Accumulators beat boom bounce
Long booms and rough terrain can combine to produce potentially damaging boom bounce on off-road equipment. The resulting abnormal mechanical stresses can bend metal parts and lead to equipment...
View ArticleParker to deliver more hydraulic hybrid refuse truck systems
Two years after testing on three trucks began in southern Florida, Parker Hannifin Corp. announced today that Miami-Dade County in south Florida has placed an order for 29 Autocar E3 refuse trucks...
View ArticleLightning Hybrids' fuel efficiency demonstration
Lightning Hybrids, Loveland, Colo., announced this week that it will be supplying its hydraulic hybrid system on two city buses for the city of Loveland. A video like this will be shown on board the...
View ArticleUpdated accumulator selection software available
Parker Hannifin Accumulator & Cooler Division Americas recently revamped its inPHorm for Accumulators program, allowing it to run on a Windows 7 platform and serve solely as a stand-alone...
View ArticleAir and oil do mix
Selecting the right accumulator is critical for wind farm applications.
View ArticleThe Old Timer Part 24: Remember the People Part of Design Projects
The Old Timer of Royal Oak, Mich., was a regular contributor to H&P years before we ever even heard of the internet. But most of his advice is just as useful — and interesting — today. So rather...
View ArticleAccumulator bank breathes new life into core machine
A manufacturer of cast-aluminum automobile engine components called on Livingston & Haven to solve an operating problem with a core-blower machine that produced sand cores for molds — in this case,...
View ArticleHarvester shakes up pistachio orchards
Erick Nielsen Enterprises, Inc. (ENE) is a family owned and operated agribusiness located in Northern California. ENE specializes in custom orchard services, including mechanical pruning of many...
View ArticleSensor detects piston position in accumulators
Whether they use a piston or a bladder, accumulators are all about precharge pressure. When sizing an accumulator, specifying the correct volume and precharge pressure can mean the difference between a...
View ArticleAccumulators add functionality to hydraulic circuits
Knowing the differences among the various types of hydraulic accumulators will pay off in safety and cost.
View ArticleDeep-Sea Accumulator Servicing Just Got Easier — and Faster
The Lockbox piston accumulator design does away with threaded retaining rings to secure the endcap, making servicing faster and less complicated because it can be performed on-site using standard tools.
View ArticleFreudenberg acquires Tobul Accumulator
Freudenberg Sealing Technologies acquired Tobul Accumulator effectively July 31, 2014. Tobul is a developer and manufacturer of hydraulic accumulators. The family-owned company has sites in Bamberg, SC...
View ArticleAccumulator designed for deep-water applications
Lockbox piston accumulator design addresses issues of costly, time-consuming, and complicated offshore accumulator service. Traditional piston accumulators have a threaded retaining ring that holds the...
View ArticleHydraulic-Electric Analogies: Capacitors and Accumulators, Part 1
Developing an understanding of hydraulic capacitance helps eliminate pesky parasitic capacitances, and facilitates the overall application of circuit theorems in hydraulic design.
View ArticleAmeripride Takes Delivery of First Hydraulic Hybrid Truck
Hybrid hydraulic drive system demonstrates many benefits for delivery trucks.
View ArticleHydraulic-Electric Analogies: Capacitors and Accumulators, Part 2
Developing an understanding of hydraulic capacitance helps eliminate pesky parasitic capacitances, and facilitates the overall application of circuit theorems in hydraulic design.
View ArticleOhio Town Welcomes First Hydraulic Hybrid Garbage Trucks
Leadership of Oberlin, Ohio seizes opportunity from disaster
View ArticleHydraulic-Electric Analogies: Capacitors and Accumulators, Part 3
This article is the latest in Jack Johnson's series on Hydaulic-Electric Analogies. See the "Related" articles list below for previous articles in the series. Capacitors are specified by their...
View ArticleLarge Bladder Accumulators Reduce Pipeline Complexity
Fluid Energy Controls now offers bladder accumulators in sizes up to 45 gallons, enabling the use of fewer accumulators as compared to smaller 10, 11, or 15 gallon sizes. Large-size accumulators suit...
View ArticleBladder Accumulators Shed the Weight
Bladder accumulators are constructed of a composite fiber shell over an aluminum liner, making them approximately one fourth the weight of steel accumulators. They come in seven standard sizes from 5...
View ArticleMore Hydraulic Hybrids on the Horizon
Kiessling Transit's fleet of new 2015 and 2016 Ford E450 chassis and Elkhart Coach bodies will incorporate the Lightning Hybrids parallel hybrid system installed prior to delivery this summer.
View ArticleThe Many Roles of Accumulators
Accumulators store energy by compressing a gas, usually nitrogen. This high-pressure gas then forces hydraulic fluid pot of the accumulator whenever system pressure drops below the gas compressed gas...
View ArticleThe Lighter Side of Accumulators
The benefits of composite accumulators reach beyond just weight reduction of hydraulic systems. They also can reduce installation cost and total system costs.
View ArticleTroubleshooting Challenge: Accumulator Pre-Charge Changing
A mushroom farmer needed to solve the problem of their lift slowing down, and tried different methods to address possible issues with the HPU.
View ArticleTroubleshooting Challenge: Hydraulic System Overheats in Aluminum Recycling...
An aluminum recycling and smelting plant replaced the pilot valve on its hydraulic feeder unit, and the system began experiencing heat build-up and slow cylinder operation.
View ArticleMaintenance-Free Accumulators Flying High
Cessna's Citation Longitude aircraft is the first to incorporate all-metal bellows accumulators in the hydraulic system, virtually eliminating accumulator maintenance issues.
View ArticleTroubleshooting Challenge: Fix One Problem, Another Crops Up
After reprogramming the PLC and replacing the accumulator bladder, a sand mold squeezing press still had the problem of the squeeze feet cylinders not extending.
View ArticleWhere in the World Are Your Accumulators Going?
Accumulators are pressure vessels, so they must be certified for the country in which they will be used. This isn’t a problem for equipment sold and used in the U.S., but what if the machine your...
View ArticleAccumulators Help Upgrade Hoover Dam
Hoover Dam generates electricity for millions of homes and businesses across the southwest, and it’s a constant challenge to keep the vital power source running smoothly. Recently, a team of innovative...
View ArticleTroubleshooting Challenge: Hose Keeps Failing on Large Press
A 100-ton press was designed and installed to close and form large pieces of ¼- to ½-in. thick sheet metal. To extend the press, solenoids 1B, 2A, and 3B (see accompanying schematic) would energize to...
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