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Patent Searching and Data


Title:
GAS INSULATED ELECTRIC DEVICE
Document Type and Number:
Japanese Patent JP2009268294
Kind Code:
A
Abstract:

To provide a gas insulated electric device that surely traps a metal foreign matter showing various behavior, reduces manufacturing costs, and improves insulation reliability.

A conductor 1 is installed in a grounded tank 2 filled with insulating gas via an insulating spacer 3. A metal plate 16 is provided with holes 13 for trapping the metal foreign matter that rotationally moves, and holes 14 for trapping the metal foreign matter that vertically moves in an erected state. A sidewall 15 is provided in a direction from the holes 13, 14 toward the grounded tank 2. Further, the metal plate 16 is electrically connected in parallel with the grounded tank 2.


Inventors:
MIYAMOTO TAKASHI
TSURIMOTO TAKAO
YOSHIMURA MANABU
SHIMIZU YOSHINORI
Application Number:
JP2008116853A
Publication Date:
November 12, 2009
Filing Date:
April 28, 2008
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
H02G5/06; H01H33/57; H02B13/055
Attorney, Agent or Firm:
Keigo Murakami
Masuo Oiwa
Toshihide Kodama
Takenaka Ikuo