Heat exchanger fins of an air conditioner

Details Heat exchanger fins of an air conditioner Heat exchanger fins of an air conditioner

1997-12-16

1999-03-30

Leo, Leonard R.

Heat exchange

Radiator core type

Side-by-side tubes traversing fin means

165146, 165181, F28D 104

Patent

active

058876499

ABSTRACT:
A heat exchanger includes parallel fins and heat transfer pipes extending through the fins for conducting a heat transfer fluid. Each fin includes four groups of slit-forming grilles disposed between each vertically spaced pair of pipes. The first and third groups are disposed below a first pipe of the pair, and the second and fourth groups are disposed above a second pipe of the pair. The third group is disposed behind the first group, and the fourth group is disposed behind the second group, considered with reference to a direction of fluid flow. An intermediate slit-forming grille is located behind the first and second groups and in front of the third and fourth groups. The grilles of each of the first and second groups project from the fin by respective heights which become progressively greater in the direction of fluid flow. The grilles of each of the third and fourth groups project from the fin by respective heights which become progressively greater, or alternatively shorter, in the direction of fluid flow.

REFERENCES:
patent: 4469167 (1984-09-01), Itoh et al.
patent: 4756362 (1988-07-01), Kudoh et al.
patent: 5062475 (1991-11-01), Bemisderfer et al.
patent: 5099914 (1992-03-01), Reifel
patent: 5353866 (1994-10-01), Ueda et al.
patent: 5685367 (1997-11-01), Jun
patent: 5706885 (1998-01-01), Kim

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