Allison Transmission. has been granted a patent for a cooling system designed for battery cell arrays. The system features a housing containing two parallel battery cell arrays, a thermal transfer plate, a dielectric layer, and thermoelectric elements to enhance heat transfer efficiency. GlobalData’s report on Allison Transmission gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Allison Transmission, Hybrid powertrains was a key innovation area identified from patents. Allison Transmission's grant share as of June 2024 was 63%. Grant share is based on the ratio of number of grants to total number of patents.
Battery cooling system with thermal transfer and thermoelectric elements
The patent US12027686B2 describes an innovative apparatus designed for efficient thermal management in battery systems. Central to the design are two battery cell arrays positioned parallel within a housing, complemented by a thermal transfer plate. This plate serves as a critical interface, with a dielectric layer interposed between it and the first battery cell array, enhancing thermal insulation. The apparatus also incorporates a series of thermoelectric elements aligned with both battery arrays, facilitating heat transfer. Notably, the thermoelectric elements can be of the Peltier type, which utilize a heat flux generated by the junctions of different materials to create a temperature differential, thereby optimizing thermal pathways between the battery arrays and the thermoelectric elements.
Further structural details include a hermetically sealed housing that encompasses the battery arrays, with a floor that may also function as the thermal transfer plate. The design allows for the dielectric layer to extend fully beneath both battery arrays, ensuring effective thermal management. Additionally, the apparatus features a controller that regulates the electric current to the thermoelectric elements, enabling dynamic control of the temperature differential. This configuration not only enhances the thermal efficiency of the battery system but also ensures that the thermoelectric elements can be positioned either inside or outside the housing, providing flexibility in design and application. Overall, the patent outlines a comprehensive approach to improving thermal management in battery technologies, which is crucial for performance and longevity.
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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.
