METHOD FOR COATING AN EXHAUST PORT AND APPARATUS FOR PERFORMING THE METHOD

The invention relates to a method for coating at least one exhaust port (20) of a cylinder (14) arranged inside a cylinder head (12) of a combustion engine (10), wherein the exhaust port (20) connects the cylinder (14) to an exhaust system (40). One or more surface portions (22a, 22b, 22c) of the cy...

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Bibliographische Detailangaben
1. Verfasser:	TRICOIRE, AURELIEN
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES BLASTING CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL COMBUSTION ENGINES CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES DIFFUSION TREATMENT OF METALLIC MATERIAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LIGHTING MECHANICAL ENGINEERING METALLURGY PERFORMING OPERATIONS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SPRAYING OR ATOMISING IN GENERAL SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a method for coating at least one exhaust port (20) of a cylinder (14) arranged inside a cylinder head (12) of a combustion engine (10), wherein the exhaust port (20) connects the cylinder (14) to an exhaust system (40). One or more surface portions (22a, 22b, 22c) of the cylinder head (12) defining the at least one exhaust port (20) are at least partially coated by spraying material from both the cylinder side and the exhaust system side. The invention relates also to an apparatus performing the method. L'invention porte sur un procédé de revêtement d'au moins un orifice d'échappement (20) d'un cylindre (14), disposé à l'intérieur d'une culasse de cylindre (12) d'un moteur à combustion (10), l'orifice d'échappement (20) reliant le cylindre (14) à un système d'échappement (40). Une ou plusieurs parties de surface (22a, 22b, 22c) de la culasse de cylindre (12) définissant ledit au moins un orifice d'échappement (20) sont au moins partiellement revêtues par pulvérisation d'un matériau à la fois à partir du côté cylindre et du côté système d'échappement. L'invention porte également sur un appareil pour mettre en uvre le procédé.