Title:
RAILWAY VEHICLE DRIVE UNIT
Document Type and Number:
Japanese Patent JP2010249162
Kind Code:
A
Abstract:
To provide a railway vehicle drive unit which provides a high reduction gear ratio in a small size and has improved lubrication performance and higher reliability.
The railway vehicle drive unit 12 includes a reduction gear housing 13 supported on the inner diameter surface of a wheel, an input-side rotating member 14, curved plates 17 and 18, inner pins 19 and 20, an outer pin 21, first and second carriers 24 and 25, axle bearings 26 and 27, main shaft bearings 30a and 30b, and eccentric bearings 32 and 33. At least either of the axle bearings 26 and 27, the main shaft bearings 30a and 30b, and the eccentric bearings 32 and 33 is a rolling bearing including a retainer having a lubricating oil retaining mechanism.
Inventors:
MIKI DAISUKE
KATAOKA YUKIHIRO
YAMADA MASAHIRO
ADACHI TAKAHISA
TAMADA KENJI
KATAOKA YUKIHIRO
YAMADA MASAHIRO
ADACHI TAKAHISA
TAMADA KENJI
Application Number:
JP2009096450A
Publication Date:
November 04, 2010
Filing Date:
April 10, 2009
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD
International Classes:
F16H1/32; B60K7/00; B61C9/46; F16C19/26; F16C33/56; F16C33/66
Attorney, Agent or Firm:
Hidehiko Ito
Morishita Hachiro
Hiroyuki Yoshida
Morishita Hachiro
Hiroyuki Yoshida