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    • 6. 发明专利
    • Leakage detecting tube
    • 泄漏检测管
    • JP2008190858A
    • 2008-08-21
    • JP2008002457
    • 2008-01-09
    • Kobelco & Materials Copper Tube Inc株式会社コベルコ マテリアル銅管
    • SHIRAI TAKASHI
    • F28F1/00F28D7/10
    • F28F1/003
    • PROBLEM TO BE SOLVED: To provide a leakage detecting tube excelling in productivity compared with a conventional leakage detecting tube. SOLUTION: A heat exchanger 50 using a large diameter tube 10 allowing one of water and a refrigerant to flow through, and one or more leakage detecting tubes 1 arranged in the large diameter tube to allow the other of the water and refrigerant to flow through, exchanges heat between heat media using the water and refrigerant as the heat media. The leakage detecting tube 1 has an inner tube 3 allowing the water or refrigerant to flow through, and an outer tube 2 fitted to the outside of the inner tube 3, and detects a leakage of the water or refrigerant through a leakage passage formed between the inner tube 3 and outer tube 2. At least one tube end of the leakage detecting tube 1 is formed such that a tube end face 2A of the outer tube 2 and a tube end face 3A of the inner tube 3 are on the same plane, and a leakage detecting part 5 penetrating the outer tube 2 and opened to the outer surface of the outer tube 2 and to the inner surface of the outer tube 2 is provided near the at least one tube end of the outer tube 2. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供与传统的泄漏检测管相比,生产率优异的泄漏检测管。 解决方案:使用允许水和制冷剂中的一个流过的大直径管10的热交换器50和布置在大直径管中的一个或多个泄漏检测管1,以允许另一个水和制冷剂 流过热交换器之间的热媒,使用水和制冷剂作为热介质。 泄漏检测管1具有允许水或制冷剂流过的内管3和安装在内管3的外侧的外管2,并且通过形成在内管3的泄漏通道来检测水或制冷剂的泄漏 内管3和外管2.泄漏检测管1的至少一个管端形成为使得外管2的管端面2A和内管3的管端面3A位于同一平面上, 并且在外管2的至少一个管端附近设置有穿透外管2并且向外管2的外表面和外管2的内表面开口的泄漏检测部5。 版权所有(C)2008,JPO&INPIT