The novelty is involved in the development of special EMS (Engine Management System) which uses additional package of dwell time intervention for the purpose of Ignition Coil Open circuit diagnosis. This novelty has been developed in order to carry forward common Engine ECU hardware for one of ...
First, the PTG sends the charging signal to the Hameg HM8139 function generator, which transmits a transistor-transistor logic signal (TTL signal) with the length of the dwell time to the ignition coil. This charging signal is also used as trigger signal for the oscilloscope. A second time-...
Air-fuel ratio calculation – lean and rich mixtures. Combustion in SI & CI Engines – abnormal combustion – phenomenon and control. Ignition, lubrication and cooling systems. Exhaust gas analysis. Performance calculations. UNIT V GAS TURBINES 9 Open and closed Gas turbine cycle analysis - ...
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If a gasoline mode is selected, an original ignition timing control pulse is transmitted to the primary ignition coil regardless of the temperature of the cooling water. When the ignition timing control pulse is changed, a current dwell time of the ignition timing control pulse is shortened. By...
Intermittent cleaning is accomplished during engine operation by periodically raising the ignition coil dwell time to an exaggerated cleaning level for a relatively short period of time (e.g. one minute) after it is determined the spark plug cleaning should occur (e.g. 10 to 20 engine operating...