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    • 4. 发明公开
    • HEAT EXCHANGER WITH PRECISION MANUFACTURED FLOW PASSAGES
    • 具有精密制造流动通道的热交换器
    • EP3252420A1
    • 2017-12-06
    • EP17171560.0
    • 2017-05-17
    • United Technologies Corporation
    • GOLAN, John W.SCHWARZ, Frederick M.
    • F28F7/02F28F13/08F28D7/00F28F1/04
    • A heat exchanger (106) has a first plurality of passages (128, 130, 134, 138) extending in a first direction and to receive a first fluid and a second plurality of passages (117) extending in a second direction, and to receive a second fluid, and the first plurality of passages (128...138) being formed across a first cross-sectional face (F 1 ) of the heat exchanger (106), wherein a corner (126) is defined at an upstream end of said first plurality of passages (128... 138) and said second plurality of passages (117), and a flow cross-sectional area of said first and second pluralities of passages being less adjacent said corner (126) than at locations spaced from said corner. A gas turbine engine (20) and a method of forming a heat exchanger (106) are also disclosed.
    • 热交换器(106)具有沿第一方向延伸且接收第一流体的多个第一通道(128,130,134,138),以及沿第二方向延伸的多个第二通道(117),并且接收 (126)的第一横截面(F1)上形成第一流体,第二流体和所述第一多个通道(128 ... 138),其中角部(126)限定在所述热交换器 所述第一多个通道(128 ... 138)和所述第二多个通道(117),并且所述第一和第二多个通道的流动横截面积与所述拐角(126) 说道。 还公开了燃气涡轮发动机(20)和形成热交换器(106)的方法。