Holtec International. has been granted a patent for an induced draft air-cooled condenser designed for steam condensing applications. The system features inclined tube bundles, a fan with a motor housed in a protective enclosure, and a cooling mechanism that draws ambient air to cool the motor without heating it. 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 July 2024 was 53%. Grant share is based on the ratio of number of grants to total number of patents.
Induced draft air-cooled condenser for steam condensing applications
The patent US12072151B2 describes an induced draft air-cooled condenser designed for efficient cooling operations. The condenser features a vertical centerline axis and a support structure that holds a pair of inclined tube bundles, each containing multiple tubes. These tube bundles create an interior space that allows for fluid communication with ambient air. A fan, positioned above this interior space, is equipped with blades housed within an annular fan shroud. The fan is driven by a motor located inside the shroud, which is coupled to the fan blades. This configuration enables the fan to draw ambient air through the tube bundles into the interior space. Additionally, the design includes a horizontal planar fan bridge that supports both the fan and motor, allowing personnel to access these components safely. The fan bridge is anchored by a peripheral fan deck that encircles the fan shroud, providing structural support.
Further details of the condenser's design include a protective enclosure for the motor, which is insulated and features an air inlet and outlet to facilitate airflow. An air inlet duct connects the enclosure to the fan shroud, enhancing the cooling efficiency by drawing ambient air through the motor enclosure. The motor is strategically positioned closer to the vertical centerline axis than the fan shroud, and a gear box is included to facilitate the rotation of the fan blades. The fan is identified as an axial flow fan, and the fan bridge is designed with a laterally-widened central portion for added support. Overall, the patent outlines a comprehensive design aimed at improving the functionality and accessibility of air-cooled condensers in various applications.
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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.
