Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Joseph Brostmeyer0
Date of Patent
March 22, 2011
Patent Application Number
11787560
Date Filed
April 17, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
A gas turbine engine with a rotor shaft that is moveable in an axial direction so change a blade tip clearance, where the rotor is displaced by a spring to increase the blade tip clearance and is displaced by a pressure created by the compressor and turbine during engine operation that will close the blade tip clearance. This is especially useful during engine shutdown to prevent blade tip rubbing against the stationary shrouds.
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