Browse Publications Technical Papers 2002-01-0931
2002-03-04

Development of Toyota's Transaxle for Mini-Van Hybrid Vehicles 2002-01-0931

Toyota introduced the world's first mass-produced hybrid passenger car, the Prius, in December 1997. In June 2001, Toyota developed the Toyota Hybrid System-CVT (THS-C). This new hybrid system for mini-vans was mounted on the Estima Hybrid.
A new transaxle was developed for the front drive unit of the THS-C system that is compact, lightweight, and highly efficient. The unit achieves excellent driving comfort with smooth speed change by CVT control. High-level driving power control is provided via a wet multiple disc clutch.
This paper introduces and explains the following aspects of the THS-C system:
  1. 1.
    Compact and lightweight technologies
  2. 2.
    High-efficiency technologies
  3. 3.
    Electronic CVT and clutch control technologies.

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