Torque Converter Operating with Power Splitting Concept

Document Type : Original Article

Author

Assistant professor, Faculty of Eng., Mataria, Helwan University, Cairo, Egypt.

Abstract

Vast researches have been performed to enhance the torque converter due to its significance in different power transmission applications. However, some of its problems are not completely solved. Consequently, this work introduces a principal modification to the torque converter not only to eliminate such problems but also to operate it with advanced features. The present torque converter operates with the power splitting concept where its input power is split into two power paths, then combined after regulation. This system is represented by a conventional torque converter attached to one planetary gear set. Two unique positive displacement hydraulic couplings of the same type are utilized to regulate power in the two power paths. A feasible model is derived to predict and study the conventional torque converter performance where the global intrinsic losses are empirically included. Based on this model and gear kinematics, the simulated results demonstrate that the present torque converter operates as a continuously variable transmission used for different applications.

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