Heat exchange – With vehicle feature
Patent
1990-01-30
1991-08-27
Davis, Jr., Albert W.
Heat exchange
With vehicle feature
165171, 165168, 165905, 244117A, 244158A, F28F 312, B64C 138
Patent
active
050425650
ABSTRACT:
A braided fiber reinforced composite, particularly a braided graphite fiber reinforced copper composite leading edge heat exchanger 18 is disclosed, formed of inlet and outlet conduits 22 and 24 and means forming a plurality of passages 26 interconnecting the conduits, as a single integral unit. The heat exchanger is formed by providing inlet and outlet manifolds 36 and 38, successively interconnecting a plurality of mandrels 40, 52 and 56 transversely between the manifolds and braiding reinforcing fibers 32 preferably having high elevated temperature strength and high thermal conductivity, e.g. graphite fibers, around each of the mandrels and the manifolds, the braiding progressing in a direction along the length of the manifolds. The resulting braided preform 58 is consolidated by introducing a matrix material of high thermal conductivity, such as copper or copper alloy, e.g. as by molten infiltration, into the braided preform 58 and removing the mandrels and manifolds from the consolidated preform, as by leaching.
REFERENCES:
patent: 4545429 (1985-10-01), Place, Jr.
patent: 4671348 (1987-06-01), Bauer
patent: 4786015 (1988-11-01), Niggemann
patent: 4838346 (1989-06-01), Camarda et al.
Ash Beverly A.
Purmort William P.
Yuen James L.
Davis Jr. Albert W.
Field Harry B.
Hamann H. Fredrick
Kahm Steven E.
Rockwell International Corporation
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