Method and apparatus for selection of balancer static imbalance correction mode
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01M-001/00
출원번호
UP-0952809
(2007-12-07)
등록번호
US-7658108
(2010-04-02)
발명자
/ 주소
Douglas, Michael W.
출원인 / 주소
Hunter Engineering Company
대리인 / 주소
Polster, Lieder, Woodruff & Lucchesi, L.C.
인용정보
피인용 횟수 :
4인용 특허 :
25
초록▼
A method for measuring the imbalance characteristics of a rotating body, and for determining if an application of at least one imbalance correction weight in only one of two identified imbalance correction weight planes is sufficient to reduce the measured imbalance characteristics of the rotating b
A method for measuring the imbalance characteristics of a rotating body, and for determining if an application of at least one imbalance correction weight in only one of two identified imbalance correction weight planes is sufficient to reduce the measured imbalance characteristics of the rotating body to an acceptable residual imbalance level.
대표청구항▼
The invention claimed is: 1. A method for balancing a vehicle wheel assembly, comprising: measuring an imbalance parameter associated with the vehicle wheel assembly, said imbalance parameter selected to be representative of one of either a static imbalance condition or a couple imbalance condition
The invention claimed is: 1. A method for balancing a vehicle wheel assembly, comprising: measuring an imbalance parameter associated with the vehicle wheel assembly, said imbalance parameter selected to be representative of one of either a static imbalance condition or a couple imbalance condition; calculating imbalance correction weight parameters for at least one imbalance correction weight which will reduce the measured imbalance parameter to a residual imbalance level which is within an acceptable imbalance for said selected imbalance condition; calculating a resulting residual imbalance parameter for said vehicle wheel assembly for the other of said static imbalance condition or said couple imbalance condition resulting from placement of said calculated at least one imbalance correction weight on said vehicle wheel assembly; comparing said calculated resulting residual imbalance condition with an associated imbalance threshold, said associated imbalance threshold corresponding to more than an amount of imbalance correctable by the placement of a smallest incremental imbalance correction weight; and responsive to said comparison indicating said calculated resulting residual imbalance condition being less than said associated imbalance threshold, displaying said parameters for placement of said at least one imbalance correction weight on the vehicle wheel assembly. 2. The method of claim 1 wherein said step of calculating imbalance correction weight parameters calculates static imbalance correction weight parameters; and wherein said step of calculating said resulting residual imbalance condition calculates residual couple imbalance parameters. 3. The method of claim 1 wherein said step of calculating imbalance correction weight parameters determines imbalance correction weight parameters to correct a couple imbalance condition in the vehicle wheel assembly; and wherein said step of calculating said resulting residual imbalance condition calculates residual static imbalance parameters. 4. The method of claim 1 wherein said resulting residual imbalance condition and said imbalance threshold are weight amounts. 5. The method of claim 4 wherein said step of calculating a resulting residual imbalance condition determines weight amounts for application at selected reference placement locations on a reference vehicle wheel assembly. 6. The method of claim 4 wherein said step of calculating a resulting residual imbalance condition determines weight amounts scaled to correspond to weight amounts applied at selected reference placement locations on a reference vehicle wheel assembly. 7. The method of claim 1 wherein said resulting residual imbalance condition and said imbalance threshold are forces. 8. A method for operating a vehicle wheel balancing system having at least two modes of operation, including a static single plane mode and a dynamic two plane mode of operation, comprising: initially selecting the dynamic two plane mode of operation; measuring an imbalance of the wheel assembly; determining at least one imbalance correction weight for application to the wheel assembly in the static single plane mode of operation; calculating a residual imbalance condition in the wheel assembly for the static single plane mode of operation using said at least one imbalance correction weight; evaluating said residual imbalance condition in the dynamic two plane mode of operation; and responsive to said evaluation, selecting one of said static or dynamic modes of operation for guiding placement of one or more imbalance correction weights on the vehicle wheel assembly. 9. The method of claim 8 wherein responsive to said evaluation identifying said residual imbalance condition as being less than a threshold imbalance condition, selecting said static single plane mode of operation. 10. The method of claim 8 wherein responsive to said evaluation identifying said residual imbalance condition as being equal to or exceeding a threshold imbalance condition, selecting said dynamic two plane mode of operation. 11. A method for operating a vehicle wheel balancing system having at least two modes of operation, including a static single plane mode and a dynamic two plane mode of operation, comprising: selecting the single static plane mode of operation; measuring an imbalance of the wheel assembly; determining an imbalance correction weight for application to the wheel assembly; calculating a residual imbalance condition in the wheel assembly for a dynamic two plane mode of operation associated with an application of said imbalance correction weight; evaluating said residual imbalance condition in the dynamic two plane mode of operation; and responsive to said evaluation, selecting one of said static or dynamic modes of operation for guiding placement of one or more imbalance correction weights on the vehicle wheel assembly. 12. The method of claim 11 wherein said step of selecting a mode of operation further includes providing a signal associated with said evaluation to an operator; and wherein said operator selects said mode of operation. 13. The method of claim 11 wherein responsive to said evaluation identifying said residual imbalance condition in said dynamic two plane mode of operation as being below a threshold imbalance condition, displaying said imbalance correction weight and an associated placement location on the wheel assembly. 14. The method of claim 11 wherein, responsive to said evaluation identifying said residual imbalance condition as being equal to, or greater than, a threshold imbalance condition, selecting said dynamic two plane mode of operation; and determining two or more imbalance correction weights for application the wheel assembly. 15. A method for correcting an imbalance condition in a rotating body, comprising: measuring an imbalance condition of the rotating body; calculating a single imbalance correction weight for application to the rotating body to reduce a static imbalance condition of the rotating body; evaluating a dynamic imbalance condition of the rotating body resulting from application of said single imbalance correction weight to the rotating body; and responsive to said evaluation, providing an output which is associated with a relationship between said dynamic imbalance condition and a threshold. 16. The method of claim 15 wherein responsive to said evaluation indicating said dynamic imbalance condition has a residual imbalance below said threshold, said output is a display of said single imbalance correction weight and placement location. 17. The method of claim 15 wherein responsive to said evaluation indicating said dynamic imbalance condition has a residual imbalance is equal to, or exceeds, said threshold, said output is an output signal. 18. The method of claim 15 wherein said output signal is provided to an operator. 19. The method of claim 15 wherein, responsive to said evaluation indicating said dynamic imbalance condition has a residual imbalance equal to, or exceeding, said threshold, calculating a plurality of imbalance correction weights for application to the rotating body in at least two separate imbalance correction planes to reduce said dynamic imbalance condition of the rotating body. 20. The method of claim 1 further including the step of responding to said comparison indicating said calculated resulting residual imbalance equals or exceeds said associated imbalance threshold by calculating imbalance correction weight parameters for at least one imbalance correction weight which will reduce the residual imbalance to a residual imbalance level which is within an acceptable imbalance for the other of said static imbalance condition or said couple imbalance condition.
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이 특허에 인용된 특허 (25)
Rothamel Karl (Darmstadt DEX), Apparatus and method for displaying unbalance of rotors during measurement.
Rothamel Karl (Seeheim-Jugenheim DEX) Humber Kurt (Griesheim DEX) Diez Ulrich (Reichshof DEX), Method and device for balancing an unbalance on a motor vehicle wheel.
Martin Michael R. (Schenectady NY) Smith David A. (Latham NY) Wetterau William H. (Albany NY), Microprocessor laser control system for multiplane balancing of rotors.
Parker Dan (Kirkwood MO) Douglas Michael W. (St. Peters MO), Wheel balancing apparatus and method with improved calibration and improved imbalance determination.
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