EHPS System

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Electro Hydraulic Assisted Power Steer

Our EHPS system combines an AC induction motor, a low-noise gear pump and an inverter. This robust, reliable and safe system provides oil flow for assisted steering applications allowing a 30-50% energy saving by “power on demand” for a fast project turn-around and an adjustable steering performance. It is perfectly adapted for any bus applications while allowing a more modular design.

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Power on demand

Features

  • Provide oil flow for assist steering applications by:
    • 16 I/min @ 0…150bar
    • 14 l/min @ 180 bar (peak)
  •  Powered by 24Vdc (48Vdc on request) battery (Board net)
  • Communication with Vehicle Controller via CAN (J1939 & OPEN)
  • Fault tolerant Fall-back operation mode at system failures
  • Low noise pump technology ≤ 55dBA (1500rpm, 200bar)

Benefits

  • 30-50% energy savings by power on demand, therefore reducing vehicle emissions
  • Power is independent of engine speed
  • Reduced installation costs vs. hydraulic piping
  • Fast project turn-around
  • Customized control features