Tire pressure loss recognition during trailer operation
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Accused Products
Abstract
The present invention describes a method and a device for monitoring an operating state of at least one tire of vehicle as a function of the coupling of a trailer to the vehicle. In this context, the operating state of the tire, i.e. the tire state, is particularly monitored for changes. Operation of the vehicle with a trailer causes the distribution of the axle load between the front and rear axles to change in the towing vehicle. This manifests itself in changed slip conditions for the wheels on both the front axle and the rear axle and results in the wheel speeds in trailer operation differing from those in trailerless operation, when the conditions are otherwise the same. Now, the essence of the present invention is to modify the wheel-speed-based monitoring of the tire state on the basis of detecting that the vehicle is being operated with a trailer. This modification allows, e.g. a loss in pressure of a tire to be determined with a better detection accuracy.
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Citations
27 Claims
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1-12. -12. (Canceled).
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13. A method for monitoring an operating state of at least one tire of a vehicle, the method comprising:
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providing a tire state of the wheel as an operating state of the tire state of the wheel; and
monitoring the tire state as a function of a coupling of a trailer to the vehicle. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A brake system for use with a monitoring system, an operating state of the brake system being characterized by variables used for operating the brake system, the system comprising:
a brake system, wherein the monitoring system is operable to monitor an operating state of at least one tire of a vehicle by providing a tire state of the wheel as an operating state of the tire state of the wheel, and monitoring the tire state as a function of a coupling of a trailer to the vehicle. - View Dependent Claims (26)
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25. A device for monitoring an operating state of a least one tire of a vehicle, a tire state of the wheel being an operating state of the tire state of the wheel, the device comprising:
a monitoring arrangement to monitor the tire state as a function of a coupling of a trailer to the vehicle. - View Dependent Claims (27)
Specification