Patent ID: 11964441
Assignee: THE BOEING COMPANY
Field: Other special machines (Mechanical engineering)
Classification: CPC B  Y | IPC B

Claim 11:
12. A composite part for a vehicle, the composite part comprising:
a skin comprising one or more material layers;
a stiffener comprising one or more material layers, the stiffener comprising a flange and a web;
an additively manufactured sub-structure positioned between at least a portion of the skin and at least a portion of the stiffener, the additively manufactured sub-structure comprising at least one flange portion, at least one radius, and at least one radius filler, wherein the at least one flange portion of the additively manufactured sub-structure comprises a pore space fraction of about 0.1% to about 99% of a volume of the additively manufactured sub-structure; and
a polymer matrix co-infused within the skin, the stiffener, and the additively manufactured sub-structure.