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ROTOR FOR A GAS TURBINE ENGINE

  • US 20150322803A1
  • Filed: 04/28/2015
  • Published: 11/12/2015
  • Est. Priority Date: 05/07/2014
  • Status: Active Grant
First Claim
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1. A rotor for use in a gas turbine engine, the rotor comprisinga central wheel arranged around a central axis,a plurality of first frequency blades that extend outward from the central wheel in a radial direction away from the central axis, each of the first frequency blades formed to include at least one first-frequency-modification slot that extends inward in the radial direction from a radially-outward tip of the first frequency blade toward the central wheel, anda plurality of second frequency blades that extend outward from the central wheel in the radial direction away from the central axis, each of the second frequency blades arranged circumferentially between two first frequency blades and formed to include at least one second-frequency-modification slot, different from the at least one first-frequency-modification slot, that extends inward in the radial direction from a radially-outward tip of the second frequency blade toward the central wheel.

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