Vehicle suspension apparatus capable of preventing generation of transitional variation in rolling movement
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United States of America Patent
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Dec 24, 1996
Issued Date -
N/A
app pub date -
Jun 30, 1995
filing date -
Jul 14, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A suspension apparatus for vehicles capable of changing a characteristic of suspension by controlling supply/release of fluid into/from hydraulic cylinders which are respectively provided between a vehicle body and each wheel. The apparatus detects vehicle height signals at a plurality of positions and extracts at least a bouncing component signal and a rolling component signal from vehicle-height signals detected by the plurality of vehicle-height sensors. Each of the bouncing component signal and rolling component signals are filtered and are used to control supply/release of fluid into/from hydraulic cylinders based on the filtered signals. A cut-off frequency for the rolling component signal set in said filtering unit is set higher than that for the bouncing component signal.
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