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Apparatus and method for optimizing vibration of a gas turbine

  • US 7,367,775 B2
  • Filed: 06/03/2004
  • Issued: 05/06/2008
  • Est. Priority Date: 06/12/2003
  • Status: Active Grant
First Claim
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1. A rotor for a gas turbine, having blades forming a blade ring and the blades within the blade ring being arranged at a different distance from one another and thus with a different blade pitch, a distance between the blades within the blade ring changing continuously or discontinuously in a circumferential direction and the distance between the blades within the blade ring dimensioned such that an imbalance is canceled out, wherein the rotor has a first rotatable blade ring and a second rotatable blade ring arranged axially behind one another in the rotor, wherein, within each of the first and second blade rings of the rotor the blades are arranged at a different distance from one another, and wherein a first arrangement of the different distances of the blades within the first blade ring of the rotor is different from a second arrangement of the different distances of the blades within the second blade ring of the rotor.

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