Title:
IN-WHEEL MOTOR
Document Type and Number:
WIPO Patent Application WO/2011/145726
Kind Code:
A1
Abstract:
An electric vehicle driving device (10) comprises a first motor (11), a second motor (12), a first planetary gear mechanism (20), a second planetary gear mechanism (30), a clutch device (40), and a wheel bearing (50). The first planetary gear mechanism (20) is a single pinion type planetary gear mechanism. The second planetary gear mechanism (30) is a double pinion type planetary gear mechanism. The first motor (11) is connected to a first sun gear (21) and a second sun gear (31). The second motor (12) is connected to a first ring gear (24). The clutch device (40) is connected to a first carrier (23). A second carrier (33) is connected to the first ring gear (24). A second ring gear (34) is connected to the wheel bearing (50).
Inventors:
GUNJI DAISUKE (JP)
MATSUDA YASUYUKI (JP)
KIMURA GEN (JP)
MATSUDA YASUYUKI (JP)
KIMURA GEN (JP)
Application Number:
PCT/JP2011/061660
Publication Date:
November 24, 2011
Filing Date:
May 20, 2011
Export Citation:
Assignee:
NSK LTD (JP)
GUNJI DAISUKE (JP)
MATSUDA YASUYUKI (JP)
KIMURA GEN (JP)
GUNJI DAISUKE (JP)
MATSUDA YASUYUKI (JP)
KIMURA GEN (JP)
International Classes:
B60K7/00; B60K17/14; F16H3/66; H02K7/116
Foreign References:
| JPH06505938A | 1994-07-07 | |||
| JP2006015785A | 2006-01-19 | |||
| JP2002252955A | 2002-09-06 | |||
| JP2002079838A | 2002-03-19 | |||
| JP2003042191A | 2003-02-13 | |||
| JP2009262872A | 2009-11-12 |
Attorney, Agent or Firm:
SAKAI, HIROAKI (JP)
Hiroaki Sakai (JP)
Hiroaki Sakai (JP)
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Claims: