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Title:
ELECTRIC VEHICLE DRIVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/151256
Kind Code:
A1
Abstract:
An electric vehicle drive device is provided with a first motor, a second motor, and a transmission mechanism that is coupled to the first motor and the second motor and is capable of switching a speed reduction ratio. The transmission mechanism is provided with a sun gear shaft coupled to the first motor. The first motor is provided with a first stator core, a first rotor core disposed radially outward of the first stator core, and a first rotor holding member coupling the first rotor core and the sun gear shaft.

Inventors:
YAMAMOTO SHIN (JP)
MATSUDA YASUYUKI (JP)
Application Number:
PCT/JP2018/005503
Publication Date:
August 23, 2018
Filing Date:
February 16, 2018
Export Citation:
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Assignee:
NSK LTD (JP)
International Classes:
B60K7/00; B60L15/00; F16H3/66; F16H3/72; H02K7/116
Foreign References:
JP2007057066A2007-03-08
JP2012005169A2012-01-05
JP2013044424A2013-03-04
Other References:
See also references of EP 3584102A4
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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