Exhaust system for an internal combustion engine of a motor vehicle as well as motor vehicle
A two-stage air supply system with series-connected air pumps and a valve element addresses the challenge of insufficient combustion air pressure in exhaust systems, ensuring efficient burner operation and stable heating across varying conditions.
DE102024004126B4Active Publication Date: 2026-07-02MERCEDES BENZ GROUP AG
Patent Information
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- MERCEDES BENZ GROUP AG
- Filing Date
- 2024-12-06
- Publication Date
- 2026-07-02
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Abstract
The invention relates to an exhaust system (10) for an internal combustion engine (12) of a motor vehicle, comprising a burner (48) that can be supplied with air and fuel, by means of which a mixture comprising air and fuel is to be burned, comprising an air line (58) through which air can flow, and through which the burner (48) can be supplied with the air flowing through the air line (58), and comprising an air pump (56) arranged in the air line (58), by means of which the air can be conveyed through the air line (58) and conveyed to the burner (48) in order to supply the burner (48) with air, wherein a second air pump (67) connected in series with the air pump (56) is arranged in the air line (58) for conveying the air.
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Citation Information
Patent Citations
Exhaust system for an internal combustion engine, especially of a motor vehicle
DE102019008956A1
Burner for a motor vehicle and motor vehicle with at least one such burner
DE102021001580A1