LEVER FOR ROTATING ABOUT ITS PIVOT TURBOMACHINE VARIABLE-PITCH STATOR VANE

PROBLEM TO BE SOLVED: To provide structural damping for reducing a deformation level received by these parts in operation. SOLUTION: This invention relates to a lever for rotating about its pivot a turbomachine variable pitch stator vane. The lever has three zones of a first zone for attachment to a...

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Bibliographische Detailangaben
Hauptverfasser:	PALECZNY CHRISTIAN, LOMBARD JEAN-PIERRE FRANCOIS, GARCIN FRANCOIS MAURICE, JEAN PIERRICK BERNARD
Format:	Patent
Sprache:	eng
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide structural damping for reducing a deformation level received by these parts in operation. SOLUTION: This invention relates to a lever for rotating about its pivot a turbomachine variable pitch stator vane. The lever has three zones of a first zone for attachment to a lever driving member, a second zone for attachment to the variable-pitch stator vane and a slender-shaped third zone existing between the first zone and the second zone. A vibration damping laminated plate has at least one viscoelastic material layer installed in at least one surface part in at least one zone of the zones of the lever and contacting with the surface part, and a rigid material backing layer. COPYRIGHT: (C)2009,JPO&INPIT