These are definitely conical pulleys with variable diameters. The motor powers the input pulley even though the output pulley sends electricity towards the wheels by way of possibly a driveshaft or CV shafts. Shafts, bearings, reducers, and couplings are all used to facilitate mechanical electric power transmission in industrial equipment https://gearboxcvt06937.blogdomago.com/31708454/the-5-second-trick-for-gearbox-cvt