发明名称 |
ELECTRIC POWER CONVERSION APPARATUS |
摘要 |
<P>PROBLEM TO BE SOLVED: To provide a technology and a product which efficiently cool a semiconductor for power conversion and achieve the downsizing and the like in an electric power conversion apparatus used for a motor for a pump. <P>SOLUTION: An electric power conversion apparatus includes a main circuit element and a water cooling device attached to the main circuit element and drives a motor attached to a pump. The electric power conversion apparatus includes a water cooling device attached to the main circuit element, and the water cooling device uses a liquid supplied by a pump as a coolant. The water cooling device adjusts the coolant amount supplied by the pump according to the heating situation of the main circuit element. <P>COPYRIGHT: (C)2013,JPO&INPIT |
申请公布号 |
JP2012235547(A) |
申请公布日期 |
2012.11.29 |
申请号 |
JP20110100385 |
申请日期 |
2011.04.28 |
申请人 |
HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO LTD |
发明人 |
HIROTA MASAYUKI;IBORI SATOSHI;YAMAZAKI TADASHI;HAMANO KOJI;SATO KOICHI |
分类号 |
H02M7/48 |
主分类号 |
H02M7/48 |
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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