BAE Systems had 16 patents in batteries during Q2 2024. BAE Systems Plc has developed a battery system with battery modules that include a plurality of cells connected in parallel groups and series. These modules feature current limiting elements for improved reliability and impedance balancing for continuity assurance testing. The housing of the modules has openings for each cell, and the current limiting elements can be passive or active, integrated into busbars connected to the cells. GlobalData’s report on BAE Systems gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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BAE Systems had no grants in batteries as a theme in Q2 2024.
Recent Patents
Application: Impedance balancing and continuity assurance for current limiting element in parallel path for prevention of thermal runaway propagation in battery system, packs and modules (Patent ID: US20240204267A1)
The patent filed by BAE Systems Plc discloses a battery system with a unique battery module design. The battery module consists of multiple cells grouped in parallel and connected in series within a housing. Each group of cells is equipped with current limiting elements to prevent thermal runaway in case of a short circuit. The configuration also includes passive current limiting elements to ensure equal distribution of current flow among cells and improve overall reliability. Additionally, the module allows for continuity testing of parallel connections to detect any blown fuses or broken connections, enhancing safety and maintenance efficiency.
Furthermore, the patent includes claims related to the structure and testing methods of the battery module. These claims detail the integration of passive current limiting elements, such as fuses, to prevent thermal runaway and ensure equal current distribution. The method described involves applying test signals to the current limiting elements and using sensing circuits to detect any faults, such as blown fuses or broken connections. The patent also covers the design of busbars for connecting battery cells, incorporating integrated current limiting fuse portions and active switch devices for controlling the loop structure. Overall, the patent focuses on enhancing the safety, reliability, and maintenance of battery modules through innovative design and testing methods.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
