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Patent Searching and Data


Title:
PROPELLER, POWER ASSEMBLY, AND AIRCRAFT
Document Type and Number:
WIPO Patent Application WO/2018/086204
Kind Code:
A1
Abstract:
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.

Inventors:
LIU FENG (CN)
JIANG BIN (CN)
DENG TAO (CN)
Application Number:
PCT/CN2016/111918
Publication Date:
May 17, 2018
Filing Date:
December 24, 2016
Export Citation:
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Assignee:
SZ DJI TECHNOLOGY CO LTD (CN)
International Classes:
B64C11/20
Foreign References:
CN205366054U2016-07-06
CN104139849A2014-11-12
CN102963522A2013-03-13
US4455003A1984-06-19
JP3472799B22003-12-02
Attorney, Agent or Firm:
SHENZHEN SCIENBIZIP INTELLECTUAL PROPERTY AGENCY CO.,LTD. (CN)
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