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Process and System for Determining Fuel Consumption of a Motor Vehicle

  • US 20110257875A1
  • Filed: 04/15/2011
  • Published: 10/20/2011
  • Est. Priority Date: 04/16/2010
  • Status: Active Grant
First Claim
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1. A process for determining fuel consumption of a motor vehicle, the process comprising the acts of:

  • determining a first mean fuel consumption, which cannot be reset under a user'"'"'s influence;

    determining a second mean fuel consumption, which is resettable under a user'"'"'s influence, as a function of several measured values; and

    determining a third mean fuel consumption;

    wherein;

    (a) at a beginning of a predefined time period, which starts with a resetting of the second mean fuel consumption influenced by a user, the third mean fuel consumption is set to be equal to the first mean fuel consumption;

    (b) between the beginning and the end of the predefined time period, the third mean fuel consumption is set to be a weighted mean of the first mean fuel consumption and the second mean fuel consumption; and

    (c) starting at an end of the predefined time period, the third mean fuel consumption is set to be equal to the second mean fuel consumption; and

    providing a signal indicative of the third mean fuel consumption.

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