Heat exchange – Radiator core type – Side-by-side tubes traversing fin means
Patent
1994-11-17
1998-03-03
Leo, Leonard R.
Heat exchange
Radiator core type
Side-by-side tubes traversing fin means
165DIG503, F28D 104
Patent
active
057224854
ABSTRACT:
An improved louvered fin heat exchanger having plural fins arranged in substantially parallel, closely spaced relation and a plurality of heat transfer tubes passing through aligned openings in the fins is disclosed. Each fin includes a plurality of first and second louvers which intersect a nominal plane of the fin at respective first and second angles such that the first louvers are in diverging relationship with the second louvers on one side of the fin and in converging relationship with the second louvers on an opposite side of the fin, thereby providing a bi-directional louver configuration. Each fin further includes a plurality of collars defining the respective fin openings. Each collar has a substantially cylindrical portion and two distinct base portions on one side of the fin which defines two distinct recesses on an opposite side of the fin. Each substantially cylindrical collar is adapted to engage the one of the recessed portions of an adjacent fin collar to facilitate alignment of the fins during assembly. The louvered fin of the present invention is particularly well-suited to accommodate smaller diameter (e.g., on the order of 5/16 inch) heat exchanger tubes.
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Lamkin John D.
Love Daniel M.
Lennox Industries Inc.
Leo Leonard R.
McCord W. Kirk
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