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Multiple nozzle rings and a valve for a turbocharger

  • US 20070209361A1
  • Filed: 03/08/2006
  • Published: 09/13/2007
  • Est. Priority Date: 03/08/2006
  • Status: Active Grant
First Claim
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1. An exhaust-gas turbine of a turbocharger comprising:

  • a turbine housing receiving exhaust gases from an internal combustion engine by means of one or more exhaust conduits;

    one or more exhaust gas inlets in the housing being connected to the one-or-more exhaust conduits;

    the exhaust gas inlets expelling exhaust gases into at least two volute gas chambers which are encompassed around at least two nozzle rings;

    the nozzle rings, each having a polar array of vanes mounted in a fixed position on a web or ring, receive exhaust gases from the at least two volute gas chambers and are directing the exhaust gases around the periphery of one or more turbine wheels causing the rotation of the one-or-more turbine wheels.

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