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Hydraulic Oil Leakage through a Pressure Reducing Valve Spool
H. A. Khan(하룬 아흐마드 칸),E. A. Jeong(정은아),J. W. Park(박정우),J. H. Hun(정황훈),S. N. Yun(윤소남) 유공압건설기계학회 2021 유공압건설기계학회 학술대회논문집 Vol.2021 No.11
Power losses in a hydraulic system are intrinsically linked to leakage, which is unwanted in any application. Depending on the use, pressure regulating valves feature two or three ports. Prior research on leakage in oil-hydraulic pressure reducing valves has not been extensively done which makes this study more significant. A data processing system and pressure sensors were installed as part of the experimental equipment used to test the valve. The test results were recorded and evaluated. The steady-state leakage of the valve was measured using a stop watch and a beaker with volume markings. Because of the unreliability of flow sensors at extremely low flow rates, a more fundamental method of volume per time was used. The valve was controlled by a solenoid with a variable output pressure. The leakage properties for various output pressures were investigated.