Circumferential Groove in Cylinder of Piston Machines
Researchers at Purdue University have developed a novel approach to prevent metal-to-metal contact in pistons in the event of insufficient hydrodynamic load carrying ability of the fluid film between the piston and cylinder through the utilization of hydrostatically balanced areas. Subsequently, this technology equips the design of swash-plate type machines for high pressure, utilizing low-viscosity fluids, like water. The technology helps increase the load-carrying capacity of the fluid film between the piston and cylinder due to additional hydrostatic bearing capacity, which helps prevent metal-to-metal contact.
Prevents metal-to-metal contact between the piston and cylinderAllows swash plate type machines to utilize low viscosity fluids like water
Piston-cylinder boresAxial piston pumps
Monika IvantysynovaMaha Fluid Power LabPurdue Mechanical EngineeringMonika IvantysynovaPurdue Agricultural and Biological Engineering
United States
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