Turbine component connection with thermally stress-free fastener
First Claim
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1. A turbine component assembly for a gas turbine engine, comprising:
- a first component having a first coefficient of thermal expansion and including an end face;
a second component including a mating surface abutting the end face; and
a fastener having a second coefficient of thermal expansion different from the first coefficient of thermal expansion, the fastener including a shank engaging the second component and an enlarged head engaging a mounting slot in the first component;
wherein the mating surface and the end face shaped to permit relative pivoting movement between the first and second components.
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Abstract
A turbine component assembly for a gas turbine engine includes: a first component having a first coefficient of thermal expansion and including an end face; a second component including a mating surface abutting the end face; and a fastener having a second coefficient of thermal expansion different from the first coefficient of thermal expansion, the fastener including a shank engaging the second component and an enlarged head engaging a mounting slot in the first component; wherein the mating surface and the end face shaped to permit relative pivoting movement between the first and second components.
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Citations
26 Claims
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1. A turbine component assembly for a gas turbine engine, comprising:
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a first component having a first coefficient of thermal expansion and including an end face; a second component including a mating surface abutting the end face; and a fastener having a second coefficient of thermal expansion different from the first coefficient of thermal expansion, the fastener including a shank engaging the second component and an enlarged head engaging a mounting slot in the first component; wherein the mating surface and the end face shaped to permit relative pivoting movement between the first and second components. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A turbine nozzle apparatus for a gas turbine engine, comprising:
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an annular inner band; an annular outer band circumscribing the inner band; a plurality of airfoil-shaped structural vanes extending between and interconnecting the inner band and the outer band; and a plurality of airfoil-shaped non-structural vanes extending between the inner band and the outer band, each non-structural vane having a root end received by the inner band and a tip end received by the outer band, wherein one of the tip end and the root end is connected to the respective band by a fastener having a shank engaging the band and an enlarged head engaging a mounting slot in the non-structural vane. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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Specification