Title:
DRIVE DEVICE
Document Type and Number:
Japanese Patent JP2016056892
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To facilitate assembly between a shaft fixing gear provided in a rotor shaft and an engagement gear provided in a gear mechanism in assembly.SOLUTION: A drive device includes: a rotor shaft 4 rotating integrally with a rotor of a rotation electric machine; a support bearing 91 supporting the rotor shaft 4; a gear mechanism having a shaft fixing gear 51 fixed to the rotor shaft 4 and a plurality of engagement gears 55A engaging with the shaft fixing gear. An axial length L1 between a tip part 41a of a supported part 41 of the rotor shaft 4 and an end part 51a of the shaft fixing gear 51 is made longer than an axial length L3 between an end part 91a of the support bearing 91 and an end part 55Aa of the engagement gear 55A.SELECTED DRAWING: Figure 3
Inventors:
TANAKA SATORU
SASAKI YOSHIHIKO
SASAKI YOSHIHIKO
Application Number:
JP2014184383A
Publication Date:
April 21, 2016
Filing Date:
September 10, 2014
Export Citation:
Assignee:
AISIN AW CO
International Classes:
F16H57/023; B60K7/00; F16H1/28; H02K7/116
Attorney, Agent or Firm:
Patent business corporation r&c