Title:
DRIVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/188618
Kind Code:
A1
Abstract:
In a drive device according to an aspect of the present invention, a housing has a side wall, a holding cylindrical part, and a projecting part. The holding cylindrical part holds a bearing. The holding cylindrical part is provided with a first opening part penetrating in the radial direction of a third axis. The first opening part has an inlet end positioned on the outer circumferential surface of the holding cylindrical part. The inlet end opens on one side in a third direction. The projecting part is positioned at one side from the first opening part in the third direction and between a second axis and the third axis in a second direction. The projecting part has a first surface oriented to one side in the second direction and a second surface oriented to the other side in the second direction. The first surface receives a fluid scraped up by a gear, and guides the fluid to the first opening part. The second surface receives a fluid scraped up by a ring gear, and guides the fluid to the first opening part.
Inventors:
TSUJIMOTO KENTO (JP)
ASO KEISUKE (JP)
OSUGA SHOHEI (JP)
WADA NAOHIRO (JP)
ASO KEISUKE (JP)
OSUGA SHOHEI (JP)
WADA NAOHIRO (JP)
Application Number:
PCT/JP2022/047295
Publication Date:
October 05, 2023
Filing Date:
December 22, 2022
Export Citation:
Assignee:
NIDEC CORP (JP)
International Classes:
F16H57/04; H02K7/116
Domestic Patent References:
| WO2019098166A1 | 2019-05-23 |
Foreign References:
| JP2020186765A | 2020-11-19 | |||
| JP2019138383A | 2019-08-22 | |||
| CN111692324A | 2020-09-22 |
Download PDF: