RTX has been granted a patent for a gas turbine engine assembly featuring a case with a port, a conduit extending through it, and a bushing made of cellular material. The bushing is positioned between the conduit and a boss on the case wall, enhancing structural integrity. GlobalData’s report on RTX 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 RTX, Photovoltaic drones was a key innovation area identified from patents. RTX's grant share as of July 2024 was 65%. Grant share is based on the ratio of number of grants to total number of patents.
Gas turbine engine assembly with cellular material bushing
The patent US12071855B2 describes an innovative assembly for gas turbine engines, focusing on the integration of a conduit and a bushing within the engine case. The assembly includes a gas turbine engine case featuring a case wall and a boss at a port. A conduit extends longitudinally through this port into the engine's interior. The bushing, made from a cellular material, encircles the conduit and is positioned between the conduit and the boss. This design allows for the bushing to engage the conduit through a sleeve, providing structural support and facilitating movement in both longitudinal and lateral directions relative to the engine case.
The claims further detail the bushing's functionality, emphasizing its role in dampening vibrations—both longitudinal and lateral—of the conduit. The bushing can be fixed to either the conduit or the boss, ensuring stability. The cellular material used in the bushing may consist of metal or composite mesh, enhancing its durability and performance. Additionally, the design allows for the bushing to be seated against a shelf within the port, and the case wall is configured to extend circumferentially around an axis that is offset from the conduit’s centerline. The assembly is particularly applicable to exhaust cases in gas turbine engines, showcasing a comprehensive approach to managing structural integrity and vibration control in high-performance engine 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.
