High-voltage switches with arc preventing or extinguishing devic – Arc preventing or extinguishing devices – Vacuum
Reexamination Certificate
2011-03-08
2011-03-08
Luebke, Renee (Department: 2833)
High-voltage switches with arc preventing or extinguishing devic
Arc preventing or extinguishing devices
Vacuum
C218S007000, C218S154000
Reexamination Certificate
active
07902480
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.
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Kobayashi Masato
Morita Ayumu
Tsuchiya Kenji
Fishman Marina
Hitachi , Ltd.
Luebke Renee
Mattingly & Malur, P.C.
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