Title:
POWER DEVICE AND UNMANNED AERIAL VEHICLE
Document Type and Number:
WIPO Patent Application WO/2020/015257
Kind Code:
A1
Abstract:
A power device (100) and an unmanned aerial vehicle (1000). The power device (100) comprises a motor (20) and a propeller (10) mounted on the motor (20). The propeller (10) comprises a propeller hub (11) and at least two propeller blades (12) connected to the propeller hub (11). The motor (20) comprises a stator assembly (22) and a rotor assembly (21) rotatable relative to the stator assembly (22). The rotor assembly (21) comprises a motor shaft (212), a housing (211) sleeved on the motor shaft (212) and rotatable with the motor shaft (212), and a magnet (213) provided on an inner side wall of the housing (211). The stator assembly (22) comprises a stator seat (221) sleeved on the motor shaft (212), an iron core (222) sleeved on the stator seat (221), and a coil (2221) wound on the iron core (222). The iron core (222) and the coil (2221) are accommodated in the housing (211), and are spaced apart from the magnet (213). The housing (211) comprises an opening portion (2114), and the propeller hub (11) covers the opening portion (2114). The invention prevents rain or dust from entering the internal part of a motor, and has good waterproof and dustproof performance.
Inventors:
LUO DONGDONG (CN)
ZHANG HAILANG (CN)
SUN WEI (CN)
ZHANG HAILANG (CN)
SUN WEI (CN)
Application Number:
PCT/CN2018/114691
Publication Date:
January 23, 2020
Filing Date:
November 09, 2018
Export Citation:
Assignee:
AUTEL ROBOTICS CO LTD (CN)
International Classes:
B64C27/14; B64D27/26
Foreign References:
| CN204223187U | 2015-03-25 | |||
| CN108609171A | 2018-10-02 | |||
| CN205574287U | 2016-09-14 | |||
| CN206782066U | 2017-12-22 | |||
| CN207530648U | 2018-06-22 | |||
| US9080720B2 | 2015-07-14 |
Attorney, Agent or Firm:
AFD CHINA INTELLECTUAL PROPERTY LAW OFFICE (CN)
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