Cordless power tools with a universal controller and tool and battery identification
US9878432B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 4, 2011 |
| Grant date | Jan 30, 2018 |
| Priority date | — |
| Expiry date | Aug 13, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49002
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A handheld power tool having an electric motor held in a power tool body and a universal controller in the power tool body in communication with the electric motor. The universal controller is in communication with an electronic component that defines a tool type identifier in the power tool body. The handheld power tool also has a battery pack releasably attachable to the power tool body, the battery pack having an on-board electronic identifier. The universal controller has a plurality of different operational control modes for a plurality of different tool types and a plurality of different battery packs with different battery characteristics. The controller can automatically select an appropriate control mode based on the tool type identifier and the battery pack identifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.