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Title:
HUB DYNAMO
Document Type and Number:
WIPO Patent Application WO/2019/049729
Kind Code:
A1
Abstract:
To resolve the occurrence of abnormal noise from a laminated yoke due to rotation. A first yoke 120A is disposed on one side of a coil bobbin 110 in an axial direction thereof and a second yoke 120B is disposed on the other side of the same, to configure a stator main body 101A. A first holder 160A is disposed on the other side of the stator main body in the axial direction thereof, a second holder 160B is disposed on the one side of the same, a tip 121a of an outer circumferential side magnetic pole part 121 of the first yoke is disposed in a retaining groove 163 of the first holder, and a tip 121a of an outer circumferential side magnetic pole part 121 of the second yoke is disposed in a retaining groove 163 of the second holder. The tip of each outer circumferential side magnetic pole is clamped tightly by a pair of holding walls 162 provided on both sides of each retaining groove 163.

Inventors:
CHIKARAISHI,Makoto (2681 Hirosawa-cho 1-chome, Kiryu-sh, Gunma 55, 〒3768555, JP)
UEHARA,Shuji (2681 Hirosawa-cho 1-chome, Kiryu-sh, Gunma 55, 〒3768555, JP)
TAKASE,Junichi (2681 Hirosawa-cho 1-chome, Kiryu-sh, Gunma 55, 〒3768555, JP)
NAKANISHI,Takashi (2681 Hirosawa-cho 1-chome, Kiryu-sh, Gunma 55, 〒3768555, JP)
TANABE,Takuto (2681 Hirosawa-cho 1-chome, Kiryu-sh, Gunma 55, 〒3768555, JP)
Application Number:
JP2018/031741
Publication Date:
March 14, 2019
Filing Date:
August 28, 2018
Export Citation:
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Assignee:
MITSUBA CORPORATION (2681, Hirosawa-cho 1-chome Kiryu-sh, Gunma 55, 〒3768555, JP)
International Classes:
H02K21/22; B62J6/02; H02K1/18
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (First Shin-Osaka MT Bldg. 2nd Floor, 5-13-9 Nishinakajima Yodogawa-ku, Osaka-sh, Osaka 11, 〒5320011, JP)
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