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

Claim 0:
1. A vehicle, comprising:
a 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 one or more of the at least one flange portion and the at least one radius filler of the additively manufactured sub-structure comprises a pore space fraction of about 0.1% to about 99%; and
a polymer matrix co-infused within the skin, the stiffener, and the additively manufactured sub-structure.