Rolls-royce Corporation

Roll-royce Plc

Thomas S Lozier

Ronald P Porter

Mark E Bowman

Gregory D Cathcart

A fluid tank structure is disclosed that is integrated within a bypass duct of a turbofan gas turbine engine. The fluid tank structure includes a hollow interior that is closed off when the fluid tank structure is coupled with an inner wall of the bypass duct. The inner wall forms one wall of a fluid tank volume enclosed by the fluid tank structure.

Gas turbine engine duct having a coupled fluid volume

A method for confirming the position of at least one variably positionable turbine vane is disclosed herein. The method includes the step of mounting at least one camera on an exterior of an at least partially assembled turbine engine. The method also includes the step of generating visual data with the at least one camera corresponding to a position of a turbine vane actuation structure positioned on the exterior of the at least partially assembled turbine engine.

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Lebanon, IN, United States of America

Thomas S Lozier