Vane arc segment with thermal insulation element
Number of patents in Portfolio can not be more than 2000
United States of America
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Nov 26, 2024
Grant Date -
Apr 6, 2023
app pub date -
Nov 28, 2022
filing date -
Nov 28, 2022
priority date (Note) -
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Abstract
Disclosed is a method of reducing play in a vane arc segment. The vane arc segment includes an airfoil piece that defines first and second platforms and a hollow airfoil section that has an internal cavity and that extends between the first and second platforms. The first platform defines a gaspath side, a non-gaspath side, and a radial flange that projects from the non-gaspath side. Support hardware supports the airfoil piece via the radial flange, and a thermal insulation element is located adjacent the radial flange. The method includes performing a light scan of the radial flange to produce a digital three-dimensional model of the radial flange, and then machining the thermal insulation element in accordance with the digital three-dimensional model to provide a low-tolerance fit between the radial flange and the thermal insulation element that limits play between the airfoil piece and the thermal insulation element.
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