Hyundai Motor has patented a moving object design with a unique battery system to protect the converter. The system includes two batteries, a converter, a protector, and a processor to control voltage output based on predetermined conditions. GlobalData’s report on Hyundai Motor 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 Hyundai Motor, Battery management systems was a key innovation area identified from patents. Hyundai Motor's grant share as of January 2024 was 47%. Grant share is based on the ratio of number of grants to total number of patents.

Battery protection system for moving objects

Source: United States Patent and Trademark Office (USPTO). Credit: Hyundai Motor Co

A recently granted patent (Publication Number: US11888343B2) discloses a moving object designed to protect a converter, featuring a first battery and a second battery with higher voltage output. The converter converts voltage from the first battery to provide to the second battery, with a protector controlling the first battery's voltage based on a protection condition. A processor determines the required first battery output when the protection condition is met, considering a target voltage difference and the moving object's control request, subsequently managing the first battery's output. Additionally, the protector is deactivated when a release condition is reached, set higher than the protection condition, allowing the processor to adjust the first battery output based on the control request.

Furthermore, the patent details a method for safeguarding a converter in a moving object, involving voltage conversion from the first battery to the higher-voltage second battery. The protector regulates the first battery's voltage upon reaching a protection condition, while the processor calculates the necessary first battery output based on the target voltage difference and control request. In cases where the protection condition is not met, the processor determines the required first battery output without the protector's operation. The method also includes provisions for managing power distribution to load devices, such as a wheel motor, based on the converter's power output, ensuring efficient operation and protection of the system. Overall, the patent highlights innovative techniques for optimizing battery usage and protecting critical components in moving objects.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

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.