发明名称 Power tool
摘要 <p>A power tool includes a housing (2) accommodating a brushless motor (3) having a stator (7) and a rotor (8). The rotor (8) is provided with a rotary shaft (9) to which a cooling fan (13) is fixed. A bearing (11) for the rotary shaft (9) is supported by a bearing holder (12) and a plurality of switching elements (17) for supplying electric power to the brushless motor (3) are connected to the bearing holder (12).</p>
申请公布号 EP2234247(A1) 申请公布日期 2010.09.29
申请号 EP20100007082 申请日期 2006.04.20
申请人 HITACHI KOKI CO., LTD. 发明人 IWATA, KAZUTAKA;SAKAMOTO, SHINICHI;YOKOTA, TOMOYOSHI;YOSHIDA, KENICHIROU;NISHIKAWA, TOMOMASA;NAKAGAWA, ATSUSHI
分类号 H02K9/06;H02K7/14 主分类号 H02K9/06
代理机构 代理人
主权项
地址