Mostly, the automatic gearbox takes advantage of a roller clutch for plan upshifts/downshifts. It operates much like a ratchet. It transmits the torque only in one course by absolutely free-wheeling or overrunning in the opposite. The advantage of such a clutch is usually that it eradicates the potential of concurrently https://dominickdqzhq.blogocial.com/gearbox-auto-an-overview-69563345