Invention Grant
US08795129B2 Automatic transmission 有权
自动变速器

Automatic transmission
Abstract:
A transmission includes epicyclic gearing including first, second, third and fourth gearsets, each gearset including first, second and third members; a first member of the first gearset and a first member of the second gearset being secured against rotation; and clutches, each clutch selectively opening and closing a drive connection between members of the gearsets.
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