Method and apparatus utilizing static imbalance to reduce vibrat

Details Method and apparatus utilizing static imbalance to reduce vibrat Method and apparatus utilizing static imbalance to reduce vibrat

1991-05-03

1993-08-17

Black, Thomas G.

Boots, shoes, and leggings

73459, 73462, 301 522, G01M 138

Patent

active

052375056

ABSTRACT:
The mass of a tire/wheel assembly is altered to apply a static imbalance to the assembly in a manner which reduces the overall tendency of the assembly to cause vibration in the plane perpendicular to its axis of rotation when in use. The applied imbalance, combined with any static imbalance initially inherent in the tire/wheel assembly, results in a desired net static imbalance oriented so as to induce a centrifugal force which opposes, and therefore tends to cancel, at least one component, such as the first order harmonic, of radial force variation characterizing the assembly. The magnitude of the net static imbalance is limited and is preferably selected to substantially equal the lesser of either: (a) a predetermined maximum limit, or (b) the amount of static imbalance required to generate at a designated highway speed a centrifugal force whose magnitude substantially equals that of the aforementioned radial force variation component.

REFERENCES:
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"Uniformity of Tire-Wheel Assemblies," D. J. Schuring, Tire Science & Technology, TSTCA, vol. 19, No. 4, Oct.-Dec. 191, pp. 213-236.

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