Delta Electronics. has been granted a patent for a multi-phase coupled inductor featuring at least three windings and a magnetic core composed of two magnetic cores and multiple pillars. The design ensures a one-to-one correspondence between the windings and magnetic core units, enhancing efficiency in magnetic field management. GlobalData’s report on Delta Electronics 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 Delta Electronics, Battery management systems was a key innovation area identified from patents. Delta Electronics's grant share as of July 2024 was 68%. Grant share is based on the ratio of number of grants to total number of patents.
Multi-phase coupled inductor with multiple windings and magnetic cores
The patent US12073979B2 describes a multi-phase coupled inductor featuring a unique design that includes at least three windings arranged between two parallel planes. These windings consist of linear portions and are complemented by a magnetic core structure that includes two main magnetic cores and multiple magnetic core pillars. The configuration allows for a one-to-one correspondence between the windings and magnetic core units, which surround the windings and extend in the same direction between the two planes. The design also incorporates enclosed areas formed by the projections of the magnetic core units on the first plane, enhancing the inductor's functionality.
Further claims detail the structural components of the inductor, including the possibility of integral formation of the magnetic cores and pillars, various winding arrangements (such as triangular or rectangular), and the inclusion of conductive plates and isolation plates. The design allows for air gaps between the magnetic core pillars and the main cores, as well as the potential for additional materials or devices to be placed in the gap area. The arrangement of the magnetic core pillars in pairs and the direction of currents through the windings are also specified, indicating a sophisticated approach to managing magnetic flux within the inductor. Overall, the patent outlines a comprehensive and innovative multi-phase coupled inductor design aimed at improving performance in electrical 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.
