Patent ID: 6823932
Filing Date: 2004-11-30
Classification: F28D,F28F

Abstract:
In a heat exchanger including a core having at least one row of a plurality of spaced, parallel, straight runs of flattened tubing having long sides connected by short sides, including first and last spaced side runs, and each defining an associated side on opposite sides of said row; fins bridging the spacing between each of the plurality of runs and extending outwardly oppositely from outwardly facing sides of said first and last runs, and bonded to the tubing; and a pair of side pieces, one at each side of said row and outwardly of the fins thereat, the improvement wherein each said side piece is elongated to extend substantially between the ends of said first and said last runs and sandwiches said fins against said first and last runs, each said side piece including an inwardly directed end hooked on the long sides of the associated one of said first and last runs at said ends thereof.