发明名称 |
POWER TOOL |
摘要 |
According to an aspect of the present invention, there is provided a power tool including: a brushless motor; switching elements that drive the brushless motor; a circuit board on which the switching elements are mounted; a transmission portion that transmits a driving force of the brushless motor; and a housing that houses the brushless motor, the switching elements, the circuit board and the transmission portion therein, wherein the switching elements include semiconductor elements each having terminals on a bottom surface thereof, and wherein the switching elements are surface mounted on the circuit board. |
申请公布号 |
EP2342805(A1) |
申请公布日期 |
2011.07.13 |
申请号 |
EP20090787964 |
申请日期 |
2009.05.20 |
申请人 |
HITACHI KOKI CO., LTD. |
发明人 |
OOMORI, KATSUHIRO;TOUKAIRIN, JUNICHI;TAKANO, NOBUHIRO;IWATA, KAZUTAKA;NISHIKAWA, TOMOMASA |
分类号 |
H02K29/00;B25F5/00;H01L23/13;H02K11/00 |
主分类号 |
H02K29/00 |
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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