Armature, armature manufacturing method, and rotating electrical device
US10439472B2 · kind B2 · utility
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2Claims
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Key dates
| Filing date | Jul 4, 2016 |
| Grant date | Oct 8, 2019 |
| Priority date | — |
| Expiry date | Oct 11, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K3/28
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An armature manufacturing method includes preparing a core member that includes a rotation shaft at a central portion and that is formed with plural teeth in a radiating shape centered on the rotation shaft; and winding winding wires onto slots between the plural teeth so as to form plural types of winding coil sections, each with a different winding wire diameter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.