High-voltage switches with arc preventing or extinguishing devic – Arc preventing or extinguishing devices – Vacuum
Reexamination Certificate
2005-10-04
2005-10-04
Donovan, Lincoln (Department: 2832)
High-voltage switches with arc preventing or extinguishing devic
Arc preventing or extinguishing devices
Vacuum
C218S010000, C218S139000, C218S154000
Reexamination Certificate
active
06951993
ABSTRACT:
A vacuum switch comprises a vacuum container, a grounding switch and a load switch disposed in the container, and an external connection conductor disposed in the vacuum container and to be connected electrically inside and outside the vacuum container, and it is characterized in that the grounding switch and the external connection conductor are electrically connected to each other in the vacuum container.
REFERENCES:
patent: 4445162 (1984-04-01), Hamm et al.
patent: 6144005 (2000-11-01), Tanimizu et al.
patent: 6335502 (2002-01-01), Kikukawa et al.
patent: 6498314 (2002-12-01), Miyo et al.
patent: 6753493 (2004-06-01), Rhein et al.
patent: 2000-268685 (2000-09-01), None
patent: 2000-268686 (2000-09-01), None
Hanabuchi Ryotaro
Kikukawa Shuuichi
Murata Koichi
Suzuki Yasuaki
Tanimizu Tooru
Donovan Lincoln
Fishman M.
Hitachi , Ltd.
Mattingly ,Stanger ,Malur & Brundidge, P.C.
The Tokyo Electric Power Company Incorporated
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