A Double Planetary Gear Train-CVT Transmission with Multiple Applications

950094

02/01/1995

Event
International Congress & Exposition
Authors Abstract
Content
A family of transmission systems based on a “Planetary Gear - CVT” mechanism is presented here. The systems considered consist of two compound planetary gear trains connected through a CVT pulley system to provide the power/torque split and recirculation function, without the use of additional clutches and/or chain drives. A two degree of freedom system results in which one of the degrees of freedom is directly related to the CVT ratio.
The mechanisms considered here combine the gear reduction function of compound planetary gear trains with the continuously variable trans-
used as a circulating power control unit.
The kinematics and dynamics of this family of systems is presented with emphasis on the belt forces, torques on the various shafts and the overall input/output velocity ratios through the CVT ratio span.
Then a parametric analysis is conducted to characterize the effect of the various functional ratios and parameters of the system in terms of the overall performance. Finally, various potential applications are discussed and the associated design configurations are presented.
Specifically, some applications related to automotive auxiliary equipment and industrial equipment transmissions are presented.
Meta TagsDetails
DOI
https://doi.org/10.4271/950094
Pages
12
Citation
Mucino, V., Smith, J., Sharma, P., Cowan, B. et al., "A Double Planetary Gear Train-CVT Transmission with Multiple Applications," SAE Technical Paper 950094, 1995, https://doi.org/10.4271/950094.
Additional Details
Publisher
Published
Feb 1, 1995
Product Code
950094
Content Type
Technical Paper
Language
English