Patent ID: 6698508
Filing Date: 2004-03-02
Classification: F28F

Abstract:
A fin and tube type heat-exchanger, comprising:a plurality of cooling fins arranged at predetermined intervals, each cooling fin having a number of joint holes which are formed on the surfaces thereof and arranged in at least one or more stages and a number of slits disposed at spaces between the joint holes formed on each stage in one surface of the cooling fins, each slit having a projecting segment which has an open portion opened correspondingly to the direction of air flow and a pair of standing segments formed at both sides of the projecting segment for guiding the direction of air flow, the projecting segments of the slits being projected in the same direction from the surface of each cooling fin, the slits being grouped by four rows, wherein each slit of each row is divided into two unit slits; and a plurality of heat tubes passing through the joint holes of each cooling fin and joined with the joint holes respectively, each heat tube having a diameter of 5Ëœ6 mm or smaller and allowing refrigerant to move therein, wherein the distance between the centers of two joint holes, which are arranged side by side at the same stage of the cooling fin, is approximately 19 mmËœ20 mm.