Fluid Power Journal

Zero-Max Offers Overload Safety Devices

Zero-Max overload safety devices protect motor and drive systems from overload while offering options to withstand corrosive environments and necessary …

Research to Watch: Investigation of Noise Transmission through Pump Casing

This column will bring you the progress of the pre-competitive research being conducted at member universities that are part of the CCEFP network. This …

Contamination: How Its Cure Can Be Worse Than The Disease

By Brendan Casey, HydraulicSupermarket.com Given that removing contaminants from the oil to extend hydraulic component life is the primary objective of …

Research to Watch: 4 Quadrant Multi-Fluid Pump/Motor

This column will bring you the progress of the pre-competitive research being conducted at member universities that are part of the CCEFP network. This …

Select The Right Hydraulic Component Using Hydraulic Pump & Motor ISO Standards

By Jose M. Garcia Bravo, Ph.D., CFPS The International Standards Organization (ISO) helps hydraulic pump and motor users, manufacturers, and researchers …

The Basics of Variable-Displacement Pump Controls

If you are operating a vane or gear pump, in most cases the controls are fairly simple. The pump is either loaded (doing work) or unloaded (all flow going …

Aerated Oil on a Log Splitter

I loaned my log splitter to a friend whose tree fell after a storm. The tree was a blue spruce evergreen about 30-ft. tall. It surprised me that the tree’s …

Kidney Loop

We are in the Fluid Power business.  We are convinced that Fluid Power is the right choice for transferring energy in this specific application.  We know …

Oil Rig Top Drive Knocking Noise in the Pump

A drill rig operator was complaining about a knocking noise coming from his top-drive HPU. It controlled a hydraulic motor that drove a winch attached to the …

Simulating a Piezoelectric-Actuated Hydraulic Pump Design

Hydraulic pumps are often the focus of automotive engineers attempting to reduce energy losses. For example, power steering systems have progressed from purely …