A hydraulic ram is a clever device invented over 200 years ago that can pump water uphill with no other external source of ...

All positive displacement fixed-volume pumps for hydraulic circuits require an unloading valve to protect the system from excess pressure. Fixed-volume pumps move a set amount of fluid when they turn, ...

The design of hydraulic components, as well as what components are used to form a system are important factors for improving efficiency, says Westergaard. How the chosen components are controlled ...