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US 2010/0247329 A1Published application
Turbine blade assemblies with thermal insulation
AssigneeGeneral Electric Company
InventorVictor MORGAN
Life of this patent
Estimating the term…
Abstract
A turbine blade assembly for a gas turbine includes a spar with raised ribs, a spacer with a plurality of protrusions mounted around the spar, and an outer shell mounted around the spacer. The protruding portions on the spacer surround the raised ribs on the spar. The protruding portions of the spacer act to space the interior surfaces of the outer shell away from the spar to provide a thermal insulation layer of cooling air.
Claims20
A blade assembly for a turbine, comprising:
- a spar having a plurality of raised ribs which extend along exterior sides of the spar;
- a spacer mounted around the exterior sides of the spar and having a plurality of protruding portions that surround the raised ribs of the spar;
- and
- an outer shell mounted around the spacer.
1 more element
A method of assembling a blade assembly for a turbine, comprising:
- mounting a spacer having a plurality of protruding portions on a spar having a plurality of raised ribs which extend along exterior sides of the spar such that the protruding portions of the spacer surround the raised ribs;
- and
- mounting an outer shell around the spacer.
Dependencies are inferred from the claim text.