Method and system to ensure full oil tubes after gas turbine engine shutdown

A gas turbine engine includes a bearing compartment that has an inlet. A supply line splits into a supply conduit and a reservoir conduit that are fluidly parallel to one another for a length. The reservoir conduit fluidly rejoins the supply conduit at a junction. The supply conduit is fluidly conne...

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Bibliographische Detailangaben
Hauptverfasser:	Parnin, Francis, Avis, Thomas Bruce
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CRANKCASE VENTILATING ENGINE PLANTS IN GENERAL ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING LUBRICATING LUBRICATING INTERNAL COMBUSTION ENGINES LUBRICATING OF MACHINES OR ENGINES IN GENERAL MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ENGINES THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A gas turbine engine includes a bearing compartment that has an inlet. A supply line splits into a supply conduit and a reservoir conduit that are fluidly parallel to one another for a length. The reservoir conduit fluidly rejoins the supply conduit at a junction. The supply conduit is fluidly connected to the inlet, and the reservoir conduit includes a flow restrictor upstream from the junction. A main pump is fluidly connected to the supply line and is configured to supply a lubricant to the bearing compartment through the supply line and supply and reservoir conduits in an operating state. The main pump has a non-operating state in which the reservoir conduit is configured to slowly refill the supply conduit through the flow restrictor.