REDUCTION OF NOISE GENERATING FLOW FLUCTUATIONS IN HYDRAULIC SYSTEMS DRIVEN BY SWASH PLATE PUMPS THROUGH IMPROVED PORT PLATE DESIGN

摘要

Flow fluctuations in hydraulic systems driven by swash plate pumps generate noise. A swash plate pump contains a finite number of pistons arranged in a cylinder block. Motion of each piston is separated by a phase difference of (27c/9) Rad. The total pump flow is the sum of individual cylinder flows, An improved port plate design is proposed and analyzed for the pump flow characteristics.