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Patent Searching and Data


Title:
STATOR, FUEL PUMP UNIT, AND FUEL PUMP UNIT MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/012944
Kind Code:
A1
Abstract:
A stator is provided with: a stator core (81) having a back yoke (97), a plurality of teeth (99) formed side by side in the circumferential direction of the back yoke (97), and a plurality of stator slots (93) formed between the plurality of teeth (99) adjacent in the circumferential direction (θ); an insulator (83) covering end surfaces of the plurality of teeth (99) in the axial direction (Z) and the inner peripheral surfaces of the plurality of stator slots (93); and a plurality of coils (85) wound between predetermined stator slots (93) with the insulator (83) interposed therebetween. The insulator (83) is provided with a projection portion (115) bent and extended toward the back yoke (97) side from both end sides of a flange portion (103) of the teeth (99) in the circumferential direction (θ).

Inventors:
TAKEUCHI Naoki (2681 Hirosawa-cho 1-chome, Kiryu-sh, Gunma 55, 〒3768555, JP)
Application Number:
JP2018/023642
Publication Date:
January 17, 2019
Filing Date:
June 21, 2018
Export Citation:
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Assignee:
MITSUBA CORPORATION (2681, Hirosawa-cho 1-chome Kiryu-sh, Gunma 55, 〒3768555, JP)
International Classes:
H02K3/34; F04D5/00; F04D29/60; H02K15/095; H02K15/12
Foreign References:
JPH0819202A1996-01-19
JP2007215383A2007-08-23
JP2011030297A2011-02-10
JPH10271738A1998-10-09
JP2016135022A2016-07-25
JP2014204601A2014-10-27
JPH0354365U1991-05-27
JP2010220345A2010-09-30
Attorney, Agent or Firm:
NISHIZAWA Kazuyoshi et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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