| 发明名称 |
PUMP DEVICE AND DISH WASHING MACHINE USING THE DEVICE |
| 摘要 |
<P>PROBLEM TO BE SOLVED: To carry out bubble biting determination at low cost by using an induction motor. <P>SOLUTION: By arranging the induction motor 11, and an electric variable detection means 17 receiving a signal including harmonic components increased when bubble biting occurs, this low-cost pump device capable of appropriately detecting bubble biting without needing a rotation sensor can be provided. <P>COPYRIGHT: (C)2008,JPO&INPIT |
| 申请公布号 |
JP2008180162(A) |
申请公布日期 |
2008.08.07 |
| 申请号 |
JP20070014761 |
申请日期 |
2007.01.25 |
| 申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
ASADA KAZUHIKO;KAJIURA TOMOAKI |
| 分类号 |
F04D15/00;A47L15/42;A47L15/46;F04D15/02;H02P25/04;H02P27/06 |
主分类号 |
F04D15/00 |
| 代理机构 |
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| 地址 |
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