Enroute weight computer for aircraft

Details Enroute weight computer for aircraft Enroute weight computer for aircraft

1981-12-21

1985-01-15

Krass, Errol A.

Boots, shoes, and leggings

364424, 364510, 340603, 340612, 340945, G01G 1900, G06F 1130, G08G 500

Patent

active

044942109

ABSTRACT:
A measure of the enroute weight of an aircraft is continuously provided by determining the zero fuel weight during takeoff, adding the weight of total fuel as measured by fuel quantity sensors, interrupting the latter measure and holding its then current value whenever the fuel quantity sensors may be in error, such as when the aircraft is not level or during aircraft accelerations, and during this time computing the rate of change of aircraft weight as a function of aerodynamic and engine parameters and subtracting the time integral of this computed value from the held fuel quantity sensor value. Upon the aircraft resuming level, unaccelerated flight, the integrator is reset and the sensed fuel quantity measure restored.

REFERENCES:
patent: 3527096 (1970-09-01), Cohn et al.
patent: 3612837 (1971-10-01), Brandau
patent: 3789665 (1974-02-01), Hohenberg
patent: 4258422 (1981-03-01), Dougherty et al.
patent: 4437162 (1984-04-01), Kato

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