G - Physics – 01 – R
Patent
G - Physics
01
R
G01R 31/08 (2006.01) B64D 45/00 (2006.01) B64F 5/00 (2006.01) H02H 1/00 (2006.01)
Patent
CA 2291939
Wiring in new and older aircraft use bundled insulated conductors that are subject to deterioration over time that can result in on-board fires, loss of in-flight control and eventual crashes of the aircraft. The present invention provides a diagnostic method which permits the on-line and non-destructive diagnosis of the insulation degradation in a portion of the wiring comprising: a) measuring the current flow at locations of the aircraft wiring utilizing an optical current sensor with a bandwidth of dc to 50 kHz; b) determining the current flow within a high frequency bandwidth; and c) analysing the results of the current flow differential determination and initiate the following: a) detect and locate the point of cable failure; b) initiate an alarm annunciation; and c) initiate an on-board sectionalized fire suppression system.
Orton Harry E.
Oyen Wiggs Green & Mutala Llp
LandOfFree
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