Wheel loader
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United States of America Patent
Stats
-
Feb 27, 2024
Grant Date -
Oct 14, 2021
app pub date -
Dec 13, 2019
filing date -
Mar 29, 2019
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Provided is a wheel loader capable of reducing erroneous determination of rear wheel lifting. The wheel loader 1 includes a controller 5 for determining a rear wheel lifting state where rear wheels 11B are lifted upwardly. The controller 5 is configured to, when a temporal change rate α of a bucket operation angle becomes a temporal change rate of a bucket operation angle necessary for a tilt operation of a bucket 23 during an excavation operation and a temporal change rate β of a vehicle body inclination angle estimated by the controller 5 becomes a temporal change rate of an obliquely upward inclination state of a rear vehicle body with respect to a front vehicle body, turn on a correlation flag indicating a correlation between an operation state of the bucket 23 and an inclination state of a vehicle body to determine a rear wheel lifting.
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