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US Patent 7000404 Heat exchanger on a turbine cooling circuit

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Is a
Patent
Patent
1

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
70004041
Patent Inventor Names
Laurent Jablonski1
Laurent Palmisano1
Date of Patent
February 21, 2006
1
Patent Application Number
109001111
Date Filed
July 28, 2004
1
Patent Citations Received
‌
US Patent 12078107 Gas turbine engine
2
Patent Primary Examiner
‌
Ehud Gartenberg
1
Patent abstract

The invention relates to a method of supplying cooling air to the hot portions of a turbojet that comprises, from upstream to downstream: a compressor; a diffuser; a combustion chamber; a distributor; and a turbine driving said compressor, in which method a flow of air is bled from the flow of air delivered by the compressor, the bled-off flow is cooled in a heat exchanger situated radially outside the combustion chamber, and is then directed radially inwards via the stationary blades of the distributor and used for cooling the moving wheel of the turbine, the method wherein the flow of cooling air is bled from the zone of the end of the combustion chamber that surrounds the diffuser, and wherein the stationary blades of the distributor are also cooled by a second flow of air bled from the diffuser.

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