Condition indicating device for wheeled vehicle shock absorbers
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United States of America Patent
Stats
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Feb 23, 1982
Grant Date -
N/A
app pub date -
Apr 30, 1980
filing date -
May 2, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
According to the invention, an accelerometer (G) is attached on the spring suspension (U) of the wheel (H) in question and capable upon passing of the vehicle over road irregularities to emit a decaying A.C. signal (S) with information on the oscillations of the axle (A) and the damping of the tire. After integration in an integrator (I) the signal is a measure of the difference between the damping of the shock absorber at expansion and at compression. This signal is compared in a comparator (K) with a reference signal (V.sub.ref) for the permissible damping difference and results in alarm (L) upon achieving said difference.
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