BALL TYPE CVT/IVT INCLUDING PLANETARY GEAR SETS
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United States of America Patent
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Issued Date -
Aug 13, 2015
app pub date -
Sep 3, 2013
filing date -
Sep 7, 2012
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Abstract
Disclosed herein are power transmissions having one or more operational modes, for example, a continuously variable transmission (CVT) mode, an infinitely variable transmission (WT) mode, and an WT/CVT mode, that can be selected for by engaging different clutches and brakes. Disclosed herein are power transmissions comprising a power input shaft, one or more planetary gear sets, a variator (such as a CVT), and one or more clutches and brakes. In some embodiments, a first brake selects an WT mode, a second brake selects a CVT mode, and a third brake selects an WT/CVT mode.
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