Wheel-balancing method and device
First Claim
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1. A method for balancing a wheel by means of balancing weights, comprising the steps of:
- measuring a degree the wheel is unbalanced;
scanning the dimensions of the wheel rim and computing the outline of the wheel rim from said scanning values;
determining optimal balancing positions of the balancing weights on the wheel rim from the computed outline of the wheel rim; and
computing the values of the balancing weights for balancing the wheel on the basis of said optimal balancing positions and the degree the wheel is unbalanced.
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Abstract
The invention concerns a device for balancing a wheel comprising a rim and a tire. This device comprises a unit for measuring the wheel imbalance and a unit for scanning the rim dimensions. The scanner unit and the imbalance-measuring unit are connected to a computer which determines a rim contour from the scanner unit output signals and then the optimum positions and dimensions for the balance weights from the contour determined in conjunction with values supplied by the imbalance-measuring unit.
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Citations
19 Claims
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1. A method for balancing a wheel by means of balancing weights, comprising the steps of:
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measuring a degree the wheel is unbalanced; scanning the dimensions of the wheel rim and computing the outline of the wheel rim from said scanning values; determining optimal balancing positions of the balancing weights on the wheel rim from the computed outline of the wheel rim; and computing the values of the balancing weights for balancing the wheel on the basis of said optimal balancing positions and the degree the wheel is unbalanced. - View Dependent Claims (2, 3, 4, 5)
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6. A device for balancing a wheel by means of balancing weights comprising:
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an unbalance measuring unit for measuring the degree that the wheel is unbalanced; a scanning device for scanning the wheel rim, and a computer being connected to the scanning device and the unbalance measuring device, wherein the scanning device includes means for detecting an outline of the wheel rim, and the computer includes means for evaluating the outline of the wheel from the output signals of the scanning device, means for determining optimal balancing positions of the balancing weights on the wheel rim; and means for computing the values of the balancing weights for balancing the wheel on the basis of said optimal balancing positions and the degree the wheel is unbalanced. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A device for balancing a wheel by means of balancing weights comprising:
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an unbalance measuring unit for measuring the degree that the wheel is unbalanced; a scanning device for scanning the wheel rim, and a computer being connected to the scanning device and the unbalance measuring device, wherein the scanning device includes a pick-up which is guided manually across the wheel rim, and detectors for detecting the movement of the pick-up, the output signals of the detectors being received by the computer, and the computer includes means for determining optimal balancing positions of the balancing weights on the wheel rim; and means for computing the values of the balancing weights for balancing the wheel on the basis of said optimal balancing positions and the degree the wheel is unbalanced.
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18. A device for balancing a wheel by means of balancing weights comprising:
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an unbalance measuring unit for measuring the degree that the wheel is unbalanced; a scanning device for scanning the wheel rim, and a computer being connected to the scanning device and the unbalance measuring device, wherein the scanning device includes a pick-up which is movable by motor drives, and the computer includes means for evaluating the outline of the wheel from the output signals of the scanning device, means for determining optimal balancing positions of the balancing weights on the wheel rim; and means for computing the values of the balancing weights for balancing the wheel on the basis of said optimal balancing positions and the decree the wheel is unbalanced.
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19. A device for balancing a wheel by means of balancing weights comprising:
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an unbalance measuring unit for measuring the degree that the wheel is unbalanced; a scanning device for scanning the wheel rim, and a computer being connected to the scanning device and the unbalance measuring device, wherein the scanning device includes a picture detecting unit, and the computer includes means for evaluating the outline of the wheel from the output signals of the scanning device, means for determining optimal balancing positions of the balancing weights on the wheel rim; and means for computing the values of the balancing weights for balancing the wheel on the basis of said optimal balancing positions and the degree the wheel is unbalanced.
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Specification