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  • Low Noise, Increased Reliability, Digital Control: A New Generation of Radial Piston Pumps
    of the RKP is optimized as a compromise between hydraulic (low pressure drop, small inductivity) and mechanic (small deformation, low stresses) functionality. Pressure drop along the suction path was reduced by 20%. The sound emission of the new radial piston pump generation was reduced by up to 5dB
  • Compact pumps offer higher flow
    open-circuit piston pumps, Frames E (100 to 147 cc) and J (45 to 75cc), offer several sought-after features in mobile-hydraulic systems. For instance: "Based on maximum product dimensions, the Series 45 pumps are smaller than much of our competition by up to 15%, " says Stuart Archer, product manager
  • Five pumps power blast-hole drill
    it one of the most productive, according to company engineers. The rig's 1,500-hp diesel engine or 1,400-hp electric motor drive a custom-built gearbox that runs five pumps from Parker Hannifin's Hydraulic Pump Div., Marysville, Ohio. The pumps, in turn, power virtually the entire machine. According
  • Medical Device Link .
    is an ultrahigh-pressure pump whose design mult i plies the 210-bar oil pressure acting on a large piston by 30 times in transferring that pressure to many smaller hydraulic pistons. The speed of the water jet created enables the volume of costly abrasive, in this case sand, to be reduced; in fact, not only is the
  • Engineers explore mobile equipment's future
    of the incoming fluid. Rexroth is also working to minimize environmental damage from hydraulic leaks. For instance, its redesigned A15VO piston pump has only one high-pressure seal versus 13 in the previous version. With fuel costs recently at record highs, "energy savings is now a key, decisive sales
  • Hydraulics aids trash-to-energy conversion
    hydraulic power unit with 24 submersed gear pumps rated at 3,675 psi. The gear pumps set the flow rate for multiple sets of
  • Accumulators Deliver New Payoffs
    supplies high-pressure fluid that retracts the cylinder rod, but the weight of the piston rod and attached stringer rods pressurizes fluid on the extend stroke, powering a hydraulic motor that drives a pump. Diverting this high-pressure fluid to charge an accumulator lets it supplement pump flow
  • A hydraulically powered bike
    . The 2WD system developed by group, incorporates a piston pump and matching fixed-displacement hydraulic motor to power the front wheel when the back wheel loses traction and slips. The system is based on standard components from Rexroth Sweden, a unit of Lohr am Main, Germany (

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