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    • 3. 发明申请
    • DIESEL EXHAUST SOOT SENSOR SYSTEM AND METHOD
    • 柴油机排气传感器系统及方法
    • WO2009145972A1
    • 2009-12-03
    • PCT/US2009/037747
    • 2009-03-20
    • WOODWARD GOVERNOR COMPANYGENDRON, Thomas, A.VAN DYNE, Ed
    • GENDRON, Thomas, A.VAN DYNE, Ed
    • F01N3/025F01N9/00F01N3/023F01N3/38
    • F01N3/025F01N2570/10
    • Systems and methods to determine when regeneration of a diesel particulate filter (DPF) are presented. Such determination is made by indirectly determining soot accumulation in the DPF by monitoring soot accumulation on a regeneration burner spark plug based on the correlation between spark plug fouling and DPF soot loading. An ion current sensing circuit is used during periods of no flame to determine soot loading on the spark plug. When soot loading on the spark plug approaches an amount that could cause fouling of the spark plug, the ignition controller initiates a hot spark to burn the soot off the spark plug. The number of such cleaning events is tracked and used to determine when the DPF soot loading is at a level that regeneration should be initiated. Temperature rise across the DPF is monitored and used to adjust the number spark plug cleaning events needed before initiating regeneration.
    • 确定柴油机微粒过滤器(DPF)再生时的系统和方法。 通过基于火花塞污垢和DPF烟灰负载之间的相关性监测再生燃烧器火花塞上的烟灰积累来间接地确定DPF中的烟灰积聚。 在没有火焰的时期使用离子电流检测电路来确定火花塞上的烟灰负荷。 当火花塞上的烟灰装载量接近可能导致火花塞结垢的量时,点火控制器启动热火花以将烟灰从火花塞上燃烧。 跟踪并使用这种清洁事件的数量来确定DPF烟灰负载何时处于应该启动再生的水平。 监控DPF上的温度上升,并用于调整启动再生前所需的火花塞清洁事件数。
    • 6. 发明申请
    • SILENCER FOR THE EXHAUST NOISE IN AN INTERNAL COMBUSTION ENGINE
    • 消声器防止内部燃烧发动机的排气噪音
    • WO00005488A3
    • 2000-04-27
    • PCT/RU1999/000212
    • 1999-06-25
    • F01N1/12F01N1/08F01N3/037F01N3/06F01N3/38
    • F01N3/38F01N1/087F01N3/037F01N3/06Y02T10/20
    • The present invention pertains to the field of engine construction and relates to a silencer having a body that comprises a tangential inlet tube as well as an outlet tube. At least two housings are mounted coaxially in the body and define together with the latter, in a direction extending from the axis towards said body, an intermediate inlet chamber as well as an outlet chamber. The cavities of said chambers are serially connected together through openings formed in the housings. The cavity of the tangential inlet tube is connected to the cavity of the inlet chamber, while the cavity of the outlet chamber is connected to the cavity of the outlet tube. This invention is characterised in that the body is made in the shape of a coil having its outlet rigidly connected to the tangentially-mounted outlet tube. The housings are defined by a plurality of tangential guiding vanes between which wedge-shaped openings having a reduced section are provided and lead to the gas inlet. The vanes in the housings are inclined in opposite directions. In the first housing from the axis, the vanes are inclined in a direction that corresponds to the rotation direction of the in-coming gas from the tangential inlet tube. This system is used for reducing the aerodynamic resistance as well as the amount of labour during the manufacturing process while improving the ecological characteristics of the silencer.
    • 涉及发动机结构的本发明涉及一种消音器,其消音器本体包括切向入口管和出口管。 至少两个外壳同轴地安装在主体中并且沿着从轴线到所述主体的方向限定中间入口腔室和出口腔室。 这些腔室的空腔通过外壳中的开口串联连接。 切向入口管的空腔连接到入口腔的空腔,而出口腔的空腔连接到出口管的空腔。 本发明的特征在于,主体呈螺旋形,其输出刚性地连接到切向安装的输出管。 外壳由切向导向叶片形成,在切向导向叶片之间具有通向气体入口的小截面的开口,并且其形状为梯形。 扬声器中的叶片倾斜方向相反。 在离开轴线的第一室中,叶片沿与来自切向入口管的进入气体的旋转方向相对应的方向倾斜。 该系统减少了制造过程中的空气动力学限制和工作量,同时提高了消音器的生态质量。