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US 2014/0227078 A1Published application
Mid-turbine frame vane assembly support with retention unit
AssigneeUnited Technologies Corporation
InventorJaisukhlal V. Chokshi
Life of this patent
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Abstract
A mid-turbine frame for a gas turbine engine includes a vane assembly supported within a case. The vane assembly directs airflow between a first turbine and a second turbine. A support rod extends through the vane assembly and is secured to the case by a retaining nut. The retaining nut extends through a guide attached to the vane assembly for aligning the vane assembly relative to the case portion.
Claims14
A gas turbine engine assembly comprising:
- an engine case;
- a first turbine supported for rotation about an engine axis;
- a second turbine spaced axially apart from the first turbine and rotatable about the engine axis;
- a vane assembly supported within the engine case between the first turbine and the second turbine;
- a support extending through the vane assembly;
- a retention nut attached to the support and secured to the engine case;
- a guide engaged to the retention nut for restraining the vane assembly relative to the engine case.
4 more elements
A mid-turbine frame for a gas turbine engine comprising:
- a case portion;
- a vane assembly supported within the case portion for directing core airflow between a first turbine and a second turbine;
- a support rod extending through the vane assembly;
- a retaining nut attached to the support rod and secured to the an outer surface of the case portion;
- and
- a guide attached to the vane assembly and receiving a portion of the retaining nut for aligning the vane assembly relative to the case portion.
3 more elements
Dependencies are inferred from the claim text.