Title:
POWER TRANSMISSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/137287
Kind Code:
A1
Abstract:
[PROBLEM] To improve lubrication efficiency in a power transmission device. [SOLUTION] This power transmission device comprises a drive shaft, a side gear of a differential mechanism connected to the drive shaft, and a case which houses the differential mechanism. The differential mechanism comprises a pinion mate gear which meshes with the side gear. The case comprises a first lubrication groove which is provided on the outer circumference of the drive shaft and extends along the axial direction thereof, and a second lubrication groove which is contiguous with the first lubrication groove and extends along the radial direction of the drive shaft.
Inventors:
KAGAMI TAKAYA (JP)
Application Number:
PCT/JP2020/045429
Publication Date:
July 08, 2021
Filing Date:
December 07, 2020
Export Citation:
Assignee:
JATCO LTD (JP)
International Classes:
H02K7/116; B60K17/16; F16H48/40; F16H57/04
Foreign References:
| JPH0635726U | 1994-05-13 | |||
| JPS60114352U | 1985-08-02 | |||
| JPH10159943A | 1998-06-16 | |||
| JP2018100748A | 2018-06-28 | |||
| JP2019183871A | 2019-10-24 |
Attorney, Agent or Firm:
TAKEHARA Naohiko et al. (JP)
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