Mercedes-Benz Group has been granted a patent for an apparatus involving a bearing assembly for camshafts on a cylinder head of an internal combustion engine. The design allows for easy access and secure locking of the camshafts using a tool inserted into specific recesses, enhancing engine maintenance efficiency. GlobalData’s report on Mercedes-Benz Group 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 Mercedes-Benz Group, Battery management systems was a key innovation area identified from patents. Mercedes-Benz Group's grant share as of April 2024 was 41%. Grant share is based on the ratio of number of grants to total number of patents.

Camshaft bearing assembly tool for internal combustion engine

Source: United States Patent and Trademark Office (USPTO). Credit: Mercedes-Benz Group AG

The granted patent (Publication Number: US11965435B2) discloses an apparatus for an internal combustion engine of a motor vehicle, comprising a bearing assembly of first and second camshafts mounted rotatably on the cylinder head. The first camshaft features a recess on its outer surface for securing against rotation using a tool, while the second camshaft also has a similar recess. The cylinder head hood is attached to the cylinder head and includes through-openings matched with the recesses for tool insertion. Importantly, the wall areas delimiting the through-openings are positioned at different heights in the vertical direction of the engine.

Furthermore, the apparatus includes integrally formed wall areas for the through-openings and can be covered by a component of the internal combustion engine, such as an ignition coil. This design allows for secure locking of the camshafts in place, ensuring efficient operation of the engine. The unique configuration of the apparatus provides a practical solution for maintaining the proper functioning of the camshafts within the engine system, enhancing overall performance and reliability.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

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.