Rolls-Royce had 19 patents in 3D printing during Q1 2024. Rolls-Royce Holdings Plc has patented methods for manufacturing fuel spray nozzles and components for gas turbine engines using additive layer manufacturing and support structures to minimize distortion. They have also developed a titanium alloy suitable for gas turbine engine components. Additionally, a pilot arrangement for a gas turbine nozzle has been designed for efficient fuel flow. GlobalData’s report on Rolls-Royce gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Rolls-Royce had no grants in 3D printing as a theme in Q1 2024.
Recent Patents
Application: Fuel spray nozzle for gas turbine engine and method for manufacturing the same (Patent ID: US20240085021A1)
The patent filed by Rolls-Royce Holdings Plc describes a method for manufacturing a fuel spray nozzle for a gas turbine engine using additive layer manufacturing. The method involves forming different sections of the fuel spray nozzle using this technique, with the second section including a metering feature that can be modified using subtractive manufacturing processes to achieve specific dimensions and surface roughness. The final section of the fuel spray nozzle includes a deflector and a spin chamber, all of which are formed using additive layer manufacturing.
Additionally, the patent includes claims related to the manufacturing process, such as modifying internal passageways and surfaces of the sections using subtractive manufacturing processes before forming the subsequent sections. The patent also specifies different subtractive manufacturing processes that can be used for these modifications, such as abrasive flow machining, hydro-cavitation abrasive finishing, and chemical etching. Furthermore, the fuel spray nozzle described in the patent is a single unitary component, with each section being formed through additive layer manufacturing, and it can be used in a combustor for a gas turbine engine.
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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.
