Siemens Aktiengesellschaft

John A Fussner

Ching-Pang Lee

Kok-Mun Tham

Vincent Paul Laurello

Abdullatif M Chehab

Weidong Cai

Yan Yin

David A Kemp

Bijay K Sultanian

A cooling fluid air injection system for use in a gas turbine engine includes at an external cooling fluid source, at least one rotor cooling pipe, which is used to inject cooling fluid from the source into a rotor chamber, a piping system that provides fluid communication between the source and the rotor cooling pipe(s), a blower system for conveying the cooling fluid through the piping system and the rotor cooling pipe(s) into the rotor chamber, and a valve system. The valve system is closed during full load engine operation to prevent cooling fluid from the source from passing through the piping system, and open during less than full load engine operation to allow cooling fluid from the source to pass through the piping system.

External cooling fluid injection system in a gas turbine engine

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Loveland, OH, United States of America

John A Fussner