Device for measuring the damping effect of motor vehicle suspens

Details Device for measuring the damping effect of motor vehicle suspens Device for measuring the damping effect of motor vehicle suspens

1977-05-11

1978-08-01

Ruehl, Charles A.

Measuring and testing

Testing of shock absorbing device

In situ vehicle suspension

G01M 1704

Patent

active

041035321

ABSTRACT:
This invention relates to a device for measuring the damping effect of motor vehicle suspensions. The device according to the invention comprises operating means for imparting a periodic vertical oscillating movement to a motor vehicle suspension, first and second sensor means for transducting into corresponding electrical signals the instantaneous force transmitted to the suspension and the instantaneous displacements of the point of application of said oscillating movement to the suspension, first processing means for calculating and integrating over one cycle the scalar product of said signals and second processing means for dividing said integrated scalar product by a quantity proportional to the product of the oscillation frequency and the square of the oscillation amplitude.

REFERENCES:
patent: 3416363 (1968-12-01), Siems
patent: 3836757 (1974-09-01), Nachtigal et al.
patent: 3902352 (1975-09-01), Buzzi
patent: 3981174 (1976-09-01), Himmler

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