Automatic transmission controller
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United States of America Patent
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-
Feb 16, 2016
Grant Date -
Dec 11, 2014
app pub date -
Jun 2, 2014
filing date -
Jun 11, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An automatic transmission controller for controlling an automatic transmission includes a neutral controller which is configured to perform neutral control, a neutral control permission determiner, and an engagement controller. The automatic transmission includes a plurality of planetary gear mechanisms and a plurality of engagement mechanisms. One of the plurality of engagement mechanisms is a mechanical engagement mechanism. The engagement controller is configured to allow rotation of an input shaft of the automatic transmission in a case where the neutral control determiner permits the neutral control and configured to set the plurality of engagement mechanisms including at least the mechanical engagement mechanism so as to fix an output shaft of the automatic transmission to a casing of the automatic transmission in a case where the output shaft of the automatic transmission is rotated by a wheel of a vehicle in a rotational direction such that the vehicle moves backward.
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