OIL CONTROL RING

To provide an oil ring for diesel engines having excellent independency and followability of a pair of rail portions, as well as an excellent function of sealing the side surfaces of a ring groove, a pair of upper and lower, independent, annular rings each having a gap are axially combined in a oil...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KAWANISHI Minoru, KAKEGAWA Satoru
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES BLASTING COMBUSTION ENGINES CYLINDERS CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING PISTONS SEALINGS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	To provide an oil ring for diesel engines having excellent independency and followability of a pair of rail portions, as well as an excellent function of sealing the side surfaces of a ring groove, a pair of upper and lower, independent, annular rings each having a gap are axially combined in a oil control ring; each of the upper and lower rings has rail portions in sliding contact with an inner wall of a cylinder, and receives an annular coil expander for pushing the rail portion to the inner wall of the cylinder; and pluralities of oil-flowing grooves are formed on at least one of the lower side surface of the upper ring and the upper side surface of the lower ring.