发明名称 |
Method and apparatus for warming up a vacuum pump arrangement |
摘要 |
<p>A method for warming up a vacuum pump arrangement having a booster pump and a backing pump downstream of the booster pump for evacuating a process chamber includes setting the booster pump at a first speed higher than an idle speed of the booster pump when the same is in an idle mode; and controlling a backing pressure at an outlet of the booster pump within a range from 0.1 mbar to 10 mbar at least for a period of time from when the vacuum pump arrangement is activated from the idle mode to when the booster pump reaches a temperature equal to or exceeding a first predetermined threshold value. Such method is implemented in system where a controlled is configured to carry out the above-motioned actions.</p> |
申请公布号 |
GB2501735(B) |
申请公布日期 |
2015.07.22 |
申请号 |
GB20120007721 |
申请日期 |
2012.05.02 |
申请人 |
EDWARDS LIMITED |
发明人 |
JACK RAYMOND TATTERSALL |
分类号 |
F04C28/06;F04B41/06;F04C28/02;F04D19/04 |
主分类号 |
F04C28/06 |
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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