BATTERY FOR A HANDHELD MACHINE TOOL AND METHOD FOR PRODUCING A BATTERY FOR A HANDHELD MACHINE TOOL
First Claim
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1. A battery unit for a handheld machine tool comprising:
- a plurality of battery cells, with at least one of the battery cells being an isolation battery cell; and
a fire protection jacket comprising an intumescent material,wherein said 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.
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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.
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Citations
13 Claims
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1. A battery unit for a handheld machine tool comprising:
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a plurality of battery cells, with at least one of the battery cells being an isolation battery cell; and a fire protection jacket comprising an intumescent material, wherein said 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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for the production of a battery unit for a handheld machine tool comprising:
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providing a number of battery cells, with at least one of the battery cells being an isolation battery cell; providing a fire protection jacket showing intumescent material; and at least partially surrounding the isolation battery cells with a fire protection jacket wherein the isolation battery cell is surrounded by the fire protection jacket at a predetermined temperature such that the isolation battery cell is thermally insulated.
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Specification