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US 6,855,903 B2Granted
Vacuum switch
AssigneesHitachi, Ltd., The Tokyo Electric Power Company, Incorporated
InventorsShuuichi Kikukawa, Yasuaki Suzuki, Tooru Tanimizu, Koichi Murata, Ryotaro Hanabuchi
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Abstract
A vacuum switch comprises a vacuum container, a grounding switch and a load switch disposed in the container, and an external connection conductor disposed in the vacuum container and to be connected electrically inside and outside the vacuum container, and it is characterized in that the grounding switch and the external connection conductor are electrically connected to each other in the vacuum container.
Claims12
A vacuum switch comprising:
- a vacuum container;
- a plurality of grounding switches and a load switch each disposed in said vacuum container;
- and
- an external connection conductor disposed in said vacuum container and connected electrically inside and outside said vacuum container, characterized in that
- said plurality of grounding switches are electrically connected to each other in said vacuum container and said grounding switches and said external connection conductor are electrically connected to each other in said vacuum container.
2 more elements
Dependencies are inferred from the claim text.