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December 7, 2007 – Vol. 12 No.37 Parker Hannifin Corp. and FedEx Ground To Test Hydraulic Hybrid. The technology could improve fuel mileage by more than 50 percent and significantly reduce engine emissions. The companies have agreed to test a Class 6 vehicle that will rely on a Parker series hybrid hydraulic drive that eliminates the conventional transmission. Primary pump/motor components developed by Parker leverage additional technologies developed by the EPA to create a true series hybrid drive as opposed to a parallel system that would increase vehicle weight. The system captures, stores and deploys energy by recovering inertial energy and optimizing engine efficiency, using Parker hydraulic technology. (Hydraulic hybrids generally utilize an accumulator (essentially a pressure tank) to store hydraulic fluid under pressure that can be used by a hydraulic motor to assist the internal combustion engine under acceleration.)
A working demonstration vehicle is projected to be available for FedEx Ground within the next 12 months. Parker expects the technology to have applications with other classes of vehicles. FedEx Express, a unit of FedEx Corp., is a leader in the development of other hybrid systems for smaller class four vehicles and has hybrid electric vehicles with more than a million miles of operational service. The United States Environmental Protection Agency (EPA), as part of a Cooperative Research and Development Agreement (CRADA), will continue providing Parker additional technical assistance in the development of the vehicle as it has for four years. Parker Hannifin is a diversified manufacturer of motion and control technologies and systems, providing precision-engineered solutions for a wide variety of commercial, mobile, industrial and aerospace markets. (12/7/07)
Links: FedEx Corp. Parker Hannifin
Disclaimer, Forward-Looking or Safe Harbor Statement on original press release: Yes
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