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    • 3. 发明申请
    • Heat exchanger
    • 热交换器
    • US20050263270A1
    • 2005-12-01
    • US11134875
    • 2005-05-23
    • Hiroyuki OsakabeTakaki OkochiToshihide Ninagawa
    • Hiroyuki OsakabeTakaki OkochiToshihide Ninagawa
    • F24H9/00F28D1/02F28D9/00F28F3/02F28F3/08
    • F28D9/0043F28D9/0056F28F3/027F28F2250/102
    • A heat exchanger comprises: flat tubes laminated on each other, an external fluid flowing in a space formed between the flat tubes arranged adjacent to each other; and fins interposed between the flat tubes, the fins being formed into a protruding and recessing shape having a flat plate portion joined to an outer wall face of the tube when viewed in the flow direction of the external fluid and having a vertical plate portion crossing the flat plate portion, wherein heat is exchanged between the external fluid and the internal fluid flowing in the tubes, the flat plate portion including protruding portions arranged so the protruding portions is inclined in the flow direction of the external fluid, protrusions of the protruding portions being increased toward the downstream side of the external fluid, the vertical plate portion being formed so it meanders in the flow direction of the external fluid.
    • 热交换器包括:彼此层叠的扁平管,在彼此相邻布置的扁平管之间形成的空间中流动的外部流体; 插入在扁平管之间的翅片,翅片形成为突出且凹陷的形状,当从外部流体的流动方向观察时,具有连接到管的外壁面的平板部分,并且具有横穿 平板部分,其中在外部流体和在管中流动的内部流体之间交换热量,平板部分包括突出部分,突出部分沿外部流体的流动方向倾斜,突出部分的突出部分 朝向外部流体的下游侧增加,垂直板部分形成为使其沿着外部流体的流动方向蜿蜒。
    • 4. 发明授权
    • Heat exchanger
    • 热交换器
    • US07267163B2
    • 2007-09-11
    • US11134875
    • 2005-05-23
    • Hiroyuki OsakabeTakaki OkochiToshihide Ninagawa
    • Hiroyuki OsakabeTakaki OkochiToshihide Ninagawa
    • F28D1/03
    • F28D9/0043F28D9/0056F28F3/027F28F2250/102
    • A heat exchanger comprises: flat tubes laminated on each other, an external fluid flowing in a space formed between the flat tubes arranged adjacent to each other; and fins interposed between the flat tubes, the fins being formed into a protruding and recessing shape having a flat plate portion joined to an outer wall face of the tube when viewed in the flow direction of the external fluid and having a vertical plate portion crossing the flat plate portion, wherein heat is exchanged between the external fluid and the internal fluid flowing in the tubes, the flat plate portion including protruding portions arranged so the protruding portions is inclined in the flow direction of the external fluid, protrusions of the protruding portions being increased toward the downstream side of the external fluid, the vertical plate portion being formed so it meanders in the flow direction of the external fluid.
    • 热交换器包括:彼此层叠的扁平管,在彼此相邻布置的扁平管之间形成的空间中流动的外部流体; 插入在扁平管之间的翅片,翅片形成为突出且凹陷的形状,当从外部流体的流动方向观察时,具有连接到管的外壁面的平板部分,并且具有横穿 平板部分,其中在外部流体和在管中流动的内部流体之间交换热量,平板部分包括突出部分,突出部分沿外部流体的流动方向倾斜,突出部分的突出部分 朝向外部流体的下游侧增加,垂直板部分形成为使其沿着外部流体的流动方向蜿蜒。
    • 9. 发明授权
    • Heat exchanger
    • 热交换器
    • US06820682B2
    • 2004-11-23
    • US10023913
    • 2001-12-18
    • Takayuki HayashiTakaki OkochiAkihiro MaedaKazuhiro Shibagaki
    • Takayuki HayashiTakaki OkochiAkihiro MaedaKazuhiro Shibagaki
    • F28F1312
    • F28D7/1684B60H1/025F01N3/043F02M26/32F28D21/0003F28F3/027F28F13/12Y02T10/20
    • A heat exchanger includes fins (111) having a plurality of sets of two louvres (111c) substantially triangular in shape which are formed in such a manner that the distance from a flat plate portion (111a) increases progressively downstream in the gas flow direction. The two louvres (111c) of each set are arranged inwardly slanted along the gas flow direction, so that a vertical swirl is generated to draw the gas flow between the louvres (111c). The gas flowing in the vicinity of the flat plate portion (111a) and the gas flowing in the vicinity of a vertical plate portion (111b) are thus accelerated. As a result, the heat conductivity of the gas and the fins (111) is improved and the particulate matter attached on the surface of the fins (111) can be blown off, thereby preventing the clogging of the fins (111).
    • 热交换器包括具有大致三角形的多组两组百叶窗(111c)的翅片(111),其形成为使得与平板部分(111a)的距离在气体流动方向上逐渐向下游增加。 每组的两个百叶窗(111c)沿着气体流动方向向内倾斜,从而产生垂直涡流以在百叶窗(111c)之间拉动气流。 因此,在平板部111a附近流动的气体和在垂直板部111b附近流动的气体被加速。 结果,气体和散热片(111)的导热性提高,并且附着在翅片(111)的表面上的颗粒物质能够被吹出,从而防止翅片(111)的堵塞。
    • 10. 发明授权
    • Exhaust gas heat exchanger
    • 废气换热器
    • US06247523B1
    • 2001-06-19
    • US09626359
    • 2000-07-27
    • Kazuhiro ShibagakiTakaki OkochiKatsunori UchimuraShigeki Daidou
    • Kazuhiro ShibagakiTakaki OkochiKatsunori UchimuraShigeki Daidou
    • F28F312
    • F28D9/0043F02M26/28F02M26/32F28D21/0003F28F3/027F28F2250/104
    • An exhaust gas heat exchanger includes exhaust gas tubes through which exhaust gas generated by a combustion flows and cooling water tubes through which cooling water for cooling exhaust gas flows. Plural segments of offset fins are disposed within each exhaust gas tube to be arranged staggeringly in a tube longitudinal direction. The cooling water tubes communicate with each other through cooling water communication passages disposed on both end sides of each exhaust gas tube in the tube longitudinal direction at diagonal positions when being viewed from a minor-diameter direction of each exhaust gas tube. The segments are tilted relative to the tube longitudinal direction toward a side opposite to a diagonal line (L1) connecting the cooling water communication passages. Thus, a cross angle between the tilt direction of the segments and a main flow of the exhaust gas becomes smaller, and a pressure loss in the exhaust gas tubes is reduced.
    • 排气热交换器包括通过燃烧产生的废气流过的排气管和冷却废气的冷却水流过的冷却水管。 在每个排气管中设置有多个偏移翅片,以在管纵向方向上交错布置。 当从各排气管的小直径方向观察时,冷却水管通过设置在每个废气管的两端侧的冷却水连通通道在管纵向上对角位置相互连通。 这些段相对于管纵向朝与连接冷却水连通通道的对角线(L1)相反的一侧倾斜。 因此,分段的倾斜方向与废气的主流之间的交叉角变小,排气管的压力损失减小。