Piston ring

A piston ring, in particular a compression piston ring, includes a main body, which has a radially outer running surface, a radially inner circumferential surface, an upper and a lower flank surface, and a joint, wherein the running surface is provided with at least one circumferential recess which...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	ESSER PETER-KLAUS
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CYLINDERS ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING PISTONS SEALINGS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A piston ring, in particular a compression piston ring, includes a main body, which has a radially outer running surface, a radially inner circumferential surface, an upper and a lower flank surface, and a joint, wherein the running surface is provided with at least one circumferential recess which receives a wear-resistant coating, in particular a PVD coating, and wherein, starting from respective end faces of the joint, as seen in the circumferential direction of the main body, a land shoulder is integrally formed on the main body outside the coating and extends at a predetermined radial height over a predetermined circumferential length on both sides of the joint.