Title:
直動電動機
Document Type and Number:
Japanese Patent JP6826525
Kind Code:
B2
Abstract:
To provide a direct-acting electric motor capable of improving thrust characteristics of the direct-acting electric motor in comparison with the conventional one while suppressing costs.SOLUTION: A direct-acting electric motor is provided with: a columnar armature on which a plurality of coils are arrayed in a circumferential direction; and a magnetic pole surrounding the armature. The magnetic pole has a plurality of magnetic pole blocks equipped with iron cores and a plurality of permanent magnets. The iron cores of the respective magnetic pole blocks are arranged opposite to the coils of the armature. The respective permanent magnets of the magnetic blocks open the opposite surface with the coils to surround the iron cores. In the respective magnetic pole blocks, the plurality of permanent magnets are arranged by turning the same magnetic poles to the iron cores.SELECTED DRAWING: Figure 1
Inventors:
Shunpei Hayashi
Takuya Matsumoto
Tokuyama Takashi
Takuya Matsumoto
Tokuyama Takashi
Application Number:
JP2017253949A
Publication Date:
February 03, 2021
Filing Date:
December 28, 2017
Export Citation:
Assignee:
KABUSHIKI KAISHA KOBE SEIKO SHO
International Classes:
H02K41/03
Domestic Patent References:
| JP2007143335A | ||||
| JP2014504129A | ||||
| JP2007282350A | ||||
| JP2007006545A | ||||
| JP2016163366A |
Attorney, Agent or Firm:
Yosuke Koreeda