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    • 3. 发明申请
    • Exhaust control system for an internal combustion engine
    • 内燃机排气控制系统
    • US20080148714A1
    • 2008-06-26
    • US12002244
    • 2007-12-12
    • Nobuhiro KomatsuNorio Suzuki
    • Nobuhiro KomatsuNorio Suzuki
    • F01N9/00
    • F02D41/028F01N3/0814F01N13/009F02D41/0235F02D41/405F02D2041/0265F02D2200/0802
    • An exhaust control system for an internal combustion engine provided with an exhaust gas processing device and a NOx purifying catalyst which are arranged in series in an exhaust system, comprises: a first temperature detector for detecting a temperature of the exhaust gas processing device; a second temperature detector for detecting a temperature of the NOx purifying catalyst; a control means for controlling an exhaust temperature to conduct a regeneration process for removing sulfur contents trapped by the NOx purifying catalyst; and a control mode selection means for selecting one of a plurality of exhaust temperature control modes according to a relationship between an output from the first temperature detector and an output from the second temperature detector, wherein the control means conducts exhaust temperature control according to the control mode selected by the control mode selection means.
    • 一种内燃机的排气控制系统,具有排气系统中串联配置的排气处理装置和NOx净化催化剂,具备:检测废气处理装置的温度的第一温度检测器; 用于检测NOx净化催化剂的温度的第二温度检测器; 用于控制排气温度以进行用于除去由所述NOx净化催化剂捕获的硫含量的再生处理的控制装置; 以及控制模式选择装置,用于根据来自第一温度检测器的输出和来自第二温度检测器的输出之间的关系来选择多个排气温度控制模式中的一个,其中控制装置根据控制进行排气温度控制 模式由控制模式选择装置选择。
    • 5. 发明授权
    • Exhaust emission control device and method for internal combustion engine and engine control unit
    • 用于内燃机和发动机控制单元的废气排放控制装置和方法
    • US07900440B2
    • 2011-03-08
    • US12072632
    • 2008-02-27
    • Nobuhiro KomatsuNorio Suzuki
    • Nobuhiro KomatsuNorio Suzuki
    • F01N3/00
    • F02D41/028F02D41/0007F02D41/025F02D41/401F02D2200/0802Y02T10/26Y02T10/44
    • An exhaust emission control device for an internal combustion engine, which is capable of completing a regeneration operation in a short time period, thereby making it possible to ensure excellent fuel economy. The exhaust emission control device includes a NOx catalyst, an ECU, and a NOx catalyst temperature sensor. The ECU sets a control parameter for controlling the operation of the engine to first to third predetermined values. The ECU selects the first predetermined value when the temperature of the NOx catalyst detected by the NOx catalyst temperature sensor is within a target temperature range, and selects the second predetermined value when the detected temperature of the NOx catalyst is lower than the target temperature range. Further, the ECU selects the third predetermined values when the detected temperature of the NOx catalyst is higher than the target temperature range.
    • 一种用于内燃机的废气排放控制装置,其能够在短时间内完成再生操作,从而可以确保优异的燃料经济性。 废气排放控制装置包括NOx催化剂,ECU和NOx催化剂温度传感器。 ECU将用于控制发动机的运转的控制参数设定为第一至第三预定值。 当由NOx催化剂温度传感器检测的NOx催化剂的温度在目标温度范围内时,ECU选择第一预定值,并且当NOx催化剂的检测温度低于目标温度范围时,选择第二预定值。 此外,当检测到的NOx催化剂的温度高于目标温度范围时,ECU选择第三预定值。