Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
December 13, 2011
Patent Application Number
11962758
Date Filed
December 21, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
An internal heating arrangement for a centrifugal impeller for a gas turbine engine is provided having at least one heating passage extending through into the rotor for directing air bled from the rotor exit along the backface and forwardly through the impeller.
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