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Energy-Efficient Excavator Controls EPC and VBO
Advantages
Advantages of Electronic Positive Control EPC:

  • Fuel savings of over 10% possible
  • Fast machine response
  • High dynamic system stability
  • Optimized torque demands, especially for TIER 4 diesel engines
  • Compatibility with existing Positive Control System
  • Can be expanded to Positive Control with full EH valve control
Advantages of Virtual Bleed Off VBO:

  • Fuel savings of over 10% possible
  • Good load sensitivity
  • Gentle, soft control response
  • High energy efficiency, no losses in open center
  • Optimal matching of the hydraulic torque demand on TIER 4 diesel engine
  • Expandable to VBO with full EH valve control
More Information
Background
Function
Advantages
Applications
Approaches for TIER 4 final