Ceramic matrix composite seal repair
AssigneeRtx Corporation
InventorRaymond Surace
Life of this patent
Estimating the term…
Abstract
A gas turbine engine includes a seal support that has first and second spaced-apart support flanges and a ceramic matrix composite (CMC) seal that is affixable to the seal support. The support flanges have at least one set of support flange pin holes. The CMC seal includes a radially inwardly-facing side and a radially outwardly-facing side. the radially outwardly-facing side has first and second spaced-apart seal flanges that include two independent sets of support flange pin holes. The CMC seal is affixable to the seal support by alignment of either one of the two independent sets of support flange pin holes with the support flange pin holes and receipt of support pins there through.
Claims13
A gas turbine engine comprising:
- a seal support including first and second spaced-apart support flanges, the first and second support flanges having at least one set of support flange pin holes;
- and
- a ceramic matrix composite (CMC) seal including a radially inwardly-facing side and a radially outwardly-facing side, the radially outwardly-facing side having first and second spaced-apart seal flanges comprising two independent sets of support flange pin holes, each of the two independent sets of support Dange pin holes including a first pair of aligned pin holes and a second pair of aligned pin holes that are circumferentially spaced from the first pair of aligned pin holes, wherein the CMC seal is affixable to the seal support by alignment of either one of the two independent sets of support flange pin holes with the at least one set of support flange pin holes and receipt of support pins there through.
-20. (canceled)
Dependencies are inferred from the claim text.