Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
IN-WHEEL MOTOR DRIVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/137470
Kind Code:
A1
Abstract:
The problem addressed by the present invention is, as an outer pin housing (50) of a cycloid reduction gear (B) of an in-wheel motor drive device (21), adopting that which has high machining precision and easy machining, and is such that assembly of the inner components of the reduction gear (B) is easy even if the opening for component insertion is small. The outer pin housing (50) is formed by assembling half split bodies (50a, 50b) split in two pieces, through holes (61) are provided that penetrate in the axial direction in the state of the half split bodies (50a, 50b) being aligned at the split surface, the half split bodies (50a, 50b) split in two pieces can be joined by means of passing connecting pins (60) through the through holes (61), the constituent components of the reduction gear (B) are assembled in the state of the half split bodies (50a, 50b) being open, the half split bodies (50a, 50b) to which the constituent components of the reduction gear (B) have been assembled are closed, and the half split bodies (50a, 50b) split in two pieces are integrally joined by means of the connecting pins (60).

Inventors:
YAMAMOTO Tetsuya (1578 Higashikaizuka, Iwata-sh, Shizuoka 37, 〒4380037, JP)
WATANABE Yasuto (1578 Higashikaizuka, Iwata-sh, Shizuoka 37, 〒4380037, JP)
SUGIURA Saori (1578 Higashikaizuka, Iwata-sh, Shizuoka 37, 〒4380037, JP)
SATO Katsunori (1578 Higashikaizuka, Iwata-sh, Shizuoka 37, 〒4380037, JP)
IKEDA Atsushi (1578 Higashikaizuka, Iwata-sh, Shizuoka 37, 〒4380037, JP)
OOOKA Shinya (1578 Higashikaizuka, Iwata-sh, Shizuoka 37, 〒4380037, JP)
Application Number:
JP2015/057387
Publication Date:
September 17, 2015
Filing Date:
March 12, 2015
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NTN CORPORATION (3-17, Kyomachibori 1-chome Nishi-ku, Osaka-sh, Osaka 03, 〒5500003, JP)
International Classes:
F16H1/32; B60K7/00; F16B35/00; F16H57/02
Foreign References:
JP2007131295A2007-05-31
JPH11280854A1999-10-15
JPH1058964A1998-03-03
Attorney, Agent or Firm:
TORII Kazuhisa et al. (PATRIO Patent Office, Hommachi Takeda Building 1-29, Kyutaro-machi 3-chome, Chuo-Ku, Osaka-sh, Osaka 56, 〒5410056, JP)
Download PDF: