×

Gas turbine engine with fan-tied inducer section and multiple low pressure turbine sections

  • US 8,915,700 B2
  • Filed: 02/29/2012
  • Issued: 12/23/2014
  • Est. Priority Date: 02/29/2012
  • Status: Active Grant
First Claim
Patent Images

1. A gas turbine engine comprising:

  • a first shaft defining an axis of rotation;

    a second shaft rotatable about the axis of rotation and spaced radially outwardly relative to the first shaft;

    a speed change mechanism driven by the second shaft;

    a fan including a fan rotor driven by the speed change mechanism and the first shaft, wherein the fan and the first shaft rotate at a slower speed than the second shaft; and

    at least one inducer stage positioned aft of the fan and coupled for rotation with the fan rotor.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×