Tenneco. has been granted a patent for an exhaust device featuring a casing with an inlet and outlet, an exhaust conduit with perforations and protrusions, and an absorptive material. The design ensures an interference fit between the conduit and the absorptive material, preventing relative movement along the longitudinal axis. GlobalData’s report on Tenneco 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 Tenneco, Piston head combustion chambers was a key innovation area identified from patents. Tenneco's grant share as of July 2024 was 64%. Grant share is based on the ratio of number of grants to total number of patents.
Exhaust device with absorptive material and interference fit
The granted patent US12071875B2 describes an innovative exhaust device designed to enhance the management of exhaust gases. The device features a casing with an inlet and outlet, creating a chamber that houses an exhaust conduit aligned along a longitudinal axis. This conduit is characterized by its inner and outer surfaces, a series of perforations that allow gas flow, and at least one protrusion that extends outwardly. An absorptive material is affixed to the outer surface of the conduit, with its ends oriented towards the inlet and outlet of the casing. A plate is also attached to the conduit, creating a slot that facilitates fluid communication with the chamber. The design ensures that the perforations are strategically located between the inlet and the absorptive material, while the protrusions create an interference fit that stabilizes the absorptive material against the conduit.
Further claims expand on the exhaust device's features, including the arrangement of perforations and protrusions, which can be configured in various ways to optimize performance. The protrusions may be dome-shaped and can be formed through methods such as punching or welding. The patent also specifies that the absorptive material can fully enclose the perforations, enhancing its effectiveness. Additionally, the device may include a partition plate to further support the structure. Overall, the design aims to improve the efficiency of exhaust gas management by ensuring a secure fit and effective interaction between the components, thereby potentially reducing emissions and enhancing performance in various 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.
