US Patent Issued to enviolo on Oct. 14 for "Reversible variable drives and systems and methods for control in forward and reverse directions" (Texas Inventor)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,434, issued on Oct. 14, was assigned to enviolo B.V. (Amsterdam).

"Reversible variable drives and systems and methods for control in forward and reverse directions" was invented by Jon M. Nichols (Georgetown, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A ball-planetary continuously variable transmission (CVT) capable of stable control in forward and reverse rotation over a range of speed ratios including underdrive and overdrive is provided. Imparting a skew angle (zeta) causes unbalanced forces that change the tilt angle (gamma), resulting in a change in speed ratio of the CVT. Angularly orientating a control system of the CVT with a posit...