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Oerlikon Graziano to unveil details on new AMT for hybrid drivetrains

3 December 2012

Oerlikon Graziano will present details on its new Automated Manual Transmission (AMT) with torque infill targeted at hybrid drivetrains at this year’s international CTI symposium in Berlin. The technology combines the seamless shifting benefits of a Dual Clutch Transmission (DCT) with the packaging and weight advantages of an AMT.

The adoption of hybrid technology in the next generation of high-performance cars makes a stronger case for AMTs as they are lighter and more easily packaged. Along with our control systems partner Vocis, we are presenting a new transmission technology specifically designed to be combined with a hybrid drive system. To fully exploit the benefits and efficiency gains of a hybrid drivetrain a bespoke transmission is needed.

—Carlo Cavallino, Oerlikon Graziano Project Development Engineer

Oerlikon Graziano’s solution is an AMT gearbox which can be combined with a hybrid system that is fully integrated into the transmission package. The electric motor is linked to the main transmission through a two-speed gear set providing torque to the drivetrain in between gear selection enabling constant torque delivery.

Engine transient states play a significant part in a vehicle’s emissions ratings. Our technology combines two benefits: engine working in a more efficient condition and smoother gearshift compared to a traditional AMT. It also allows vehicle manufacturers to further benefit from their investment in hybrid technologies by optimizing the efficiency and overall system weight.

—Carlo Cavallino

Cavallino will be presenting the technology at this year’s International CTI symposium in Berlin which will be covering innovative automotive transmissions and hybrid and electric drives.

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