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Title:
Motor stator
Document Type and Number:
Japanese Patent JP6072294
Kind Code:
B2
Abstract:
A motor stator structure includes multiple teeth 20, 20', 20" and multiple arched bridge sections 30, 30', 30" respectively connected between the tooth roots 21 of the adjacent teeth. Each of the arched bridge sections 30, 30', 30" has an arched section 31, 31' extending along two adjacent sides of a predetermined parallelogram. The motor stator structure further includes multiple enlarged sections a respectively positioned at the tooth roots of the teeth 20, 20', 20". Each of the arched bridge sections 30, 30', 30" is positioned outside the range of the corresponding enlarged section a. The motor stator structure is composed of multiple small stators 10" stacked on each other. At least two punched splits 40" are respectively positioned between the tooth roots of two adjacent teeth 20" to separate the adjacent teeth 20". The space of two ends of the arched bridge section is enlarged to increase the pass space of magnetic field.

Inventors:
Yoshihiro Zhang
Bunbai
Application Number:
JP2015548160A
Publication Date:
February 01, 2017
Filing Date:
October 12, 2013
Export Citation:
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Assignee:
Yoshihiro Zhang
Bunbai
International Classes:
H02K1/14
Domestic Patent References:
JP2003164089A
JP11220841A
JP3124245A
JP1160333A
JP200867527A
Foreign References:
US20120074797
CN202616892U
Attorney, Agent or Firm:
sk patent corporation
Akihiko Okuno
Hiroyuki Ito