et al.

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