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ELECTRIC MOTOR-DRIVEN PUMPS

The Hydraulic Systems Division designs and manufactures electric motor-driven pumps for aerospace and derivative markets. Our integrated electric motor hydraulic pump packages are designed to reduce weight and simplify maintenance without compromising reliability. Standard and custom units are available for a variety of applications.

 

Products

  • AC motor pumps – fixed and variable
  • DC motor pumps – brush and brushless
  • Hydraulic motor generators

 

Applications

  • Most commercial, military, and general aviation aircraft
  • Unmanned, space, and military ground vehicles

 

Technical Highlights

  • Variable displacement axial-piston-pump designs with pressure compensation
  • Fixed displacement axial-piston-pump designs
  • Phosphate-ester-based fluids and hydrocarbon-based (MIL-PERF-87257, 83282, 5606) operating fluids
  • Pressure rated up to 5000 psi (345 bar)
  • Air-cooled, flooded, or jacketed liquid-cooled
  • 28 VDC and 270 VDC motors – brush and brushless
  • Fixed (400 Hz) or variable frequency (324-595 Hz) three-phase 115 VAC AC motors
  • Speeds from 5,600 rpm to 12,000 rpm
  • Flows rated up to 8.5 gpm (32.2 l/min)
  • Thermal switch integration
  • Control and drive electronics capabilities available
  • Soft cut-off control available for constant horsepower
  • Start valves available to reduce inrush current
  • Low inlet impeller functions available for improved system operational efficiency
  • Explosion-proof construction
    • Testing per RTCA/DO160 rev D, Env. I, Cat A
    • Locked rotor failure mode testing
  • Integrated construction
    • Shared bearings, shafts, housings
    • Case and inlet boost pumps

 

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