Rotary electric machine
US11658524B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 9, 2018 |
| Grant date | May 23, 2023 |
| Priority date | — |
| Expiry date | Jul 12, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K5/24
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided is a rotary electric machine that is able to suppress vibration noise of the rotary electric machine caused by an out-of-plane deformation. The rotary electric machine includes a stator including a frame being an annular member, and a plurality of split cores arranged in an annular shape and fitted to and held by a radially inner portion of the frame, wherein the frame is formed such that an inner diameter of each of both end portions thereof is smaller than an inner diameter of an axial middle portion thereof, and fitting fastening force between the frame and each split core is set to be greater at both the end portions than at the axial middle portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.