Rotor and motor
US10804760B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 15, 2018 |
| Grant date | Oct 13, 2020 |
| Priority date | — |
| Expiry date | Jan 12, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K17/18
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A rotor includes: a cylindrical rotor core fixed to an outer peripheral side of a rotary shaft rotatable about an axis center, the rotor core including multiple first slots arranged at intervals in the peripheral direction of the rotor core and penetrating the rotor core in the axis direction of the rotary shaft, and multiple second slots formed at an inner position of the rotor core with respect to the first slots, arranged at intervals in the peripheral direction of the rotor core, and penetrating the rotor core in the axis direction of the rotary shaft; and a secondary conductor including multiple conductor bars arranged in the first slots and the second slots, and a pair of ring-like end rings arranged at opposite end surfaces of the rotor core and connecting end portions of the multiple conductor bars.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.