Sierra Nevada has been granted a patent for a composite core assembly with an innovative attachment rail design. The assembly includes a composite core structure with interconnected cells and an attachment rail featuring planar surfaces integrated into the core structure. This design eliminates net edge facets and flat edges, improving structural integrity. GlobalData’s report on Sierra Nevada 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 Sierra Nevada, IoT network security was a key innovation area identified from patents. Sierra Nevada's grant share as of February 2024 was 55%. Grant share is based on the ratio of number of grants to total number of patents.
Composite core assembly with attachment rail for support structure
A recently granted patent (Publication Number: US11891172B2) discloses a composite core assembly designed for use in turbine blades, rotor blades, or wing structures. The assembly includes a composite core structure with interconnected cells and ribbon corrugations, along with attachment rails that are integrated into the core structure. These attachment rails consist of planar members arranged at an angle, extending outward from the perimeter edge of the core structure in the direction of the ribbon corrugations. The design allows for improved structural integrity and attachment capabilities in aerospace applications.
Furthermore, the patent details variations in the attachment rail configuration, including options for the planar members to be integrally formed or separate components, as well as the possibility of multiple attachment rails spaced along the perimeter edge. The planar members can be shaped in a T-shape or an L-shape, providing flexibility in design while maintaining structural strength. Additionally, the interconnected cells within the core structure can have cross-sectional shapes such as hexagonal or hat-shaped, further enhancing the overall performance and durability of the composite core assembly. Overall, this patented technology offers innovative solutions for enhancing the efficiency and reliability of composite structures in aerospace 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.
