Apparatus for determining the condition of a tire tread of a vehicle wheel
First Claim
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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.
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Abstract
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.
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Citations
16 Claims
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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:
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(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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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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:
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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; and deriving from the succession of the stored height data a residual mileage of the tire. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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Specification