Provided are a rotor, and a propeller driving device and an aircraft using same. The propeller driving device includes: a housing in which an upper cover and a lower cover having a plurality of through holes are respectively coupled to an upper portion and a lower portion of a cylindrical case; a stator arranged inside the case; a rotor arranged at a distance from the stator; and a rotary shaft connected to the rotor through a plurality of bridges and having both ends rotatably supported by an upper bearing and a lower bearing positioned at respective centers of the upper cover and the lower cover, wherein inner cooling of a motor is formed by an air flow passage that passes through a plurality of through holes of the upper cover and the lower cover and a plurality of spaces formed between the plurality of bridges.
ROTOR, AND PROPELLER DRIVING DEVICE AND AIRCRAFT USING THE SAME
2024-06-20
Patent
Electronic Resource
English
ROTOR, AND PROPELLER DRIVING DEVICE AND AIRCRAFT USING SAME
European Patent Office | 2024
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European Patent Office | 2022
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