EnerSys has been granted a patent for an electrical transformer featuring parallel-connected primary windings and two sets of electrically isolated secondary windings. The design includes a stacked structure where the secondary windings are interleaved, enhancing efficiency and performance in electrical applications. GlobalData’s report on EnerSys 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 EnerSys, Corrosion resistant battery packaging was a key innovation area identified from patents. EnerSys's grant share as of June 2024 was 46%. Grant share is based on the ratio of number of grants to total number of patents.
Electrical transformer with interleaved primary and secondary windings
The patent US12040121B2 describes an innovative electrical transformer designed to enhance efficiency and functionality in power transfer systems. The transformer features a unique configuration of primary and secondary windings, where the primary windings consist of two components connected in parallel. The secondary windings are divided into two sets, each comprising multiple windings connected in parallel, with the critical distinction that the windings of the first set are electrically isolated from those of the second set. This arrangement allows for an interleaved stacking of the secondary windings, optimizing space and potentially improving performance. The design also includes provisions for connecting the secondary windings in series, with options for multiple output connectors, enhancing versatility in applications.
Additionally, the patent outlines a method for manufacturing this transformer, emphasizing the stackable nature of the windings and their parallel connections. The transformer is particularly suited for use in battery pack equipment for electrically powered vehicles and wireless power transfer systems. Notably, the transformer can incorporate features such as busbars and polymer layers for improved electrical performance and insulation. The claims also specify the number of turns in the windings and the use of Litz wire, which can reduce losses due to skin effect in high-frequency applications. Overall, this patent presents a comprehensive approach to transformer design that could significantly impact the efficiency of electrical systems in various applications.
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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.
