A direct acting free piston internal combustion engine/hydrostatic pump is analyzed. This device would take the place of a conventional engine-driven hydrostatic pump, and would be expected to offer significant advantages in cost, weight, and efficiency. The free piston configuration eliminates the need for a crankshaft-connecting rod system, and the comparable mechanism of the pump that converts rotary to reciprocating motion. Analysis of the design was done by computer simulation using a thermodynamic model of the combustion cylinder in combination with the system dynamics. A parametric study was performed to determine operating characteristics with a wide variety of mechanical parameters, and as a guide to developing a preliminary design. The results show that good performance is possible with reasonable mechanical dimensions and other parameters. Several different design configurations are presented.


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    Titel :

    Design Feasibility of a Free Piston Internal Combustion Engine/Hydraulic Pump


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    SAE International Congress and Exposition ; 1988



    Erscheinungsdatum :

    1988-02-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Design feasibility of a free piston internal combustion engine/hydraulic pump

    Li,L.J. / Beachley,N.H. / Univ.of Wisconsin,US | Kraftfahrwesen | 1988





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