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Title:
VEHICLE POWER TRANSMISSION DEVICE
Document Type and Number:
Japanese Patent JP2022074790
Kind Code:
A
Abstract:
To provide a vehicle that includes a transmission having a shift mechanism and suppresses noise caused by a shifting operation sound, which is felt by a driver during shifting operation.SOLUTION: A vehicle power transmission device 11 includes a transmission 4 having a shift mechanism 6 for shifting power inputted from drive sources 2, 3 to a power transmission path for transmitting the power from the drive sources 2, 3 to drive wheels 10. The vehicle power transmission device 11 includes noise suppressing means 12 for suppressing noise which is felt by a driver due to a shifting operation sound generated during shifting operation of the shift mechanism 6. The noise suppressing means 12 raises an environmental sound in the installation environment of the transmission 4 so that the sound pressure level of the shifting operation sound with respect to the environmental sound becomes small during the shifting operation.SELECTED DRAWING: Figure 1

Inventors:
YOSHIKAWA SHIGEO
OYAMA HAJIME
TOI TAKESHI
NOJIMA ERIKO
Application Number:
JP2020185141A
Publication Date:
May 18, 2022
Filing Date:
November 05, 2020
Export Citation:
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Assignee:
MAZDA MOTOR
International Classes:
F02D29/00; B60K6/485; B60K6/547; B60W10/02; B60W10/04; B60W10/06; B60W10/08; B60W10/10; B60W10/24; B60W20/17; B60W20/30; F02D29/06; F16D11/10; F16D48/02; F16H61/04; F16H63/50
Attorney, Agent or Firm:
Takuji Yamada
Mikio Tanaka