Patent ID: 8851157
Filing Date: 2014-10-07
Classification: F28D,F28F

Abstract:
1. A header for a heat exchanger having a pair of spaced manifolds and a plurality of tubes extending between the manifolds, the header comprising: a header plate forming a portion of the manifold, the header plate having an inward surface for orienting toward an interior of the manifold and an outward surface for orienting away from the interior of the manifold; wherein a plurality of openings is formed in the header plate, each opening being elongated with a longitudinal axis and opposite ends, each opening has a perimeter with sides, a web of material extending between and connecting the sides of the perimeter of at least one opening, the web being located between and spaced from the opposite ends of the opening to divide the opening into at least two opening portions extending along the longitudinal axis of the elongated opening; wherein a ferrule extends from the outward surface of the header plate along portions of the perimeter of each of the openings of the header plate; wherein the ferrule for each opening includes two ferrule portions positioned in opposition to each other at the opposite ends of the opening; and wherein the ferrule for each opening is absent from portions of the perimeter of the opening between the opposite ends of the opening; wherein, for a said opening, only one said ferrule portion is positioned on a first one of the opening portions and only one said ferrule portion is positioned on a second one of the opening portions.