Patent ID: 11958623
Assignee: RTX CORPORATION
Field: Materials, metallurgy (Chemistry)
Classification: CPC B  F  Y | IPC B  F

Claim 17:
18. A core cowl assembly for a gas turbine engine comprising:
an articulatable first core cowl door;
an articulatable second core cowl door;
a first heat exchanger that comprises an external surface of the first core cowl door, the first heat exchanger comprises a first multiple of fins that extend outward from the first core cowl door into a fan bypass airflow, at least one of the first multiple of fins contains a passage that comprises a tailored cross-sectional geometry;
a second heat exchanger that comprises an external surface of the second core cowl door, the second heat exchanger comprises a second multiple of fins that extend outward from the second core cowl door into the fan bypass airflow, at least one of the second multiple of fins contains a passage that comprises a tailored cross-sectional geometry; and
a distribution manifold operable to receive heated oil from a gas turbine engine and distribute the oil to the first and second heat exchangers to extract heat therefrom.