Patent ID: 9328802
Filing Date: 2016-05-03
CPC Classification: F16H

Claim Text:
1. A planetary gear set with several gear stages and planet gears, comprising an internally geared annular ring with which planet gears of at least one gear stage are in engagement, further comprising wherein at least one circular insert part with external and internal gearing is arranged in said annular ring, whereby the external gearing is in engagement with the annular ring and the internal gearing meshes with planet gears of another gear stage, further comprising wherein (i) the annular ring is designed with a first and a second internal gearing section in an axial direction, whereby the planet gears of the at least one gear stage are in engagement with the first gearing section and the external gearing of the insert part is in engagement with the second internal gearing section and (ii) for forming a transition from the first internal gearing section to the second internal gearing section, a shoulder is provided, which the insert part contacts with a face-side of the insert part, further comprising wherein for forming a face-side projection of the annular ring, the second internal gearing section is longer in the axial direction than the axial length of the insert part, and further comprising a motor flange designed to form a spline with the face-side projection of the annular ring.