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Vehicle fuel economy indicator

  • US 4,113,046 A
  • Filed: 06/20/1977
  • Issued: 09/12/1978
  • Est. Priority Date: 06/20/1977
  • Status: Expired due to Term
First Claim
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1. An apparatus for indicating the fuel economy of a vehicle, during acceleration comprising:

  • means for generating a vehicle acceleration signal having a magnitude proportional to the rate of change of speed of the vehicle;

    means for generating a throttle rate signal having a magnitude proportional to the rate of change of the position of the vehicle throttle;

    means responsive to said vehicle acceleration signal and said throttle rate signal for generating an efficiency signal having a magnitude proportional to the difference between the magnitudes of said vehicle acceleration signal and said throttle rate signal; and

    indicator means responsive to said efficiency signal for indicating the fuel economy of the vehicle.

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