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    • 1. 发明授权
    • Heat exchanger for cooling circulating water of fuel cells & process for producing same
    • 用于冷却燃料电池循环水的热交换器及其制造方法
    • US06478078B1
    • 2002-11-12
    • US09669689
    • 2000-09-26
    • Tsutomu MatsuzakiYoshihiro SasakiChizuko Yoshida
    • Tsutomu MatsuzakiYoshihiro SasakiChizuko Yoshida
    • F28F1902
    • H01M8/04074F28D2021/0043F28F19/04Y02P70/56
    • The invention relates to a heat exchanger for cooling a circulating water of a fuel cell. This heat exchanger includes (1) an aluminum member having an inner surface which defines an inner space in the aluminum member such that the circulating water is allowed to flow through the inner space; and (2) a resin coating layer formed on the inner surface of the aluminum member. It becomes possible to prevent contamination of the circulating water by the provision of the resin coating layer. The heat exchanger can be produced by a first process including (a) providing a core portion having tubes made of aluminum and corrugated fins, which are alternately arranged; (b) assembling the core portion and a tank made of aluminum into an assembly; (c) brazing the assembly by heating into a brazed assembly; and (d) coating the inner surface of the brazed assembly with a resin coating layer.
    • 本发明涉及一种用于冷却燃料电池循环水的热交换器。 该热交换器包括(1)铝构件,其具有限定铝构件内部空间的内表面,使得循环水能够流过内部空间; 和(2)在铝构件的内表面上形成的树脂涂层。 通过设置树脂被覆层,能够防止循环水的污染。 热交换器可以通过第一工艺生产,包括(a)提供具有交替布置的由铝和波纹状散热片制成的管的芯部; (b)将芯部和由铝制成的罐组装到组件中; (c)通过加热将组件钎焊到钎焊组件中; 和(d)用树脂涂层涂覆钎焊组件的内表面。