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首页> 外国专利> DIESEL-CNG / LPG DUAL FUEL SYSTEM SUITABLE FOR AUTOMOTIVE APPLICATION, FOR DIESEL ENGINES WITH MECHANICAL FUEL PUMP AND CNG SYSTEM WITH MIXER TECHNOLOGY

DIESEL-CNG / LPG DUAL FUEL SYSTEM SUITABLE FOR AUTOMOTIVE APPLICATION, FOR DIESEL ENGINES WITH MECHANICAL FUEL PUMP AND CNG SYSTEM WITH MIXER TECHNOLOGY

机译：柴油-CNG / LPG双燃料系统，适用于汽车应用，适用于带有机械燃料泵的柴油发动机和采用混合器技术的CNG系统

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The present invention is the development of a diesel-CNG dual fuel system for automotive applications, primarily for retro fitment purpose, for diesel engines with mechanical fuel pump and with the use of open loop (carbureted) CNG system. The mechanical accelerator pedal in the vehicle is replaced with an electronic accelerator pedal and the fuel lever position of the fuel pump is controlled with a linear / rotary electronic actuator. CNG is introduced in the intake air path so that the charge i.e.; CNG-air mixture is fed to the engine through the intake valve; no separate CNG injectors are used for CNG introduction. Hence, the engine can operate in dual-fuel mode or dedicated diesel mode which offers the flexibility of increased range particularly when CNG is not available. Following invention is described in detail with the help of FIGURE 1 of sheet 1 shows schematic arrangement of a dual fuel system in accordance with an embodiment of the present invention and FIGURE 2 of sheet 2 illustrates a schematic representation of an electronic control unit (ECU) of the engine.
机译：本发明是用于汽车应用的柴油-CNG双燃料系统的开发，主要用于改装目的，用于具有机械燃料泵并且使用开环（化油）CNG系统的柴油发动机。车辆中的机械油门踏板由电子油门踏板代替，燃油泵的燃油杆位置由线性/旋转电子致动器控制。将CNG引入进气路径，以便充入气体; CNG-空气混合物通过进气门被送至发动机;没有单独的CNG注射器用于引入CNG。因此，发动机可以在双燃料模式或专用柴油模式下运行，这提供了更大范围的灵活性，尤其是在没有CNG时。借助于薄板1的图1详细描述以下发明，示出了根据本发明实施例的双燃料系统的示意性布置，并且薄板2的图2示出了电子控制单元（ECU）的示意性表示。的引擎。

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