Two stage reduction gearbox with multiple non selectable ratios for three wheeler EV applications

Abstract

A line of transmissions is described having a first multi-stage reduction gearbox that includes a first stage (first reduction set) having a variable ratio belt drive with a first fixed ratio, and a second stage (second reduction set) having fixed gears; and a second multi-stage reduction gearbox including a first stage having the same variable ratio belt drive as the first multi-stage reduction gearbox but with a second fixed ratio different from the first, and a second stage having the same fixed gears as the second stage of the first multi-stage reduction gearbox.

Dependencies are inferred from the claim text.