Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 11, 2022
Patent Application Number
15906013
Date Filed
February 27, 2018
Patent Citations Received
Patent Primary Examiner
Patent abstract
A thrust producing unit for producing thrust in a predetermined direction, comprising at least two rotor assemblies and a shrouding that accommodates at most one of the at least two rotor assemblies, wherein the shrouding defines a cylindrical air duct that is axially delimited by an air inlet region and an air outlet region, and wherein the air inlet region exhibits in circumferential direction of the cylindrical air duct an undulated geometry.
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