Title:
DRIVE DEVICE
Document Type and Number:
Japanese Patent JP2014196077
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a drive device capable of suppressing transmission of axial vibration of a sun gear in a planetary gear mechanism.SOLUTION: This drive device 1 comprises: a planetary gear mechanism 7 including a sun gear 7s with a coupling portion 7a formed to protrude from an end surface of the sun gear 7s on one side in an axis L1 direction; a first motor 3 including a rotary shaft 3a coupled to the coupling portion 7a; and a case 15 accommodating the first motor 3 and the planetary gear mechanism 7. The case 15 includes a partition wall part 15a arranged between the first motor 3 and the planetary gear mechanism 7. A stepped side surface 7k directed toward the partition wall part 15a side is formed on an outer peripheral surface of the coupling portion 7a, and a first bearing 7b interposes between the stepped side surface 7k and a surface of the partition wall part 15a on the sun gear 7s side.
Inventors:
KAWAMINAMI MITSUHIRO
TAKEDA YASUNORI
TSUCHIDA MITSUTAKA
MURATA SOHEI
TEJIMA TOKUJI
SADA NATSUKI
AOKI HIDETOSHI
SHIMADA HISASHI
SAI NARIHIRO
OZAKI TERUO
TAKEDA YASUNORI
TSUCHIDA MITSUTAKA
MURATA SOHEI
TEJIMA TOKUJI
SADA NATSUKI
AOKI HIDETOSHI
SHIMADA HISASHI
SAI NARIHIRO
OZAKI TERUO
Application Number:
JP2013073212A
Publication Date:
October 16, 2014
Filing Date:
March 29, 2013
Export Citation:
Assignee:
TOYOTA MOTOR CORP
AISIN AW CO
AISIN AW CO
International Classes:
B60K6/405; B60K6/365; B60K6/445; F16H57/023
Domestic Patent References:
| JP2007153114A | 2007-06-21 | |||
| JP2012163146A | 2012-08-30 | |||
| JP2012233511A | 2012-11-29 | |||
| JP2011185283A | 2011-09-22 | |||
| JP2006194299A | 2006-07-27 |
Attorney, Agent or Firm:
Patent business corporation ARC PATENT ATTORNEYS' OFFICE