Rolls-Royce North American Technologies Inc.

Allison Advanced Development Company

Preston Earl Light

Robert Anthony Ress, Jr

Steven Arlen Klusman

Brian Paul King

Jason E Dundas

A gas turbine engine bearing assembly for a portion of a shaft that rotates around an axis, including a substantially cylindrical bearing having a length extending between a first end and a second end along the axis of the rotating shaft. A plurality of segmented damper springs are positioned around an exterior perimeter of a portion of the cylindrical bearing. Each spring has a width along the axis of the rotating shaft and a portion of each spring defines an outer spherically contoured joint. The width of each spring is less than the length of the bearing.

Compliant spherical bearing mount

A method for mechanically cutting a continuous circular shaped groove in a foil sheet for use in a metal matrix composite product. In one form the foil sheet is held adjacent a rotating machine tool by vacuum and a cutting tool is moved relative thereto to cut a spiral groove.

Growing community of inventors

Fishers, IN, United States of America

Preston Earl Light