FUEL PROPERTY DETECTING DEVICE OF INTERNAL COMBUSTION ENGINE

PROBLEM TO BE SOLVED: To improve the accuracy in detecting the fuel property by providing remarkable change of the combustion condition in the detection. SOLUTION: After an internal combustion engine EG is started (step S12), a compressor of an air conditioner which is an auxiliary machine is switch...

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Bibliographische Detailangaben
1. Verfasser:	OGITA TAMOTSU
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LIGHTING MEASURING MECHANICAL ENGINEERING PHYSICS TESTING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To improve the accuracy in detecting the fuel property by providing remarkable change of the combustion condition in the detection. SOLUTION: After an internal combustion engine EG is started (step S12), a compressor of an air conditioner which is an auxiliary machine is switched from the OFF condition to the ON condition (step S150) to give the load fluctuation to the internal combustion engine, to increase the volume of the sucked air, and increase the fuel injection. The change NE in the engine speed of the internal combustion engine EG before and after the compressor is turned ON (step S170), and the fuel property is determined (S180-Ss196) according to the magnitude of ΔNE. Because the fuel injection can be increased by turning on the compressor, the change in the speed of the internal combustion engine according to the fuel property to facilitate the judgment of the fuel property.