Dual stage turbine shroud
First Claim
Patent Images
1. A turbine shroud comprising:
- a support tube including a pair of support hooks extending radially inwardly and a pair of rings extending radially outwardly from said pair of support hooks;
a hanger including only two outer hooks extending radially outwardly in engagement with said pair of support hooks, and further including three inner hooks extending radially inwardly, said hanger further including a panel having said outer hooks at opposite axial ends thereof, wherein said three inner hooks are collectively supported by said two outer hooks, and wherein said panel includes a plurality of girders bridging said two outer hooks above said three inner hooks; and
a shroud segment including three shroud hooks extending radially outwardly in engagement with said three hanger inner hooks.
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Accused Products
Abstract
A turbine shroud includes a shroud hanger having an arcuate panel from which three inner hooks extend inwardly, and from which two outer hooks extend outwardly therefrom. The two outer hooks effect a statically determinate configuration of the shroud.
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Citations
21 Claims
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1. A turbine shroud comprising:
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a support tube including a pair of support hooks extending radially inwardly and a pair of rings extending radially outwardly from said pair of support hooks; a hanger including only two outer hooks extending radially outwardly in engagement with said pair of support hooks, and further including three inner hooks extending radially inwardly, said hanger further including a panel having said outer hooks at opposite axial ends thereof, wherein said three inner hooks are collectively supported by said two outer hooks, and wherein said panel includes a plurality of girders bridging said two outer hooks above said three inner hooks; and a shroud segment including three shroud hooks extending radially outwardly in engagement with said three hanger inner hooks. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A turbine shroud comprising a shroud hanger including an arcuate panel having three inner hooks extending inwardly, and only two outer hooks extending outwardly therefrom, wherein said inner hooks include forward and aft inner hooks disposed at said opposite axial ends of said panel, and a middle inner hook disposed axially therebetween;
- and said outer hooks include forward and aft outer hooks spaced axially from said middle hook and extending outwardly above said forward and aft inner hooks for collectively supporting said three inner hooks, and wherein said panel includes a plurality of girders bridging said two outer hooks across said middle inner hook.
- View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
Specification