Motor controlling device, compressor, air conditioner and refrigerator
US7650760B2 · kind B2 · utility
34Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 21, 2004 |
| Grant date | Jan 26, 2010 |
| Priority date | — |
| Expiry date | Mar 25, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B30/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A motor controller (101) according to the invention comprises an inverter circuit (3) for driving a brushless motor (4) and a control unit for controlling the rotational speed of the brushless motor (4) by controlling the phase of the motor current of the brushless motor (4) through the inverter circuit (3).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.