Heat exchange – Casing or tank enclosed conduit assembly – With distinct flow director in casing
Patent
1981-04-06
1984-03-06
Cline, William R.
Heat exchange
Casing or tank enclosed conduit assembly
With distinct flow director in casing
165159, 165182, F28D 700, F28F 922
Patent
active
044348460
ABSTRACT:
Embossed patterns on fins for the tubes of a shell and tube type heat exchanger for increased efficiency and heat transfer rate, with minimum additional pressure drop. The fins extend transversely across most of the tubes in the tube bundle and have apertures through which the tubes pass. The embossed patterns, which have a "bow tie" configuration are spaced between adjacent tubes and have a generally convex or concave shape with respect to the planar surface of the fin. Each embossed area has a crest and a pair of opposite sides which slope from the crest down to the planar fin surface, and a pair of opposite arcuately shaped sides which slope from the crest to the planar fin surface, and which have arcs that conform to the arcs of the adjacent tubes. An array of such embossed areas are provided on the fin, and a plurality of fins are placed side by side in the heat exchanger to provide a large surface area for fluid contact.
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Cline William R.
Kramer John M.
McQuay Inc.
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