Crankshaft controller

A hybrid electric vehicle includes a controller and control method to control position of a crankshaft of an internal combustion engine when the engine is stopped and the vehicle is moving to balance bearing wear associated with road-surface induced vibrations or oscillations imparted to the bearing...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Kees, Donatus Andreas Josephine, Cho, Baekhyun
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDEDFOR STARTING OF COMBUSTION ENGINES TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A hybrid electric vehicle includes a controller and control method to control position of a crankshaft of an internal combustion engine when the engine is stopped and the vehicle is moving to balance bearing wear associated with road-surface induced vibrations or oscillations imparted to the bearings while the crankshaft is not rotating. The controller is configured to store information relating to a cumulative time stopped at a plurality of angular positions of the crankshaft while the vehicle is in operation and/or moving, and to control stopping or repositioning of the crankshaft to balance or approximately evenly distribute the stopping positions among the plurality angular stopping positions to reduce or eliminate the possibility of excessive wear at any particular position relative to the others.