Two stiffness device for assembling a bearing on the shaft of a rotary engine

The engine has a low pressure turbine shaft (1) mounted relative to a high pressure turbine shaft (2) and comprising a cage winding (5). The winding has two fixing points fixed to a bearing (3) and a radial flange of the shaft. The shaft has an actuator taking two positions to control the stiffness...

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Bibliographische Detailangaben
Hauptverfasser:	POINSOT-BERTHELOTT, FLORIAN, GEREZ, VALERIO, JADCZAK, EDOUARD, JOSEPH
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ENGINE PLANTS IN GENERAL GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	The engine has a low pressure turbine shaft (1) mounted relative to a high pressure turbine shaft (2) and comprising a cage winding (5). The winding has two fixing points fixed to a bearing (3) and a radial flange of the shaft. The shaft has an actuator taking two positions to control the stiffness state of the winding. A piston (12) is displaced between a rigid stiffness position and a flexible stiffness position, against a spring.