GAS TURBINE ENGINE WITH ACTIVE TIP CLEARANCE CONTROL

Fritz Prinz (Inventor), Sangkyun Kang (Inventor), Tibor Fabian (Inventor), Georg Brasseur (Inventor), Jordan Tresser (Inventor), Frank Holman (Inventor), Hideaki Tsuru (Inventor), Minoru Matsunaga (Inventor)

Research output: Patent

Abstract

In a gas turbine engine, a capacitive sensor is used for measuring a tip clearance of a radial compressor section (13) thereof, and an actuator (25) is used for axially displacing a rotor shaft (12, 20) in response to an output from the capacitive sensor. Because the capacitive change gives an accurate measure of the size of the tip clearance, where the tip clearance is small and tip clearance control is possible.

Original languageEnglish
Patent numberWO03095801
IPCH02K 7/ 18 A I
Priority date14/06/02
Publication statusPublished - 20 Nov 2003

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