Title:
TRANSMISSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/075296
Kind Code:
A1
Abstract:
Provided is a transmission device that can suppress a degradation in the lubrication of a bearing when a vehicle is in backward travel. One aspect of the present disclosure is a transmission device comprising a transmission mechanism and a gear case that accommodates the transmission mechanism. The transmission mechanism has an input gear, a counter gear, and a ring gear. The counter gear has a first gear and a second gear. The center of rotation of the counter gear is positioned higher than the center of rotation of the input gear and the center of rotation of the ring gear. The gear case has: a catch tank; a main guide that feeds, to the catch tank, oil that has been scooped up by the ring gear when the ring gear is rotating in a first direction; and a reverse guide that feeds, to the catch tank, oil that has been scooped up by the first gear when the ring gear is rotating in a second direction.
Inventors:
BUTTA NAOFUMI (JP)
KATO NOBUYASU (JP)
SUZUKI MUTSUMI (JP)
KATO NOBUYASU (JP)
SUZUKI MUTSUMI (JP)
Application Number:
PCT/JP2022/037706
Publication Date:
April 11, 2024
Filing Date:
October 07, 2022
Export Citation:
Assignee:
MUSASHI SEIMITSU KOGYO KK (JP)
International Classes:
F16H57/04
Foreign References:
| CN111692324A | 2020-09-22 | |||
| JP2021063536A | 2021-04-22 | |||
| JP2019138381A | 2019-08-22 |
Attorney, Agent or Firm:
NAGOYA INTERNATIONAL IP FIRM (JP)
Download PDF: