Double clutch transmission

Details Double clutch transmission Double clutch transmission

2007-06-19

2007-06-19

Ho, Ha (Department: 3681)

Machine element or mechanism

Gearing

Interchangeably locked

C074S330000, C074S331000

Reexamination Certificate

active

11120562

ABSTRACT:
A dual clutch transmission with two clutches, two relative coaxial input shafts, two relative coaxial countershafts, two drive constants (gear trains, as well as one concentric transmission output shaft to the two drive shafts. Such a transmission structure is to be further embodied in such a way that through minor variations of gear mechanisms based on a construction module concept, seven-speed and eight-speed dual clutch transmissions with different direct gears, a different number of overdrive gears as well as different overall gear ratios can be manufactured. In accordance with a generic dual clutch transmission, the two countershafts by way of a coupling device can be rotationally connected with each other, and that on the countershaft embodied as hollow shaft, an idler gear is rotationally mounted, which meshes with a fixed gear on the transmission output shaft.

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