A prototype sonic, variable-venturi automotive carburetor was evaluated for its effects on vehicle performance, fuel economy, and exhaust emissions. A 350 CID Chevrolet Impala vehicle was tested on a chassis dynamometer over the 1975 Federal Test Procedure, urban driving cycle. The Micro-carburetor was tested and compared with stock and modified-stock engine configurations. Subsequently, the test vehicle's performance characteristics were examined with the stock carburetor and again with the Micro-carburetor in a series of on-road driveability tests. The test engine was then removed from the vehicle and installed on an engine dynamometer. Engine tests were conducted to compare the fuel economy, thermal efficiency, and cylinder-to-cylinder mixture distribution of the Micro-carburetor to that of the stock configuration. Test results show increases in thermal efficiency and improvements in fuel economy at all test conditions. Improve fuel/air mixture preparation is implied from the information presented. Further improvements in fuel economy and exhaust emissions are possible through a detailed recalibration of the Micro-carburetor.


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    Titel :

    Evaluation of the Micro-Carburetor


    Beteiligte:
    M. F. Weiss (Autor:in) / R. A. Hall (Autor:in) / S. D. Mazor (Autor:in)

    Erscheinungsdatum :

    1981


    Format / Umfang :

    83 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




    Evaluation of the micro-carburetor

    Weiss, M. F. / Hall, R. A. / Mazor, S. D. | NTRS | 1981


    Evaluation of the Micro-Carburetor

    M. F. Weiss / R. A. Hall / S. D. Mazor | NTIS | 1981


    CARBURETOR

    TARTER, H. G. | SAE Technical Papers | 1949


    Plastic carburetor

    PCI Pollution Control Industries,Tulare,US | Kraftfahrwesen | 1982


    Tuning carburetor

    Barlow, M.G. / Churchill, W.W. | Engineering Index Backfile | 1937