Puffer type circuit interrupter with improved blast valve and pe

Details Puffer type circuit interrupter with improved blast valve and pe Puffer type circuit interrupter with improved blast valve and pe

1993-09-09

1995-06-13

Scott, J. R.

High-voltage switches with arc preventing or extinguishing devic

Arc preventing or extinguishing devices

Air-current blowout

218 88, H01H 3304, H01H 3380

Patent

active

054245036

ABSTRACT:
A circuit-breaker includes first and second permanent contacts, a support tube for a mobile arc contact and a blast nozzle. At least one of these components is fixed via an interference fit. The blast nozzle abuts against one end of a tubular support member with an annular end flange. It bears at the opposite end against a first permanent contact end-piece which is fixed by a clamping ring to the annular flange of the support member.

REFERENCES:
patent: 3873793 (1975-03-01), Rolff
patent: 4650942 (1987-03-01), Perret
patent: 5079391 (1992-01-01), Koyanagi et al.
patent: 5105058 (1992-04-01), Perret
patent: 5155312 (1992-10-01), Hashimoto et al.
patent: 5229561 (1993-07-01), Seki et al.

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