2012•Journal of the Korean Society for Precision EngineeringOpen access

Vibration Analysis for Oil Gear Motor considering Pulsation Pressure

Yoo-In Shin, Chung-Seob Yi, Ung-Gi Jeong, Jeong-Se Suh, Chul-Ki Song

Abstract

Oil gear pump is used for the cooling pump system of commercial vehicle. The hydraulic pulsation pressure of oil gear pump is one of the most important reasons for the vibration and noise of the pump. In this study, the several hydraulic factors acting on oil gear motor are analyzed by CFD in operation of cooling system. Forced vibration analysis due to hydraulic pulsation pressure is analyzed by FEA for predicting deformation and equivalent stress.

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Key concepts: Gear pump, Oil pump, Hydraulic motor, Vibration, Hydraulic pump, Oil pressure, Axial piston pump, Engineering