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).
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Inventors:
TAKEUCHI NAOKI (JP)
Application Number:
PCT/JP2018/023642
Publication Date:
January 17, 2019
Filing Date:
June 21, 2018
Export Citation:
Assignee:
MITSUBA CORP (JP)
International Classes:
H02K3/34; F04D5/00; F04D29/60; H02K15/095; H02K15/12
Foreign References:
| JPH0819202A | 1996-01-19 | |||
| JP2007215383A | 2007-08-23 | |||
| JP2011030297A | 2011-02-10 | |||
| JPH10271738A | 1998-10-09 | |||
| JP2016135022A | 2016-07-25 | |||
| JP2014204601A | 2014-10-27 | |||
| JPH0354365U | 1991-05-27 | |||
| JP2010220345A | 2010-09-30 |
Other References:
See also references of EP 3654496A4
Attorney, Agent or Firm:
NISHIZAWA Kazuyoshi et al. (JP)
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