Method for operating a drive unit for a motor vehicle, corresponding drive unit for a motor vehicle, and computer program product

By using a fuel sensor in the tank vent line to measure volatile organic compounds, the method accurately identifies fuel type and controls the drive unit to prevent unauthorized use and maintain compliance, addressing the challenge of distinguishing between synthetic and conventional fuels.

DE102024136935B3Active Publication Date: 2026-06-11AUDI AG
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Patent Information

Application Number
DE102024136935
Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2026-06-11
Estimated Expiration
2044-12-10

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Abstract

The invention relates to a method for operating a drive unit (1) for a motor vehicle, wherein the drive unit (1) has a fuel tank (2) for storing fuel, a drive unit (3) to which fuel is supplied at least temporarily from the fuel tank (2) via a fuel line, and a fuel sensor (7) for determining the composition of the fuel. It is provided that the fuel tank (2) is fluidically connected to the drive unit via a tank vent line (4), through which the fuel in gaseous state is discharged at least temporarily from the fuel tank (2) towards the drive unit (3), wherein the fuel sensor (7) is arranged in the tank vent line (4) and is used to measure the proportion of at least one volatile organic compound in the gaseous fuel.The invention further relates to a drive device (1) for a motor vehicle and a computer program product.
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Citation Information

Patent Citations

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    DE102014004263A1

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    DE102019213712A1

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    DE102019214236A1

  • Using a moisture sensor to determine the quality of a fuel

    DE102023205917A1

  • Method, Device, and System for Operating an Internal Combustion Engine

    US20100059022A1