Weber State University (WSU) - Automotive Technology Department - Transmission Lab. Toyota Prius Electronic Continuously Variable Transaxle (eCVT) model P112. How an eCVT Works. GM, Ford, and Nissan eCVTs are similar. The Honda Integrated Motor Assist System (IMA) is completely different.

eCVTs allow the engine to operate (when necessary) at the RPM for peak efficiency while increasing and decreasing the transmission drive ratio to change vehicle speed.

Questions:
1. List the four major components of an eCVT transmission
2. What is the purpose of the MG2?
3. To which piece of the planetary gear set is MG2 connected?
4. What is the purpose of the MG1?
5. To which piece of the planetary gear set is MG1 connected?
6. What is the purpose of the Internal Combustion Engine (ICE)?
7. To which piece of the planetary gear set is the ICE connected?
8. What are some advantages of an eCVT?
9. What are some disadvantages of an eCVT?
10. Tell me one thing you learned or found interesting in this video.

This video helps satisfy NATEF Task A2.C.24. "Describe the operational characteristics of a hybrid vehicle drive train. (eCVT)", a priority 3 task.

CVTs are different and are demonstrated in another WeberAuto video.

www.weber.edu/automotive

Join us for hybrid and electric vehicle training with two online courses and in a 5-day on-campus boot camp with Professor John D. Kelly. See http://www.weber.edu/evtraining for more information.

This video was created and edited by Professor John D. Kelly at WSU. For a full biography, see http://www.weber.edu/automotive/J_Kel...

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