Fin Tube Assembly for Heat Exchanger and Method

Primary Inventor: Ranga Nadig
Contributing Inventor(s): Ram Chandran, Michael Phipps
Date of Patent Issuance: November 13, 2007
Status: Granted
Jurisdiction: US
Assignee: Holtec International, Inc.
Equipment Type: Air Cooled Condenser
Docket Number: HOL-032
Application Number: 11/158,701
Patent Number(s): US 7,293,602 B2

Prior Publication Data: US 2006/0289151 A1 (Dec. 28, 2006)

Abstract: A fin and tube assembly for use in a heat exchanger comprising a carbon steel tube, a carbon steel fin, and an external brazing compound comprising a material selected from the group consisting of nickel, chrome, copper, aluminum, zinc, and graphite brazed to the tube and fin is disclosed. A method for making the assembly and a power plant which includes the assembly are also disclosed. The brazing compound functions to prevent corrosion of the carbon steel and also functions to attach the tube and fin together.