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US 5,739,428 AGranted
System for speed-controlled balancing the wheel of a motor vehicle
AssigneeBeissbarth GmbH
InventorsHermann Bux, Peter Ross
Life of this patent
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Abstract
A balancing machine for balancing a wheel, wherein the wheel is rotated by a drive device for measuring the unbalance, is provided with a speed control device for controlling the speed of the drive device. The speed control device includes a computer and a frequency converter. Further drive devices can be switched by a switch-over device.
Claims10
A balancing machine for balancing a wheel, comprising:
- a drive device for rotating a wheel for measuring an imbalance in the wheel, said drive device including a motor and a balancing shaft;
- means for measuring the imbalance;
- and
- a speed control device for controlling the speed of the drive device, said speed control device including a controllable frequency converter and means for controlling the controllable frequency converter so as to softly start and brake the balancing shaft and thereby control the balancing shaft at selected speeds, said control means including a computer.
1 more element
Dependencies are inferred from the claim text.