Title:
電磁コイルの製造方法
Document Type and Number:
Japanese Patent JP7285926
Kind Code:
B2
Abstract:
An eletromagnetic coil, a mold, and an electromagnetic coil manufacturing method. The eletromagnetic coil comprises an annular main body, and an inner peripheral wall of the annular main body comprises multiple claw poles arranged at intervals in a circumferential direction. The electromagnetic coil further comprises an encapsulation layer, and the encapsulation layer is capable of encapsulating an upper annular wall, a lower annular wall, and an outer peripheral wall of the annular main body. The encapsulation layer is not disposed between the claw poles, and is formed by injection molding of a resin material. In the electromagnetic coil provided in the present invention, the encapsulation layer is not disposed between the claw poles of the inner peripheral wall of the annular main body, such that after moisture having entered the interior of the coil can be discharged therefrom within a short time.
Inventors:
Europe and Yang
Wang Chun Lin
Akira Lee
Wang Chun Lin
Akira Lee
Application Number:
JP2021529837A
Publication Date:
June 02, 2023
Filing Date:
November 29, 2019
Export Citation:
Assignee:
ZHEJIANG SANHUA INTELLIGENT CONTROLS CO., LTD.
International Classes:
H01F7/08; B29C33/12; B29C45/14; B29C45/26; F25B41/35
Domestic Patent References:
| JP2013229994A | ||||
| JP7037718A | ||||
| JP9063835A | ||||
| JP6335226A | ||||
| JP2018143049A |
Foreign References:
| CN104283397A | ||||
| WO2018051989A1 | ||||
| CN108119699A | ||||
| CN1361582A |
Attorney, Agent or Firm:
Patent Attorney Fukami Patent Office