Systems and methods for controlling rollback in continuously variable transmissions
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United States of America
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Apr 19, 2022
Grant Date -
Jun 3, 2021
app pub date -
Feb 16, 2021
filing date -
Feb 16, 2021
priority date (Note) -
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Abstract
A continuously variable transmission capable of operating in a forward direction or reverse direction may be controlled in the reverse direction by providing an initial skew angle in a first skew direction, followed by a set or sequence of skew angle adjustments in an opposite direction to prevent runaway or other unintended consequences. A continuously variable transmission may include a timing plate to maintain all planets at an angle or within a range of an angle in forward and reverse operations.
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