发明名称 |
Aeration system |
摘要 |
A centrifugal pump having a rotatable impeller that operates to drain liquid into the intake of the pump. An air-introduction passage connects with a subatmospheric pressure region at the back of the impeller. Air introduced through this passage is mixed with a portion of the fluid pumped, and the air-fluid mixture is expelled as the discharge of the pump.
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申请公布号 |
US6036434(A) |
申请公布日期 |
2000.03.14 |
申请号 |
US19970953850 |
申请日期 |
1997.10.15 |
申请人 |
ROPER HOLDINGS, INC. |
发明人 |
RAY, ROBERT B.;QANDIL, MARK M.;OLIN, GARY L. |
分类号 |
B01F5/12;B01F5/16;C02F1/24;F04D29/10;F04D31/00;(IPC1-7):F04D29/10 |
主分类号 |
B01F5/12 |
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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