Work vehicle and work vehicle control method
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United States of America Patent
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Feb 23, 2016
Grant Date -
Dec 6, 2012
app pub date -
Feb 9, 2011
filing date -
Mar 24, 2010
priority date (Note) -
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Abstract
In a work vehicle, a controller controls an engine based on an engine torque curve for defining a relationship between an engine speed, an engine output torque, and an operation amount of an accelerator operation member. The controller controls the engine based on a first engine torque curve during torque conversion travel. The controller controls the engine based on a second engine torque curve during lockup travel. The engine output torque of the second engine torque curve is less than the engine output torque of the first engine torque curve in at least a portion of a range of the engine speed when at least the operation amount of the accelerator operation member is a predetermined operation amount that is less than a maximum operation amount.
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