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    • 3. 发明申请
    • HEAT EXCHANGER WITH HEADER TUBES
    • 带头管的热交换器
    • WO2006009971A2
    • 2006-01-26
    • PCT/US2005/021698
    • 2005-06-20
    • INGERSOLL-RAND ENERGY SYSTEMSCOSTEN, Michael, K.MOISIADE, Cezar, I.
    • COSTEN, Michael, K.MOISIADE, Cezar, I.
    • F02C7/10
    • F02C7/10F28D9/0043F28D21/001F28F3/025F28F9/0268
    • A heat exchange cell for use in a recuperator includes top and bottom plates spaced apart to define therebetween an internal space. Within the internal space are inlet and outlet header tubes communicating with a plurality of internal matrix fins. The header tubes are rigidly affixed to at least one adjacent header tube and to the top and bottom plates. The header tubes may have a rectangular cross-section and may, for example, be metallurgically bonded to the top and bottom plates and to each other through brazing. Rigidly affixing the header tubes to each other reduces the stress on the fillets that bond the tubes to the top and bottom plates. This in turn permits less structural material to be used in the header portions of the cell and reduces pressure drop across the headers.
    • 用于同流换热器的热交换单元包括间隔开的顶板和底板以在其间限定内部空间。 在内部空间内的是与多个内部基体翅片连通的入口和出口集管。 头管刚性地固定在至少一个相邻的头管和顶板和底板上。 头管可以具有矩形截面,并且例如可以通过钎焊冶金结合到顶板和底板并且彼此结合。 刚性地将联箱管彼此固定在一起会减小将管连接到顶板和底板的圆角上的应力。 这反过来允许在电池的头部使用较少的结构材料,并减小头部的压降。