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US 8,786,159 B2Granted
Fixing structure for stator core and rotating electric machine including the same
AssigneeToyota Jidosha Kabushiki Kaisha
InventorHiroyuki Hattori
Life of this patent
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Abstract
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.
Claims4
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.
6 more elements
Dependencies are inferred from the claim text.