Dual clutch transmission having low gear mesh loss

Details Dual clutch transmission having low gear mesh loss Dual clutch transmission having low gear mesh loss

2006-08-01

2006-08-01

Lewis, Tisha (Department: 3681)

Planetary gear transmission systems or components

Nonplanetary variable speed or direction transmission...

Nonplanetary transmission is belt or chain gearing

C475S215000, C475S218000

Reexamination Certificate

active

07083540

ABSTRACT:
A power transmission for a motor vehicle In realizing these advantages, a power transmission according to this invention includes an input shaft, an output, and a layshaft disposed parallel to the input shaft. A pair of drive elements includes a first element secured to the input shaft, and a second element journalled on the layshaft and driveably connected to the first element. A first coupler is secured to the layshaft for releasably coupling the second element and the layshaft. A planetary gear unit driveably connecting the layshaft and the output, includies a sun gear secured to the layshaft, a ring gear surrounding the sun gear and fixed against rotation, a carrier driveably connected to the output, and a set of planet pinions meshing with the sun gear and ring gear and rotatably supported on the carrier.

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patent: 2003/0199353 (2003-10-01), Bowen
patent: 1249361 (2002-10-01), None
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patent: 2081824 (1982-02-01), None
patent: WO 03/033939 (2003-04-01), None

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