Fuel consumption of a vehicle with power split CVT system
by Giacomo Mantriota
International Journal of Vehicle Design (IJVD), Vol. 37, No. 4, 2005

Abstract: Continuously variable transmissions have made notable progress, especially in the automotive industry, in recent years. In this work, we study the performance of a mid passenger car provided with an original Power Split CVT (PS-CVT) system. The main advantage of the proposed solution is to improve the efficiency of the CVT by means of a power flow without recirculation using two separate phases of operation. By means of a simulation model we evaluate the vehicle's fuel consumption with the hypothesis to consider the value of transmission ratio speed that minimises the specific fuel consumption. Furthermore the PS-CVT performance is compared with that of traditional CVT.

Online publication date: Thu, 24-Mar-2005

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