Fuel mileage indicator

Measuring and testing – Internal combustion engine or related engine system or... – Compression

Patent

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Details

G01F 902

Patent

active

040622304

ABSTRACT:
The disclosure illustrates a fuel mileage indicator which gives a dynamic reading of the fuel mileage for a vehicle powered by an internal combustion engine. As a result it indicates to the driver whether he is driving efficiently and is conserving fuel. The device consists of a variable resistance device responsive to a fuel system parameter or other engine parameter which is proportional to engine fuel flow. This variable resistance device is connected in series with a generator having a D.C. voltage output directly proportional to vehicle speed. An ammeter indicates current through the circuit and is calibrated to give an output of miles per gallon.

REFERENCES:
patent: 1533530 (1925-04-01), Wheatley et al.
patent: 3014366 (1961-12-01), Faunce

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