Hand-held electric power tool
US10836027B2 · kind B2 · utility
3Cited by
6References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 29, 2018 |
| Grant date | Nov 17, 2020 |
| Priority date | — |
| Expiry date | Dec 7, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25F5/001
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A hand-held power tool includes a housing, a motor having a motor shaft, and a fan mounted onto the motor shaft and driven by the motor. The fan has a plurality of large and small fan blades arranged in a staggered form on a surface of the fan. Such arrangement of the fan blades effectively improve the heat dissipation efficiency of the power tool.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.