Parallel hydraulic hybrids are a valuable green technology with an attractive risk/reward ratio extending into severe duty applications. The power density advantage of hydraulics enables a more effective brake energy recovery over competing electric hybrids. Hydraulic hybrids can return up to 70% of energy normally lost in braking in the form of heat. Parallel hydraulic hybrids can improve fuel economy of refuse trucks by up to 30 % and reduce emissions by 20 % based on duty cycle. This improvement offers a significant fuel savings across the active global refuse fleet, specifically, in the United States, where gross vehicle weights can exceed 27 tonnes [30 tons]. Low fuel economy and high yearly fuel consumption make refuse vehicles ideal candidates for hybridization. Parallel hydraulic hybrid systems supplement a vehicle's drive train while a series system replaces it. Although a series hybrid has the potential for additional fuel savings through engine management, a parallel hybrid can improve vehicle acceleration, retrofit to existing trucks, and reduce end user risks of vehicle down time. Severe duty applications, such as refuse trucks, will experience benefits in fuel consumption, emissions reduction, reduced maintenance expenses and improved performance from the commercialization of parallel hydraulic hybrids.


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    Titel :

    Advantages of parallel hydraulic hybrid systems


    Weitere Titelangaben:

    Vorteile eines parallel hydraulisch/hybriden Systems


    Beteiligte:
    Duray, Vincent (Autor:in) / Arneson, Chris (Autor:in) / Isaacs, Robert (Autor:in) / Stoner, Michael (Autor:in)


    Erscheinungsdatum :

    2010


    Format / Umfang :

    12 Seiten, 10 Bilder, 1 Quelle



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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