BEARING OUTER RACE RETENTION DURING HIGH LOAD EVENTS

A retention housing (98) for the outer race (94) of a bearing of a gas turbine engine (10) includes a spring finger housing (110) connected to and overlying a bearing housing (100) that is connected to the outer race of the bearing (90). The spring finger housing (110) includes an arrangement of spr...

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Bibliographische Detailangaben
Hauptverfasser:	GANIGER, Ravindra, CORMAN, Charles Andrew, CARTER, Bruce Alan
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BEARINGS BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION 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 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 NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS 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:	A retention housing (98) for the outer race (94) of a bearing of a gas turbine engine (10) includes a spring finger housing (110) connected to and overlying a bearing housing (100) that is connected to the outer race of the bearing (90). The spring finger housing (110) includes an arrangement of spring fingers (120) that yields a lightweight retention housing (98) capable of withstanding very high radial loads combined with very high torsional windup and axial thrust load. Dowel pins (136), arranged in corresponding blind bores at the aft end (102) of bearing housing (100) and extending radially from the bearing housing (100) and through the engine's interface shell (86) limit the deflection and self-arrest the distortion in a circumferential direction of the housing (98).