Heat exchange – Radiator core type – Side-by-side tubes traversing fin means
Reexamination Certificate
2005-12-20
2005-12-20
Mckinnon, Terrell (Department: 3743)
Heat exchange
Radiator core type
Side-by-side tubes traversing fin means
C165S152000, C062S515000
Reexamination Certificate
active
06976529
ABSTRACT:
A fin for a heat exchanger coil assembly and a method of manufacturing the fin is provided. The fin includes a heat transfer enhancement pattern which appears sinusoidal in shape. The base wavy pattern of the enhancement pattern includes two wavelengths within each tube row and includes seven discrete segments. Six of the seven segments are circular arc segments. The seventh segment comprises two linear segments which form a condensate channel. The segments are arranged in a particular order at specific distances offset (above and below) from a leading edge nominal air streamline (LENAS) by a fraction of a nominal fin pitch Pf. The LENAS is related to the “normal” base wavy pattern used in other fins.
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Mckinnon Terrell
McNees Wallace & Nurick LLC
York International Corporation
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