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    • 10. 发明授权
    • Method of making an automotive heat exchanger with indented pins
    • 制造具有凹口针的汽车热交换器的方法
    • US5867904A
    • 1999-02-09
    • US939355
    • 1997-09-29
    • Matthew K. HarrisMichael L. SnyderPeter J. Breiding
    • Matthew K. HarrisMichael L. SnyderPeter J. Breiding
    • F28F1/02F25B39/04F28F1/12F28F1/32B23P15/26
    • B23P15/26F28F1/126Y10T29/49378Y10T29/49393
    • A heat exchanger of the type used for a condenser in a vehicle air conditioning system includes a pair of parallel, tubular headers which are spaced apart with a plurality of refrigerant flow tubes extending between the headers. The flow tubes have upper and lower flat sides, and forward and rearward outermost edges. The forward and rearward outermost edges longitudinally extend the length of the flow tubes to define forward and rearward outermost planes of the flow tubes, respectively. A plurality of serpentine fins have alternately disposed ridges and furrows which define upper and lower crests. Portions of some of the crests are indented to provide recesses, with tabs extending from one end of the crests. The tabs extend outward and in contact with one of the edges of the flow tubes. The headers and serpentine fins are brazing clad for passing through a brazing furnace to braze the headers and serpentine fins to the flow tubes. The heat exchanger is brazed while in a horizontal plane. The tabs of the fins prevent the fins from slipping downward during brazing.
    • 用于车辆空调系统中的冷凝器类型的热交换器包括一对平行的管状集管,其与在集管之间延伸的多个制冷剂流管间隔开。 流管具有上下平坦的侧面,以及前后的最外边缘。 前部和后部最外边缘分别纵向延伸流管的长度以限定流管的向前和向后最外平面。 多个蛇形翅片具有交替布置的脊和沟,其限定上下峰。 一些顶部的部分凹入以提供凹槽,突出部分从凸起的一端延伸。 突片向外延伸并与流管的边缘之一接触。 集管和蛇形散热片是钎焊包层,通过钎焊炉将集管和蛇形翅片钎焊到流动管。 热交换器在水平面上钎焊。 翅片的舌片防止翅片在钎焊过程中向下滑动。