ROTOR ASSEMBLY AND ROTARY MACHINE

To provide a rotor assembly which can suppress vibration of a blade at its natural frequency according to a revolution speed of the rotor assembly.SOLUTION: A rotor assembly includes a rotor disk, a plurality of blades fixed to the rotor disk and radially extending toward a radial outside of the rot...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	AKIMOTO KENTARO, TOMII MASAYUKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SHOCK-ABSORBERS SPRINGS STEAM ENGINES THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	To provide a rotor assembly which can suppress vibration of a blade at its natural frequency according to a revolution speed of the rotor assembly.SOLUTION: A rotor assembly includes a rotor disk, a plurality of blades fixed to the rotor disk and radially extending toward a radial outside of the rotor disk, and at least one rolling element configured to roll on a curved surface facing a radial inside of the rotor disk.SELECTED DRAWING: Figure 2A 【課題】ロータアッセンブリの回転数に応じた固有振動数での動翼の振動の抑制が可能なロータアッセンブリを提供する。【解決手段】ロータアッセンブリは、ロータディスクと、前記ロータディスクに固定されて前記ロータディスクの径方向外側に放射状に延びる複数の動翼と、前記ロータディスクの径方向内側を向く湾曲面上を転がり可能に構成された少なくとも一つの転がり要素と、を備える。【選択図】図２Ａ