Title:
スイッチギヤ
Document Type and Number:
Japanese Patent JP4906892
Kind Code:
B2
Abstract:
A switchgear includes an earthing and disconnecting switch (10) which linearly moves and is switchable to a disconnecting and an earthing positions, a vacuum valve (1) which performs closing and breaking of a current in a vacuum container producing vacuum inside, and a solid insulator (30) with which the earthing and disconnecting switch (10) and the vacuum valve (1) are covered, therein the earthing and disconnecting switch (10) and the vacuum valve (1) are electrically connected, and closing and breaking of a current is performed in the vacuum valve (1).
Inventors:
Tomoaki Utsumi
Takashi Shirane
Takashi Sato
Kenji Tsuchiya
Morita Ayumu
Takashi Shirane
Takashi Sato
Kenji Tsuchiya
Morita Ayumu
Application Number:
JP2009186985A
Publication Date:
March 28, 2012
Filing Date:
August 12, 2009
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
H02B13/02; H01H31/02; H01H31/10; H01H31/32; H01H33/662; H02B13/075
Domestic Patent References:
| JP2001176364A | ||||
| JP2003308767A | ||||
| JP2007312507A | ||||
| JP2007104753A | ||||
| JP2008226830A | ||||
| JP2007028776A | ||||
| JP2005245200A | ||||
| JP2008258021A | ||||
| JP11185577A | ||||
| JP2004356109A |
Attorney, Agent or Firm:
Manabu Inoue
Yuji Toda
Yuji Toda