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US 12,385,407 B1Granted
Additively manufactured turbine vane cluster
AssigneeRtx Corporation
InventorsLawrence A. Binek, Paul M. Lutjen, Jose R. Paulino
Life of this patent
Estimating the term…
Abstract
An additively manufactured vane cluster has a platform, a shroud, and airfoils joining the platform to the shroud. The platform has openings, each opening between a respective two of the airfoils and forming accommodating differential thermal expansion of a leading end of the platform relative to a trailing end of the platform.
Claims20
A vane cluster comprising:
- a platform;
- a shroud;
- and
- a plurality of airfoils joining the platform to the shroud,
- wherein:
- the platform, shroud and airfoils are portions of a single piece;
- the platform has a plurality of openings, each opening between a respective two of the airfoils;
- the openings extend from a leading end of the platform toward a trailing end of the platform;
- and
- the openings have a convoluted shape such that in transverse section a radial line has at least four intersections with the platform.
7 more elements
A vane cluster comprising:
- a platform;
- a shroud;
- and
- a plurality of airfoils joining the platform to the shroud,
- wherein:
- the platform has a plurality of openings, each opening between a respective two of the airfoils;
- the openings extend from a leading end of the platform;
- and
- the openings define:
- at a first circumferential side, a channel opening toward an opposite second circumferential side;
- and
- at the second circumferential side a projection into the channel.
9 more elements
A vane cluster comprising:
- a platform;
- a shroud;
- and
- a plurality of airfoils joining the platform to the shroud,
- wherein:
- the platform has a plurality of openings, each opening between a respective two of the airfoils and forming means for accommodating differential thermal expansion of a leading end of the platform relative to a trailing end of the platform.
3 more elements
Dependencies are inferred from the claim text.