Tenneco has been granted a patent for a mixer designed to mix additives into exhaust gas flow from internal combustion engines. The innovative design includes multiple shells with offset edges to create efficient inflow openings, improving exhaust system performance. 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 April 2024 was 64%. Grant share is based on the ratio of number of grants to total number of patents.
Exhaust gas mixer for internal combustion engine
A recently granted patent (Publication Number: US11965451B2) discloses a mixer designed for an exhaust gas system to effectively mix an additive into the exhaust gas flow of an internal combustion engine. The mixer comprises multiple shells arranged successively around a center axis, each with flow edges forming inflow openings. The shells are connected at a pipe end with a circumferential pipe profile for connection to an exhaust pipe, ensuring efficient mixing of the additive into the exhaust gas flow.
Furthermore, the patent claims detail various features of the mixer, such as the direct connection of shells at the pipe end, the presence of indentations and projections on shell edges for improved flow control, and the integration of the mixer into an exhaust gas treatment system with an injector for additive metering. The system, when integrated into the exhaust gas system of an internal combustion engine, aims to enhance the efficiency of exhaust gas treatment by ensuring proper mixing of additives for emission control.
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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.
