Variable oil pumps

Controlled oil pumps have been developed for the demand-oriented and, therefore, energy-efficient conveyance of engine oil. In combination with gallery pressure return and map-controlled electronic pressure control, they ensure a maximum degree of efficiency, and therefore minimum fuel consumption. A purely mechanical, speed-dependent pressure control concept is also available upon request.

Operating ranges

Flow rate Up to 300 l/min
Differential pressure Up to 8 bar
Viscosity range For all viscosity classes, including 0W-20 and 0W-30
Speed range Up to 9,500 rpm
Temperature range –40°C to +150°C
Pumping principle - Axially-adjustable external gear pump
- Eccentrially-adjustable vane-type pump
- By means of two gear stages, activated pressure-dependently
Pressure control - Multi-stage or continuously adjustable pressure control
- Purely mechanical control possible for gear pumps
Installation type - Add-on pump, seals resistant to biofuel
- Built-in pump
Materials Casing of aluminum or magnesium alloys
Gears of highly wear-resistant aluminum or steel

Examples of applications

  • Diesel engines
  • Gasoline engines
  • Gas engines
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