A non-plain carbon steel header for a heat exchanger

Details A non-plain carbon steel header for a heat exchanger A non-plain carbon steel header for a heat exchanger

F - Mech Eng,Light,Heat,Weapons

28

F

F28F 9/16 (2006.01) B23P 11/00 (2006.01) B23P 15/26 (2006.01)

Patent

CA 2704057

A heat exchanger, such as an air-to-air after-cooler assembly, having reduced and/or eliminated leakage at the tube/header joint is provided. The assembly comprises a series of tubular members formed from a first metal, each of the tubular members including an end portion and a header formed from a second metal, wherein the first metal and the second metal have similar coefficients of thermal expansions. The header includes a plurality of openings extending therethrough and each of the end portions of the tubular members is mechanically secured within corresponding openings within the header to form an after-cooler assembly. A method for forming the air-to-air after-cooler assembly is also provided.

L'invention concerne un échangeur de chaleur, tel qu'un ensemble refroidisseur intermédiaire air/air, présentant moins, voire plus du tout, de fuites au niveau du raccordement conduit/collecteur. L'ensemble comprend une série d'éléments tubulaires formés d'un premier métal, chacun des éléments tubulaires comprenant une partie d'extrémité et un collecteur formé d'un second métal, le premier métal et le second métal présentant des coefficients de dilatation thermique similaires. Le collecteur comprend une pluralité d'ouvertures s'étendant au travers de celui-ci et chacune des parties d'extrémité des éléments tubulaires est fixée mécaniquement dans des ouvertures correspondantes dans le collecteur pour former un ensemble de refroidissement intermédiaire. L'invention concerne également un procédé de formation de l'ensemble de refroidissement intermédiaire air/air.

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