发明名称 |
Method for monitoring oil flow in an oil-lubricated vacuum pump |
摘要 |
The temperature of the oil or the temperature of the cooling medium at the inlet side and at the outlet side of the oil cooler is measured and the two temperature values are compared to each other and, in the event the temperatures exceed or fall below the pre-set temperature difference, a warning signal is actuated.
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申请公布号 |
US4895220(A) |
申请公布日期 |
1990.01.23 |
申请号 |
US19880235377 |
申请日期 |
1988.08.23 |
申请人 |
LEYBOLD AKTIENGESELLSCHAFT |
发明人 |
ABRAHAM, JEAN-LUC;CHAVAND, JEAN-LUC;JEZIOROWSKI, FREDERIC |
分类号 |
F04C28/28;F04D29/06;F16N29/04;F16N39/02 |
主分类号 |
F04C28/28 |
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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