发明名称 |
Pump apparatus and methods of making and using same |
摘要 |
Pump apparatus and methods of making and using same are disclosed. One inventive apparatus includes at least two pump stages having different performance characteristics combined in series to substantially match an intended pumping application. An inventive method includes selecting two or more pump stages having different performance characteristics that when combined in series overcome limitations of at least one of the pump stages.
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申请公布号 |
US7326034(B2) |
申请公布日期 |
2008.02.05 |
申请号 |
US20050162549 |
申请日期 |
2005.09.14 |
申请人 |
SCHLUMBERGER TECHNOLOGY CORPORATION |
发明人 |
SHETH KETANKUMAR K.;SAVARIMUTHU JANET |
分类号 |
F04D13/14 |
主分类号 |
F04D13/14 |
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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