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US 2016/0102577 A1Published application
Power turbine cooling air metering ring
AssigneePW Power Systems, Inc.
InventorsFernando K. Grant, John J. Korzendorfer, Fabian D. Betancourt
Life of this patent
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Abstract
A power turbine section for a gas turbine engine includes a heat shield assembly mounted to a bearing support to form a first annular compartment and a second annular compartment.
Claims20
A power turbine section for a gas turbine engine comprising:
- a bearing support;
- and
- a heat shield assembly mounted to said bearing support to form a first annular compartment and a second annular compartment.
A power turbine section for a gas turbine engine comprising:
- an inlet case along an axis;
- a power turbine vane array mounted to said inlet case;
- a bearing support mounted to said power turbine vane array;
- a heat shield mounted to said bearing support;
- and
- a metering ring mounted to said bearing support to form a first annular compartment between said heat shield and said metering ring, and a second annular compartment between said metering ring and said bearing support.
3 more elements
A method of communicating a cooling airflow within a power turbine, comprising:
- communicating a cooling airflow from a compressor section through an air strut;
- communicating the cooling flow into a first annular compartment between a heat shield and a metering ring;
- and
- communicating the cooling airflow from the first annular compartment through the metering ring into a second annular compartment between the metering ring and a bearing support.
1 more element
Dependencies are inferred from the claim text.