Selectable Clutch

Our innovative clutch system is engineered specifically for electrified drivetrains, including HEVs, PHEVs, and xEVs.
It delivers seamless power transitions compared to conventional wet multi-plate and dog clutches, contributing to enhanced responsiveness and reduced noise for a smoother driving experience.
In addition, adaptive mode selection based on driving conditions helps minimize energy loss during idle phases, enabling high-efficiency performance across a wide range of driving scenarios.

Cam Selectable Clutch

Structure

Structure

Simple, Efficient Mechanism for Seamless Mode Switching

Featuring a streamlined design, this clutch system switches between 1-way lock mode and 2-way free mode by externally controlling the cam orientation.
In 2-way free mode, the selector disengages the cam, allowing the inner ring to rotate freely without contact—significantly reducing drag torque during idle or coasting conditions.
This mechanism contributes to energy-saving performance and supports high drivetrain efficiency in electrified vehicles.

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Toward a Sustainable Society

The Tsubaki Group is engaged in the “art of moving” and aims to provide value that exceeds expectations
to become a company that continues to be needed by society.