Gas turbine engine heat exchanger for annular flowpaths
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United States of America Patent
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Jul 5, 2022
Grant Date -
Jul 8, 2021
app pub date -
Jan 3, 2020
filing date -
Jan 3, 2020
priority date (Note) -
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Abstract
A heat exchanger has arcuate inlet and outlet manifolds and a plurality of tube banks, each tube bank coupling one of the inlet manifold outlets to an associated one of the outlet manifold inlets. Each tube bank partially nests with one or more others of the tube banks and has: a first header coupled to the associated inlet manifold outlet and the associated the outlet manifold inlet; a second header; and a plurality of tube bundles each having a first end coupled to the associated first header and a second end coupled to the associated second header. A flowpath from the each inlet manifold outlet passes sequentially through flowpath legs formed by each of the tube bundles in the associated tube bank to exit the tube bank to the associated outlet manifold inlet.
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