Abstract
Applying a Continuously Variable Transmission (CVT) in an automotive driveline has several advantages. A CVT can operate at a wider range of transmission ratios, therefore the engine can be operated more efficiently than with a stepped transmission. The present research focuses on developing influence of loading conditions on the slip behavior and torque transmitting ability of the CVT. The aim of this work is to model of CVT investigates the range of clamping forces needed to initiate the transmission and to successfully meet the oil pressure requirements, this model has been applied on MATLAB program. An analytical approach is used the calculate possible transmission efficiency and traction coefficient of the bush belt CVT. The experimental setup and the instrumentation are present in detail; the measurement results are presented allowing for a more detailed description of the functional properties of the V-belt type variator, especially those related to reapply value of oil pressure by separate artificial hydraulic circuit and reduction ratio CVT. All the results of the practical and the theoretical investigation are presented and discussed to conclude the better operating conditions of the CVT system.
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