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Infinitely Variable Transmissions Using a Toroidal Traction Variator Web Seminar RePlay

An Infinitely Variable Transmission (IVT) is a subset of a CVT (Continuously Variable Transmission) defined as a device that has a range of ratios of input shaft speed to output shaft speed which includes an Infinite ratio in which the output speed is zero.  Typically these devices include both positive and negative ratios on either side of zero resulting in the ability to move forward and reverse from rest without a clutch:  IVTs can improve vehicle performance while maintaining or exceeding benchmark functionality and performance. IVTs are a good candidate for future, fuel-efficient vehicles, particularly hybrids and AWDs.