Continuously variable transmission and control method thereof
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United States of America Patent
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Apr 29, 2014
Grant Date -
Sep 30, 2010
app pub date -
Mar 19, 2010
filing date -
Mar 27, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A transmission controller permits a 2-1 shift, in which a gear position of a subtransmission mechanism is changed from a second speed to a first speed, when an accelerator pedal has been depressed to or above a predetermined opening. The gear position of the subtransmission mechanism is changed from the second speed to the first speed when an actual through speed ratio passes a mode switch line from a High side to a Low side while the 2-1 shift is permitted in the subtransmission mechanism.
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