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US 2013/0156553 A1Published application
Honeycomb seal and method
AssigneeNuovo Pignone S.p.A.
InventorsNicola Mitaritonna, Giuseppe Vannini
Life of this patent
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Abstract
A seal for a turbo machine is provided. The seal includes a plurality of honeycomb cells, at least one circumferential groove within the plurality of honeycomb cells, and at least one swirl brake within the at least one groove.
Claims10
A seal for a turbo machine, the seal comprising:
- a plurality of honeycomb cells;
- at least one circumferential groove within the plurality of honeycomb cells;
- and
- at least one swirl brake within the at least one groove.
1 more element
A turbo machine comprising:
- a turbo machine stator;
- a turbo machine rotor rotatable relative to the turbo machine stator;
- and
- a seal between the stator and the rotor;
- wherein the seal comprises a plurality of honeycomb cells, a groove within the plurality of honeycomb cells, and at least one swirl brake within the groove.
2 more elements
A method of manufacturing a seal for a turbo machine, the method comprising:
- forming a groove in a seal body of the seal;
- forming a plurality of honeycomb cells in the seal body;
- and
- providing at least one swirl brake within the groove.
1 more element
Dependencies are inferred from the claim text.