Friday, January 3, 2020

Turbocharger lubrication

  • Two journal bearings one on the turbine side and one on the compressor side support the weight of the rotor and provide lubrication as well as vibration inhibition.
  • A thrust bearing with 2 forward and aft faces is also fitted on the compressor side on either side of a thrust collar.
  • The lubricant is externally supplied to the turbo charger at specific temperature and pressure by the turbo charger LO pumps.
  • The LO header tank is fitted on top to provide lubrication in case of sudden engine stop or blackout.
  • Oil labyrinth and gas labryinths are provided on both sides to prevent leakage

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