Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent
1983-04-14
1985-06-04
Macon, Robert S.
Electricity: circuit makers and breakers
Liquid contact
Time delay
200144R, 200149A, H01H 3304, H01H 930
Patent
active
045216533
ABSTRACT:
The present invention relates to a circuit breaker with an arc light absorber comprising: a pair of electric contactors contained in an insulating container for opening or closing an electric circuit, electric conductors forming said electric contactors and contacts provided at said conductors, an arc extinguishing plate for extinguishing an arc produced between said contacts when said electric contactors are opened, and a pair of side walls confronting the portion except the locuses drawn by said contacts when said contactors are opened and closed at the position of the arc extinguishing plate side of said locuses to form an arc light absorber, said side walls formed of a composite material having one or more of fiber, net or porous material having more than 35% of porosity and the arc produced between said contacts being discharged through between said pair of confronting side walls.
Hisatsune Fumiyuki
Murata Shirou
Terachi Junichi
Yamagata Shinji
Yoshiyasu Hajimu
Macon Robert S.
Mitsubishi Denki & Kabushiki Kaisha
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