PROCESSO DE FABRICACAO DE PERMUTADOR DE CALOR

A method of making tube (20) having a plurality of hydraulically parallel fluid passages (46-60) for use in a heat exchanger comprises forming an elongated, undulating insert (40) and disposing the same within a flattened tube. A noncorrosive brazing flux is adhered to at least one of the interior o...

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Bibliographische Detailangaben
Hauptverfasser:	SCOTT R. LARRABEE, RUSSELL C. AWE, DEAN A. ARNESON, JEFFREY A. LOGIC, Z. PHILIP SAPERSTEIN, NORMAN F. COSTELLO
Format:	Patent
Sprache:	por
Schlagworte:	BLASTING CLADDING OR PLATING BY SOLDERING OR WELDING COMBINED OPERATIONS CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION HEAT EXCHANGE IN GENERAL HEATING LIGHTING MACHINE TOOLS MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR OTHER WORKING OF METAL PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING UNIVERSAL MACHINE TOOLS WEAPONS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	A method of making tube (20) having a plurality of hydraulically parallel fluid passages (46-60) for use in a heat exchanger comprises forming an elongated, undulating insert (40) and disposing the same within a flattened tube. A noncorrosive brazing flux is adhered to at least one of the interior of the tube and the crests (41) on the undulating insert (40). Braze alloy is also located at the interface of the crests (41) of the insert and the interior wall (42) of the tube. Thereafter, the insert is located within the tube without disturbing the flux and the tube deformed along its length to bring the interior of the tube into contact with the crests on the insert. The assembled tube and insert construction is then heated to braze joints between the interior wall of the tube and the crests of the insert along the entire length of the latter.