Methods and systems are provided for a variable compression ratio engine. In one example, an engine system may comprise: varying a compression ratio of a cylinder by selectively releasing combustion charge from the cylinder through a bleed valve on a cylinder head; and transforming the released combustion charge into usable electrical power at a turbine generator coupled downstream of the bleed valve. In this way, the compression ratio may be varied based on engine operating conditions to promote better engine performance and efficiency while producing electrical power from the charge gas bled from one or more cylinders in the engine.


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    Titel :

    VARIABLE COMPRESSION RATIO ENGINE


    Beteiligte:

    Erscheinungsdatum :

    2018-09-20


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / F01D Strömungsmaschinen [Kraft- und Arbeitsmaschinen oder Kraftmaschinen], z.B. Dampfturbinen , NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES / F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen / F02M Zuführen von Brennstoff-Luft-Gemischen oder deren Bestandteilen bei Brennkraftmaschinen allgemein , SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF / F02P IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES , Zündung von Brennkraftmaschinen mit innerer Verbrennung, ausgenommen Kompressionszündung



    Variable Compression Ratio Engine

    Mendler, Charles / Gravel, Roland | SAE Technical Papers | 2002


    Variable compression ratio engine

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    WICKS CHRISTOPHER DONALD | Europäisches Patentamt | 2018

    Freier Zugriff

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    Harne,V. / Marathe,S.R. | Kraftfahrwesen | 1989


    A Variable Compression Ratio Engine Development

    Lux, F. B. / Wallace, W. A. | SAE Technical Papers | 1964