An oil tank filling system 50 for filling the oil tank 52 of a gas turbine engine that includes an aft core cowl. The system includes: an oil tank 52 that is located within a core 11 of the engine 10; an oil access port 55 located on the aft core cowl; an oil tank filling pipe 56 that connects the oil access port 55 to a tank filling port 58 on the oil tank 52; and a hydraulic lock 59 that prevents oil entering the oil tank 52 once the oil tank contains a predetermined volume of oil. A method of filling the oil tank of a gas turbine engine and a gas turbine engine that includes the oil tank filling system are also disclosed.
OIL TANK FILLING SYSTEM
2018-06-13
Patent
Electronic Resource
English