Rolls-royce North American Technologies Inc.

Rolls-royce Corporation

Tony R McKenney

David R Price

Mark E Bartolomeo

Gregory Blake

Randal L Renback

An oil supply system includes an oil supply assembly in a turbine engine. The assembly includes scavenge cavity and an oil supply tube located in and protected by a strut in the turbine engine to supply oil to a bearing chamber.

Oil supply assembly for gas turbine engine

One embodiment of the present invention is a unique gas turbine engine. Another embodiment is a unique frame for a gas turbine engine. Other embodiments include apparatuses, systems, devices, hardware, methods, and combinations for gas turbine engines and gas turbine engine frames. Further embodiments, forms, features, aspects, benefits, and advantages of the present application shall become apparent from the description and figures provided herewith.

Gas turbine engine and frame

A shaft coupling arrangement and a corresponding method for coupling shafts are disclosed herein. The shaft coupling arrangement includes an input shaft operable to rotate about a first axis. The shaft coupling arrangement also includes an output shaft operable to rotate about a second axis. The shaft coupling arrangement also includes a gearing arrangement operable to engage the input and output shafts together for rotation in the same angular direction at different angular speeds. In one embodiment of the invention, the gearing arrangement includes a plurality of nested bevel gears. In another embodiment of the invention, the gearing arrangement can include a single layshaft.

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Indianapolis, IN, United States of America

Tony R McKenney