Internal Combustion Engine for a Motor Vehicle, in Particular for a Car
AssigneeMercedes-Benz Group AG
InventorDietmar SCHROEER
Life of this patent
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AssigneeMercedes-Benz Group AG
InventorDietmar SCHROEER
Estimating the term…
An internal combustion engine with an exhaust tract and with a secondary air system which has a secondary air conduit through which secondary air can flow in an injection direction. The secondary air can be introduced into the exhaust tract. A valve element is arranged in the secondary air conduit and has a first flow resistance along the injection direction and a greater second flow resistance along an opposite backflow direction, as a result of which a backflow taking place in the backflow direction can be limited. The valve element has a plurality of rotationally symmetrical impact bodies which are arranged consecutively along the injection direction and are connected to one another. The valve element is arranged in a length region of the secondary air conduit which is limited by a structural element of the internal combustion engine which is formed separately from the valve element.
1-10. (cancelled)
An internal combustion engine (12) of a motor vehicle, comprising:
Dependencies are inferred from the claim text.