To achieve the future emissions regulations with low particulate and NOx levels, both the engine combustion system and the fuel injection equipment will have to be improved. For the fuel injection equipment, high injection pressure and variable injection timing as a function of engine speed, load, and temperature are of great importance. BOSCH is developing two different solutions: electronically controlled unit injector and single cylinder pump systems, high-pressure inline pumps with control sleeve and electronic control. This paper describes: the unit injector and its high-pressure solenoid valve, the requirements for the mounting of the unit injector in the engine, the low-pressure system, the electronic control unit and the metering strategy.


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    Titel :

    Electronically controlled high pressure unit injector system for diesel engines


    Weitere Titelangaben:

    Elektronisch gesteuerte Hochdruckeinspritzsystem-Einheit für Dieselmotoren


    Beteiligte:
    Lauvin, P. (Autor:in) / Löffler, A. (Autor:in) / Schmitt, A. (Autor:in) / Zimmermann, W. (Autor:in) / Fuchs, W. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1991


    Format / Umfang :

    13 Seiten, 21 Bilder, 7 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Electronically Controlled High Pressure Unit Injector System for Diesel Engines

    Löffler, Alf / Schmitt, Alfred / Lauvin, Pierre et al. | SAE Technical Papers | 1991


    Electronically controlled high pressure unit injector system for diesel engines

    Lauvin,P. / Loeffler,A. / Schmitt,A. et al. | Kraftfahrwesen | 1991




    Multi Sensing Fuel Injector for Electronically Controlled Diesel Engines

    Estefanous, Fadi / Henein, Naeim | SAE Technical Papers | 2011