GS Yuasa has been granted a patent for a method to control a power supply system in moving bodies. The method involves detecting abnormalities in multiple energy storage devices and activating a current breaker for at least one device only when all devices are found to be abnormal. GlobalData’s report on GS Yuasa 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 GS Yuasa, Hydrogen storage alloys was a key innovation area identified from patents. GS Yuasa's grant share as of July 2024 was 38%. Grant share is based on the ratio of number of grants to total number of patents.
Power supply control method for moving body energy storage
The patent US12059962B2 outlines a method for controlling a power supply system in a moving body, which includes multiple energy storage apparatuses connected in parallel to a load. The method involves detecting abnormalities in each energy storage apparatus and determining if all apparatuses are affected. The current breaker of at least one apparatus is activated only when all show signs of abnormality. Additionally, if some apparatuses are found to be abnormal, their current breakers are switched to a cut-off state, while those without abnormalities remain energized. The method also specifies that the type of abnormality influences which current breakers are activated, particularly distinguishing between issues in the energy storage device and the management part.
Further claims detail specific scenarios involving overcharging and the management of current breakers based on the nature of the detected abnormalities. For instance, if all energy storage apparatuses are overcharged, the system can energize the breakers of at least two apparatuses while cutting off others. The method also includes safety measures, such as issuing a warning to stop the moving body when all apparatuses are abnormal and prohibiting their use if the engine stops. Additionally, it addresses the need to cut off current when the charge exceeds a predetermined limit, ensuring the system operates safely and efficiently under various conditions. The patent also describes a power supply system that incorporates these methods, featuring a control part responsible for monitoring and managing the energy storage apparatuses.
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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.
