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US 6,886,548 B2Granted
Internal combustion engine
AssigneesVolkswagen Aktiengesellschaft, OMT, Inc.
InventorsGerrit Suck, Günter Söhlke, Detlev Repenning
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AssigneesVolkswagen Aktiengesellschaft, OMT, Inc.
InventorsGerrit Suck, Günter Söhlke, Detlev Repenning
Estimating the term…
An internal combustion engine having a cylinder and a piston movable in the cylinder, the cylinder and piston defining a combustion chamber enclosed by the cylinder and the piston, a surface of at least one of at least one component of the combustion chamber and an adjoining space that comes into contact with at least one of a fuel-air mixture to be combusted and with motor oil has, at least in certain areas, a catalytic coating for oxidizing carbonization residues, the coating consists of a ternary vanadium oxide compound and at least one other compound of at least one metal oxide, the metal oxide is at least one of the group consisting of a cerium oxide, an oxide of another rare-earth metal, an oxide of lanthanum (La), and an oxide of a transition metal.
An internal combustion engine, comprising a cylinder and a piston movable in the cylinder, the cylinder and piston defining a combustion chamber enclosed by the cylinder and the piston, a surface of at least one of at least one component of the combustion chamber and an adjoining space that comes into contact with at least one of a fuel-air mixture and with motor oil is at least partially coated with a catalytic coating for oxidizing carbonization residues, the coating consists of a ternary vanadium oxide compound and at least one other compound of at least one metal oxide, the metal oxide is at least one of the group consisting of a cerium oxide, an oxide of another rare-earth metal, an oxide of lanthanum (La), and an oxide of a transition metal.
Dependencies are inferred from the claim text.