Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Michael J. Dorsey0
James T. Hindel0
Kyle H. Deiwert0
James C. Putt0
Date of Patent
July 7, 2009
Patent Application Number
11769774
Date Filed
June 28, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
A method of removing a delay-induced ice accumulation (e.g., an ice cap) from an airfoil's leading-edge region with a zoned electrothermal device. The method comprises delay-rectifying steps which are performed prior to routine-deicing steps. The delay-rectifying steps comprise continuously heating the parting strip (PS), continuously heating the upper fore zone (UF1), and continuously heating the lower fore zone (LF1). These steps efficiently and effectively remove the delay-induced ice accumulation, whereby routine deicing can be resumed.
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