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A breakthrough in the design of Toroidal CVT used to create CVT and IVT transmissions. These transmissions have been used by Tata Pixel Torotrak, NSK, Nissan, and CVTCorp . The Ultimate Transmission design uses Double Rollers in place of Single Rollers and improves the efficiency and reduces the size and complexity of the CVT.
This type of drive is used in KERS energy saving systems used by Volvo and Jaguar