DAMPING DEVICE FOR STATOR OF TURBO MACHINE

PROBLEM TO BE SOLVED: To attenuate a dynamic response of a structure (regardless of whether it is pneumatics in origin or not) under synchronous stress or asynchronous stress by applying dynamic attenuation. SOLUTION: This stator of a turbo machine forms a stator blade ring or an upstream-side guide...

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Bibliographische Detailangaben
Hauptverfasser:	DUPEUX JEROME ALAIN, BAUMHAUER STEPHANE JEAN JOSEPH, LOMBARD JEAN-PIERRE FRANCOIS, GARCIN FRANCOIS MAURICE
Format:	Patent
Sprache:	eng
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ENGINE PLANTS IN GENERAL ENGINEERING ELEMENTS AND UNITS GAS-TURBINE PLANTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INDEXING SCHEME FOR ASPECTS RELATING TONON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES ORJET-PROPULSION PLANTS INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04 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 TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To attenuate a dynamic response of a structure (regardless of whether it is pneumatics in origin or not) under synchronous stress or asynchronous stress by applying dynamic attenuation. SOLUTION: This stator of a turbo machine forms a stator blade ring or an upstream-side guide blade member, and the stator blade ring is constituted by radially arranging a plurality of blades (43) between two concentric rings, namely a first inner ring (42) and a second outer ring (44). The second ring of the stator has a cylindrical outer surface (44e). At least one of vibration-damping layer bodies (30, 30') in which at least one layer (32) formed of a viscoelastic material is brought into contact with the surface (44e) and one counter layer (34) formed of a rigid material are attached to the outer surface (44e) of the stator. COPYRIGHT: (C)2009,JPO&INPIT