Title:
LUBRICANT SUPPLY OIL-PASSAGE STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2023/053501
Kind Code:
A1
Abstract:
[Problem] To improve the introduction of a lubricant into a bearing while maintaining the supply stability of the lubricant. [Solution] This lubricant supply oil-passage structure for a bearing that rotationally supports a rotating body on a case comprises: a first oil passage formed inside the rotational axis of the rotating body; a second oil passage that is in communication with the first oil passage and provided outside the rotational axis; a third oil passage that is in communication with the second oil passage, passes through the rotating body, and opens toward the bearing; a wall provided on the rotating body such that the base end is positioned on the outer side in the radial direction than the connection point between the second oil passage and the third passage and preventing the lubricant supplied from the second oil passage from scattering in the centrifugal direction; and a projection that is provided on a facing member facing the rotating body in the axial direction at a position on the inner side in the radial direction than the wall and projects in the axial direction such that the top end is oriented to the base end of the wall.
Inventors:
KAKIMI AKIRA (JP)
AOYAGI TSUYOSHI (JP)
SHIMOZONO KAZUTOSHI (JP)
AOYAGI TSUYOSHI (JP)
SHIMOZONO KAZUTOSHI (JP)
Application Number:
PCT/JP2022/010925
Publication Date:
April 06, 2023
Filing Date:
March 11, 2022
Export Citation:
Assignee:
JATCO LTD (JP)
International Classes:
H02K9/19; F16H57/04
Domestic Patent References:
| WO2020067259A1 | 2020-04-02 |
Foreign References:
| JP2005282593A | 2005-10-13 | |||
| JP2015052374A | 2015-03-19 | |||
| JPH0681929A | 1994-03-22 |
Attorney, Agent or Firm:
GOTOH & PARTNERS (JP)
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