Valve-controlled internal combustion engine
AssigneeDaimler Chrysler AG
InventorsKlaus Joos, Janusz Kwiatowski
Life of this patent
Estimating the term…
Abstract
In a valve-controlled internal combustion engine having a cylinderhead with an exhaust gas passage extending from a combustion chamber and a secondary air duct for supplying secondary air to the exhaust gas passage downstream of an exhaust valve opening, the exhaust gas passage includes a projection just downstream of the exhaust valve opening, which projection extends in the direction of flow of the exhaust gases and forms, with the exhaust passage wall, a pocket which is open towards the exhaust passage and into which the secondary air passage opens for supplying secondary air to the exhaust gas.
Claims3
Valve-controlled internal combustion engine having a cylinderhead including a combustion chamber and an exhaust passage extending from an outlet opening of the combustion chamber to an exhaust duct, a secondary air passage leading to said exhaust passage downstream of said outlet opening in the direction of flow of the exhaust gases, said exhaust passage having a projection just downstream of said outlet opening, said projection extending in the direction of flow of the exhaust gases and forming, in the exhaust passage wall, a pocket, which is open towards the exhaust passage and into which said secondary air passage opens.
Dependencies are inferred from the claim text.