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Congress: Study on Novel High Efficiency Dog Clutch for Stepped Automatic Transmissions


Event: FISITA World Congress 14-16 September 2021 online

Name: Dr. Isamu Shiotsu

Company: Toyota Central R&D Labs

Presentation Title: F2020-ADM-010 Study on Novel High Efficiency Dog Clutch for Stepped Automatic Transmissions


Please introduce yourself briefly…

I’m working in the Toyota Central R&D Labs in Japan as a researcher to develop new powertrain, for the purpose of the improvement of mobility performances. Faster, More economy, More comfortable.


What you will talk about at this year’s FISITA World Congress?

We have developed the novel dog clutch which also works as an one-way clutch. The prototyped clutch performs better than conventional clutches, and it will enable downsizing, reduce losses and improve the shift performance. Therefore, its application to ATs as well as electric vehicle drivetrains may be beneficial.


What benefits will participants gain from your presentation?

We will share the information about the novel dog clutch that is suitable for electrified drivetrain.


Which trends do you consider as the most important for your domain of research and your geographical region?

All automobiles are driven in various environments and infrastructures in parallel with achievement of SDGs. For this, we have to choose the best combination of power source: electric power, fossil fuel, hydrogen, biomass and so on.

Technology development is needed to integrate the correct energy, drive source, and drivetrain depending on operational environment.

What challenges do these trends present?

Technology development is needed to integrate the correct energy, drive source, and drivetrain depending on operational environment.


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About the FISITA World Congress

Since 1947, the FISITA World Congress has been the leading international meeting place for industry experts, engineers and executives to exchange ideas and discuss the trends that drive the automotive industry forward. The theme for the 38th FISITA World Congress is 'From automobile to mobility. New roles. New challenges' and it will take place 14-16 September 2021, with the opportunity for the global audience to join virtually available for the first time. Registration is now open, with the Early Bird and special registration rates available until 31 August 2021.


Content from the 2020 FISITA Web Congress is available within the FISITA Technical Library, while material from previous Congress events back to 1998 is available in the FISITA Store. By the time of this year’s Congress, all the content will be available within the FISITA Technical Library, with free access provided to FISITA members.


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