GAS TURBINE ENGINE INCLUDING SQUEEZE FILM DAMPER WITH RESERVOIR

A gas turbine engine (20) according to an exemplary aspect of the present disclosure includes, among other things, a shaft (74) configured to rotate during operation of the gas turbine engine (20), and a squeeze film damper (60') radially outside the shaft (74). The squeeze film damper (60) inc...

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Bibliographische Detailangaben
Hauptverfasser:	BORATGIS, Ernest, AMADOR, Armando
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 MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS SHOCK-ABSORBERS SPRINGS STEAM ENGINES THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A gas turbine engine (20) according to an exemplary aspect of the present disclosure includes, among other things, a shaft (74) configured to rotate during operation of the gas turbine engine (20), and a squeeze film damper (60') radially outside the shaft (74). The squeeze film damper (60) includes a cavity (62') including a film of lubricant axially between first and second cavity seals (84, 86), and further includes a reservoir (70') fluidly coupled to the cavity (62'). A method is also disclosed.