Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
August 24, 2010
Patent Application Number
11456629
Date Filed
July 11, 2006
Patent Citations Received
Patent Primary Examiner
Patent abstract
A nacelle inlet lip (22) for an aircraft engine (16) comprises a structural body (30) and an ice protection system (60). The ice protection system (60) comprises a plurality of ice-protectors (62, 64, 66) independently controllable to allow inner zones (52, 54, 56) to be operated in different modes, different power levels, different time intervals and/or different energy amounts. In this manner, an inner aft zone (52), an inner mid zone (54), and an inner aft zone (56) can be anti-iced and/or de-iced to best preserve desired airflow patterns, to minimize ice particle shed size, and to optimize power consumption.
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