Patent ID: 9683632
Date: 2017-06-20
CPC Classifications: B60K,F16H,Y02T

Claim:
1. A multistage gearbox for motor vehicles with a plurality of forward gears and at least one reverse gear, comprising a plurality of 3-shaft gearboxes and a plurality of shifting elements, with a drive shaft, an output shaft and a plurality of gearbox shafts, differential shafts and sum shafts, wherein a first differential shaft of a first 3-shaft gearbox is connected for conjoint rotation, via a first gearbox shaft, to a first differential shaft of a second 3-shaft gearbox; the drive shaft and a sum shaft of the second 3-shaft gearbox are connected for conjoint rotation; a fourth gearbox shaft and a second differential shaft of the second 3-shaft gearbox are connected for conjoint rotation; the fourth gearbox shaft or a fifth gearbox shaft is connected for conjoint rotation to a first differential shaft of a third 3-shaft gearbox; and a third gearbox shaft and a second differential shaft of the first 3-shaft gearbox are connected for conjoint rotation, wherein a sum shaft of the first 3-shaft gearbox is connected for conjoint rotation to a sum shaft of the third 3-shaft gearbox, the output shaft and a second differential shaft of the third 3-shaft gearbox are connected for conjoint rotation, and wherein the second differential shaft of the second 3-shaft gearbox may be rotation-connected to the sum shaft of the third 3-shaft gearbox by means of a third shifting element.