| 发明名称 |
Waste water pump system comprises several pump units which are connected in series, incorporate identical threephase motors, and operate at specified relative power levels |
| 摘要 |
<p>The waste water pump system comprises several pump units (2, 3) which are connected in series, incorporate identical threephase motors (9), and operate at electrical power levels below the power level of a star-delta starter unit of the pump system. The power level of the last unit (3) in series is controlled by frequency converter (FU).</p> |
| 申请公布号 |
DE10331578(A1) |
申请公布日期 |
2005.02.03 |
| 申请号 |
DE2003131578 |
申请日期 |
2003.07.11 |
| 申请人 |
SPECHTENHAUSER PUMPEN GMBH |
发明人 |
METZNER, REINHOLD |
| 分类号 |
F04D13/14;F04D15/00;F04D15/02;(IPC1-7):F04D15/00;F04D13/12;F04D29/12 |
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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