High-voltage switches with arc preventing or extinguishing devic – Arc preventing or extinguishing devices – Vacuum
Reexamination Certificate
2005-04-19
2005-04-19
Enad, Elvin (Department: 2832)
High-voltage switches with arc preventing or extinguishing devic
Arc preventing or extinguishing devices
Vacuum
C218S007000, C218S154000
Reexamination Certificate
active
06881917
ABSTRACT:
Disclosed is a vacuum switchgear wherein a ground switch, a load switch, and an external connecting conductor to be electrically connected with the inside and outside of the vacuum container are provided in a vacuum container; the ground switch and the external connecting conductor are electrically connected in the vacuum container; and the vacuum container has a joint construction of a body portion having openings on both ends thereof, and a lid joined to the opening of the body.
REFERENCES:
patent: 4527028 (1985-07-01), Luehring
patent: 6144005 (2000-11-01), Tanimizu et al.
patent: 6259051 (2001-07-01), Tanimizu et al.
patent: 6268579 (2001-07-01), Kajiwara et al.
patent: 6335502 (2002-01-01), Kikukawa et al.
patent: 6498314 (2002-12-01), Miyo et al.
patent: 2000-268685 (2000-09-01), None
patent: 2000-268686 (2000-09-01), None
Kikukawa Shuuichi
Kobayshi Masato
Miyo Takuya
Suzuki Yasuaki
Tanimizu Tooru
Enad Elvin
Fishman M.
Hitachi , Ltd.
Mattingly ,Stanger ,Malur & Brundidge, P.C.
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