Vehicle control during tip-in
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United States of America Patent
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-
Nov 20, 2018
Grant Date -
Aug 16, 2018
app pub date -
Feb 13, 2017
filing date -
Feb 13, 2017
priority date (Note) -
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Abstract
A vehicle powertrain includes an engine and a transmission, each controlled by controllers that communicate with one another. When the vehicle is coasting in certain gears, a one-way clutch over-runs. When the driver depresses the accelerator pedal (tips in), the transmission controller adjusts a transmission torque demand limit which is communicated to the engine controller. In response, the engine controller adjusts the engine torque, resulting in a smooth re-engagement of the one-way clutch.
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