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A Study on Pressure Ripple of Axial Piston Pump using Branch Hose  

Lee, Hong-Seon (현대중공업(주))
Lim, Tae-Hyeong (신호시스템(주))
Chun, Se-Young (신호시스템(주))
Kwon, Soon-Kwang (울산대학교 기계자동차공학부 대학원)
Lee, Chang-Don (울산대학교 2단계 BK21 지능형 자동차 부품 기술 개발팀)
Yang, Soon-Young (울산대학교 기계자동차공학부)
Publication Information
Transactions of the Korean Society of Machine Tool Engineers / v.16, no.6, 2007 , pp. 117-124 More about this Journal
Abstract
The pressure ripple in most hydraulic systems is the root cause of their noise and vibration. This paper reduced the pressure ripple using side branch hose for an axial piston pump applied to small excavator. First, in calculating open area, a new method using groove area of valve plate is proposed. Simulation model in AMESim environment is developed to verify proposed method, find effective length and diameter of branch hose. Finally, the comparisons with experiment results show that the proposed method is more effective than previous method in reducing the pressure ripple.
Keywords
Axial piston pump; Open area; Valve plate; Side branch hose; Pressure ripple;
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