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US 11,702,949 B2Granted
Turbine shroud assembly with forward and aft pin shroud attachment
AssigneeROLLS-ROYCE plc
InventorsTed J. Freeman, Aaron D. Sippel, David J. Thomas
Life of this patent
Estimating the term…
Abstract
A turbine shroud assembly adapted for use with a gas turbine engine includes a carrier, a seal segment, and a mount assembly. The carrier is configured to be coupled to a turbine case. The seal segment is shaped to define a gas path boundary of the shroud assembly. The mounting assembly is configured to couple the seal segment to the carrier.
Claims20
A turbine shroud assembly adapted for use with a gas turbine engine, the turbine shroud assembly comprising
- a carrier shaped to include an outer wall that extends circumferentially relative to an axis, a forward support wall, an aft support wall spaced axially from the forward support wall, a first intermediate support wall located axially between the forward support wall and the aft support wall, and a second intermediate support wall located axially between the first intermediate support wall and the aft support wall, the forward support wall, the aft support wall, the first intermediate support wall, and the second intermediate support wall each extending radially inward from the outer wall,
- a seal segment comprising ceramic matrix composite materials, the seal segment shaped to include a runner that extends circumferentially partway around the axis, a forward mount flange that extends from the runner into a forward space between the forward support wall and the first intermediate support wall, and an aft mount flange that extends from the runner into an aft space between the aft support wall and the second intermediate support wall, and
- a mount assembly including a forward pin that extends axially through the forward mount flange of the seal segment into both the forward support wall and the first intermediate support wall and an aft pin circumferentially aligned with and aft of the forward pin that extends axially through the aft mount flange of the seal segment into both the aft support wall and the second intermediate support wall.
A turbine shroud assembly adapted for use with a gas turbine engine, the turbine shroud assembly comprising
- a carrier shaped to include an outer wall that extends circumferentially relative to an axis, a first support wall, a second support wall spaced axially from the first support wall, and a third support wall located between the first support wall and the second support wall, and wherein the first support wall, the second support wall, and the third support wall extend radially inward from the outer wall,
- a seal segment shaped to include a runner that extends circumferentially partway around the axis, a first mount flange that extends from the runner into a space between the first support wall and the third support wall of the carrier, and an second mount flange that extends from the runner into a second space between the second support wall and the third support wall of the carrier, and
- a mount assembly including a first pin that extends axially through the first mount flange of the seal segment into both the first support wall and the third support wall of the carrier and a second pin that extends axially through the second mount flange of the seal segment into both the second support wall and the third support wall of the carrier.
A method comprising
- providing a carrier, a seal segment, and a mount assembly, the carrier including an outer wall that extends circumferentially at least partway about an axis, a first support wall that extends radially inward from the outer wall, a second support wall spaced axially from the first support wall that extends radially inwardly from the outer wall, and a third support wall located axially between the first support wall and the second support wall that extends radially inwardly from the outer wall, the seal segment including a runner that extends circumferentially partway around the axis, a first mount flange that extends radially outward from the runner, and a second mount flange that extends radially outward from the runner, and the mount assembly including a first pin and a second pin,
- locating the seal segment adjacent to the carrier so that the first mount flange is between the first support wall and the third support wall of the carrier and the second mount flange is between the second support wall and the third support wall of the carrier,
- inserting the first pin into the first support wall, the first mount flange, and the third support wall, and
- inserting the second pin into the second support wall, the second mount flange, and the third support wall such that the second pin is circumferentially aligned with the first pin.
1 more element
Dependencies are inferred from the claim text.