Device for controlling an ignition timing for an internal combustion engine
AssigneeMitsubishi Denki Kabushiki Kaisha
InventorSinji Kojima
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Abstract
A device for controlling an ignition timing for an internal combustion engine comprising an intake quantity sensor for detecting an intake quantity of an engine; a revolution number sensor for detecting a revolution number of the engine; an ignition timing controlling means for controlling an ignition timing of the engine based on the intake quantity and the revolution number of the engine; a fuel property sensor for detecting fuel property; such as its temperature and whether it is regular or premium gasoline and an ignition timing correcting means for correcting the ignition timing based on the fuel property.
Claims3
A device for controlling an ignition timing for an internal combustion engine comprising:
- an intake quantity sensor for detecting an intake quantity of an engine;
- a revolution number sensor for detecting a revolution number of the engine;
- an ignition timing controlling means for controlling an ignition timing of the engine based on the intake quantity and the revolution number of the engine;
- a fuel property sensor for detecting a fuel property;
- and
- an ignition timing correcting means for correcting the ignition timing based on the detected fuel property,
- wherein an output value of the detected fuel property based on the fuel property sensor is corrected in accordance with a difference between a fuel temperature which is detected when the fuel property is detected and a standard fuel temperature.
A fuel property sensor disposed at a fuel pipe of an internal combustion engine and connected to an ignition timing correcting means comprising:
- a prism immersed in a fuel in the fuel pipe;
- a light emitting element for emitting light to the prism;
- a reflecting element for reflecting the light emitted from the light emitting element which passes through the prism;
- and
- a position sensing element on which the light reflected by the reflecting element is converged in accordance with refraction thereof in the prism.
Dependencies are inferred from the claim text.