DEVICE FOR CENTRING AND GUIDING THE ROTATION OF A TURBINE ENGINE SHAFT INCLUDING IMPROVED MEANS FOR RETAINING THE EXTERNAL BEARING RING

DEVICE FOR CENTRING AND GUIDING THE ROTATION OF A TURBINE ENGINE SHAFT INCLUDING IMPROVED MEANS FOR RETAINING THE EXTERNAL BEARING RING

A device for centring and guiding the rotation of a turbine engine shaft, in which the outer race of a bearing is retained axially upstream and downstream by a retaining mechanism cooperating with a bearing bracket and with a coupling mechanism including elastically deformable mechanism connecting t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ANTUNES, Serge Louis, CRETIN, Fabrice, BELLAY, Julie, LOURIT, Damien, SERVANT, Régis Eugène Henri
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BEARINGS
BLASTING
ELEMENTS OR CRANKSHAFT MECHANISMS
ENGINE PLANTS IN GENERAL
ENGINEERING ELEMENTS AND UNITS
FLEXIBLE SHAFTS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
ROTARY BODIES OTHER THAN GEARING ELEMENTS
SHAFTS
STEAM ENGINES
THERMAL INSULATION IN GENERAL
WEAPONS
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Beschreibung
Zusammenfassung:A device for centring and guiding the rotation of a turbine engine shaft, in which the outer race of a bearing is retained axially upstream and downstream by a retaining mechanism cooperating with a bearing bracket and with a coupling mechanism including elastically deformable mechanism connecting the outer race to the bearing bracket, the retaining mechanism being separate from a protecting ring of the device. A method of assembling such a device is also described. The retaining mechanism is pre-assembled with the coupling mechanism prior to the final assembly of the coupling mechanism with the bearing bracket. The device and the method have the combined advantages of axially retaining the outer race in two opposing directions and having a particularly straightforward assembly.