High voltage circuit breaker contact structure including ionizat

Details High voltage circuit breaker contact structure including ionizat High voltage circuit breaker contact structure including ionizat

1994-06-01

1996-02-20

Scott, J. R.

High-voltage switches with arc preventing or extinguishing devic

Arc preventing or extinguishing devices

Magnetic blowout

218 31, 218 36, 218 40, 218146, 218148, 335201, H01H 3318, H01H 930

Patent

active

054930910

ABSTRACT:
An electromechanical switch of the contactor or circuit-breaker type with adjacent contacts, which are provided on respective mobile and fixed contact parts. This arrangement defines a narrow ionization slot which is maintained at the start of contact opening in order to cause a secondary arc to fire substantially perpendicular to the contact opening direction constituting a shunting arc to eliminate the time duration of the contacts and switch legs.

REFERENCES:
patent: 2538370 (1951-01-01), Lerstrup
patent: 3114814 (1963-12-01), Stettner
patent: 3166660 (1965-01-01), Gribble
patent: 4112275 (1978-09-01), Kohler
patent: 4404443 (1983-09-01), Goynel et al.
patent: 4429198 (1984-01-01), Mori et al.
patent: 4612427 (1986-09-01), Mori et al.
patent: 4642428 (1987-02-01), Yoshiyasu et al.
patent: 5097104 (1992-03-01), Weichert

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