STEAM TURBINE

The present invention is directed to a steam turbine provided with moving blades which are less affected by erosion and fretting wear due to water and have high strength reliability. The moving blades are characterized in that the moving blades are twisted moving blades each provided with a blade po...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	IKEUCHI, KAZUO, SAITO, EIJI, NAMURA, KIYOSHI, TAKASUMI, MASAKAZU, KATAYOSE, MASUMI
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL ENGINE PLANTS NOT OTHERWISE PROVIDED FOR ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ACCUMULATORS STEAM ENGINE PLANTS STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	The present invention is directed to a steam turbine provided with moving blades which are less affected by erosion and fretting wear due to water and have high strength reliability. The moving blades are characterized in that the moving blades are twisted moving blades each provided with a blade portion and a shroud portion formed at its tip, a contact surface between shroud portions connecting adjacent moving blades or an extension plane of the contact surface toward the blade back side which does not intersect with the blade tip of the blade back side shroud portion.