Peugeot has been granted a patent for a mixer and exhaust system. The invention involves a mixer with a swirling structure that creates a swirling movement of exhaust, improving efficiency. The design includes a doser mounting base, attachment with a chamber portion and deflector portion, and specific structural elements for optimal performance. GlobalData’s report on Peugeot 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 Peugeot, Battery management systems was a key innovation area identified from patents. Peugeot's grant share as of February 2024 was 73%. Grant share is based on the ratio of number of grants to total number of patents.

Exhaust system mixer with swirling structure for swirling exhaust movement

Source: United States Patent and Trademark Office (USPTO). Credit: Peugeot SA (Inactive)

A recently granted patent (Publication Number: US11913369B2) discloses a novel mixer design for exhaust systems. The mixer comprises a pipe with an opening, a doser mounting base connected to the pipe, and an attachment with a swirling structure that creates a swirling movement of exhaust. The attachment includes a chamber portion with a cylindrical member and a deflector portion with a deflecting member. The deflecting member consists of a first catching plate and a second catching plate, forming a unique swirling structure within the mixer.

Furthermore, the patent also covers an exhaust system incorporating the mixer, a doser for injecting a reductant spray, and a doser mounting base. The exhaust system features a chamber portion with a cylindrical member and a deflector portion with a deflecting member, similar to the mixer design. The doser is strategically positioned to coincide with the axis of the chamber portion, ensuring efficient mixing of exhaust gases and reductant spray. Additionally, the patent details various configurations of the deflecting member, controlling plate, and connecting structures, all aimed at optimizing the swirling movement within the mixer and enhancing exhaust treatment efficiency.

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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.