A new hybrid CVT design: CVPSTs
by Serhan Ozdemir, John Schueller
International Journal of Heavy Vehicle Systems (IJHVS), Vol. 9, No. 4, 2002

Abstract: Automotive transmissions match the speed and the torque of the power source to the speed and torque requirements of the load. Properly designed continuously variable transmissions (CVTs) have shown promise to improve efficiency and performance. This work discusses some existing CVTs and proposes a new hybrid continuously variable power split transmission (CVPST). The speed relationships are analysed in power split and power recirculation mechanisms, the problem of geared neutral phenomenon with recirculating transmissions are identified and these two separate issues are left out as a topic for another paper. A new ''all-in-one'' CVPST transmission incorporating power split and power recirculation is proposed.

Online publication date: Tue, 01-Jul-2003

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