Vacuum electrical switch or circuit breaker

Details Vacuum electrical switch or circuit breaker Vacuum electrical switch or circuit breaker

1997-02-27

1999-03-02

Friedhofer, Michael A.

High-voltage switches with arc preventing or extinguishing devic

Arc preventing or extinguishing devices

Vacuum

H01H 3366

Patent

active

058774661

ABSTRACT:
A vacuum switch with an elongated cartridge comprising a cylindrical housing sealed by two end plates. Inside the cylindrical housing there are two arcing contacts, one stationary and one movable. The stationary contact is securedly affixed to one of the end plates, whereas the other movable contact is mounted to axially slide inside the cartridge. At least two portions of turn are mounted in parallel. Each portion has a first end electrically connected to one of the arcing contacts and a second end electrically connected to the current input strip of the contact. The first and second ends of each portion of turn are electrically connected by a branch-off designed to disperse a part of the main current trough the potions of turn during breaking.

REFERENCES:
patent: 2411892 (1946-12-01), Peters
patent: 2439952 (1948-04-01), Strom
patent: 3321599 (1967-05-01), Lee
patent: 3891896 (1975-06-01), Clason
patent: 4115672 (1978-09-01), Lipperts
patent: 4575599 (1986-03-01), Arimoto
patent: 4661665 (1987-04-01), Carroll et al.
patent: 4975552 (1990-12-01), Niegl et al.
patent: 5280144 (1994-01-01), Bolongeat-Mobleu et al.

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