Over the last few years, a new and cost-effective pneumatic regenerative engine braking (RegenEBD) concept has been researched and developed in order to improve the fuel economy of inner city buses. The RegenEBD concept is realised by swapping a standard engine braking device from the exhaust side to the intake side and implementing a proprietary one-way intake design. The engine is operated as a compressor during the vehicle deceleration through the action of RegenEBD so that the vehicle's kinetic energy can be converted into pneumatic energy in the form of compressed air. Regenerative stop-start can then be realised through the use of a standard air starter motor. In this paper, the prototype RegenEBD engine and bus are first presented. This is followed by a discussion on the engine testing results and preliminary bus driving tests. Experimental results show that the fuel economy can be improved by 5-10 % for inner city buses, and there is potential for improved vehicle performance through instant boost by the regeneratively produced compressed air.


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    Titel :

    Improvement of Fuel Economy and Vehicle Performance Through Pneumatic Regenerative Engine Braking Device (Reneged)


    Beteiligte:
    Zhang, Yan (Autor:in) / Lee, Choyu (Autor:in) / Zhao, Hua (Autor:in) / Ma, Tom (Autor:in) / Feng, Jing (Autor:in) / Lin, Zhiqiang (Autor:in) / Shen, Jie (Autor:in)


    Erscheinungsdatum :

    2012


    Format / Umfang :

    12 Seiten





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch