Jeffrey W Barnes

US Patent:

20230030180, Feb 2, 2023

Filed:

Jul 30, 2021

Appl. No.:

17/389714

Inventors:

- Chicago IL, US
Daniel M. Levine - Seattle WA, US
Jeffrey E. Barnes - Shoreline WA, US
Jeffrey F. Stulc - Stanwood WA, US
Christopher R. Loesche - Bothell WA, US
Garrett C. Hanson - Everett WA, US

Assignee:

The Boeing Company - Chicago IL

International Classification:

B64C 3/18

Abstract:

A vented hat stringer for an aircraft comprises a first hat-stringer leg with a first-hat-stringer-leg surface, a second hat-stringer leg with a second-hat-stringer-leg surface, a first hat-stringer sidewall, a second hat-stringer sidewall, and a hat-stringer connecting wall, comprising a hat-stringer-connecting-wall surface and a virtual hat-stringer-connecting-wall symmetry plane, passing through hat-stringer connecting wall. The vented hat stringer further comprises a ventilation opening, extending through at least one of the first hat-stringer sidewall or the hat-stringer connecting wall, or extending through at least one of the second hat-stringer sidewall () or the hat-stringer connecting wall. The ventilation opening defines a ventilation-opening centerline, wherein the ventilation-opening centerline does not coincide with the virtual hat-stringer-connecting-wall symmetry plane.

US Patent:

20230031639, Feb 2, 2023

Filed:

Jul 30, 2021

Appl. No.:

17/390244

Inventors:

- Chicago IL, US
Daniel M. Levine - Seattle WA, US
Jeffrey E. Barnes - Shoreline WA, US
Jeffrey F. Stulc - Stanwood WA, US
Christopher R. Loesche - Bothell WA, US
Garrett C. Hanson - Everett WA, US

Assignee:

The Boeing Company - Chicago IL

International Classification:

B64C 3/18

Abstract:

A hat-stringer assembly () for an aircraft () comprises a hat stringer () with a first hat-stringer leg (), a second hat-stringer leg (), a first hat-stringer sidewall (), a connecting wall (), a second hat-stringer sidewall (), and a ventilation opening (), extending through the connecting wall (). The hat stringer assembly () also comprises a fitting (), comprising a first channel member () in contact with the first hat-stringer sidewall () and the first hat-stringer leg (). The fitting () also comprises a second channel member () in contact with the second hat-stringer sidewall () and the second hat-stringer leg (). The fitting () further comprises a web cap (), in contact with the first channel member () and the second channel member (). The web cap () comprises a web-cap opening (), which is in fluidic communication with the ventilation opening ().