ThyssenKrupp has filed a patent for a rotor shaft and its production method. The abstract provides a brief overview of the invention, while the claims have been canceled. This patent could potentially introduce innovative technology in the field of rotor shaft manufacturing. GlobalData’s report on ThyssenKrupp 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 ThyssenKrupp, Hydrogen fuel cells was a key innovation area identified from patents. ThyssenKrupp's grant share as of January 2024 was 60%. Grant share is based on the ratio of number of grants to total number of patents.

Rotor shaft production method

Source: United States Patent and Trademark Office (USPTO). Credit: ThyssenKrupp AG

The patent application (Publication Number: US20240035512A1) describes a rotor shaft with a unique design for improved performance. The rotor shaft includes a hollow shaft body with external profiling along its length and internal bead-like profiling parallel to the external profiling. Additionally, the shaft has end portions that terminate the shaft body, with journal portions for added functionality. The method for producing this rotor shaft involves forming a hollow shaft body from a metal semi-finished product, creating the external profiling during or after the forming process, and ensuring the thickness of the profilings meets the final thickness requirements of the shaft body.

The innovative aspect of this rotor shaft lies in its design and production method, which aims to enhance the overall performance and durability of the shaft. By incorporating both external and internal profilings, the shaft is structurally reinforced while maintaining the necessary thickness for optimal functionality. The inclusion of end portions with journal portions further adds to the versatility and practicality of the rotor shaft. Overall, this patent application showcases a novel approach to rotor shaft design and manufacturing, with potential benefits for various applications requiring reliable and efficient shaft components.

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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