Permanent magnet synchronous motor, rotor of the same, and compressor using the same
US7772736B2 · kind B2 · utility
6Cited by
4References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 5, 2007 |
| Grant date | Aug 10, 2010 |
| Priority date | — |
| Expiry date | Sep 3, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K21/46
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The inventive self-initiated permanent magnet synchronous motor has a rotor that has two-pole permanent magnets, as well as magnetic substances in a peripheral direction between the magnetic poles of the permanent magnets. The present invention provides a high-efficiency, high-torque permanent magnet synchronous motor with an improved power factor, its rotor, and a compressor using the permanent magnet synchronous motor, without a reduction in the maximum torque and an increase in costs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.