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Patent Searching and Data


Title:
ROTARY ELECTRIC MACHINE
Document Type and Number:
WIPO Patent Application WO/2011/148825
Kind Code:
A1
Abstract:
Since a rotary electric machine mounted in a vehicle such as an automobile is subjected to large vibrations that are generated in many directions, a rotary electric machine provided with a rear cover that has been further improved by a fixing means is required. A rotary electric machine provided with: a rotor and a stator having an armature winding that are accommodated in an accommodation space formed by a front bracket and a rear bracket; and a rear cover formed at a lower surface section side of the rear bracket and comprising a circumferential sidewall section and a bottom wall section, wherein the rear cover is provided with: a plurality of engagement openings in the circumferential sidewall section of the rear cover; and a step in which the diameter of a bottom wall section side of the engagement openings is different to the diameter of the sidewall section of an end surface opening side, and a bracket is provided with an engagement section which is inserted into the step in order to fix the rear bracket.

Inventors:
IZUMI MITSUAKI (JP)
UMESAKI YOSUKE (JP)
ISHIKAWA TOSHIO (JP)
Application Number:
PCT/JP2011/061281
Publication Date:
December 01, 2011
Filing Date:
May 17, 2011
Export Citation:
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Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
IZUMI MITSUAKI (JP)
UMESAKI YOSUKE (JP)
ISHIKAWA TOSHIO (JP)
International Classes:
H02K5/24; H02K19/24
Foreign References:
JP2009005419A2009-01-08
JP2002095215A2002-03-29
JPH07336974A1995-12-22
JP2003527061A2003-09-09
JPS59169354A1984-09-25
JP2004248338A2004-09-02
Attorney, Agent or Firm:
POLAIRE I. P. C. (JP)
Polaire Intellectual Property Corporation (JP)
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Claims: