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Internal combustion engine system having a power turbine with a broad efficiency range

  • US 7,694,518 B2
  • Filed: 08/14/2007
  • Issued: 04/13/2010
  • Est. Priority Date: 08/14/2007
  • Status: Active Grant
First Claim
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1. A centripetal turbine comprising:

  • a housing having an inlet for high velocity gases and an outlet;

    a turbine wheel rotatable in said housing, said turbine wheel having a plurality of blades extending at least radially inward from the turbine wheel periphery;

    said housing having first and second passages leading from the inlet to discrete and separate portions around the periphery of said turbine wheel;

    said housing having fixed vanes in said passages adjacent the periphery of said turbine wheel wherein said fixed vanes in said first and second passages have different angles with respect to said turbine housing; and

    said housing having a device to selectively permit flow through said first passage, said second passage and both passages.

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