Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Paul Robert Gemin0
Nicholas Taylor Moore0
Patrick Michael Marrinan0
Brandon Wayne Miller0
Randy M. Vondrell0
Date of Patent
November 27, 2018
0Patent Application Number
154754010
Date Filed
March 31, 2017
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An aeronautical propulsion system includes a fan having a plurality of fan blades rotatable about a central axis and defining a fan pressure ratio, FPR. The propulsion system also includes an electric motor mechanically coupled to the fan for driving the fan, the electric motor including a number of poles, npoles, and defining a maximum power, P. The relationship between the fan pressure ratio, FPR, of the fan, the number of poles, npoles, of the electric motor, and the maximum power, P, of the electric motor is defined by an equation:
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