60 Years Ago: Two Pump System Provides Synchronized Motion
High pressure, low slip, radial piston pumps with a gear pump powered stroking mechanism supply equal volumes to each of the two car dumping jack cylinders. The circuit has safety and control features...
View ArticleWhy Risk It with Copycat Hydraulics?
Bob Nemeth, Parts & Service Director, Americas, Danfoss Power Solutions Such components may lack the original manufacturer’s proven quality, performance, and reliability, which makes genuine...
View ArticleNew HPU Gives WWII Sub New Life
Joseph Kane, Bosch Rexroth A team restoring a vintage submarine docked at San Francisco’s Fisherman’s Wharf wanted a more efficient and easier-to-operate system for operating a periscope, torpedo...
View ArticleElectrically Powered Gear Pump Slashes Fuel Consumption
Ray Scroggins, Scroggins Associates Using batteries to drive an electric motor, the hydraulic power unit of Versalift bucket lifts run cleaner and quieter, while resulting in significant fuel savings...
View ArticleHydraulic Traction Circuit Treats Golf-Course Greens Gently
The Toro Co. has designed and patented a hydraulic traction circuit that enables a groundskeeper to easily manicure golf greens with the speed and convenience of a riding mower. The triplex...
View ArticleDirect-Drive Radial-Piston Motor
The Hydre-Mac direct-drive radial-piston motor handles variable-speed applications requiring less energy to deliver more power. The low-speed, high-torque motor, featuring a cam-lobe read more
View ArticleVariable-Speed Pump Drive
Sytronix SVP 7010 variable speed pump drive offers a performance range up to 120 kW. It uses pre-programmed features to provide high control accuracyread more
View ArticleHydraulic Die-Cushion Drive Can Save Significant Energy on Presses
Voith’s CSH die-cushion drive, which consists of a servopump and a double-acting die cushion mounted underneath the bolster plate. needs no valves and significantly reduces energy consumption of the...
View ArticleThe Big 5 for Electric Motors
Five important points about specifying an electric motor to drive a hydraulic pump. Understanding the basic parameters of electric motors is key when specifying one for a particular HPU application,...
View ArticleHydraulics in the Aftermath of Pearl Harbor
Quick action using hydraulics helped right many of the warships damaging in the attack on Pearl Harbor.The Hitch Postread more
View ArticleDeep Seas Push Hydraulic-System Boundaries
Royce Gerngross and Alexandre Orth, PhD Industries expand efforts into the subsea terrain to acquire vital resources needed to meet global demand. Taking of advantage of hydraulic systems, industries...
View ArticlePump Controls Optimize HPU Performance
William Fischer, The Oilgear Co. Through the proper selection of variable-volume pump control, the hydraulic system engineer can design a circuit that will offer the best performance with the most...
View ArticleTried & True Ways of Dealing with Air in Hydraulic Fluid
Symptoms typical of an aerated hydraulic system plagued the F-104 aircraft for years. Aeration was caused by system components with built-in chambers and passages where free air (bubbles) collected...
View ArticleTroubleshooting Challenge: Unexpected pressure loss while testing a new...
In preparing for a retest of a hydraulic power unit experiencing quick pressure drops/rises, the oil was drained from the reservoir and panels removed, only to discover construction debris and beads of...
View ArticleOhio Town Welcomes First Hydraulic Hybrid Garbage Trucks
Ohio town seizes opportunity from disaster Shortly after midnight on February 15, 2014, firefighters in Oberlin, Ohio responded to a fire at the city’s refuse vehicle garage. The building housed all...
View ArticleSystem Simplifies Hydraulic Tank Cleaning
The versatility of the Super Caddy 3 makes it useful for any shop or large fleet operation. Super Caddy 3 is a service tool that gives dealers and service center the ability to clean a hydraulic...
View ArticleVane-Type Hydraulic Motors Ideal for High-Pressure Applications
Staff Series M motors come in four sizes, with standard or heavy-duty bearings for high-speed (to 4,000 rpm), high-pressure applications. read more
View ArticleHydraulic Drives on the Move
Proven in heavy-vehicle applications, where they have reduced fuel consumption and saved on brakes, hydraulic hybrid drives may find their way into smaller vehicles. Vehicles that require a lot of...
View ArticleRadial-Piston Pumps Handle High Pressure
BRK 11/12 radial piston pumps feature long economic lifetimes and unique characteristics for loading, lifting, and advancing. Pumps in the family can withstand continuous operating pressures between...
View ArticlePumps Power Railcar Mover
When an OEM in the rail industry needed a new pump to replace a discontinued design, they were right on track in finding a simpler and more-compact solution. When an OEM in the rail industry needed a...
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