Distributed lubrication system

A gas turbine engine (10) includes a spool, a gearbox (54) having gearing driven by the spool, and a lubrication system (12). The lubrication system includes a first heat exchanger (32) positioned in a first air flow path (40), a second heat exchanger (34) positioned in a second air flow path (42),...

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Bibliographische Detailangaben
Hauptverfasser:	Glahn, Jorn A, Merry, Brian D, Dye, Christopher M, Suciu, Gabriel L, Snape, Nathan, Dixon, Matthew G, Howlett, Matthew J
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:	A gas turbine engine (10) includes a spool, a gearbox (54) having gearing driven by the spool, and a lubrication system (12). The lubrication system includes a first heat exchanger (32) positioned in a first air flow path (40), a second heat exchanger (34) positioned in a second air flow path (42), and a lubrication pump (48) fluidically connected to both the first heat exchanger and the second heat exchanger. A first air fan (36) is driven by the gearbox for inducing air flow through the first air flow path. A second air fan (38) is driven by an electric motor for inducing air flow through the second air flow path.