发明授权
- 专利标题： Pump starting method for hydraulic machinery
- 专利标题（中）： 液压机械泵启动方式
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申请号： US692995申请日： 1976-06-04
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公开(公告)号： US4073594A公开(公告)日： 1978-02-14
- 发明人: Nobuho Takagi , Mituo Takase , Takashi Itoh , Katsumi Seno , Toshihiko Koseki
- 申请人： Nobuho Takagi , Mituo Takase , Takashi Itoh , Katsumi Seno , Toshihiko Koseki
- 申请人地址： JA
- 专利权人： Hitachi, Ltd.
- 当前专利权人： Hitachi, Ltd.
- 当前专利权人地址： JA
- 优先权： JA50-69626 19750611
- 主分类号： F03B15/00
- IPC分类号： F03B15/00 ; F03B15/04 ; F04D15/00 ; F01D17/00
摘要：
A pump starting method for hydraulic machinery such as a pump turbine and a pump having adjustable guide vanes and an inlet valve, by which hydraulic vibrations due to pump no discharge operation can be prevented by beginning pumping-up with said adjustable guide vanes being opened before a main valve included in a said inlet valve is fully opened in starting the pump.
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