US 12,110,094 B2
Keel beam assembly for an aircraft
Danilo Vukosav, Kirkland, WA (US); Daniel Cox, Seattle, WA (US); Evgeny M. Potupchik, Mukilteo, WA (US); James David Tummons, Kirkland, WA (US); Ryan Matthew Slater, Lynnwood, WA (US); and Timothy R. Portway, Everett, WA (US)
Assigned to The Boeing Company, Arlington, VA (US)
Filed by The Boeing Company, Chicago, IL (US)
Filed on Jan. 19, 2022, as Appl. No. 17/579,241.
Claims priority of provisional application 63/139,722, filed on Jan. 20, 2021.
Prior Publication US 2022/0227474 A1, Jul. 21, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. B64C 1/10 (2006.01); B64C 1/06 (2006.01); B64C 1/26 (2006.01); B64C 25/04 (2006.01); B64C 25/12 (2006.01)
CPC B64C 1/26 (2013.01) [B64C 1/064 (2013.01); B64C 1/069 (2013.01); B64C 1/10 (2013.01); B64C 25/04 (2013.01); B64C 2025/125 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A keel beam assembly, comprising:
a pair of keel chords extending outside an aircraft fuselage and forming at least part of a lower keel box portion of a keel box; and
an upper keel box portion of the keel box coupled to the pair of keel chords and having an aft end engaged with and secured to an aft wheel well bulkhead (AWWB),
wherein the AWWB includes a web, the upper keel box portion having a pair of side portions spaced laterally from one another, and an upper portion connecting the pair of side portions, wherein the pair of side portions are separately secured through the web to a backup structure engaged with an aft side of the web.