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Francis Holman

Friedrich B Prinz

Tibor Fabian

Georg Brasseur

Minoru Matsunaga

Sangkyun Kang

Hideaki Tsuru

Jordan Tresser

In a micro gas turbine engine, a capacitive sensor is used for measuring a tip clearance of a radial compressor section thereof, and an actuator is used for axially displacing a rotor shaft in response to an output from the capacitive sensor. Because the capacitive change gives an accurate measure of the size of the tip clearance, a particularly high sensitivity can be achieved in parts where the tip clearance is small, thereby providing a highly precise tip clearance control.

Micro gas turbine engine with active tip clearance control

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Paradise Valley, AZ, United States of America

Francis Holman