06099431 is referenced by 86 patents and cites 7 patents.

A method for operating an automatic traction drive transmission for use in motor vehicles having a first gear unit for operation in an infinitely variable mode and a second gear unit for operation in a continuously variable mode includes connecting the first gear unit to the transmission output, disconnecting the second gear unit from the first gear unit, and changing the speed ratio of the variator to produce low forward and low reverse ranges, or connecting the second gear unit to the first gear unit, disconnecting the first gear unit from the transmission output, and changing the speed ratio of the variator to produce high mode low and high forward ranges.

Title
Method for operating a traction drive automatic transmission for automotive vehicles
Application Number
9/306503
Publication Number
6099431
Application Date
May 6, 1999
Publication Date
August 8, 2000
Inventor
Daniel Warren McCarrick
Canton
MI, US
Forrest William Hoge
Whitmore Lake
MI, US
Agent
Frank G McKenzie
Assignee
Ford Global Technologies
MI, US
IPC
F16H 37/02
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