D’Ieteren has been granted a patent for a piece that combines a metal part with an organic matrix composite part. The design includes specific connecting portions and fastening elements to securely join the two components. GlobalData’s report on D’Ieteren 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 D'Ieteren, was a key innovation area identified from patents. D'Ieteren's grant share as of February 2024 was 72%. Grant share is based on the ratio of number of grants to total number of patents.
Fastening metal part to organic composite part with through-hole
The granted patent (Publication Number: US11904387B2) discloses a novel piece comprising a first metal part and a second part made of organic matrix composite material. The first part includes a connecting portion, while the second part features a connecting portion with at least one through-hole. The two parts are fastened together using a metal fastening element that is secured onto the first part through the through-hole of the second connecting portion. Additionally, the first connecting portion includes blind holes that align with the through-holes of the second connecting portion, allowing the fastening element to extend into them for a secure connection.
Furthermore, the patent describes the unique design of the blind holes with inclined side walls, creating a convergent shape from the entrance towards the bottom. The through-holes also feature inclined side walls to form a convergent shape from the fastening element towards the first connecting portion. The fastening element is produced using additive manufacturing through cold gas spray deposition of metal powder. Additionally, a protective layer is placed between the fastening element and the second connecting portion. The piece is of general shape with rotational symmetry and is specifically designed to be used as a combustion chamber jacket in a rocket engine, showcasing its application in the aerospace industry. The patent also covers a rocket engine comprising the described combustion chamber jacket, highlighting the practical implementation of this innovative piece in rocket propulsion systems.
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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.
