Method and apparatus for testing the uniformity of a rotary body

Details Method and apparatus for testing the uniformity of a rotary body Method and apparatus for testing the uniformity of a rotary body

1976-08-02

1977-04-19

Gill, James J.

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

73462, 2351513, G01M 1702

Patent

active

040180875

ABSTRACT:
A method and apparatus for testing the uniformity of a rotary body whereby an electrical analysis signal is produced by travel measuring or force measuring transducers having an amplitude which varies as a function of the non-uniformities, multiplied by a direct current signal which varies as a function of the speed of rotation of the body to produce a further signal which is then integrated to provide the Fourier coefficients of the Fourier development series of the analysis signal.

REFERENCES:
patent: 3490277 (1970-01-01), Sanders et al.
patent: 3527103 (1970-09-01), Hale et al.
patent: 3550442 (1970-12-01), Carr et al.

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