Title:
MOTOR
Document Type and Number:
WIPO Patent Application WO/2017/219259
Kind Code:
A1
Abstract:
A motor (1), comprising a stator (12), a rotor (14) and a first bearing (16); a shell (121) of the stator (12) has a top wall (122) and a bottom wall (123) opposite to each other, side walls (124), and a first opening (125) formed on the top wall (122); a rotating shaft (141) of the rotor (14) has a first magnetic unit (142); a first outer surface (143) of the first magnetic unit (142) is provided with multiple first magnetic pole surfaces (S1) and multiple second magnetic pole surfaces (S2) which are alternately arranged and have different magnetic poles; the first bearing (16) is disposed at a first opening (125) and has a first groove (161), and the first magnetic unit (142) is located in the first groove (161); the first groove (161) has a first inner surface (162) facing the first outer surface (143); the first inner surface (162) is provided with multiple third magnetic pole surfaces (S3) and multiple fourth magnetic pole surfaces (S4) which are alternately arranged and have different magnetic poles; the magnetic poles of the first magnetic pole surfaces (S1) are the same as those of the third magnetic pole surfaces (S3), and the magnetic poles of the second magnetic pole surfaces (S2) are the same as those of the fourth magnetic pole surfaces (S4). The motor has excellent energy conversion efficiency.
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Inventors:
LIN SHENG-LIAN (CN)
Application Number:
PCT/CN2016/086655
Publication Date:
December 28, 2017
Filing Date:
June 22, 2016
Export Citation:
Assignee:
LIN SHENG-LIAN (CN)
International Classes:
H02K1/22; H02K5/04
Foreign References:
| CN204103625U | 2015-01-14 | |||
| CN101752918A | 2010-06-23 | |||
| CN102111026A | 2011-06-29 | |||
| US20060103249A1 | 2006-05-18 | |||
| US20090033174A1 | 2009-02-05 |
Attorney, Agent or Firm:
GUANGZHOU SHENGLIHUA-IP AGENT LTD. (CN)
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