Three clutch powershift transmission
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United States of America Patent
Stats
-
Jun 30, 2009
Grant Date -
Sep 20, 2007
app pub date -
Jan 24, 2007
filing date -
Mar 16, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An automated triple-clutch multi-speed transmission is adapted to transfer power from the engine to the driveline of a motor vehicle. The transmission includes a first clutch operable for establishing a releasable drive connection between an input shaft and a first shaft, a second clutch operable for establishing a releasable drive connection between the input shaft and a second shaft and a third clutch operable for establishing a releasable drive connection between the input shaft and a third shaft. A first constant mesh gearset is driven by the first shaft. A second constant mesh gearset is driven by the second shaft. A third constant mesh gearset is driven by the third shaft. First, second and third gearset clutches are operable for releasably drivingly coupling the first, second and third gearsets to a countershaft which, in turn, drives an output shaft.
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