Measuring and testing – Volumetric content measuring
Patent
1995-05-03
1996-05-07
Chilcot, Richard
Measuring and testing
Volumetric content measuring
73304R, 73304C, 340945, 364509, 364550, 364564, 36442401, G01F 1700, G01F 2300, G08B 2100, G06G 757
Patent
active
055135277
ABSTRACT:
An ultrasonic fuel-gauging system for an aircraft with three fuel tanks has probes in each tank connected to dual-lane data concentrator circuits. The digital outputs from one lane of the data concentrator circuits are supplied to respective tank circuits, the outputs of which are connected to two input/output circuits. The outputs of the other lanes of the data concentrator circuits are connected directly to one or the other of the two input/output circuits. The tank circuits and input/output circuits are processors of identical construction programmed with different software. If a tank circuit or input/output circuit should fail, its function is taken over by reconfiguration of one of the remaining processors.
REFERENCES:
patent: 3895223 (1975-07-01), Neuner et al.
patent: 4420976 (1983-12-01), Orloff et al.
patent: 4918619 (1990-04-01), Orloff et al.
patent: 5289377 (1994-02-01), Yokote et al.
Amrozowicz Paul D.
Chilcot Richard
Smiths Industries Public Limited Company
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