Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Christopher R. Joe0
Daniel A. Ward0
Date of Patent
May 24, 2016
0Patent Application Number
136354210
Date Filed
March 31, 2010
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An aircraft engine for use in a low-bypass turbofan application has a high pressure turbine having a blade and an engine casing disposed about the blade. A shield is disposed around the casing adjacent to the blade to create an area between the shield and the casing. A gate selectively controls entry of cooling air into the area and may be closed if the engine is maneuvering and may be open if cruising.
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