A variable, positive displacement supercharger, (VPDS™) is being developed for Diesel and spark ignition engines. Benefits include reduced emissions, improved fuel economy and low speed torque improvements.Three US Patents have been issued on the concept, which is based on radially arranged rectangular pistons with pressure compensated seals. Displacement is varied by adjusting the eccentricity of the piston drive under control of engine electronics.Design pressure can be delivered at all operating speeds while power consumption is proportional to air mass and pressure delivery. Overall Compressor efficiencies of 85% have been demonstrated, making the VPDS™ the highest efficiency supercharger known.


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    Titel :

    Introducing a High Efficiency Variable Positive Displacement Automotive Supercharger


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    International Congress & Exposition ; 1994



    Erscheinungsdatum :

    01.03.1994




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Introducing a High Efficiency Variable Positive Displacement Automotive Supercharger

    Milburn, S. M. / SAE | British Library Conference Proceedings | 1994



    THE POSITIVE-DISPLACEMENT SUPERCHARGER

    RYDE, JOHN L. | SAE Technical Papers | 1942


    Simulation of a Positive Displacement Supercharger

    Sorenson,S.C. / Univ.of Illinois,US | Kraftfahrwesen | 1984


    Simulation of a Positive Displacement Supercharger

    Sorenson, S. C. | SAE Technical Papers | 1984