A contra-rotating coaxial rotor assembly relating to aerial, as well as aquatic vehicles, comprising a central member, a first and second rotor assembly disposed thereon with a contra-rotating gear assembly coaxially disposed there between. The contra-rotating gear assembly comprising at least one gear operationally coupled to the first rotor assembly, at least one gear operationally coupled to the second rotor assembly, a collar having at least one protrusion, and at least one cogwheel affixed thereto. Each rotor assembly comprising a bearing, at least one length of mast, a rotor disposed along said length of mast, and a friction-reducer operationally engaged to the contra-rotating gear assembly. The second rotor assembly further comprising at least one power translation cogwheel operationally engaged with at least one power transmission cogwheel, which is itself connected to and driven by the output shaft from the engine.
CONTRA-ROTATING COAXIAL ROTOR ASSEMBLY
22.05.2025
Patent
Elektronische Ressource
Englisch
IPC: | B64C AEROPLANES , Flugzeuge |
Electric coaxial multi-rotor helicopter based on contra-rotating double-rotor motor
Europäisches Patentamt | 2021
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