Arc chute and circuit breaker equipped with one such arc chute

Details Arc chute and circuit breaker equipped with one such arc chute Arc chute and circuit breaker equipped with one such arc chute

2008-04-17

2009-06-02

Barrera, Ramon M (Department: 2832)

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

With arc-suppression or extinguishing means

C218S023000, C218S026000

Reexamination Certificate

active

07541902

ABSTRACT:
An arc chute comprising an arc extinguishing chamber formed by a stack of deionizing plates and an arc formation chamber bounded by a first and second flange, said arc chute being equipped with permanent magnets arranged behind at least the first flange, in which the arc formation chamber comprises:an enhanced induction section where the arc is propelled towards the arc extinguishing chamber by a first part of the permanent magnets, anda diverting section where the arc is diverted towards the first flange by a second part of the permanent magnets, the magnetic field in the longitudinal mid-plane generated by the second part being substantially weaker than that generated by the first part.A circuit breaker comprising separable contacts and the previously described arc chute.

REFERENCES:
patent: 33 11 052 (1984-09-01), None
patent: 20 2005 007878 (2006-09-01), None
patent: 0 473 013 (1992-03-01), None
patent: 1 693 869 (2006-08-01), None
patent: 2 622 736 (1989-05-01), None

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