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    • 1. 发明授权
    • Exhaust gas aftertreatment device for an internal combustion engine
    • 内燃机废气后处理装置
    • US07263824B2
    • 2007-09-04
    • US11003653
    • 2004-12-03
    • Steven M. BellingerThomas M. Yonushonis
    • Steven M. BellingerThomas M. Yonushonis
    • F01N3/00
    • F01N11/002F01N3/0231F01N3/0871F01N3/0878F01N13/009F01N13/017F01N2340/04Y02T10/47
    • An exhaust gas aftertreatment device for an internal combustion engine comprises an inlet configured to receive the exhaust gas, an outlet from which the exhaust gas exits the device, a first passageway defined between the inlet and the outlet, and a second passageway defined between the inlet and the outlet, wherein the second passageway is separate from the first passageway. A first aftertreatment element is disposed in the first passageway. In one embodiment, the device is a diesel oxidation catalyst device and the second passageway represents a bypass passageway. The second passageway may further have a second aftertreatment element disposed therein. In an alternative embodiment, the device is a NOx aftertreatment element, and a second aftertreatment element is disposed in the second passageway. In either case, the device includes an exhaust gas flow control mechanism configured to selectively control exhaust gas flow through the first and second passageways.
    • 用于内燃机的废气后处理装置包括:被配置为容纳排气的入口,排气从该出口排出的出口,限定在入口和出口之间的第一通道,以及限定在入口和出口之间的第二通道 和所述出口,其中所述第二通道与所述第一通道分离。 第一后处理元件设置在第一通道中。 在一个实施例中,该装置是柴油机氧化催化剂装置,第二通道代表旁路通道。 第二通道还可以具有设置在其中的第二后处理元件。 在替代实施例中,装置是NOx后处理元件,并且第二后处理元件设置在第二通道中。 在任一种情况下,该装置包括排气流量控制机构,其构造成选择性地控制通过第一和第二通道的废气流。
    • 6. 发明授权
    • System for controlling operation of an internal combustion engine
    • 用于控制内燃机运转的系统
    • US6135918A
    • 2000-10-24
    • US315722
    • 1999-05-20
    • Steven M. BellingerJohn V. Shutty
    • Steven M. BellingerJohn V. Shutty
    • B60W10/06B60W10/10F02D31/00F02D41/02F02D41/04F16H59/52B60T41/04B60T8/24
    • B60W10/06B60W10/04B60W10/10B60W10/11B60W30/1819B60W30/1882F02D31/009F02D41/023B60W2510/0638B60W2530/10B60W2550/142B60W2550/402B60W2710/0644B60W2720/10B60W2720/106F02D2200/1012F16H2061/0015F16H2061/022F16H59/52Y02T10/52Y02T10/76Y10T477/675Y10T477/68
    • A system for controlling operation of an internal combustion engine includes a control computer responsive to a number of engine/vehicle operating conditions to control engine operation to thereby control engine speed and engine or vehicle acceleration. In one embodiment, the control computer is configured to determine an engine or vehicle acceleration limit value based on current engine or vehicle speed, and an engine speed limit value based on current engine load, and to control engine fueling and/or speed to thereby limit engine speed to the engine speed limit value and/or engine/vehicle acceleration to the engine/vehicle acceleration limit value. In another embodiment, the control computer is configured to determine a pseudo-load value, which is preferably a vehicle mass value and/or road grade value estimated from current vehicle acceleration and engine fueling conditions, determine an engine speed limit value based on the pseudo-load value and current vehicle speed, and control engine speed and/or fueling to thereby limit engine speed to the pseudo-load-based engine speed limit value. In either case, the concepts of the present invention provide for increased fuel economy by limiting engine speed and/or acceleration during shifting, while providing for additional engine speed, and correspondingly higher engine power, when there exists a legitimate need therefore.
    • 用于控制内燃机的操作的系统包括响应于多个发动机/车辆操作条件以控制发动机操作从而控制发动机速度和发动机或车辆加速度的控制计算机。 在一个实施例中,控制计算机被配置为基于当前发动机或车辆速度确定发动机或车辆加速度极限值,以及基于当前发动机负载的发动机速度限制值,并且控制发动机加油和/或速度从而限制 发动机速度与发动机转速极限值和/或发动机/车辆加速度相对于发动机/车辆加速度极限值。 在另一个实施例中,控制计算机被配置为确定伪载荷值,其优选地是根据当前车辆加速度和发动机加油条件估计的车辆质量值和/或道路坡度值,基于伪距离确定发动机速度极限值 负载值和当前车速,以及控制发动机转速和/或加油,从而将发动机转速限制到基于伪负载的发动机转速极限值。 在任何一种情况下,本发明的概念通过限制发动机转速和/或在换档期间的加速度而提供燃料经济性,同时在提供另外的发动机转速以及相应地较高的发动机功率的情况下,当存在合法需要时。