Wheel balancer apparatus with improved imbalance correction weight positioning
US6484574B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 8, 2000 |
| Grant date | Nov 26, 2002 |
| Priority date | — |
| Expiry date | Nov 8, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01M1/225
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A balancer for a wheel rim/tire assembly, including a rotation sensor assembly for measuring rotation, and a motor operatively connected for rotating the wheel rim/tire assembly. A control circuit controls the motor to actively hold the wheel rim/tire assembly at a desired rotational position. A rim measuring apparatus is configured to scan the inner surface of the wheel rim/tire assembly. The optimum plane locations, amounts of correction weights, and the number of correction weights, are calculated by the control circuit to result in a minimized residual static and dynamic imbalance. The control circuit utilizes the motor drive to automatically index and hold the wheel rim/tire assembly at the proper rotational position for placement of an imbalance correction weight, and a laser pointer illuminates the surface of the wheel rim/tire assembly at the axial position of the weight imbalance correction plane at which the imbalance correction weight is to be applied.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.