Title:
ELECTRIC MOTOR, POWER DEVICE AND UNMANNED AIRCRAFT USING THE POWER DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/172891
Kind Code:
A1
Abstract:
Disclosed are an electric motor, a power device using the electric motor and an unmanned aircraft. The unmanned aircraft comprises an aircraft body, an electric motor provided on the aircraft body, and a propeller provided on the electric motor. The electric motor comprises a base, a rotor, a rotating shaft and a bearing. The rotor is rotatably sheathed on the base, the rotating shaft has one end thereof fixedly provided on the rotor, and the other end rotatably connected to the base via the bearing. The propeller is connected to the rotating shaft. The bearing comprises an inner ring, an outer ring and a roller, wherein the inner ring is fixedly sheathed on the rotating shaft, the outer ring is fixed provided on the base and surrounds the inner ring, and the roller is movably provided between the inner ring and the outer ring. The outer ring and the base are connected by means of an interference fit. The operation noises of the above-mentioned unmanned aircraft and the electric motor thereof are relatively small.
Inventors:
YE FANGMING (CN)
Application Number:
PCT/CN2015/077878
Publication Date:
November 03, 2016
Filing Date:
April 29, 2015
Export Citation:
Assignee:
SZ DJI TECHNOLOGY CO LTD (CN)
International Classes:
F16C43/08; H02K5/16; H02K1/22
Foreign References:
| CN102130565A | 2011-07-20 | |||
| CN101761584A | 2010-06-30 | |||
| CN203840087U | 2014-09-17 | |||
| CN101615817A | 2009-12-30 | |||
| CN101478204A | 2009-07-08 | |||
| CN201018398Y | 2008-02-06 | |||
| CN101826782A | 2010-09-08 | |||
| US7451543B2 | 2008-11-18 |
Attorney, Agent or Firm:
SHENZHEN SCIENBIZIP INTELLECTUAL PROPERTY AGENCY CO., LTD. et al. (CN)
深圳市赛恩倍吉知识产权代理有限公司 (CN)
深圳市赛恩倍吉知识产权代理有限公司 (CN)
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