Method and apparatus for balancing a wheel of a vehicle or the l

Details Method and apparatus for balancing a wheel of a vehicle or the l Method and apparatus for balancing a wheel of a vehicle or the l

1989-02-02

1991-04-16

Black, Thomas G.

Boots, shoes, and leggings

364508, 73 66, G01M 122

Patent

active

050088262

ABSTRACT:
A balancing apparatus comprises a shaft on which a wheel may be mounted drivably for rotation. Electrical sensors are coupled to the shaft and issue sensor output signals when forces are acting on the wheel. A computer calculates the unbalance data from the sensor output signals in combination with specific wheel data and displays the result. The wheel at rest is made vibrate and the specific wheel data are calculated from the sensor output signals issued by the sensors on vibration of the wheel, the sensor output signals being compared to sample signals being specific for each particular type of wheel and having been stored together with the specific wheel data. In case of identity of the sensor output signals with the sample signals the specific wheel data are made available for calculating the unbalance data. The sensor output signals issued when the wheel is driven, are transformed into an unbalance frequency spectrum and the unbalance data are calculated from the unbalance frequency spectrum.

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Mesures Regulation Automatisme, vol. 44, No. 11, Nov. 1979, pp. 97-108; J.-F. Cros.: "Comment soigner les machines tournantes . . . Qui Vibrent".
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