Vane for jet engine mid-turbine frame
AssigneeUnited Technologies Corporation
InventorJohn E. Wilber
Life of this patent
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Abstract
A mid-turbine frame (MTF”) for a jet engine is disclosed and comprises a duct that extends between a high pressure turbine (“HPT”) and a low pressure turbine (“LPT”), the duct comprising a plurality of segments that together form an outer annular structure and an inner annular structure, the inner annular structure situated radially inward of the outer annular structure, and/or a plurality of vanes that extend radially outward from the inner annular structure toward the outer annular structure, each vane comprising a channel. Each segment may be coupled to an adjacent segment by a seal.
Claims15
An apparatus comprising:
- a radially outward segment portion;
- a radially inward segment portion;
- a vane that extends between the radially outward segment portion and the radially inward segment portion.
A mid-turbine frame (“MTF”) for a jet engine comprising:
- a duct that extends between a high pressure turbine (“HPT”) and a low pressure turbine (“LPT”), the duct comprising a plurality of segments that together form an outer annular structure and an inner annular structure, the inner annular structure is situated radially inward of the outer annular structure;
- and
- a vane that extend radially outward from the inner annular structure through the outer annular structure.
Dependencies are inferred from the claim text.