Holtec International has been granted a patent for a method to heat primary coolant in a nuclear reactor system during start-up. The process involves drawing coolant from the loop, heating it in a sub-system, and returning it to the loop to reach operating temperature. GlobalData’s report on Holtec International 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 Holtec International, Heat exchanger brazing was a key innovation area identified from patents. Holtec International's grant share as of February 2024 was 75%. Grant share is based on the ratio of number of grants to total number of patents.
Method for heating primary coolant in nuclear reactor system
A recently granted patent (Publication Number: US11901088B2) discloses a method for heating a primary coolant in a nuclear steam supply system to a no-load operating temperature. The method involves filling a primary coolant loop within a reactor vessel and a steam generating vessel, drawing a portion of the primary coolant into a start-up sub-system, heating it to form a heated portion, and injecting it back into the primary coolant loop. The injection of the heated coolant is done directly into a riser pipe within the steam generating vessel, ensuring efficient heating of the primary coolant.
Furthermore, the method includes specific steps such as injecting the heated coolant through an injection nozzle into the riser pipe, ensuring precise control over the flow direction and rate of the primary coolant. The patent also details the flow path of the primary coolant within the system, involving vertical and lateral movements through different components. By continuously heating and mixing the primary coolant until it reaches the desired operating temperature, the method ensures optimal performance of the nuclear steam supply system. Overall, the patented method provides a structured and efficient approach to heating the primary coolant in a nuclear reactor system, enhancing its operational effectiveness and safety.
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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.
