System and method for preventing seizure of bearing using knocking sensor

A system for inhibiting seizure of a bearing may include: a knocking sensor provided at one side of an engine to measure vibration transmitted from the engine and detect knocking of the engine, and a controller for controlling operation of the engine. In particular, the controller determines that a...

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Bibliographische Detailangaben
Hauptverfasser:	Bong, Ha-Dong, Jeong, Jaekyoung
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CONTROLLING COMBUSTION ENGINES CRANKCASE VENTILATING ENGINE PLANTS IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING LUBRICATING INTERNAL COMBUSTION ENGINES LUBRICATING OF MACHINES OR ENGINES IN GENERAL MACHINES OR ENGINES IN GENERAL MEASURING MECHANICAL ENGINEERING PHYSICS STEAM ENGINES TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR WEAPONS
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Beschreibung
Zusammenfassung:	A system for inhibiting seizure of a bearing may include: a knocking sensor provided at one side of an engine to measure vibration transmitted from the engine and detect knocking of the engine, and a controller for controlling operation of the engine. In particular, the controller determines that a bearing of the engine is damaged when a magnitude of vibration of the engine inputted from the knocking sensor is greater than a damaged-bearing judging threshold value while the engine is operated in a damaged-bearing detecting region which is a region where knocking does not occur.