Title:
ELECTRIC VEHICLE DRIVE SYSTEM
Document Type and Number:
WIPO Patent Application WO/2012/049557
Kind Code:
A3
Abstract:
An electric vehicle drive system in which an electric motor is accommodated within a motor chamber that is formed so as to be separated from a gear chamber by a partition within a case, and a transmission device that transmits power from the electric motor to an axle is accommodated within the gear chamber includes a rotation member that is disposed apart from the partition with a predetermined clearance within the gear chamber, and connected to an output shaft of the electric motor. The partition has a first communication hole that is formed at a position radially inward of a most outward point of the rotation member in a radial direction, and that provides communication between the gear chamber and the motor chamber.
Inventors:
DODO KOHEI (JP)
SAKAI TAKAAKI (JP)
SAKAI TAKAAKI (JP)
Application Number:
PCT/IB2011/002396
Publication Date:
July 26, 2012
Filing Date:
October 13, 2011
Export Citation:
Assignee:
TOYOTA MOTOR CO LTD (JP)
DODO KOHEI (JP)
SAKAI TAKAAKI (JP)
DODO KOHEI (JP)
SAKAI TAKAAKI (JP)
International Classes:
B60K17/12; F16H57/04; H02K7/116
Foreign References:
| EP0587389A1 | 1994-03-16 | |||
| US20060219449A1 | 2006-10-05 | |||
| US20090127954A1 | 2009-05-21 |
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