Apparatus for determining the condition of a tire tread of a vehicle wheel
원문보기
IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0496753
(2009-07-02)
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등록번호 |
US-8141414
(2012-03-27)
|
우선권정보 |
EP-08012038 (2008-07-03) |
발명자
/ 주소 |
|
출원인 / 주소 |
- Snap-On Equipment SRL a Unico Socio
|
대리인 / 주소 |
McDermott Will & Emery LLP
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인용정보 |
피인용 횟수 :
5 인용 특허 :
8 |
초록
▼
A method and apparatus for determining the condition of a tire tread of a vehicle wheel including a rim and a tire configured to perform the steps of: (1) emitting an electromagnetic radiation towards the tread of the tire,(2) receiving a reflected electromagnetic radiation from said tread of the ti
A method and apparatus for determining the condition of a tire tread of a vehicle wheel including a rim and a tire configured to perform the steps of: (1) emitting an electromagnetic radiation towards the tread of the tire,(2) receiving a reflected electromagnetic radiation from said tread of the tire in response to the emitted radiation,(3) processing the reflected radiation to obtain height data including respective heights of a plurality of points located on the tread of the tire,(4) repeating the steps (1) to (3) in successive time intervals within which the vehicle wheel has driven a predetermined distance, and storing the respective height data, particularly average values of the height data, each in dependence of the driven distance, and(5) deriving from the succession of the stored height data a residual mileage of the tire.
대표청구항
▼
1. A method for determining the condition of a tire tread of a vehicle wheel including a rim and a tire comprising the steps of: (1) emitting an electromagnetic radiation towards the tread of the tire,(2) receiving a reflected electromagnetic radiation from said tread of the tire in response to the
1. A method for determining the condition of a tire tread of a vehicle wheel including a rim and a tire comprising the steps of: (1) emitting an electromagnetic radiation towards the tread of the tire,(2) receiving a reflected electromagnetic radiation from said tread of the tire in response to the emitted radiation,(3) processing the reflected radiation to obtain height data including respective heights of a plurality of points located on the tread of the tire,(4) repeating the steps (1) to (3) in successive time intervals within which the vehicle wheel has driven a predetermined distance, and storing the respective height data, particularly average values of the height data, each in dependence of the driven distance, and(5) deriving from the succession of the stored height data a residual mileage of the tire. 2. The method according to claim 1, characterized in that the residual mileage is calculated from the current driven distance of the tire and the stored height data. 3. The method according to claim 1 or 2, characterized in that the residual mileage is calculated by at least one of the following steps: curve fitting, interpolation-extrapolation on the base of the stored data. 4. The method according to claim 1 or 2, characterized in that the height data are stored in a database, wherein the stored height data are associated to identification data of the respective tire. 5. The method according to claim 1 or 2, characterized in that the height data are further processed to determine any irregular tread wear pattern. 6. The method according to claim 1 or 2, characterized in that the height data were obtained in connection with a wheel balancing operation or a tire changing operation. 7. The method according to claim 1 or 2, characterized in that at least one circumferential portion of the surface of the tire tread is scanned by the emitted radiation. 8. The method according to claim 1 or 2, characterized in that the tire tread is scanned while the vehicle wheel is rotated. 9. The method according to claim 1 or 2, characterized in that the height data are associated to respective rotary angles and positions along the width of the tire tread. 10. An apparatus for determining the condition of a tire tread of a vehicle wheel which includes a rim and a tire, the apparatus comprising: an emitter source for emitting radiation electromagnetic towards the tire tread,at least one detector for receiving radiation reflected from said wheel assembly in response to the emitted radiation,a data processing device connected to said emitter source and said at least one detector for processing data, wherein said data processing device is configured to perform the steps of:obtaining height data including respective heights of a plurality of points located on the surface of the wheel assembly based on the reflected radiation received from the at least one detector,storing the height data, particularly an average value of the height data, successively obtained in time intervals within which the vehicle wheel has driven a predetermined distance; andderiving from the succession of the stored height data a residual mileage of the tire. 11. Apparatus according to claim 10, wherein said data processing device is configured to obtain along at least one circumferential portion of the tread a height data. 12. Apparatus according to claim 11, wherein said surface profile covers the complete surface of the tire tread is scanned. 13. Apparatus according to any one of the claims 10 to 12, wherein said data processing device is adapted for obtaining height information by scanning the tread surface while said wheel assembly is rotated by at least one revolution. 14. Apparatus according to any one of the claims 10 to 12, wherein the emitted electromagnetic radiation is a laser radiation. 15. Apparatus according to any one of the claims 10 to 12, wherein the emitter source is configured to emit the radiation in form of a linear beam or in the form of a planar beam. 16. Apparatus according to any one of the claims 10 to 12, adapted to be implemented into a wheel balancer or into a tire changer.
이 특허에 인용된 특허 (8)
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Downing Elizabeth A. (Sunnyvale CA) Rogers Steven W. (Conway AR) Titsworth Raymond (Conway AR) Christian Donald J. (Fremont CA) Baird Michael L. (Los Altos CA), Light scanning system for measurement of orientation and physical features of a workpiece.
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Robert,Michel; Fontanier,Bernard, Method and apparatus for measuring the wear of a tire mounted on a vehicle.
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Godeau,Gilles; Robert,Michel; Peyron,Georges; Menard,Gilbert, Method and system for measuring wear on a tire.
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Caretta, Renato; Cesarini, Riccardo; Mancosu, Federico, Method and system for monitoring and/or controlling behavior of a vehicle by measuring deformations of its tires.
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Cantu, Marco; Mancosu, Federico; Volpi, Alessandro, Method of foreseeing and controlling tread wearing in a pneumatic tire and a related pneumatic tire.
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Cantu Marco,ITX ; Mancosu Federico,ITX ; Volpi Alessandro,ITX, Method of foreseeing tread wearing of a pneumatic tire.
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Dale, Jr.,James L.; Zhou,Wen Yu; Rogers,Frederick J., Non-contact method and system for tire analysis.
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Kraska ; Irvin R. ; Stark ; John ; Lichodziejewski ; Wieslaw L., System for residual tire life prediction by ultrasound.
이 특허를 인용한 특허 (5)
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Mizukusa, Hirokatsu; Nakamoto, Hitoshi; Otani, Wataru, Illumination device and inspection device of tire.
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Dorrance, Daniel R.; Colarelli, III, Nicholas J.; Strege, Timothy A., Method for tire tread depth modeling and image annotation.
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Wei, Terence E.; Wilson, Paul B., RFID wear sensing for tire applications.
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Hill, Peter, Tactile based performance enhancement system.
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Hill, Peter, Tactile based performance enhancement system.
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