VANE ANGLE MEASUREMENT

A measurement system (74) for determining an angular position of a component of a gas turbine engine (20) includes one or more proximity sensors (76; 76a, 76b) positioned at a fixed structure of the gas turbine engine (20) and one or more sensor targets (80, 82) positioned at a rotatable component o...

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Bibliographische Detailangaben
Hauptverfasser:	BOUDREAU, Daniel J, WARREN, Eli Cole, HACKETT, Bryan J
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ENGINE PLANTS IN GENERAL GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS 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:	A measurement system (74) for determining an angular position of a component of a gas turbine engine (20) includes one or more proximity sensors (76; 76a, 76b) positioned at a fixed structure of the gas turbine engine (20) and one or more sensor targets (80, 82) positioned at a rotatable component of the gas turbine engine. Each sensor target of the one or more sensor targets includes a target surface (84) having a variable distance between the target surface and the proximity sensor with rotation of the rotatable component about a component axis of rotation. A measurement of distance between the proximity sensor (76; 76a, 76b) and the target surface as measured by the proximity sensor is indicative of an angular position of the rotatable component relative to the component axis of rotation.