发明授权
- 专利标题： Automatic constant downstream level gate
- 专利标题（中）： 自动恒定下水平门
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申请号： US3643443D申请日： 1970-12-29
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公开(公告)号： US3643443A公开(公告)日： 1972-02-22
- 发明人: ALEXANDRE PHILIPPE
- 申请人： ALSTHOM CGEE
- 专利权人： CGEE Alsthom SA
- 当前专利权人： CGEE Alsthom SA
- 优先权： FR7000464 1970-01-05
- 主分类号： E02B7/42
- IPC分类号： E02B7/42 ; E02B7/20 ; E02B7/52
摘要：
The control gate herein embodies a sector float immersed in a container which is in communication with the tailrace through an opening formed between the lower end of the downstream wall of the container and its base which projects downstream beyond such opening to shelter the latter from the tailrace current.
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