Method and apparatus for sensing tire performance and wear
First Claim
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1. A process for sensing performance of at least one tire, the tire having a defined and isolated interior which contains a discrete volume of a gas, the gas having an essentially constant composition, the process comprising the steps of:
- obtaining a baseline analysis of at least one chemical compound present in the interior volume of the gas;
obtaining at least one updated analysis of the at least one chemical compound present in the interior volume of gas at at least one interval subsequent to the baseline analysis;
comparing the baseline analysis and the at least one updated analysis using a suitable mathematical algorithm which will function to provide output data;
applying said output data against preprogrammed standards to generate a signal
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Abstract
A method and device for detecting tire wear and performance in which at least one sensor device is located in the interior gaseous volume of a tire and an associated alarm circuit and transmitter. The device is capable fo ascertaining compositional changes in the interior volume of the tire associated with oxidation and/or other chemical breakdown phenomena which can occur in the tire material and reporting the same as output data detectable external to the tire.
15 Citations
13 Claims
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1. A process for sensing performance of at least one tire, the tire having a defined and isolated interior which contains a discrete volume of a gas, the gas having an essentially constant composition, the process comprising the steps of:
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obtaining a baseline analysis of at least one chemical compound present in the interior volume of the gas;
obtaining at least one updated analysis of the at least one chemical compound present in the interior volume of gas at at least one interval subsequent to the baseline analysis;
comparing the baseline analysis and the at least one updated analysis using a suitable mathematical algorithm which will function to provide output data;
applying said output data against preprogrammed standards to generate a signal - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. The process of claim 8 wherein the at least one physical condition external to the interior tire volume includes at least one of tire pressure, tire temperature, wheel speed, ambient temperature and vehicular speed.
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9. A device for sensing degradation of a tire having an isolated interior which contains a discrete volume of an essentially constant gaseous composition, the device comprising:
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at least one sensor device capable of detecting at least chemical compound, the chemical compound including at least one of oxygen, carbon dioxide, carbon monoxide, alkylene oxide, the sensor positioned relative to the isolated interior of the tire in gaseous communication therewith;
an alarm circuit in communication with the sensor device, the alarm circuit containing an appropriate algorithm and suitable means for receiving data generated by the sensor device and interpreting data so received;
means for supplying power to the sensor device and associated alarm circuit; and
a transmitter in communication with the alarm circuit, the transmitter capable of emitting an output signal, the output signal being detectable external to the tire. - View Dependent Claims (10, 11, 12, 13)
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Specification