Alan Hitchcox

Penton Media Inc.

Alan became a technical editor in 1981 and joined Hydraulics & Pneumatics in 1987. After serving in the US Army as a wheeled vehicle mechanic, he graduated with a BS in engineering technology from Franklin University, Columbus, Ohio, while working as an industrial service coordinator and project manager at an industrial distributor. He has taken technical courses in fluid power and electronic and digital control at the Milwaukee School of Engineering and the University of Wisconsin - Milwaukee and has served on several industry committees.

Pump-controlled steering system shows high efficiency

Researchers at Purdue University, West Lafayette, Ind., have shown how to reduce fuel consumption while improving the efficiency of hydraulic steering systems in heavy construction equipment. The new approach incorporates several innovations: It eliminates valves now needed to direct the flow of hydraulic fluid in steering systems and uses advanced algorithms and models to precisely control hydraulic pumps. New designs might also incorporate textured "microstructured" surfaces inside pumps to improve performance.

Company Celebrates Quality Improvement
Marmon/Keystone holds company-wide celebration of quality improvement process
Sauer Danfoss is now Danfoss Power Solutions

Sauer-Danfoss has officially changed its name to Danfoss and now operates as a new business segment called Danfoss Power Solutions within the Danfoss Group. Danfoss is globally recognized for its innovative, energy-efficient solutions in a variety of industries, and adopted the Sauer-Danfoss business into its business structure through an acquisition earlier this year.

Fundamentals of Pressure Transducers
Pressure is a key factor in almost every fluid-power circuit. Pressure transducers can interface that factor with the control system.
ICUEE 2013: Take tomorrow for a test drive

The 2013 version of International Construction & Utility Equipment Exposition, better known as ICUEE, will descend upon Louisville, Ky., October 1 to 3, offering a multifaceted experience for those involved in it’s electric, gas, water, sewer, telecommunications, and construction.

Las Vegas hosts largest Pack Expo ever

More than 1,600 processing and packaging solutions providers are on board to occupy over 700,000 net sq ft, making the 2013 edition the largest Pack Expo Las Vegas since the event first opened in 1995.

Indicators let you “eyeball” airflow

When troubleshooting or monitoring the status of a low-pressure pneumatically powered or controlled machine — such as medical equipment or air-logic circuits — it can be next to impossible to determine if air is flowing through a particular line, even if clear tubing is being used. You could provide a flowmeter for each critical line, but that can get expensive.

Efficient valve targeted for smaller Tier 4 off-highway machines

Bosch Rexroth’s ML-18 pressure-compensated load-sensing control valves may take energy efficiency to the next level. The ML-18 design was developed to reduce power consumption on new Tier 4 applications, such as skid steers, small wheel loaders, and material handlers.

NFPA Joint Conference Rolling into Rosemont, Ill.

The 2013 Fluid Power Systems Conference, scheduled for November 19 to 21 at the Doubletree Hotel, Rosemont, Ill., will kick off with a keynote address by Gary W. Rogers, president and CEO of FEV Inc. Rogers, a commercial vehicle powertrain expert, has titled his presentation, “Reducing Energy Expenses Utilizing Hybrid Waste Trucks, Transit Buses, and Delivery Vehicles.”

Fully-submersible labels
CILS-8200 fully-submersible, computer printable rating plate labels resist seawater, gasoline, diesel, oils, chemicals, solvents, etc., for long-term identification. Printable in minutes from a laser, inkjet or thermal transfer printer, variable data (serial numbers, barcodes etc) can be added in-house, saving time and costs.
Closed-loop electrohydraulics upgrades bearing tester
Rapid-response hydraulic proportional valves and a motion controller improve the speed, resolution, and repeatability of a bearing testing machine.
Heat automatically closes pneumatic safety valve
Shape memory alloy causes a valve to close automatically when threshold temperature is applied.
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