The Texaco Ignition System (TTIS) is a high frequency system with a bi-directional spark current, the duration of which is a function of crankshaft rotation rather than time. The spark current characteristics differ drastically from those of conventional discharge systems and, as a result, current flow through the plug gap can be maintained under extremely turbulent conditions. Being essentially a constant current device, it prevents excessive plug current flow during initial gap ionization, providing a good plug life; yet it has high average current to increase fuel ignition probability.The system, developed primarily for use with stratified charge engines, has also been shown to have characteristics which improve the performance of premixed charge engines operated under severe conditions, in order to reduce exhaust emissions, improve driveability and increase fuel economy.TTIS is of solid state design, and both the spark timing and spark duration are controlled by use of digital logic circuitry.


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    Title :

    The Texaco Ignition System-A New Concept for Automotive Engines


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    1975 Automotive Engineering Congress and Exposition ; 1975



    Publication date :

    1975-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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