Patent ID: 6401809
Filing Date: 2002-06-11
Classification: F28F,Y10S

Abstract:
A continuous combination fin for a heat exchanger comprising:a base wall having a first portion, a second portion and a third portion; a plurality of entrance louvers in said first portion extending outwardly at a predetermined angle in a first direction from said base wall, said entrance louvers extending generally perpendicular to a longitudinal axis of said base wall and spaced longitudinally therealong; a plurality of exit louvers in said third portion extending outwardly at a predetermined angle in a second direction from said base wall reversed from the first direction, said exit louver extending generally perpendicular to the longitudinal axis of said base wall and spaced longitudinally therealong; and a plurality of drainage louvers in one of said first portion and said second portion and said third portion, said drainage louvers extending generally perpendicular to the longitudinal axis of said base wall and spaced longitudinally therealong and being off-set vertically from said base wall a distance therefrom to form first apertures being disposed below said drainage louvers such that air flows through said entrance louvers and exit louvers and water drains through said drainage louvers.