Patent · US Active

Rechargeable tool battery, mains-operable hand-held power tool, and tool system

US10461557B2 · kind B2 · utility

0Cited by

5References

12Claims

0Family size

Assignee

Hilti Aktiengesellschaft · LI

Inventors

Bernd Ziegler · Ludwigshafen, DE
Holger Cecchin · Puchheim, DE
Ralf Meixner · Germaringen, DE

Key dates

Filing date	Mar 10, 2016
Grant date	Oct 29, 2019
Priority date	—
Expiry date	Apr 21, 2036

Classification

Technology area (CPC H)Electricity
CPC primaryH02M7/04
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A rechargeable tool battery (200), in particular for supplying a hand-held power tool (100), including a rechargeable tool battery housing (290), inside which a secondary cell battery (210) having a nominal cell voltage (UN) is situated, the rechargeable tool battery (200) including a rechargeable battery DC-DC converter (220), integrated into the rechargeable tool battery housing (290), which is electrically connected to the secondary cell battery (210), and is designed for raising the nominal cell voltage (UN) to a supply voltage (UV) which is tappable at a rechargeable tool battery terminal (295) of the rechargeable tool battery (200).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.