Segment-core coupled body and method of manufacturing armature
US11616407B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 22, 2018 |
| Grant date | Mar 28, 2023 |
| Priority date | — |
| Expiry date | Mar 15, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K2213/03
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided is a segment-core coupled body, including a plurality of segment cores each including a core back and a tooth; and a plurality of coupling portions configured to couple the core backs to one another, wherein the plurality of segment cores and the plurality of coupling portions are each a laminated body of magnetic sheets, wherein the plurality of coupling portions each include: a posture holding portion adjacent to a gap defined between adjacent core backs; a first thin portion configured to couple one corner portion of the adjacent core backs and the posture holding portion; and a second thin portion configured to couple another corner portion of the adjacent core backs and the posture holding portion, and wherein, the posture holding portion projects toward a radially outer side with respect to the adjacent core backs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.