Bleed air duct leak system real-time fault detection
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United States of America Patent
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Nov 21, 2017
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app pub date -
Nov 12, 2014
filing date -
Nov 12, 2014
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Abstract
A method and apparatus for testing a duct leak detection system of an aircraft is disclosed. A sensor of the duct leak detection system is selected at an interface of the duct leak detection system. An alternating current is sent through the selected sensor and a resistance of the selected sensor is measured using the alternating current. An indicative signal is generated at the interface when the measured resistance of the selected sensor is outside of a specification of the selected sensor.
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