| 发明名称 |
Piston stroke control for a vacuum pump |
| 摘要 |
<p>A machine, for example, a vacuum pump 1 comprises a cylinder closed at both ends in which is mounted a reciprocating piston 5. Means is provided for driving the piston 5 and a vibration sensor 3 is provided for sensing any contact between the piston 5 and said ends. <IMAGE></p> |
| 申请公布号 |
EP1143146(A2) |
申请公布日期 |
2001.10.10 |
| 申请号 |
EP20010303141 |
申请日期 |
2001.04.02 |
| 申请人 |
THE BOC GROUP PLC |
发明人 |
DOVEY, STEPHEN JAMES;SHELLEY, GERALD ROBIN;STONES, IAN DAVID |
| 分类号 |
F04B49/06;F04B35/00;F04B35/04;F04B49/12;(IPC1-7):F04B35/04 |
主分类号 |
F04B49/06 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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