Title:
VEHICLE DRIVING DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/034099
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a vehicle driving device in which the vertical dimension of a gear shaft of a reducer can be reduced to reduce the size of the vehicle driving device and increase cabin space. This vehicle driving device is provided with: two electric motors 2L, 2R for driving left and right wheels; and two reducers 3L, 3R for reducing the rotating speed of the two electric motors 2L, 2R, wherein the two electric motors 2L, 2R are disposed on respective outboard sides relative to the two reducers 3L, 3R. Rotor shafts 12L, 12R of the electric motors 2L, 2R have hollow structures extending in the axial direction. An input gear 12a is disposed between the rotor shafts 12L, 12R. Output gear shafts 14L, 14R are coaxially disposed inside the hollow rotor shafts 12L, 12R. An output gear 14a is disposed between the output gear shafts 14L, 14R, and an intermediate shaft is rotatably disposed in the reducers 3L, 3R to be parallel with the rotor shafts 12L, 12R and the output gear shaft 14a.
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Inventors:
YUKISHIMA RYOU (JP)
HIRAI ISAO (JP)
HIRAI ISAO (JP)
Application Number:
PCT/JP2017/026093
Publication Date:
February 22, 2018
Filing Date:
July 19, 2017
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F16H1/06; F16H48/10; F16H48/36; H02K7/116
Foreign References:
| JP2012257347A | 2012-12-27 | |||
| JPH11170881A | 1999-06-29 | |||
| JP2007224979A | 2007-09-06 |
Attorney, Agent or Firm:
TORII Kazuhisa et al. (JP)
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