| 发明名称 |
PUMPING UNIT WITH VERY LOW VOLTAGE THREE-PHASE MOTOR |
| 摘要 |
In this pumping unit, the motor (1) is supplied with a very low security voltage and the supply circuit comprises successively from the source (2) to the motor (1), a frequency converter (3) and a three-phase transformer (9).
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| 申请公布号 |
WO9606284(A1) |
申请公布日期 |
1996.02.29 |
| 申请号 |
WO1995EP03141 |
申请日期 |
1995.08.08 |
| 申请人 |
KSB S.A. |
发明人 |
BERTHON, JACQUES;FRAGNET, JEAN-FRANCOIS |
| 分类号 |
F04B17/03;F04D13/06;H02M5/14;(IPC1-7):F04B17/03 |
主分类号 |
F04B17/03 |
| 代理机构 |
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代理人 |
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