Mostly, the automatic gearbox takes advantage of a roller clutch for schedule upshifts/downshifts. It operates the same as a ratchet. It transmits the torque only in a single way by free-wheeling or overrunning in the opposite. The benefit of such a clutch is usually that it gets rid of the https://gearbox-auto30851.ttblogs.com/13446965/the-ultimate-guide-to-gearbox-auto