Title:
DOG-CLUTCH TRANSMISSION
Document Type and Number:
WIPO Patent Application WO/2023/113026
Kind Code:
A1
Abstract:
In a dog-clutch transmission (50) of a dog-clutch automatic transmission comprising a clutch (44) that controls the transmission of a torque from a motive power source (45) to a main shaft, a transmission (48) that switches a gear, a motive power source torque adjustment device (80) that adjusts the torque of the motive power source (45) when speed change is performed, and a control device (90) that controls the motive power source torque adjustment device (80), the control device (90) reduces, at the time of the speed change, the torque of the motive power source (45) with the clutch (44) in a fully connected state or partially connected state and a dog engagement state, increases the reduced torque of the motive power source (45) during a period from disengagement to engagement with the clutch (44) in a fully connected state or partially connected state, and again reduces, while the motive power source (45) is outputting the increased torque, the torque of the motive power source (45) with the clutch (44) in a fully connected state or partially connected state so as to resolve partial dog engagement at the time of the engagement.
Inventors:
MINAMI KENGO (JP)
TAMEMASA TAKUMA (JP)
TAMEMASA TAKUMA (JP)
Application Number:
PCT/JP2022/046517
Publication Date:
June 22, 2023
Filing Date:
December 16, 2022
Export Citation:
Assignee:
YAMAHA MOTOR CO LTD (JP)
International Classes:
F16H61/02; F16H61/682
Foreign References:
| JP2001263472A | 2001-09-26 | |||
| JP2014035065A | 2014-02-24 | |||
| JP2014034964A | 2014-02-24 | |||
| JP2014034380A | 2014-02-24 | |||
| JP2007285449A | 2007-11-01 |
Attorney, Agent or Firm:
NAKATSUJI, Shiro et al. (JP)
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