Method and apparatus for measuring fuel consumption in internal

Details Method and apparatus for measuring fuel consumption in internal Method and apparatus for measuring fuel consumption in internal

1978-09-07

1979-12-18

Woodiel, Donald O.

Measuring and testing

Steam or water operated engine; related engine system or...

73346, G01L 326, G01M 1500

Patent

active

041787986

ABSTRACT:
The relative fuel consumption of an internal combustion engine, i.e., the fuel consumption per unit time or unit distance, is determined on the basis of measurements to ascertain the exhaust gas temperature. Based on the existing functional relationship between the exhaust gas temperature and fuel consumption, the measured exhaust gas temperature is combined with a signal related to engine speed and is used to provide a datum related to the fuel consumption per unit time. A transducer which detects the distance traveled by the vehicle is used to control an integrating circuit which generates a signal related to the fuel consumption per unit distance traveled. The signals may be used for visual displays to the operator or automatic control of other engine subsystems, for example exhaust gas recycle systems or fuel supply systems.

REFERENCES:
patent: 3908366 (1975-09-01), Masaki
patent: 3968689 (1976-07-01), Leshner
Alcor publication--Engine Analyzer, 4 pp.

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