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US 10,329,931 B2Granted
Stator assembly for a gas turbine engine
AssigneeUnited Technologies Corporation
InventorsRichard K. Hayford, Philip Robert Rioux
Life of this patent
Estimating the term…
Abstract
A stator assembly includes a platform located on a radially inner end of a plurality of vanes that connects a first vane to a second vane. There is a platform groove on a radially inner side of the platform between the first vane and the second vane.
Claims18
A stator assembly comprising:
- a platform located on a radially inner end of a plurality of vanes connecting a first vane to a second vane;
- and
- a platform groove on a radially inner side of the platform between the first vane and the second vane, wherein the platform groove is spaced from a radially outer side of the platform;
- and
- a bridge portion extending along a distal end of the platform groove and including a crack, wherein the crack extends between a radially inner side of the bridge portion and a radially outer side of the bridge portion.
2 more elements
A stator assembly for a gas turbine engine comprising:
- a platform located on a radially inner end of a plurality of vanes;
- a platform groove on a radially inner side of the platform between a first vane and a second vane;
- and
- a bridge portion extending along a distal end of the platform groove and including a crack wherein the crack extends between a radially inner side of the bridge portion and a radially outer side of the bridge portion.
1 more element
A method of forming a stator assembly comprising:
- forming a plurality of vanes with a platform located on a radially inner end;
- forming a platform groove between a first vane and a second vane, wherein the platform groove is spaced from a radially outer side of the platform and the platform groove is located on a radially inner side of the platform;
- forming a bridge portion in the platform extending along a distal end of the platform groove;
- and
- cracking the bridge portion.
2 more elements
Dependencies are inferred from the claim text.