This paper describes the equipment and the operation of a system used to convert an EMD diesel locomotive engine to operate using natural gas as a major energy source. The retrofit system developed uses electronic controls, sensors and actuators to monitor system variables and perform the required control functions of the dual fuel locomotive engine. Among the required controls are gas injection timing and rate, the control of the diesel pilot level, turbocharger waste gate and a device that causes the engine to operate alternately on half of its cylinders during times of low specific power output. Along with the addition of controls, changes were made to the design of the pistons, cylinder heads and engine air cooling.


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    Title :

    A retrofit system to convert a locomotive to natural gas operation


    Additional title:

    Nachrüstsatz zur Umstellung von Dieselloks auf Erdgasbetrieb


    Contributors:


    Publication date :

    1994


    Size :

    5 Seiten, 3 Bilder, 4 Tabellen, 7 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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