Title:
ROTARY ELECTRIC MACHINE
Document Type and Number:
WIPO Patent Application WO/2015/083637
Kind Code:
A1
Abstract:
Provided is a rotary electric machine that makes it possible to efficiently cool an inner rotor even when the inner rotor is not rotating. The rotary electric machine is provided with: a rotary shaft; an inner rotor that is provided so as to be capable of rotating together with the rotary shaft; an outer rotor that is arranged on the outside of the inner rotor; an outer rotor bracket that is rotatably supported by the rotary shaft; and a stator that is arranged on the outside of the outer rotor. An oil supply through hole is formed in the interior of the rotary shaft. An oil flow path is formed between the rotary shaft and a second outer rotor bracket. The oil outlet of the oil flow path is positioned on the radially inward side of the inner rotor.
Inventors:
MATSUMOTO SHOHEI (JP)
YUMOTO SHUJI (JP)
FUJIWARA HIROFUMI (JP)
YUMOTO SHUJI (JP)
FUJIWARA HIROFUMI (JP)
Application Number:
PCT/JP2014/081553
Publication Date:
June 11, 2015
Filing Date:
November 28, 2014
Export Citation:
Assignee:
TOYOTA JIDOSHOKKI KK (JP)
International Classes:
H02K9/19; H02K16/02
Foreign References:
| JP2012039828A | 2012-02-23 | |||
| JP2011062061A | 2011-03-24 |
Attorney, Agent or Firm:
SOGA, Michiharu et al. (JP)
Michiharu Soga (JP)
Michiharu Soga (JP)
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