Impact tool
US9321164B2 · kind B2 · utility
11Cited by
10References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 25, 2012 |
| Grant date | Apr 26, 2016 |
| Priority date | — |
| Expiry date | Jul 16, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K7/145
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An impact comprising: a motor (20) defined as a brushless DC motor; a battery (130); a cooling fan (90); a driving current providing device (70) which provides current from the battery (130) to the motor (20); and a controller (60) which controls the driving current providing device (70). The motor (20), the controller (60) and the driving current providing device (70) are arranged adjacently to each other and are cooled by the cooling air generated by the cooling fan (90).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.