Patent · US Active

Battery for a handheld machine tool and method for producing a battery for a handheld machine tool

US10833300B2 · kind B2 · utility

5Cited by

1References

18Claims

0Family size

Assignee

Hilti Aktiengesellschaft · LI

Inventors

Benno Verhaag · Fürstenfeldbruck, DE
Bernd Ziegler · Ludwigshafen, DE
Hubert Ludwig · Landsberg am Lech, DE
Michael Brandner · Landsberg am Lech, DE
Klaus HAUSER · Pfänderhof, DE

Key dates

Filing date	Jul 16, 2015
Grant date	Nov 10, 2020
Priority date	—
Expiry date	Jul 16, 2035

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/4911
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The battery unit according to the invention for a handheld machine tool comprises a number of battery cells, with at least one of the battery cells being embodied as an isolation battery cell, and showing a fire protection jacket comprising an intumescent material. The fire protection jacket surrounds the isolation battery cell at least partially such that the isolation battery cell is surrounded by the fire protection jacket at a predetermined temperature such that the isolation battery cell is thermally insulated.

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