Hyundai Motor has patented a valve recovery control apparatus for hydrogen tanks, ensuring stable hydrogen supply to fuel cells. The system suspends fuel cell operation if the excess flow valve is closed, switching the vehicle to electric mode until the valve reopens. 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 May 2024 was 60%. Grant share is based on the ratio of number of grants to total number of patents.
Valve recovery control apparatus for hydrogen tank
A recently granted patent (Publication Number: US12000540B2) discloses a valve recovery control apparatus designed for a hydrogen tank. The apparatus includes an excess flow valve mounted on the tank's outlet, a hydrogen supply line connected to the valve, and a control unit. The control unit is responsible for determining if the excess flow valve is closed based on hydrogen consumption and pressure reduction rates, suspending the fuel cell operation if the valve is closed, and restarting it once the valve reopens. Additionally, the control unit can switch the vehicle to an electric mode until the valve reopens, ensuring continuous operation.
Furthermore, the patent details a method for controlling the valve recovery apparatus, involving the controller determining the valve's state based on hydrogen consumption and pressure reduction rates. The method includes suspending fuel cell operation if the valve is closed and restarting it once the valve reopens. The controller can also switch the vehicle to electric mode during valve closure. The patent also includes provisions for setting minimum consumption levels and pressure reduction rates to determine the valve's state accurately, ensuring efficient operation of the system.
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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.
