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1. (WO2013154638) GAS TURBINE ENGINE WITH COMPRESSOR INLET GUIDE VANE POSITIONED FOR STARTING

Pub. No.:    WO/2013/154638    International Application No.:    PCT/US2013/021799
Publication Date: Fri Oct 18 01:59:59 CEST 2013 International Filing Date: Fri Jan 18 00:59:59 CET 2013
IPC: F02C 7/22
Applicants: UNITED TECHNOLOGIES CORPORATION
Inventors: WEHMEIER, Eric, J.
Title: GAS TURBINE ENGINE WITH COMPRESSOR INLET GUIDE VANE POSITIONED FOR STARTING
Abstract:
A gas turbine engine includes a variable inlet guide vane positioned forwardly of a low pressure compressor. The angle of the inlet guide vane is controlled at startup to increase airflow into the compressor. This is particularly useful when the gas turbine engine is being restarted while an associated aircraft is in the air, and is relied upon to increase windmill speed of the compressor and turbine rotors. A method and variable inlet vane are also disclosed.