Seal assembly for a gas turbine engine
AssigneeGeneral Electric Company
InventorsNarendra Anand Hardikar, David Raju Yamarthi, Ravindra Shankar Ganiger, Mohan Kannaiah Raju
Life of this patent
Estimating the term…
Abstract
A turbine engine includes a rotor, a stator having a carrier, and a seal assembly that is disposed between the rotor and the stator. The seal assembly includes a plurality of seal segments. The plurality of seal segments includes a seal segment having a seal face forming a fluid bearing with the rotor, a body, and an aft bearing extending from the body. The turbine engine further includes a roller assembly having one or more rolling elements coupled to one of the aft bearing or the carrier. The one or more rolling elements in rolling contact with the other of the aft bearing or the carrier.
Claims20
A turbine engine defining an axial direction and a radial direction, the turbine engine comprising:
- a rotor;
- a stator comprising a carrier;
- a seal assembly disposed between the rotor and the stator, the seal assembly comprising a plurality of seal segments, the plurality of seal segments including a seal segment having a seal face forming a fluid bearing with the rotor, a body, and an aft bearing extending from the body;
- and
- a roller assembly coupled to the aft bearing, the roller assembly having one or more rolling elements in rolling contact with the aft bearing, the roller assembly disposed axially between the aft bearing and a radial portion of the carrier,
- wherein the aft bearing includes an arm and a thrust pad, wherein the thrust pad includes a forward surface, a first flange, and a second flange spaced from the first flange.
Dependencies are inferred from the claim text.