AN AIRCRAFT, IN PARTICULAR A PERSONAL AIR MOBILITY AIRCRAFT OR DRONE, AN ANNULAR PROPELLER UNIT, AND A BOAT COMPRISING THIS UNIT
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United States of America Patent
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Issued Date -
May 23, 2024
app pub date -
Mar 3, 2022
filing date -
Mar 24, 2021
priority date (Note) -
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Abstract
An aircraft, in particular a personal air mobility aircraft or a drone, having one or more annular propellers, with one or more blades extending radially from a rotor ring body towards the axis of the rotor ring, and one or more belt transmissions, which connect the rotor ring of each annular propeller with the output shaft of a motor unit including an electric motor. Various aircraft configurations include a vertical take-off and horizontal flight configuration. The aircraft surfaces are covered by groups of photovoltaic solar cells connected to a main battery pack for powering the electric motors that drive the annular propellers, and to an auxiliary electric battery for powering the on-board electrical circuit.
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