METHOD FOR PRODUCING HEAT EXCHANGER, HEAT EXCHANGER AND HEAT PUMP TYPE MOLTEN METAL SUPPLYING DEVICE

PROBLEM TO BE SOLVED: To provide a method for producing a heat exchanger in which a capillary and a linear brazing filler metal are simultaneously wound around a straight pipe, heating is performed, and the capillary is brazed along the straight pipe, thus the installment of the brazing filler metal...

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Bibliographische Detailangaben
Hauptverfasser:	WAKATSUKI TOSHIKI, FUJIMORI HIROSHI, NAKATANI TETSUMI, KUWABARA EIJI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING HEAT EXCHANGE IN GENERAL HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT HEATING LIGHTING MACHINE TOOLS MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PUNCHING METAL SOLDERING OR UNSOLDERING TRANSPORTING WEAPONS WELDING WORKING BY LASER BEAM WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for producing a heat exchanger in which a capillary and a linear brazing filler metal are simultaneously wound around a straight pipe, heating is performed, and the capillary is brazed along the straight pipe, thus the installment of the brazing filler metal to the capillary and a coating operation of a paste-shaped brazing filler metal is eliminated, working cost is reduced, and a heat exchanger can be inexpensively produced. SOLUTION: In the method for producing a heat exchanger, a straight pipe is prepared, a capillary whose diameter is smaller than that of the straight pipe and a linear brazing filler metal thinner than the capillary are simultaneously wound around the straight pipe along the longitudinal direction of the straight pipe, thereafter, heating is performed in a furnace, and the capillary is brazed to the straight pipe. COPYRIGHT: (C)2011,JPO&INPIT