Controlled power fade for battery power devices
US9692157B2 · kind B2 · utility
5Cited by
80References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 5, 2016 |
| Grant date | Jun 27, 2017 |
| Priority date | — |
| Expiry date | Jul 5, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method is provided for operating a power tool having a motor powered by a battery. The method includes: delivering power from the battery to the motor in accordance with an operator input; detecting a condition of the power tool indicating a shutdown of the power is imminent; and fading the power delivered from the battery to the motor, in response to the detected condition, through the use of a controller residing in the power tool.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.