发明授权
- 专利标题: Contact structure for vacuum circuit breaker
- 专利标题(中): 真空断路器的接触结构
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申请号: US735889申请日: 1991-07-25
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公开(公告)号: US5189270A公开(公告)日: 1993-02-23
- 发明人: Morihisa Matumoto , Kouji Suzuki , Shunkichi Endo , Yukio Kurosawa
- 申请人: Morihisa Matumoto , Kouji Suzuki , Shunkichi Endo , Yukio Kurosawa
- 申请人地址: JPX Tokyo
- 专利权人: Hitachi, Ltd.
- 当前专利权人: Hitachi, Ltd.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX2-205014 19900803
- 主分类号: H01H33/66
- IPC分类号: H01H33/66 ; H01H33/662
摘要:
A contact structure for a vacuum circuit breaker has an electrically insulating vacuum vessel, fixed and movable contact units sealed in the vacuum vessel and shield members surrounding the fixed and movable contact units in the vacuum vessel. Particles of a metal are applied to at least a part of the inner surface of the vacuum vessel.
公开/授权文献
- US4637674A Annular connector seal 公开/授权日:1987-01-20
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