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US 2013/0170962 A1Published application
Forward Step Honeycomb Seal for Turbine Shroud
AssigneeGeneral Electric Company
InventorRohit Chouhan
Life of this patent
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Abstract
The present application provides a stage of a gas turbine engine. The stage may include a bucket, a shroud facing the bucket, and a forward step honeycomb seal on the shroud. The forward step honeycomb seal may include a forward step portion and one or more linear portions.
Claims20
A stage of a gas turbine engine, comprising:
- a bucket;
- a shroud facing the bucket;
- and
- a forward step honeycomb seal on the shroud;
- wherein the forward step honeycomb seal comprises a forward step portion and one or more linear portions.
2 more elements
A method of retrofitting a turbine stage, comprising:
- removing a shroud with a plurality of projections thereon from the turbine stage;
- positioning a forward step honeycomb seal on a replacement shroud;
- positioning the replacement shroud in the turbine stage;
- and
- blocking an air gap between the shroud and a bucket with the forward step honeycomb seal.
2 more elements
A stage of a gas turbine engine, comprising:
- a bucket;
- a shroud facing the bucket;
- and
- a forward step honeycomb seal on the shroud;
- wherein the forward step honeycomb seal comprises a forward step portion, a first linear portion, and a second linear portion with the forward step portion comprising an offset position.
2 more elements
Dependencies are inferred from the claim text.