Title:
ELECTRIC MOTOR
Document Type and Number:
Japanese Patent JP2019075848
Kind Code:
A
Abstract:
To provide an electric motor capable of increasing the number of magnetic fluxes occurring in a gap between an armature and a needle compared to the conventional art.SOLUTION: An electric motor comprises: an armature having an armature coil; and a needle. The needle comprises a plurality of magnetic pole blocks. Each magnetic pole block comprises: an iron core arranged to oppose the armature; and a plurality of permanent magnets. The respective permanent magnets open opposed surfaces with the armature and surround the iron cores. In the respective magnetic pole blocks, the plurality of permanent magnets are arranged so that the same magnetic poles face the iron cores.SELECTED DRAWING: Figure 1
Inventors:
LIN JIUN-PING
TOKUYAMA TAKASHI
MIYAZAKI TAKESHI
TOKUYAMA TAKASHI
MIYAZAKI TAKESHI
Application Number:
JP2017198452A
Publication Date:
May 16, 2019
Filing Date:
October 12, 2017
Export Citation:
Assignee:
KOBE STEEL LTD
International Classes:
H02K1/27; H02K41/03
Domestic Patent References:
| JP2007143335A | 2007-06-07 | |||
| JP2009011023A | 2009-01-15 | |||
| JP2009089595A | 2009-04-23 | |||
| JP2017147904A | 2017-08-24 |
Foreign References:
| WO2016152559A1 | 2016-09-29 | |||
| WO2016084204A1 | 2016-06-02 |
Attorney, Agent or Firm:
Yosuke Koreeda