Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Vehicle diagnosis or maintenance indication
Reexamination Certificate
2008-01-29
2010-11-23
Nguyen, Kim T (Department: 3661)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Vehicle diagnosis or maintenance indication
Reexamination Certificate
active
07840320
ABSTRACT:
A method for monitoring engines of a plane, including at least two engines, each engine being controlled and monitored by an engine monitoring calculator, the calculators being connected to each other by a communication network and each calculator monitoring operating parameters of one engine. The method being characterized in that both calculators output on the network the value of at least one of the parameters for comparison with the same parameter outputted by the other calculator, and if a value of one calculator deviates from a value of the other calculator by a difference higher than a predetermined threshold, one of the engines is diagnosed as operating abnormally.
REFERENCES:
patent: 4106730 (1978-08-01), Spitzer et al.
patent: 5349654 (1994-09-01), Bond et al.
Ausloos Alexandre
Benitah Jonathan
Maka Olivier Armand Joseph
Masse Jean-Remi
Hispano Suiza
Nguyen Kim T
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
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