CVT target engine speed control
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United States of America Patent
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Sep 19, 2017
Issued Date -
N/A
app pub date -
Nov 11, 2016
filing date -
Nov 11, 2016
priority date (Note) -
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Abstract
A machine may include an engine, a traction device, a continuously variable transmission (CVT) connecting the engine to the traction device, an operator input device outputting engine output command signals input by an operator, an engine speed sensor monitoring an engine output speed, and an electronic control module (ECM). The ECM may control the engine to a target engine speed determined from the engine output command signals using engine speed sensor signals as feedback. The ECM determines a CVT transmission ratio that will cause the CVT to apply a load to the engine that will cause the engine to run at the target engine speed.
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