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Method for determining the wear condition of an aircraft tyre

A wear state, tire technology, applied in the direction of aircraft tires, tire measurement, tire parts, etc., can solve the problem that the remaining life of the tire cannot be predicted

Active Publication Date: 2019-08-02
MICHELIN & CO CIE GEN DES ESTAB MICHELIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method of determining the state of wear of a tire by direct visual observation is mainly unable to predict the remaining life before tire replacement (which is mainly characterized by the number of remaining landings that can be performed)

Method used

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  • Method for determining the wear condition of an aircraft tyre
  • Method for determining the wear condition of an aircraft tyre
  • Method for determining the wear condition of an aircraft tyre

Examples

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Embodiment Construction

[0050] figure 1 is a schematic diagram of the sequence of steps of a preferred embodiment of the method for determining the condition of an aircraft tire. In the example provided, the tire includes five circumferential ridges (including a middle circumferential ridge and two axially outermost shoulder circumferential ridges), the circumferential ridges comprising the A wear indicator consisting of a locating pattern for marking the location of the wear indicator on the tread and a second state pattern for determining the relative circumference at a given moment The state of wear towards the ridges. For each wear indicator, the first step comprises the step of simultaneously acquiring a first positioning pattern and a second state pattern of the wear indicator using an acquisition means M2 of camera type contained in a smartphone or tablet. The display device M1 of the smartphone makes it possible to directly view the image of the wear indicator thus acquired. The second st...

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Abstract

The present invention relates to a method for determining the condition of an aircraft tyre and, more specifically, to a method for determining the wear condition thereof, allowing the residual lifetime and, more specifically, the number of residual landings, to be predicted for said tyre. A method for determining the condition of an aircraft tyre, said tyre comprising a tyre tread having at leastone circumferential rib comprising at least one wear indicator, said method for determining condition comprising: a step of detecting a first pattern of the position of the wear indicator, which is intended to identify the position of said wear indicator in the tyre tread; a step of detecting a second pattern of the condition of the wear indicator, which is intended to determine the wear condition of the relevant circumferential rib at a given instant; a step of analysing the first pattern of the position and the second pattern of the condition of the wear indicator, through a comparison withreference patterns, and of determining the wear condition of the circumferential rib at a given instant; and a step of rendering information relating to the condition of the tyre.

Description

technical field [0001] The present invention relates to a method for determining the condition of an aircraft tire, and more particularly to a method for determining the state of wear of an aircraft tire. Background technique [0002] As we all know, the tread of a tire intended to come into contact with the ground through the rolling surface is the worn part of the tire, that is to say the thickness of which decreases due to the rolling of the tire. The tread usually consists of raised and raised elements separated from each other by depressions, this combination forming what is commonly called a sculpture. In the case of aircraft tyres, the relief elements are generally circumferential ridges, continuous over the entire circumference of the tyre, and separated from each other by depressions called circumferential grooves. Wear results in a reduction in the height of the circumferential ridges and, in association, a reduction in the depth of the circumferential grooves, th...

Claims

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Application Information

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IPC IPC(8): B60C11/24
CPCB60C2200/02B60C11/246G06F16/51B64C25/36G06V20/20G06V30/153
Inventor O·弗朗索瓦J·布吕内
Owner MICHELIN & CO CIE GEN DES ESTAB MICHELIN
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