Quenching contact arrangement for a compressed-gas circuit break

Details Quenching contact arrangement for a compressed-gas circuit break Quenching contact arrangement for a compressed-gas circuit break

1975-05-15

1978-03-21

Tolin, Gerald P.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200148G, H01H 932

Patent

active

040805212

ABSTRACT:
The invention is directed to a quenching and contact arrangement for a compressed-gas circuit breaker. The arrangement includes a tubular contact piece and a contact piece axially arranged therewith. An arc is drawn between both contact pieces when the circuit is interrupted under load, the arc then being blasted by a stream of compressed-gas. A turbulence grid is arranged in the flow path of the stream. The turbulence grid is configured in the form of a tube of insulating material with perforations in the cylinder surface thereof which directly encloses the arcing space in the course of the circuit-breaking motion.

REFERENCES:
patent: 2233180 (1941-02-01), Petermichl
patent: 3855437 (1974-12-01), Geodecke et al.

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