Patent ID: 11891163
Assignee: SUPRA LUMINA TECHNOLOGIES INC.
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 7:
8. A duct, comprising:
a housing including at least a hollow interior, an inner surface, and an outer surface;
a cutout in the housing at a leading edge of the duct, the cutout sized to traverse inner and outer surfaces of the housing and interrupt the leading edge of the duct, the cutout defining two side edges, each side edge being parallel to a flow axis and a leading edge of the cutout disposed in a plane being generally normal to the flow axis; and
a reduced duct thickness portion between the two side edges, the reduced duct thickness portion including at least the inner surface, an outer surface of the reduced duct thickness portion, and a second leading edge with a curved surface, the outer surface of the reduced duct thickness portion being offset inwardly from the outer surface of the housing.