FUEL INJECTION CONTROL DEVICE FOR ENGINE

PROBLEM TO BE SOLVED: To compatibly establish control of fuel injection in two conditions of rise of engine speed due to request for re-acceleration from a driver and a rise of engine speed due to influence of resonance when fuel cut is performed at a time of resonance between a heavy member and an...

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Bibliographische Detailangaben
Hauptverfasser:	TOYOKAWA SHOICHI, TASHIRO YUJI, TANIMURA KENJI, HIROSE MICHIYUKI, UESUGI YASUNORI, ISHIBASHI HIROYUKI, NAKAJIMA HIROYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To compatibly establish control of fuel injection in two conditions of rise of engine speed due to request for re-acceleration from a driver and a rise of engine speed due to influence of resonance when fuel cut is performed at a time of resonance between a heavy member and an engine main body in a fuel injection control device for an engine performing fuel cut when engine speed becomes smaller then predetermined speed. SOLUTION: Time measurement by a fuel cut determination timer is started at time t1 when engine speed under an idling condition becomes smaller than a first predetermined speed N1 and fuel cut is performed after predetermined delay time To passes. If engine speed exceeds second predetermined speed N2 before measured time becomes fuel cut delay time To, fuel cut control is stopped. If engine speed exceeds second predetermined speed N2 after fuel cut delay time To, fuel cut control is continued. COPYRIGHT: (C)2006,JPO&NCIPI