Method for measuring unbalanced wheels of an automotive vehicle

Details Method for measuring unbalanced wheels of an automotive vehicle Method for measuring unbalanced wheels of an automotive vehicle

1979-12-21

1981-06-23

Gill, James J.

Measuring and testing

Rotor unbalance

In situ

73459, G01M 128

Patent

active

042742870

ABSTRACT:
A method for measuring unbalanced wheel of an automotive vehicle according to so-called "on the car" system which does not require detaching a wheel from car body for the measurement but providing car-carrying type detector under a car on the spot. In order to provide a novel method of measuring the complete dynamic balance, two detectors respectively support the car body from under an imaginary line connecting both centers of left and right wheels. Then co-related factors, l.sub.1, l.sub.2 and l.sub.3 which are distance between said two detectors, distance between one of said detectors and an inside surface of a rotating wheel and distance between said inside surface of the wheel and the outside surface thereof respectively are taken into a calculation to provide detected values of unbalance acting on said inside and outside surfaces of said left and right wheels.

REFERENCES:
patent: 3762225 (1973-10-01), Muller
patent: 4046017 (1977-09-01), Hill

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