Cmc boas arrangement
AssigneeUnited Technologies Corporation
InventorsThomas E. Clark, William M. Barker
Life of this patent
Estimating the term…
Abstract
A blade outer air seal assembly includes a blade outer air seal that has a plurality of seal segments that extend circumferentially about an axis and mounted in a support structure via a carrier. Each of the seal segments has a base portion that extends between a first circumferential side and a second circumferential side and from a first axial side to a second axial side. A first and second hook extend along the base portion in an axial direction. The first and second hooks are engaged with the carrier. The carrier has a wall forward or aft of the first and second hooks and extends radially inward of the first and second hooks.
Claims20
A blade outer air seal assembly, comprising:
- a blade outer air seal having a plurality of seal segments extending circumferentially about an axis and mounted in a support structure via a carrier;
- and
- wherein each of the seal segments has a base portion extending between a first circumferential side and a second circumferential side and from a first axial side to a second axial side, wherein a first and second hook extend along the base portion in an axial direction, the first and second hooks engaged with the carrier, and wherein the carrier has a wall forward or aft of the first and second hooks and extending radially inward of the first and second hooks.
A turbine section for a gas turbine engine, comprising:
- a turbine blade extending radially outwardly to a radially outer tip and for rotation about an axis of rotation;
- a blade outer air seal having a plurality of segments mounted in a support structure via a carrier, the plurality of segments arranged circumferentially about the axis of rotation and radially outward of the outer tip;
- at least one seal segment having a base portion extending between a first circumferential side and a second circumferential side and from a first axial side to a second axial side, a first hook extending from the base portion and circumferentially spaced from a second hook, the first and second hooks extending along an axial length of the base portion, wherein the first circumferential side has one of a protrusion and a groove, the first circumferential side configured to mate with the second circumferential side of an adjacent seal segment;
- and
- wherein the carrier has a circumferential wall that extends radially inward of the first and second hooks.
Dependencies are inferred from the claim text.