SEALING DEVICE AND COMPRESSOR

A sealing device includes a ring part, a first fin group that together with a first outer peripheral surface forms a clearance, and a second fin group of which the front end is positioned farther radially inward than the first outer peripheral surface and which together with a second outer periphera...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Nakaniwa, Akihiro, Hirata, Daisuke
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 sealing device includes a ring part, a first fin group that together with a first outer peripheral surface forms a clearance, and a second fin group of which the front end is positioned farther radially inward than the first outer peripheral surface and which together with a second outer peripheral surface forms a clearance. The ring part has a first gas supply channel capable of supplying a first sealing gas to the first fin group, a second gas supply channel capable of supplying a second sealing gas to the second fin group, and a mixed gas discharge channel capable of discharging a mixed gas of the first sealing gas and the second sealing gas from between the first fin group and the second fin group.