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US 6,551,063 B1Granted
Foil formed structure for turbine airfoil trailing edge
AssigneeGeneral Electric Company
InventorsChing-Pang Lee, Melvin Robert Jackson, Stephen Joseph Ferrigno
Life of this patent
Estimating the term…
Abstract
There is provided a turbine airfoil having a plurality of pressure side bleed slots through which cooling air is discharged. A portion of the slot openings are covered with an outer wall which comprises a high temperature foil.
Claims14
An airfoil having a leading edge and a trailing edge, comprising:
- a pressure side wall extending from said leading edge to said trailing edge;
- a suction side wall spaced apart from said pressure side wall, said suction side wall extending from said leading edge to said trailing edge;
- a slot disposed in said pressure side wall adjacent said trailing edge;
- a land disposed adjacent said slot, said land extending from said pressure side wall to said suction side wall;
- and
- an outer wall attached to said land, said outer wall covering a portion of said slot, wherein said outer wall comprises a high temperature foil.
3 more elements
An airfoil having a leading edge, a trailing edge, a root, and a tip, comprising:
- a pressure side wall extending from said leading edge to said trailing edge;
- a suction side wall extending from said leading edge to said trailing edge;
- an internal cavity between said pressure side wall and said suction side wall;
- a plurality of slots disposed in said pressure side wall adjacent said trailing edge and separated by a plurality of axially extending lands;
- a plurality of trailing edge cooling passages disposed between said internal cavity and said slots, each of said passages having an inlet in fluid communication with said internal cavity and an exit in fluid communication with one of said slots, said passages being bounded by said pressure side wall and said suction side wall, and
- an outer wall attached to said lands, said outer wall covering a portion of said slots, wherein said outer wall comprises a high temperature foil.
3 more elements
Dependencies are inferred from the claim text.