Pressure management device for battery pack
US12080903B2 · kind B2 · utility
1Cited by
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16Claims
0Family size
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Key dates
| Filing date | Mar 29, 2020 |
| Grant date | Sep 3, 2024 |
| Priority date | — |
| Expiry date | Aug 16, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A battery pack includes a battery pack housing having a lid joined to an open end via a fluid-impermeable seal. The battery pack further includes a battery module disposed within the battery housing and comprising a plurality of electrochemical cells. In addition, the battery pack includes a pressure compensation device positioned within the battery pack housing, the pressure compensation device having a first bladder fluidly coupled to a second bladder by a primary fitting. The battery pack housing is filled with a dielectric fluid. And further, the pressure compensation device has a second fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.