FUEL GAUGING SYSTEM AT IDENTIFICATION OF FUEL GRADE BY ITS LIGHT ABSORPTION Russian patent published in 2003 - IPC

Abstract RU 2208549 C1

FIELD: aircraft instrumentation engineering; check of fuel mass in each fuel tank. SUBSTANCE: present parameters of fuel level, temperature and characteristic parameter (light conductivity) are determined by means of sensors mounted in fuel tanks. Level of fuel is measured in at least three points not lying on one straight line. Volume of fuel in tank is determined in on-board computer by its level with geometric characteristics of fuel tank taken into account. Grade or ratio of grades of fuel is determined in on-board computer by characteristic parameter and temperature. Density of fuel in tank is determined in fuel parameter driver included in on-board computer by grade or ratio of grades. Mass of fuel in tank is determined in on- board computer by its density and volume determined beforehand. Total mass of fuel is found in summing-up unit. EFFECT: enhanced accuracy of determination of fuel mass at spread of temperatures and grades. 1 dwg

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RU 2 208 549 C1

Authors

Furmakov E.F.

Petrov O.F.

Maslov Ju.V.

Stepanjan N.M.

Petrov V.M.

Dates

2003-07-20Published

2002-07-25Filed