This paper describes an approach to improve the fuel economy of given cars with the aid of turbocharged SI engines of relatively small displacement, 1.6-l 4-cylinder and 2.2-l 5-cylinder configurations, to replace bigger, NA engines of the same power potential.This approach uses an engine turbocharger system which consists of a low-flow turbocharger in order to realize a given peak performance goal with good power characteristics over the entire engine-speed range. The boost pressure is controlled by a wastegate. The air/fuel mixture is prepared by a two-stage carburetor at the intake side of the TC compressor. The oxygen concentration in the exhaust gas is measured by an oxygen sensor upstream from a three-way catalyst.


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    Titel :

    Turbocharging Small Displacement Spark Ignition Engines for Improved Fuel Economy


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Hagemann, G. (Autor:in) / Emmenthal, K. -D. (Autor:in) / Hucho, W. -H. (Autor:in)

    Kongress:

    1979 Automotive Engineering Congress and Exposition ; 1979



    Erscheinungsdatum :

    01.02.1979




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Turbocharging Small Displacement Spark Ignition Engine for Improved Fuel Economy

    Emmenthal,K.D. / Hagemann,H. / Hucho,W.H. et al. | Kraftfahrwesen | 1979




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