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US 11,777,182 B2Granted
Power supply device
AssigneePanasonic Energy Co., Ltd.
InventorsTomoyuki Ichiza, Osamu Ohashi
Life of this patent
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Abstract
In a power supply device, a plurality of battery modules are connected in series, the plurality of battery modules including fuse connected in series with battery. In the power supply device, fuse included in the plurality of battery modules is fast-blow fuse.
Claims3
A power supply device comprising
- a plurality of battery modules are connected in series, the plurality of battery modules including a battery and a fuse connected in series with the battery, wherein
- the fuse included in at least one of the plurality of battery modules is a fast-blow fuse,
- wherein a rated voltage of the fast-blow fuse is higher than an output voltage of each of the plurality of battery modules, and is lower than a total voltage obtained by connecting the plurality of battery modules in series,
- wherein the blowing time of the fast-acting fuse is 30 msec or less in a state in which a current is ten times the rated flow current.
1 more element
Dependencies are inferred from the claim text.