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    • 4. 发明申请
    • METHOD FOR CONTROLLING AN EXHAUST GAS RECIRCULATION APPARATUS FOR HEAVY CONSTRUCTION EQUIPMENT
    • 控制重型建筑设备排气回收装置的方法
    • US20130298525A1
    • 2013-11-14
    • US13981184
    • 2011-11-10
    • Ji Hoon LimMin Seok Ko
    • Ji Hoon LimMin Seok Ko
    • F02B47/08
    • F02B47/08F02D41/005F02D2200/101F02D2200/501F02M26/05F02M26/06F02M26/07Y02T10/47
    • A method for controlling an exhaust gas recirculation apparatus for heavy construction equipment of the present invention, which includes: an engine; a turbocharger which rotates a turbine by using exhaust gas discharged from the engine, and compresses air, which is supplied to the engine, by a compressor connected to the turbine through a connecting shaft; an intercooler which cools compressed air flowing into the engine; a high-pressure EGR line which is provided with a high-pressure EGR cooler and a high-pressure EGR valve, and does not pass through the turbocharger; a hybrid EGR line which is provided with a hybrid EGR valve and a hybrid EGR cooler, and does not pass through the turbine of the turbocharger but passes only through the compressor; and a low-pressure EGR line which is provided with a low-pressure EGR valve and a low-pressure EGR cooler, and passes through the turbocharger, includes a mechanical control step in which an engine control unit (ECU), which receives a low-load request signal from a driver, or driving and idle signals, opens the hybrid EGR valve 151 of the hybrid EGR line 150 such that mechanical control and electronic control are performed in harmony for optimized control.
    • 一种用于控制本发明的重型施工设备的排气再循环装置的方法,包括:发动机; 涡轮增压器,其通过使用从发动机排出的排气旋转涡轮,并且通过连接轴与连接到涡轮的压缩机压缩供给到发动机的空气; 冷却器,其冷却流入发动机的压缩空气; 设有高压EGR冷却器和高压EGR阀的高压EGR管,不通过涡轮增压器; 混合EGR线路,其配备有混合式EGR阀和混合式EGR冷却器,并且不通过涡轮增压器的涡轮,而仅通过压缩机; 并且设置有低压EGR阀和低压EGR冷却器并通过涡轮增压器的低压EGR管线包括机械控制步骤,其中,接收低压EGR阀和低压EGR冷却器的发动机控制单元 来自驾驶员的加载请求信号或驱动和空闲信号打开混合式EGR管线150的混合EGR阀151,使得机械控制和电子控制协调进行优化的控制。