State Power Investment has been granted a patent for an integrated passive reactor system with a secondary side passive residual heat removal system. The system includes a pressure vessel, containment vessel, and reactor core, ensuring efficient and safe operation. GlobalData’s report on State Power Investment 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 State Power Investment, AI-assisted video analysis was a key innovation area identified from patents. State Power Investment's grant share as of February 2024 was 53%. Grant share is based on the ratio of number of grants to total number of patents.
Integrated passive reactor system with secondary heat removal loop
The granted patent (Publication Number: US11894151B2) describes an integrated passive reactor system that includes a pressure vessel, a containment vessel, and a reactor core. The system features a secondary side passive residual heat removal system loop, comprising a primary loop heat exchanger inside the pressure vessel and a passive residual heat removal heat exchanger outside the containment vessel. The primary loop heat exchanger is positioned above the reactor core, while the passive residual heat removal heat exchanger is located in a water tank fixed outside the containment vessel. These components are connected by inlet and outlet pipelines, ensuring efficient heat exchange within the system.
Furthermore, the integrated passive reactor system includes a unique top double-layer structure within the pressure vessel, with a first-layer shell enclosing a first space and a second-layer shell enclosing a second space. A pressurizer is installed within the second-layer shell, along with a surge pipe connecting it to the first-layer shell. Multiple primary loop-related pipelines are connected to the second-layer shell, with their upper ends extending above the shell. Additionally, the system incorporates isolation valves in the heat exchanger outlet pipeline, primary loop pipelines, and between the second-layer shell and the containment vessel, enhancing safety and control measures within the reactor system. The patent also mentions the possibility of having multiple series of the secondary side passive residual heat removal system loop, indicating scalability and redundancy in the design.
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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.
