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    • 4. 发明公开
    • EXHAUST GAS PURIFYING DEVICE FOR INTERNAL COMBUSTION ENGINE, AND SWIRL GENERATING DEVICE
    • 爱德华·威廉·格里芬
    • EP2325451A1
    • 2011-05-25
    • EP09814449.6
    • 2009-08-31
    • Tokyo Roki Co., Ltd.
    • SHIMIZU, Masaki
    • F01N3/24B01F5/00B04C3/00F01N3/08F01N3/36
    • F01N3/2892B01F3/04049B01F5/0473B01F5/0616B01F5/0618B01F2005/0626B01F2005/0639B04C2003/006F01N1/086F01N2240/20
    • An exhaust gas purifying device for an internal combustion engine, provided with a swirl generating means for generating a swirl which has a strong swirl force and applying reduced resistance to the swirl. A swirl generating device for generating a swirl which has a strong swirl force and applying reduced resistance to the swirl is also provided. An exhaust gas purifying device (100) for an internal combustion engine is provided with an exhaust pipe (1), a reduction catalyst (2), a reducing agent supply means (3), and a swirl generating means (40). The swirl generating means (40) has two blades (410, 420) formed by dividing a substantially elliptic plate into two in the direction of the major axis thereof. The two blades (410, 420) are integrated together such that the two blades are rotated relative to each other about the minor axis of the plate so as to cross each other, and the two blades are mounted such that the direction of the major axis is parallel to the direction of flow of exhaust gas.
    • 一种用于内燃机的废气净化装置,其具有涡流产生装置,用于产生具有较强旋涡力且对涡流降低的阻力的漩涡。 还提供了一种用于产生具有强旋流力并且对漩涡施加降低的阻力的涡流的涡流产生装置。 一种用于内燃机的废气净化装置(100)具有排气管(1),还原催化剂(2),还原剂供给装置(3)和涡流产生装置(40)。 涡旋产生装置(40)具有通过将基本上椭圆形板沿其长轴方向分成两部分而形成的两个叶片(410,420)。 两个叶片(410,420)集成在一起,使得两个叶片围绕板的短轴彼此相对旋转以便彼此交叉,并且两个叶片被安装成使得长轴方向 与排气的流动方向平行。