Invention Grant
- Patent Title: Vacuum insulated switchgear
- Patent Title (中): 真空绝缘开关柜
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Application No.: US11762504Application Date: 2007-06-13
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Publication No.: US07902480B2Publication Date: 2011-03-08
- Inventor: Kenji Tsuchiya , Masato Kobayashi , Ayumu Morita
- Applicant: Kenji Tsuchiya , Masato Kobayashi , Ayumu Morita
- Applicant Address: JP Tokyo
- Assignee: Hitachi, Ltd.
- Current Assignee: Hitachi, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Mattingly & Malur, P.C.
- Main IPC: H01H33/66
- IPC: H01H33/66

Abstract:
A vacuum insulated switchgear comprising a vacuum container accommodating at least a pair of movable contacts and a pair of fixed contacts, wherein the movable contacts are capable of taking three positions, the switchgear being a double-break three-position type switch having breaking and disconnecting functions.
Public/Granted literature
- US20080308531A1 VACUUM INSULATED SWITCHGEAR Public/Granted day:2008-12-18
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