Title:
DOG CLUTCH-TYPE TRANSMISSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/113032
Kind Code:
A1
Abstract:
Provided is a transmission control device (50) for a dog clutch-type automatic transmission comprising a clutch actuator (60) that controls a clutch (44), a transmission (48) that performs gear switching, a power source torque adjustment device (80) that adjusts the torque of a power source (45) during a speed change, and a control device (90) that controls the clutch actuator (60) and the power source torque adjustment device (80), wherein: when a speed change command has been generated, in a period from the start of an operation to release the dog engagement between a driving dog and a driven dog until the end of a dog engagement operation, the control device (90) controls both the clutch actuator (60) and the power source torque adjustment device (80) having received a shift-up command so that a torque adjustment pattern of the power source (45) and an operation pattern of the clutch (44) are different between in a high-rotation high-torque drive force state and in a low-rotation low-torque drive force state.
Inventors:
MINAMI KENGO (JP)
TAMEMASA TAKUMA (JP)
TAMEMASA TAKUMA (JP)
Application Number:
PCT/JP2022/046537
Publication Date:
June 22, 2023
Filing Date:
December 16, 2022
Export Citation:
Assignee:
YAMAHA MOTOR CO LTD (JP)
International Classes:
F16H61/08; F16H61/682; F16H63/50
Foreign References:
| JP2015108438A | 2015-06-11 | |||
| JP2009162357A | 2009-07-23 | |||
| JP2012197896A | 2012-10-18 |
Attorney, Agent or Firm:
NAKATSUJI, Shiro et al. (JP)
Download PDF: