Mid turbine frame (MTF) for a gas turbine engine
First Claim
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1. A static case structure for a gas turbine engine comprising:
- an outer ring;
an inner ring;
a multiple of airfoils between said outer ring and said inner ring; and
a spring biased tie-rod assembly mounted through at least one of said multiple of airfoils, said spring biased tie-rod assembly including a tie rod and a split retainer with mating sections that form a frustro-conical aperture, said split retainer capturing an end section of said tie rod.
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Abstract
A static structure of a gas turbine engine according to an exemplary aspect of the present disclosure includes a multiple of airfoil sections between an outer ring and an inner ring. A spring biased tie-rod assembly is mounted through at least one of the multiple of airfoil sections.
24 Citations
12 Claims
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1. A static case structure for a gas turbine engine comprising:
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an outer ring; an inner ring; a multiple of airfoils between said outer ring and said inner ring; and a spring biased tie-rod assembly mounted through at least one of said multiple of airfoils, said spring biased tie-rod assembly including a tie rod and a split retainer with mating sections that form a frustro-conical aperture, said split retainer capturing an end section of said tie rod. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A static case structure for a gas turbine engine comprising:
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an annular duct; a plurality of airfoils situated in a circumferentially-spaced arrangement in said annular duct; a tie-rod securing at least one of said airfoils in said annular duct, said tie-rod including a flared end section; a split ring; and a spring situated between first and second spring seats, said first spring seat adjacent said split ring and said second spring seat adjacent a wall of said annular duct, said spring biasing said split ring against said flared end section of said tie rod through said first spring seat. - View Dependent Claims (10, 11, 12)
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Specification