PROCESSO DE DIAGNÓSTICO DO ESTADO DE ESVAZIAMENTO DE UM PNEU DE UM TREM DE VEÍCULO

RESUMO PROCESSO DE DIAGNÓSTICO DO ESTADO DE ESVAZIAMENTO DE UM PNEU DE UM TREM DE VEÍCULO The invention concerns a method for diagnosing the deflation condition of a tyre of a vehicle axle system comprising a first tyre and a second tyre. The main feature of a diagnostic method according to the inve...

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Hauptverfasser:	JOAN DAVINS-VALLDAURA, STÉPHANIE LESCARRET, GUILLERMO PITA-GIL, PHILIPPE SAINT-LOUP
Format:	Patent
Sprache:	por
Schlagworte:	DEVICES OR ARRANGEMENTS RELATED TO TYRES PERFORMING OPERATIONS REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL TRANSPORTING TYRE CHANGING OR REPAIRING TYRE INFLATION VEHICLE TYRES VEHICLES IN GENERAL
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Zusammenfassung:	RESUMO PROCESSO DE DIAGNÓSTICO DO ESTADO DE ESVAZIAMENTO DE UM PNEU DE UM TREM DE VEÍCULO The invention concerns a method for diagnosing the deflation condition of a tyre of a vehicle axle system comprising a first tyre and a second tyre. The main feature of a diagnostic method according to the invention is that it comprises the following steps: - a step of determining the torsional frequency F1 of the first tyre and the torsional frequency F2 of the second tyre; - a step of determining the deviation ΔF between the torsional frequency F1 of the first tyre and the torsional frequency F2 of the second tyre; - a step of evaluating the probability that one of the tyres is under-inflated relative to the other tyre, by calculating the ratio of the absolute value of said deviation ΔF to a threshold value of a relative deviation, representative of under-inflation in one of the tyres.