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US 2006/0179847 A1Published application
Ejector for cooling air supply pressure optimization
AssigneeUnited Technologies Corporation
InventorsRichard Hoff, James Chrisikos
Life of this patent
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Abstract
A system for optimizing cooling air supply pressure includes a high pressure fluid source which receives bleed air from the exit of a high pressure compressor and a nozzle and ejector assembly for supplying fluid to a point of use at a pressure sufficient to maintain a required cooling airflow and backflow margin at the point of use, and for reducing leakage of the cooling fluid between the high pressure source and the point of use.
Claims5
1-7. (canceled)
A gas turbine engine comprising:
- a turbine blade;
- a blade outer air seal adjacent said turbine blade;
- a chamber containing air bled from a high pressure compressor;
- and
- a nozzle and ejector assembly for delivering air from said chamber at a pressure sufficient to maintain a cooling air flow through said blade outer seal and a back flow margin across said blade outer seal.
2 more elements
Dependencies are inferred from the claim text.