PROPELLER, POWER ASSEMBLY, AND AIRCRAFT

WIPO Patent Application WO/2018/086204

A1

A propeller, comprising: a propeller hub (10), and propeller blades (20). The propeller blades (20) are connected to the propeller hub (10). At a distance of 47.37% of the radius of the propeller from the center of the propeller hub (10), the angle of attack of the propeller blades (20) is 20.49° ± 2.5°, and the chord length of the propeller blades (20) is 29.73 mm ± 5 mm. At a distance of 63.16% of the radius of the propeller from the center of the propeller hub (10), the angle of attack of the propeller blades (20) is 16.49° ± 2.5°, and the chord length of the propeller blades (20) is 24.61 mm ± 5 mm. At a distance of 78.95% of the radius of the propeller from the center of the propeller hub (10), the angle of attack of the propeller blades (20) is 13.31° ± 2.5°, and the chord length of the propeller blades (20) is 20.67 mm ± 5 mm. Also provided are a power assembly, and an aircraft. The propeller of the present invention enables structural optimization, and improves flight performance of an aircraft.

WO/2022/233407	PROPELLER FOR DRIVING OF WATERCRAFT
JP2019031275	AIRFOIL AND AIRFOIL MANUFACTURING METHOD
WO/2015/090354	ROTOR WITH TINTED BLADES

LIU FENG (CN)
JIANG BIN (CN)
DENG TAO (CN)

PCT/CN2016/111918

May 17, 2018

December 24, 2016

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SZ DJI TECHNOLOGY CO LTD (CN)

B64C11/20

CN205366054U	2016-07-06
CN104139849A	2014-11-12
CN102963522A	2013-03-13
US4455003A	1984-06-19
JP3472799B2	2003-12-02

SHENZHEN SCIENBIZIP INTELLECTUAL PROPERTY AGENCY CO.,LTD. (CN)

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