发明名称 Fixing structure for stator core and rotating electric machine including the same
摘要 A fixing structure for a stator core includes a stator core, a ring member fitting on the stator core, and a case covering the stator core and the ring member. The case includes a fixing portion fixing the ring member, and a fitting portion fitting on the ring member.
申请公布号 US8786159(B2) 申请公布日期 2014.07.22
申请号 US200913514850 申请日期 2009.12.28
申请人 Toyota Jidosha Kabushiki Kaisha 发明人 Hattori Hiroyuki
分类号 H02K1/00 主分类号 H02K1/00
代理机构 Sughrue Mion, PLLC 代理人 Sughrue Mion, PLLC
主权项 1. A fixing structure for a stator core, comprising: a stator core having one end and the other end axially spaced from each other; a ring member located on an outer circumferential side of said stator core and holding said stator core; and a case housing said stator core and said ring member, and having a fixing portion which fixes said ring member, and a fitting portion on which said ring member fits, wherein said ring member extends from said one end side to said other end side of said stator core, said ring member is fixed to said fixing portion on said one end side, and abuts and fits on the fitting portion on said other end side, an inner diameter of said fitting portion is smaller than an inner diameter of said fixing portion, and at said one end, a gap is radially provided between said ring member and said case, wherein said ring member is fixed to said fixing portion by a bolt, wherein an axial length of said fitting portion abutting said ring member is shorter than a length of a portion of said bolt fitted into said case.
地址 Aichi-ken JP