Piston ring

The utility model provides a thereby restrain the piston ring that the burnt gas passed the airtight form of the non - overlap area messenger durability improvement of first tongue and second tongue. This piston ring possesses: main part (10a), it extends along the circumference around axis (CL), fi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HIDEAKI NISHIDA, TATSUO ISHIGURO, TAKASHI OTOWA, NOBUAKI SATOU
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:The utility model provides a thereby restrain the piston ring that the burnt gas passed the airtight form of the non - overlap area messenger durability improvement of first tongue and second tongue. This piston ring possesses: main part (10a), it extends along the circumference around axis (CL), first tongue (12), its one end (10b) from main part (10a) is extended to the other end (10c), and these first tongue (12) just are formed with in one side along the gomphosis groove (12c) that circumference is extended in the direction along axis (CL) in the radial outside of main part (10a), second tongue (13), its other end (10c) from main part (10a) extends to one end (10b), these second tongue (13) through with gomphosis groove (12c) thus gomphosis and first tongue (12) form opening (11) together, respective outer peripheral face (12d, 13d) of first tongue (12) and second tongue (13) forms along the drum shape that radially bloats to the outside.