Engine for vehicle using alternative fuels
AssigneeSem AB
InventorsJõrgen Bengtsson, Lars-Åke Andersson, Bert Gustafsson
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Abstract
This invention relates to an engine for a vehicle using alternative fuel, preferably gas, comprising an engine (5) having a spark ignited ignition system (2) wherein said ignition system (2) includes misfire detection by means of a sensor device (4) providing information to a control system (20), connected to or within said ignition system (2), and wherein said combustion includes diluted operation to optimize emissions wherein said sensor device (4) includes an ion sensing measurement means (40) arranged to measure an ion current in said engine (5) and that said ignition system (2) has a built-in function to detect misfiring through an analysis of the ion current of the engine (5) during combustion.
Claims14
-10. (canceled)
An engine for a utility vehicle using alternative fuel comprising:
- an engine having an engine management system including an ignition control system enabling misfire detection by a sensor device providing information to a control system, and wherein the engine is configured to control diluted operation, wherein the sensor device includes an ion sensing measurement device configured to measure an ion current in said engine and the ignition control system is configured to detect misfiring through an analysis of an ion current of the engine during combustion.
Dependencies are inferred from the claim text.