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    • 3. 发明公开
    • EXHAUST-GAS PURIFICATION DEVICE
    • 排气净化装置
    • EP3056704A1
    • 2016-08-17
    • EP14852164.4
    • 2014-10-07
    • Yanmar Co., Ltd.
    • FUKUI, YoshinoriNISHIURA, FumihiroUCHIDA, MiwaYOKOYAMA, TetsuyaTAKAHATA, Yasuyuki
    • F01N3/24F01N3/08F01N3/20
    • F01N3/2066B01F3/04021B01F5/0451B01F5/0616B01F2005/0637F01N3/2892F01N13/087F01N2240/20F01N2240/36F01N2410/00F01N2590/02F01N2610/02F01N2610/1453F01N2900/12F02D2200/701Y02T10/24
    • An object is to provide an exhaust-gas purification device that is capable of uniformly mixing exhaust gas and a reduction agent together without being affected by the routing of an exhaust pipe of an internal combustion engine. An exhaust-gas purification device (1) includes an urea water injection nozzle (2) that is provided inside an exhaust pipe (14) and a catalyst reactor (12) that is provided on a downstream side of the urea water injection nozzle, and is configured to inject urea water from the urea water injection nozzle (2) into exhaust gas of an engine (18) and to reduce nitrogen oxide in the exhaust gas by a NOx catalyst (13) contained in the catalyst reactor (12), where the urea water injection nozzle is disposed in such a way as to inject the urea water from the axial center of the exhaust pipe toward the downstream side of the flow direction of the exhaust gas, and a mixer (11) is connected to an upstream end of the catalyst reactor, the mixer having a plurality of plate members (11b) radially disposed around the axial center of the exhaust pipe, the plate members each being formed in such a way that angles of plate surfaces (A, B) of the plate member to the flow direction of the exhaust gas are different values on the upstream side and the downstream side.
    • 本发明的目的是提供一种排气净化装置,该排气净化装置能够将排气和还原剂均匀混合在一起而不受内燃机的排气管路径的影响。 本发明的排气净化装置(1)具有设置在排气管(14)的内部的尿素水喷射喷嘴(2)和设置在该尿素水喷射喷嘴的下游侧的催化剂反应器(12), 构造成从尿素水喷嘴(2)将尿素水喷射到发动机(18)的排气中并且通过包含在催化剂反应器(12)中的NOx催化剂(13)来减少排气中的氮氧化物,其中 将尿素水从排气管的轴心朝向排气的流动方向的下游侧喷射,并且将混合器(11)连接到上游端 ,所述混合器具有多个围绕所述排气管的轴向中心径向设置的板构件(11b),所述板构件中的每一个以所述板的板表面(A,B)的角度 成员到废气的流动方向 上游侧和下游侧的值不同。
    • 9. 发明公开
    • Pressure fluid control valve device
    • Durchflussregelventil
    • EP0702175A1
    • 1996-03-20
    • EP94402069.2
    • 1994-09-16
    • FUJI OOZX INC.
    • Ohtsubo, Kizuku
    • F16K11/052F16K1/22F02D9/04F01N7/08F02B27/06
    • F01N13/087F02B27/06F02D9/04F16K1/223F16K11/0525Y02T10/146
    • In a pressure fluid control valve device, the fluid exhausted from an internal combustion engine flows through a pair of paths selectively or simultaneously.Each of the paths is opened and closed by a butterfly valve (12,13) fixed to a valve shaft. A coupling for connecting the valve shafts across the paths comprises a slitting recess (9a) and a projection (10a) provided at the opposing ends of the valve shafts respectively. The direction of the surface of the recess and the projection is set to within 30 degrees with respect to the direction of the surface of the valve disc fixed to the valve shaft having the recess. Thus, the corner of the recess is not engaged with the bearing surface which is loaded, thereby making axial length for connecting the valve shafts to zero to manufacture the light and compact device.
    • 在压力流体控制阀装置中,从内燃机排出的流体选择地或同时地流过一对路径。每个路径由固定在阀轴上的蝶阀(12,13)打开和关闭。 用于连接跨越路径的阀轴的联接器包括分别设置在阀轴的相对端处的切割凹部(9a)和突起(10a)。 凹部和突起的表面的方向相对于固定到具有凹部的阀轴的阀盘的表面的方向设定在30度以内。 因此,凹部的角部不与被加载的轴承面接合,从而使用于将阀轴连接到零的轴向长度来制造轻型和紧凑型装置。