Rotor, spoke type motor, vehicle motor, unmanned flying body, electric assist device, and robot device
US11489380B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 28, 2018 |
| Grant date | Nov 1, 2022 |
| Priority date | — |
| Expiry date | May 1, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K29/03
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
According to one aspect of the present disclosure, a rotor includes a shaft, a rotor core including an inner core and a plurality of outer cores, a mold resin unit covering, the mold resin unit, and a plurality of permanent magnets. The mold resin unit includes a gate mark in a region between the outer cores adjacent to each other in the circumferential direction, and the gate mark is provided in all regions between the adjacent outer cores or in a region between the outer cores, the region being adjacent to a region between the even-numbered adjacent outer cores in which the gate mark is not disposed in all the regions between the adjacent outer cores.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.