PISTON ASSEMBLY FOR ALERNATIVE COMPRESSOR

The present invention refers to a piston/cylinder assembly for alternative compressor, wherein the piston performs a reciprocating movement inside the cylinder, wherein piston surface (1 ) and cylinder surface have a surface roughness parameter Rpk of less than about 60 nm and a surface roughness pa...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	SILVERIO, MARCIO
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING HEATING INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES ORMATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHERTHAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04 LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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Beschreibung
Zusammenfassung:	The present invention refers to a piston/cylinder assembly for alternative compressor, wherein the piston performs a reciprocating movement inside the cylinder, wherein piston surface (1 ) and cylinder surface have a surface roughness parameter Rpk of less than about 60 nm and a surface roughness parameter Rvk of less than 100 nm; and said piston surface (1 ) receives a coating comprising at least a support layer 2 and at least a DLC layer (3).