LEVEL WOUND COIL, AND MANUFACTURING METHOD OF CORRUGATED HEAT TRANSFER TUBE

PROBLEM TO BE SOLVED: To provide a level wound coil for a corrugated heat transfer tube, and a manufacturing method of the corrugated heat transfer tube capable of easily supply a corrugated heat transfer tube of a desired length having no risk of breaking even when stress is applied to a corrugate...

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Bibliographische Detailangaben
Hauptverfasser:	KAWANO SHU, KITAJIMA HIRONORI, KOYAMA KEI, HOFUKU MAMORU, HIROSHIMA KAZUHIKO, HORIGUCHI MASARU, INUI KENICHI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION 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 MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a level wound coil for a corrugated heat transfer tube, and a manufacturing method of the corrugated heat transfer tube capable of easily supply a corrugated heat transfer tube of a desired length having no risk of breaking even when stress is applied to a corrugate groove. SOLUTION: The level wound coil 2 is equipped with the corrugated heat transfer tube 1 having flat parts 12 having predetermined hardness, predetermined length, and predetermined tube thickness, and extending and contracting in response to stress applied during alignment winding, and the corrugated grooves 10 provided between the flat parts 12 at a predetermined corrugate pitch Pc, and of hardness higher than the predetermined hardness of the flat parts 12. The corrugated heat transfer tube 1 is composed of a plurality of coil layers subjected to alignment winding and traverse winding. COPYRIGHT: (C)2009,JPO&INPIT