Double clutch transmission for motor vehicles

Details Double clutch transmission for motor vehicles Double clutch transmission for motor vehicles

2007-08-21

2007-08-21

Wright, Dirk (Department: 3681)

Machine element or mechanism

Gearing

Interchangeably locked

Reexamination Certificate

active

11111947

ABSTRACT:
The transmission comprises: a first input shaft carrying first, second and third driving gearwheels associated to odd gears and to a reverse gear; a second input shaft made in the form of a hollow shaft coaxial with the first input shaft and carrying fourth and fifth driving gearwheels associated to even gears; a first friction clutch for coupling the first input shaft to a driving shaft of the vehicle; a second friction clutch for coupling the second input shaft to the driving shaft; a first output shaft arranged parallel to the first and second input shafts and carrying a first idle driven gearwheel meshing with the first driving gearwheel for providing a first gear, a second idle driven gearwheel meshing with the second driving gearwheel for providing a third gear and a third idle driven gearwheel meshing with the fifth driving gearwheel for providing a sixth gear, as well as a first engagement sleeve for selectively engaging the first or the third gear and a second engagement sleeve for engaging the sixth gear; and a second output shaft arranged parallel to the first and second input shafts and carrying a fourth idle driven gearwheel meshing with the first idle driven gearwheel for providing the reverse gear, a fifth idle driven gearwheel meshing with the third driving gearwheel for providing a fifth gear, a sixth idle driven gearwheel meshing with the fourth driving gearwheel for providing a second gear, and a seventh idle driven gearwheel meshing with the fifth driving gearwheel for providing a fourth gear, as well as a third engagement sleeve for selectively engaging the reverse gear or the fifth gear and a fourth engagement sleeve for selectively engaging the second or the fourth gear.

REFERENCES:
patent: 4461188 (1984-07-01), Fisher
patent: 5311789 (1994-05-01), Henzler et al.
patent: 2006/0005649 (2006-01-01), Baldascini et al.
patent: 2006/0278028 (2006-12-01), Caenazzo et al.
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patent: 1 077 336 (2001-02-01), None
patent: 1 245 863 (2002-10-01), None
patent: 2 802 600 (2001-06-01), None
patent: TO2001A000286 (2001-03-01), None

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