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    • 42. 发明授权
    • Heat exchanger for air conditioner and method of fabricating the heat
exchanger
    • 用于空调的热交换器和制造热交换器的方法
    • US5964284A
    • 1999-10-12
    • US21343
    • 1998-02-10
    • Kaoru IkejimaTakashi GotohTsuneo YumikuraMichimasa TakeshitaTakayuki Yoshida
    • Kaoru IkejimaTakashi GotohTsuneo YumikuraMichimasa TakeshitaTakayuki Yoshida
    • B23K1/00F28F1/12F28F1/32
    • B23K1/0012F28F1/122B23K2201/14Y10S165/50Y10S165/518Y10S165/906Y10T29/4938Y10T29/49393
    • A heat exchanger for an air conditioner comprises a plurality of heat-transfer tubes arranged in parallel to each other at predetermined intervals, and heat-transfer fins formed by helically winding a plurality of fine wires around the plurality of heat-transfer tubes. Preferably, the heat-transfer tubes are divided into groups of two adjacent heat-transfer tubes (1a, 1b), (1b, 1c), (1c, 1d), . . . , and at least one fine wire fin is wound helically around the two adjacent heat-transfer tubes of each group so that the fine wire fin does not cross other portions of the fine wire fin as viewed along a direction perpendicular to a plane including the axes of the plurality of heat-transfer tubes. When fabricating the heat exchanger, at least either the outer circumferences of the heat-transfer tubes or the outer circumferences of the fine wires are coated with a metal film formed by plating, and then the heat-transfer tubes and the fine wires are interlaced to form a heat exchanging structure. Then, the heat exchanging structure is heated to the melting point of the metal film so that the metal film is melted and the heat-transfer tubes and the fine wires are bonded together by the molten metal film.
    • 空调机用热交换器包括以规定间隔彼此平行配置的多个热传输管,以及通过在多个传热管周围螺旋地卷绕多根细线而形成的传热翅片。 优选地,传热管被分成两组相邻的传热管(1a,1b),(1b,1c),(1c,1d)。 。 。 并且至少一个细金属丝翅片围绕每组的两个相邻的传热管螺旋地缠绕,使得当沿着垂直于包括轴线的平面的方向观察时,细线翅片不会与细线翅片的其它部分交叉 的多个传热管。 在制造热交换器时,传热管的外周或细线的外周中的至少一方涂覆有通过电镀形成的金属膜,然后将传热管和细线交织成 形成热交换结构。 然后,将热交换结构加热到金属膜的熔点,使得金属膜熔化,并且传热管和细线通过熔融金属膜接合在一起。