PROCEDE DE DETECTION D'UN DEFAUT MECANIQUE D'UN GENERATEUR DE GAZ D'UNE TURBOMACHINE D'UN AERONEF ET DISPOSITIF DE MISE EN ŒUVRE CORRESPONDANT
The invention relates to a method for detecting a mechanical defect in an aircraft gas generator or in an apparatus mounted onto theon an accessory gearbox connected to said generator. Said method is characterized in that it includes: a step (E1) for of creating, before commissioning of the aircraft...
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creator | MERCIER-CALVAIRAC, FABIEN VALLART, PHILIPPE |
description | The invention relates to a method for detecting a mechanical defect in an aircraft gas generator or in an apparatus mounted onto theon an accessory gearbox connected to said generator. Said method is characterized in that it includes: a step (E1) for of creating, before commissioning of the aircraft, a reference chart associating including a nominal torque of said generator, corresponding to nominal operation without mechanical defect, with for a plurality of modes of predetermined operation, a step (E2) for of determining, after flying the aircraft, an actual resistingant torque of said generator for setting a predetermined- mode setting, a step (E3) for of calculating a deviation between said actual torque and the nominal torque of said reference chart associated with the mode of operation nearest to said set mode setting, and a step (E4) for signaling a mechanical defect in said generator or in at least one apparatus if said calculated deviation is greater than a predetermined threshold. |
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Said method is characterized in that it includes: a step (E1) for of creating, before commissioning of the aircraft, a reference chart associating including a nominal torque of said generator, corresponding to nominal operation without mechanical defect, with for a plurality of modes of predetermined operation, a step (E2) for of determining, after flying the aircraft, an actual resistingant torque of said generator for setting a predetermined- mode setting, a step (E3) for of calculating a deviation between said actual torque and the nominal torque of said reference chart associated with the mode of operation nearest to said set mode setting, and a step (E4) for signaling a mechanical defect in said generator or in at least one apparatus if said calculated deviation is greater than a predetermined threshold.</description><language>fre</language><subject>MEASURING ; MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE ; PHYSICS ; TESTING ; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES ; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR</subject><creationdate>2018</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180615&DB=EPODOC&CC=FR&NR=3036798B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180615&DB=EPODOC&CC=FR&NR=3036798B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MERCIER-CALVAIRAC, FABIEN</creatorcontrib><creatorcontrib>VALLART, PHILIPPE</creatorcontrib><title>PROCEDE DE DETECTION D'UN DEFAUT MECANIQUE D'UN GENERATEUR DE GAZ D'UNE TURBOMACHINE D'UN AERONEF ET DISPOSITIF DE MISE EN ŒUVRE CORRESPONDANT</title><description>The invention relates to a method for detecting a mechanical defect in an aircraft gas generator or in an apparatus mounted onto theon an accessory gearbox connected to said generator. 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Said method is characterized in that it includes: a step (E1) for of creating, before commissioning of the aircraft, a reference chart associating including a nominal torque of said generator, corresponding to nominal operation without mechanical defect, with for a plurality of modes of predetermined operation, a step (E2) for of determining, after flying the aircraft, an actual resistingant torque of said generator for setting a predetermined- mode setting, a step (E3) for of calculating a deviation between said actual torque and the nominal torque of said reference chart associated with the mode of operation nearest to said set mode setting, and a step (E4) for signaling a mechanical defect in said generator or in at least one apparatus if said calculated deviation is greater than a predetermined threshold.</abstract><oa>free_for_read</oa></addata></record> |
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subjects | MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE PHYSICS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR |
title | PROCEDE DE DETECTION D'UN DEFAUT MECANIQUE D'UN GENERATEUR DE GAZ D'UNE TURBOMACHINE D'UN AERONEF ET DISPOSITIF DE MISE EN ŒUVRE CORRESPONDANT |
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