发明名称 Power tool
摘要 <p>According to an aspect of the invention, there is provided a power tool including: a commutator motor including a rotor and a stator having a substantially cylindrical stator core; a fan provided to face one axial end of the stator core so as to be rotatable coaxially with the rotor; and a stator coil bundle fixed to an inner peripheral surface of the stator core, the stator coil bundle having a coil end portion that protrudes more than the stator core in a rotational axis direction of the rotor, wherein a minimum internal diameter of the coil end portion is smaller than a maximum external diameter of the fan, and wherein the coil end portion has a fan facing portion that faces the fan along a direction perpendicular to the rotational axis direction. </p>
申请公布号 EP2081283(A3) 申请公布日期 2014.12.17
申请号 EP20090000309 申请日期 2009.01.12
申请人 HITACHI KOKI CO., LTD. 发明人 TANIMOTO, HIDEYUKI
分类号 H02K7/14;H02K9/06 主分类号 H02K7/14
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