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Closed-loop air cooling system for a turbine engine

United States Patent

August 8, 2000
View the Complete Patent at the US Patent & Trademark Office
Method and apparatus are disclosed for providing a closed-loop air cooling system for a turbine engine. The method and apparatus provide for bleeding pressurized air from a gas turbine engine compressor for use in cooling the turbine components. The compressed air is cascaded through the various stages of the turbine. At each stage a portion of the compressed air is returned to the compressor where useful work is recovered.
North; William Edward (Winter Springs, FL)
Siemens Westinghouse Power Corporation (Orlando, FL)
08/ 627,561
April 4, 1996
GOVERNMENT INTEREST This invention was made with government support under a Contract DE-AC21-94MC30247 awarded by the Department of Energy. The government has certain rights in this invention.