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정동수(Dong-Soo Jung),김형의(Hyoung-Eui Kim),차재옥(Jae-Ock Cha) 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.5
When hydraulic system reaches setting pressure, piston pump including pressure compensation valve has an advantage that it reduces damage and heat of hydraulic system and it also saves energy by adjusting discharge flow to be under setting pressure. Generally, piston pump is not able to maintain constantly setting pressure needed in hydraulic system as internal pressure of piston pump delivered to pressure compensation valve is variable in accordance with discharge flow. In order to solve this, this study suggests pilot line method that delivers pressure of hydraulic system to pressure compensation valve directly and confirms improvement of pressure compensation performance through test for discharge flow and setting pressure.