METHOD AND APPARATUS FOR FUEL INJECTION INTO AN INTERNAL COMBUSTION ENGINE

A method and apparatus for injecting a gaseous fuel into a combustion chambe r of an internal combustion engine employs a combination of operating modes. First, one of a low load and a high load mode of operation is selected durin g the operation of the internal combustion engine. Low load and high...

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Bibliographische Detailangaben
Hauptverfasser:	TANIN, KONSTANTIN, ANCIMER, RICHARD
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF WEAPONS
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Beschreibung
Zusammenfassung:	A method and apparatus for injecting a gaseous fuel into a combustion chambe r of an internal combustion engine employs a combination of operating modes. First, one of a low load and a high load mode of operation is selected durin g the operation of the internal combustion engine. Low load and high load mode s are distinguished by the combustion characteristics of an amount of fumigate d fuel added to the combustion chamber. Fumigated fuel that supports combustio n will cause high load to be selected. Fumigated fuel that does not support combustion will cause low load to be selected. A directly injected amount of fuel is provided under low load. Under high load, a directly injected quanti ty of fuel can be added when the piston is near top dead center to allow the engine to meet load requirement above that provided by the fumigated fuel.