Method and apparatus for controlling an internal combustion engine with a mechanically driven supercharger

A method is provided for controlling an internal combustion engine with a mechanically driven supercharger which can be switched on and off by means of a clutch and is arranged in a charge-air line. A bypass-air line with a bypass-air control element connects the intake and delivery sides of the sup...

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Bibliographische Detailangaben
Hauptverfasser:	WIDMANN WOLFGANG, HORLACHER RAINER, KEMMLER ROLAND
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CONTROLLING COMBUSTION ENGINES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS
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Beschreibung
Zusammenfassung:	A method is provided for controlling an internal combustion engine with a mechanically driven supercharger which can be switched on and off by means of a clutch and is arranged in a charge-air line. A bypass-air line with a bypass-air control element connects the intake and delivery sides of the supercharger. A throttle valve is situated upstream of the supercharger or downstream in the charge-air line. The clutch and/or the bypass-air control element are controlled with specifiable values for a degree of opening and/or a switching state of the clutch, and, in a specified part-load range of the internal combustion engine, the bypass-air control element closes the bypass-air line when the clutch is open.