Some cone CVT layouts use two rollers.[23][24] In 1903, William Evans and Paul Knauf used for a patent on a consistently variable transmission utilizing two parallel conical rollers pointing in opposite Instructions and linked by belts that would be slid alongside the cones to vary the transmission ratio. The eCVT https://gearbox-cvt42974.blogdemls.com/32557934/the-ultimate-guide-to-gearbox-cvt