Permanent magnet motor, compressor and air conditioner
US11996733B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2020 |
| Grant date | May 28, 2024 |
| Priority date | — |
| Expiry date | Oct 26, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K2213/03
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A permanent magnet motor, a compressor and an air conditioner are disclosed. The permanent magnet motor has a stator and a rotor. The stator has a stator core and a stator winding. The rotor is spaced apart from the stator in an inner-outer direction. The rotor has a rotor core and a permanent magnet embedded in the rotor core. A maximum distance between an outer peripheral contour of a cross section of the rotor and a center of the cross section of the rotor is D1, an axial length of rotor core is L, and a rated power of permanent magnet motor is P. D 1, L and P satisfy: D1/L≥1.7 and P/(D12×L)≥8.5, and the unit of P is W, and the unit of D1 and L is cm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.