Fuel economy indicator
First Claim
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1. An indicator for a vehicle having a liquid fuel consuming engine for indicating the relative rate at which the vehicle is consuming fuel, comprising:
- sensor means for producing electrical signals indicative of the vehicle'"'"'s fuel consumption and distance traveled;
electronic processing means responsive to said signals for producing an output signal indicative of the ratio of the instantaneous rate of fuel consumed per distance traveled to the average rate of fuel consumed per distance traveled; and
display means for displaying said output signal.
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Abstract
A fuel economy indicator for vehicles having liquid fuel engines. The indicator comprises fuel flow and vehicle speed sensors, and means for using the information provided by such sensors to determine and display a performance ratio, consisting of the ratio of the instantaneous rate of fuel usage to the average rate of fuel usage.
39 Citations
14 Claims
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1. An indicator for a vehicle having a liquid fuel consuming engine for indicating the relative rate at which the vehicle is consuming fuel, comprising:
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sensor means for producing electrical signals indicative of the vehicle'"'"'s fuel consumption and distance traveled; electronic processing means responsive to said signals for producing an output signal indicative of the ratio of the instantaneous rate of fuel consumed per distance traveled to the average rate of fuel consumed per distance traveled; and display means for displaying said output signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification