PILOTAGE DES JEUX DANS UNE TURBOMACHINE

The device has a cooling circuit (36) for cooling an annular envelope (18) by impact of air. A sensor (42) is mounted on an internal surface of the annular envelope for determining worn thickness of an abradable layer (30) in contact with the tips of rotor blades (20). The sensor is connected to a c...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SCHWEBLEN, WILFRIED, LIONEL, HOULET, ANNE FLORE, MARTET, RENAUD
Format:	Patent
Sprache:	fre
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES PHYSICS STEAM ENGINES TESTING WEAPONS
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Beschreibung
Zusammenfassung:	The device has a cooling circuit (36) for cooling an annular envelope (18) by impact of air. A sensor (42) is mounted on an internal surface of the annular envelope for determining worn thickness of an abradable layer (30) in contact with the tips of rotor blades (20). The sensor is connected to a control unit (40) that controls air flow supply to the cooling circuit according to multiple parameters of which one relates to information, provided by the sensor, about the worn thickness of the abradable layer. An independent claim is also included for a method for application of a clearance control device in a turboshaft engine.