| 发明名称 |
METHOD FOR ESTIMATING PUMP EFFICIENCY |
| 摘要 |
The present invention provides highly accurate methods for directly calculating pump fillage which avoid the need and expense of a pump dynamometer card and subsequent calculations.
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| 申请公布号 |
US2009232662(A1) |
申请公布日期 |
2009.09.17 |
| 申请号 |
US20090400852 |
申请日期 |
2009.03.10 |
| 申请人 |
MILLS THOMAS M |
发明人 |
MILLS THOMAS M. |
| 分类号 |
F04B49/20;F04B17/00;G05B13/02;G05D7/00 |
主分类号 |
F04B49/20 |
| 代理机构 |
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