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US 2015/0315918 A1Published application
Shrouded turbine blade with cut corner
AssigneeUnited Technologies Corporation
InventorsEric S. Savage, Christopher Corcoran
Life of this patent
Estimating the term…
Abstract
A method includes determining a vibration characteristic of a shrouded turbine blade, which includes an airfoil attacked to a shroud. A corner of the shrouded turbine blade can be removed after determining the vibration characteristic.
Claims20
A method comprising:
- determining a vibration characteristic of a shrouded turbine blade that comprises an airfoil attached to a shroud;
- and
- removing a corner of the shrouded turbine blade after determining the vibration characteristic.
A shrouded turbine blade comprising:
- a airfoil having an outer end;
- and
- an outer shroud attached to the outer end, wherein the outer shroud comprises:
- a first mate face having a first z-lock shape;
- a second mate face opposite the first mate face and having a second z-lock shape that is complementary to the first z-lock shape;
- a leading edge;
- and
- a machined cut on a corner of the outer shroud extending from the leading edge to the second mate face.
5 more elements
A shrouded turbine blade comprising:
- a airfoil having an airfoil leading edge;
- and
- an outer shroud attached to an outer end of the airfoil, wherein the outer shroud comprises:
- a first mate face;
- a second mate face opposite the first mate face;
- an outer shroud leading edge positioned axially forward of the airfoil leading edge;
- and
- a diagonal edge of the outer shroud extending from the outer shroud leading edge to the second mate face, wherein the diagonal edge connects to the second mate face axially aft of the airfoil leading edge.
5 more elements
Dependencies are inferred from the claim text.