Automatic transmission and control method of automatic transmission
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United States of America Patent
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Aug 27, 2019
Grant Date -
Aug 31, 2017
app pub date -
Feb 23, 2017
filing date -
Feb 29, 2016
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A dual clutch automatic transmission includes a one-way clutch provided in a driving force transmission path that establishes a certain gear ratio in a first set of gear ratios. A driving transmission direction of the one-way clutch is set such that a rotation inputted from a wheel side to an output member in a predetermined rotational direction is transmitted to the input shaft. The predetermined rotational direction corresponds to a backward movement of a vehicle. On condition that the vehicle has stopped, backward movement prevention control of causing the switching mechanism to engage a transmission gear for another gear ratio in the first set with the input shaft can be executed.
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