Inverter device and electric power tool
US8964429B2 · kind B2 · utility
5Cited by
4References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2012 |
| Grant date | Feb 24, 2015 |
| Priority date | — |
| Expiry date | Mar 14, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M7/53871
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An inverter device includes: an inverter circuit configured to perform ON/OFF operations with a preset duty cycle to convert a DC power into an AC power and output the AC power to an AC motor; and a controller configured to change a duty cycle of the ON/OFF operations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.