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    • 1. 发明授权
    • EGR cooler cleaning system and method
    • EGR冷却器清洗系统及方法
    • US08375713B2
    • 2013-02-19
    • US12631068
    • 2009-12-04
    • Steve RyanLuis Carlos Cattani
    • Steve RyanLuis Carlos Cattani
    • F02B33/44
    • F02M26/04F02B37/00F02M26/33
    • A method for dislodging exhaust gas deposits from an exhaust gas recirculation (EGR) cooler (26) associated with an engine includes the steps of providing at least one on-board gas source (S) for providing a gas (G) at a superatmospheric pressure, and placing the EGR cooler in fluid communication with the gas source through a supply conduit (44, 144). The supply conduit (44, 144) includes at least one valve (V) that is selectively operable to a closed condition closing the supply conduit and to an open position opening the supply conduit. The method also includes the step of operating the at least one valve (V) from the closed condition to the open condition to allow the superatmospheric gas (G) to flow through the supply conduit (44, 144) to the EGR cooler (26).
    • 从与发动机相关联的废气再循环(EGR)冷却器(26)中排出废气沉积物的方法包括以下步骤:提供至少一个用于提供高于大气压力的气体(G)的机载气体源(S) ,并且将所述EGR冷却器通过供应管道(44,144)与所述气体源流体连通。 供应管道(44,144)包括至少一个阀(V),其可选择性地操作成关闭供应管道的关闭状态和打开供应管道的打开位置。 该方法还包括将至少一个阀(V)从关闭状态操作到打开状态以允许超大气压气体(G)通过供应管道(44,144)流到EGR冷却器(26)的步骤, 。
    • 2. 发明申请
    • EGR COOLER CLEANING SYSTEM AND METHOD
    • EGR冷却器清洁系统和方法
    • US20110131979A1
    • 2011-06-09
    • US12631068
    • 2009-12-04
    • Steve RyanLuis Carlos Cattani
    • Steve RyanLuis Carlos Cattani
    • F02B33/44F02M25/07
    • F02M26/04F02B37/00F02M26/33
    • A method for dislodging exhaust gas deposits from an exhaust gas recirculation (EGR) cooler (26) associated with an engine includes the steps of providing at least one on-board gas source (S) for providing a gas (G) at a superatmospheric pressure, and placing the EGR cooler in fluid communication with the gas source through a supply conduit (44, 144). The supply conduit (44, 144) includes at least one valve (V) that is selectively operable to a closed condition closing the supply conduit and to an open position opening the supply conduit. The method also includes the step of operating the at least one valve (V) from the closed condition to the open condition to allow the superatmospheric gas (G) to flow through the supply conduit (44, 144) to the EGR cooler (26).
    • 从与发动机相关联的废气再循环(EGR)冷却器(26)中排出废气沉积物的方法包括以下步骤:提供至少一个用于提供高于大气压力的气体(G)的机载气体源(S) ,并且将所述EGR冷却器通过供应管道(44,144)与所述气体源流体连通。 供应管道(44,144)包括至少一个阀(V),其可选择性地操作成关闭供应管道的关闭状态和打开供应管道的打开位置。 该方法还包括将至少一个阀(V)从关闭状态操作到打开状态以允许超大气压气体(G)通过供应管道(44,144)流到EGR冷却器(26)的步骤, 。