Quick-action circuit breaker assisted by a control circuit

Details Quick-action circuit breaker assisted by a control circuit Quick-action circuit breaker assisted by a control circuit

1989-06-26

1991-10-22

Picard, Leo P.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Electrodynamically actuated

200148R, H01H 5300

Patent

active

050599321

ABSTRACT:
Quick-action circuit breaker assisted by a semi-conductor control circuit, comprising a repulsion coil, a repulsion disk (37) associated with a contact bridge (39) bearing the mobile contacts (41), the repulsion disk (37) interacting with the repulsion coil (35), and a bearing means for holding the contacts in the closed state, wherein the bearing means comprises a holding spring (27) acting on the repulsion disk (37) associated with the contact bridge (39) via a retaining ball (33) acting on the repulsion disk (37) associated with the contact bridge (39), which retaining ball (37) exerts a sufficient pressure to resist an imposed contact pressure and is arranged to be retractable when the disk (37) is repulsed under the action of the repulsion coil (35).

REFERENCES:
patent: Re26445 (1968-08-01), Jensen
patent: 3723922 (1973-03-01), Loewer
patent: 3764944 (1973-10-01), Erven
patent: 3787648 (1974-01-01), Kawasaki
patent: 4209680 (1980-06-01), Garzon
patent: 4631508 (1986-12-01), Cinquin et al.
patent: 4956738 (1990-09-01), Defosse et al.

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