Device for the individual adjustment of a plurality of variable-pitch radial stator vanes in a turbomachine

The invention relates to a device for adjusting the pitch of at least one annular row of stator vanes (5) for a turbomachine module, the device comprising means for individual adjustment of the pitch of said vanes (5), comprising a first control ring (24) mounted such that it can be rotated about an...

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Bibliographische Detailangaben
1. Verfasser:	Nils Bordoni
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION ENGINE PLANTS IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING 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 MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ENGINES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a device for adjusting the pitch of at least one annular row of stator vanes (5) for a turbomachine module, the device comprising means for individual adjustment of the pitch of said vanes (5), comprising a first control ring (24) mounted such that it can be rotated about an axis (X-X) of the turbomachine, connecting rods (25-30) for connecting said first control ring (38) to the vanes (5), and a second control ring (38) mounted such that it can be rotated about said axis (X-X), each vane (5) of said at least one row being connected to both said first (24) and second (38) control rings by an assembly of at least two rods (25). The invention also relates to a module and a turbomachine comprising said device, and to a method for adjusting the pitch of the vanes of the annular row.