Patent ID: 7003879
Filing Date: 2006-02-28
Classification: B23P,F28D,F28F,Y10T

Abstract:
1. A method of at least one of increasing airflow around a plurality of tubes in a heat exchanger, and increasing a web in a header around such plurality of tubes, said method comprising the steps of: a) providing a predetermined plurality of tubes having a predetermined end configuration b) inserting said predetermined end configuration into an opening of a header of such heat exchanger, said header having a predetermined number of openings disposed in a predetermined staggered array, wherein said header is formed by identifying a direction of airflow, determining at least one of a row pitch and a tube pitch of said predetermined number of openings, and aligning at least one of said row pitch and said tube pitch with respect to said airflow; c) arranging said predetermined plurality of tubes such that said row pitch and said tube pitch are spaced substantially identical; and d) securing an end of each said predetermined plurality of tubes into said predetermined number of openings in said header.