The Boeing Company

Clinton L Johnson

Lyle Ray Deobald

Satya S Vangala

Avnishkumar A Patel

Andreas Panayi

Ryan S McClarty

Andrew M McLean

Ryan S Mcclarty

Andrew M Mclean

A stringer runout configuration has a pair of fittings with each fitting having a fitting web that is configured for attachment to a stringer web of a stringer on opposite sides of a terminating end of the stringer. The stringer web has a terminating end with a curved configuration and base flanges with rounded terminating ends. Each fitting has a base flange that has a bottom surface with a first surface area and a second surface area positioned at different heights. The first surface area of each of the fittings is configured for attachment to a stringer base flange on opposite sides of a terminating end of the stringer. The second surface area of each of the fittings is configured for attachment to a composite panel surface adjacent the terminating end of the stringer. These and other detailed design features described herein enhance the capability of the runout configuration.

Enhanced design for stringer runout terminations on composite panels

Structurally reinforced composite components are disclosed having access openings reinforced to increase strain load and buckling load without adding weight to the composite components by inducing out-of-plane regions proximate to the access opening during composite prepreg laminate layup.

Composite materials having reinforced access openings

Growing community of inventors

Sammamish, WA, United States of America

Clinton L Johnson