Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 2, 2021
Patent Application Number
15967831
Date Filed
May 1, 2018
Patent Citations Received
Patent Primary Examiner
Patent abstract
An exemplary tiltrotor aircraft with a hybrid drive system includes a first propulsion system having a first engine and a first supplemental driver operably coupled to a first proprotor that is operable between a helicopter mode and an airplane mode and a second propulsion system having a second engine and a second supplemental driver operably coupled to a second proprotor that is operable between a helicopter mode and an airplane mode.
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