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US 2016/0258322 A1Published application
Integrated inner case heat shield
AssigneeUnited Technologies Corporation
InventorsJoshua Daniel Winn, Anthony P. Cherolis, Steven D. Porter, Christopher Treat, Kevin Zacchera
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Abstract
A mid-turbine frame for a gas turbine engine according to an example of the present disclosure includes, among other things, a first frame case, a flange coupled to the first frame case, and a heat shield adjacent to the flange and between adjacent spokes. A method of cooling a portion of a gas turbine engine is also disclosed.
Claims20
A mid-turbine frame for a gas turbine engine, comprising:
- a first frame case;
- a flange coupled to the first frame case;
- and
- a heat shield adjacent to the flange and between adjacent spokes.
1 more element
A gas turbine engine, comprising:
- a mid-turbine frame axially between a first turbine and a second turbine, the mid-turbine frame comprising:
- a plurality of airfoils radially between an inner frame case and an outer frame case;
- a plurality of flanges coupled to the inner frame case;
- a plurality of conduits between the inner and outer frame cases, the plurality of conduits coupled to the plurality of flanges;
- and
- a plurality of localized heat shields each corresponding to one of the plurality of flanges.
3 more elements
A method of cooling a portion of a gas turbine engine, comprising:
- directing cooling airflow through an inlet between a turbine case and a heat shield;
- directing cooling airflow from the inlet to a cavity;
- and
- wherein the cavity is defined between the heat shield and a flange, and the cavity is defined between the heat shield and a conduit coupled to the flange.
1 more element
Dependencies are inferred from the claim text.