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Experimental Study on Behavior Characteristics in Crankshaft Oil Seal
Han Goo Kim(김한구),Sae-il Jeon(전세일),Myung Koo Kim(김명구),Akio Nakamura,Se Jong Yoo(유세종),Mun-Ha Lee(이문하),Myoung-Hun Oh(오명훈),Jung-Kyou Kim(김정규) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
The behavior characteristics of the gasoline engine crankshaft oil seal regarding the assembling condition are being experimentally studied. Normally, most of the crankshaft oil seals are assembled onto the housing which is created after the cylinder block and the oil pan are assembled. Since the cylinder block and the oil pan are separate parts, mismatching quantity presence cannot be avoided which has influence on the crankshaft oil seal behavior characteristics. Thus, experimental study has been taken place for the leakage characteristic and the friction torque value change according to the mismatching amount variance and the engine oil temperature with the shaft velocities. The result shows that when the rotating shafts velocity is constant, leakage was present when it was over 0.6 ㎜ and friction torque increases proportional to the mismatching amount. From the experimental study, it was relevant that the assembling condition of the cylinder block and the oil pan has effects on the behavior characteristics for the crankshaft oil seal.