AUTOMATIC TRANSMISSION AND CONTROL METHOD FOR THE SAME
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United States of America Patent
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Issued Date -
Aug 27, 2015
app pub date -
Sep 24, 2013
filing date -
Sep 26, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A control unit performs a fastening control, which supplies an ON pressure to a fastening-side oil chamber to set a lock mechanism to a locked state and then decreases a hydraulic pressure of the fastening-side oil chamber, when a running mode is selected, and performs a releasing control, which supplies an OFF pressure to a release-side oil chamber to set the lock mechanism to an unlocked state and then decreases a hydraulic pressure of the release-side oil chamber, when a non-running mode is selected. The control unit supplies the OFF pressure to the release-side oil chamber when a stop of operation of the driving force source is notified, and allows stopping the operation of the driving force source when the lock mechanism becomes the unlocked state afterward.
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