WO WO2022250606A1
A dual input transmission assembly including an primary internal ring gear rotatable about a central rotational axis; a transfer internal ring gear coaxially arranged beside the primary internal ring gear; a set of planetary gears extending axially from within the primary internal ring gear to within the transfer internal ring gear, each having a first axial portion meshed with the primary internal ring gear and a second axial portion meshed with the transfer internal ring gear; a planet carrier to hold the set of planetary gears; an primary sun gear meshed with the first axial portions; and a planet carrier brake to selectively engage the planet carrier, wherein a rotation of the transfer internal ring gear is generated by rotating the primary sun gear with the planet carrier brake engaged, or rotating the primary internal ring gear, or counter-rotating the primary sun gear and the primary internal ring gear.
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