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ROTOR FOR A GAS TURBINE ENGINE COMPRISING A ROTOR SPOOL AND A ROTOR RING

  • US 20110239661A1
  • Filed: 03/31/2011
  • Published: 10/06/2011
  • Est. Priority Date: 04/01/2010
  • Status: Active Grant
First Claim
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1. A rotor (100) for a gas turbine engine comprising a one-piece rotor spool (20) extending along the axis of the engine (X) and a rotor ring (30), the spool (20) comprising an upstream portion (20A) and a downstream portion (20B) that are radially offset relative to one another;

  • the radially outer portion comprising a plurality of housings (24) for rotor blades (40B) formed in the outer surface of the radially outer portion;

    the rotor ring (30) comprising a plurality of housings (34) of rotor blades (40A) formed in the outer surface of the ring (30);

    a rotor in which the radially inner portion of the spool comprises attachment means (23) designed to interact with attachment means (33) of the rotor ring (30), formed in the inner surface of the ring (30), in order to prevent a tangential movement of the rotor ring (30) relative to the rotor spool (20).

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