Body swing control apparatus for industrial vehicles
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 24, 2001
Grant Date -
N/A
app pub date -
Apr 16, 1998
filing date -
Apr 23, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A rear axle which supports rear wheels is attached to the body of a vehicle in such a way as to be swingable up and down around a center pin. A controller detects the running state from detection values .theta. and V of a sensor for detecting the tire angle of the rear wheels and a sensor for detecting a vehicle speed, and detects the load state from detection values H and w of a height sensor and a pressure sensor. When a determination value derived from the detection values .theta. and V becomes equal to or greater than a set value which is determined in accordance with the detection values H and w, an electromagnetic changeover valve of a dumper is switched to carry out control to lock the rear axle. When a sensor is diagnoses as failing, maximum values .theta.max and Vmax or the like are selected as most severe detection values. Even one of a set of sensors fails, therefore, the rear axle will not be locked as long as the vehicle runs in such a way that the detection value of the other sensor allows the determination value to be smaller than the set value.
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Family
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