Title:
PROPELLER, POWER ASSEMBLY AND AIRCRAFT
Document Type and Number:
WIPO Patent Application WO/2019/019343
Kind Code:
A1
Abstract:
Disclosed is a propeller comprising a propeller hub (10) and a propeller blade (20), the propeller blade (20) being connected on the propeller hub (10). At a distance of 40% of the radius of the propeller from the centre of the propeller hub (10), the angle of attack of the propeller blade (20) is 18.94° ± 2.5°, and the chord length of the propeller blade (20) is 16.33 mm ± 5 mm. At a distance of 60% of the radius of the propeller from the centre of the propeller hub (10), the angle of attack of the propeller blade (20) is 14.72° ± 2.5°, and the chord length of the propeller blade (20) is 12.42 mm ± 5 mm. At a distance of 80% of the radius of the propeller from the centre of the propeller hub (10), the angle of attack of the propeller blade (20) is 10.02° ± 2.5°, and the chord length of the propeller blade (20) is 9.27 mm ± 5 mm. The propeller structure increases flight performance of an aircraft. Further disclosed are a power assembly and an aircraft.
Inventors:
LIU YIHAN (CN)
JIANG BIN (CN)
DENG TAO (CN)
JIANG BIN (CN)
DENG TAO (CN)
Application Number:
PCT/CN2017/103922
Publication Date:
January 31, 2019
Filing Date:
September 28, 2017
Export Citation:
Assignee:
SZ DJI TECHNOLOGY CO LTD (CN)
International Classes:
B64C11/20
Foreign References:
| CN205469778U | 2016-08-17 | |||
| CN205345321U | 2016-06-29 | |||
| CN206141830U | 2017-05-03 | |||
| CN206297727U | 2017-07-04 | |||
| CN205891216U | 2017-01-18 | |||
| GB899252A | 1962-06-20 |
Attorney, Agent or Firm:
SHENZHEN SCIENBIZIP INTELLECTUAL PROPERTY AGENCY CO. , LTD. (CN)
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