RESOURCES FOR ENGINEERS

Featured Product

Diesel Exhaust Fluid Dosing Subsystem

  • Precise motion control for exact dosing
  • Wide speed range for variable dosing volumes
  • Designed for 12 & 24 volt operation
  • Long life brushless motor & control subsystem

Johnson Electric develops leading motion systems solutions for engine management applications enabling automotive OEM's and system integrators to meet the increasing demand for fuel economy and emissions improvement while at the same time enhancing vehicle performance and driveability. Exhaust after-treatment, exhaust gas recirculation (EGR), turbocharger, fuel pump and electronic throttle control (ETC) are a few examples of current engine management applications. To support the increasing demand for durability and vibration resistance, Johnson Electric offers brushless motor technologies with integrated control electronics custom engineered for each application.

Johnson Electric delivers unique system solutions beginning with our wide ranging and innovative platform technologies.
  • Precise motion control for exact dosing
  • Wide speed range for variable dosing volumes
  • Designed for 12 & 24 volt operation
  • Long life brushless motor & control subsystem

Johnson Electric has developed a brushless motor dosing module for Diesel Exhaust Fluid (DEF) used in the Selective Catalytic Reduction (SCR) process in heavy duty diesel engines. The Johnson Electric dosing modules are custom designed for both air assisted and airless DEF systems used in trucks, bus, and off road vehicles. Johnson Electric’s brushless motor and control technology provides the industry’s widest speed range to cover variable urea dosing requirements. Integrated motion control enables exact amounts of urea to be delivered to the selective catalytic reduction system for maximum NOx reduction.

DEF dosing accuracy is critical for SCR systems to reduce NOx emissions, Johnson Electric is working with global SCR providers and engine makers to meet NOx reduction targets.

Johnson Electric delivers unique system solutions beginning with our wide ranging and innovative platform technologies.
  • Precise motion control for exact dosing
  • Wide speed range for variable dosing volumes
  • Designed for 12 & 24 volt operation
  • Long life brushless motor & control subsystem
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