发明授权
- 专利标题： Method of increasing voltage withstanding capability of vacuum interrupters
- 专利标题（中）： 提高真空断路器耐压能力的方法
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申请号： US761461申请日： 1977-01-21
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公开(公告)号： US4063991A公开(公告)日： 1977-12-20
- 发明人: George A. Farrall , William A. Gilhooley , Frank G. Hudda
- 申请人： George A. Farrall , William A. Gilhooley , Frank G. Hudda
- 申请人地址： NY Schenectady
- 专利权人： General Electric Company
- 当前专利权人： General Electric Company
- 当前专利权人地址： NY Schenectady
- 主分类号： H01H33/66
- IPC分类号： H01H33/66 ; C03C27/02 ; H01H33/662 ; H01H9/30
摘要：
Loose glass particles in a vacuum interrupter, and glass attached to the interrupter midband, are removed with an etch of hydrofluoric acid applied over the entire interior of the glass envelope and the midband, following a grit blast of the entire interior of the glass envelope and the midband.
公开/授权文献
- US5803163A Beverage cooling coil 公开/授权日：1998-09-08
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