Module de lubrification (60) pour au moins un poste de lubrification d'une turbomachine (10), le module de lubrification (60) comprenant au moins une pompe volumétrique (62) comportant un corps de pompe (64) délimitant une chambre principale (66) configu...

An aircraft engine having a fan or propeller stage mounted to a planetary gearing system through a planetary gearing output drive shaft is provided with a lubricant system having a seal with lubricant delivery chamber for receiving a lubricant and a sealin...

The assembly (25) has a combustion fuel pump of a combustion fuel cycle, and hydraulic fluid pumps (28 to 31) of a hydraulic fluid circulation system, where the assembly with an accessory gearbox shaft (39) is coupled to an accessory gearbox unit (9) of an...

An exemplary valve device (62) for controlling flow of a turbomachine fluid includes a housing (66) and a flow control assembly (70) within the housing. The housing has a first inlet (72), a second inlet (74), and an outlet (76). Movement of the housing to...

The oil supply system (10) has oil tank (12), pumps (14,18,20,22), heat exchanger (40) for cooling the oil and conduit system connecting these components. The oil tank has two horizontally stacked upper and lower regions (36,38) for storing the oil, which ...

A gas turbine engine (10) comprising an oil system (50) and a gearbox (33), the gearbox (33) is driven by at least one engine shaft (23, 24, 25), the oil system (50) comprises a pump (38) drivingly connected to the gearbox (33), an oil tank (42) connected ...

The tube has a metallic hollow tubular part with an outer surface covered on a part of its length using a composite material with fibers (20). The fibers are oriented along a longitudinal direction in a manner to confer a bending strength to the tube. The ...

In a fluid system for a gas turbine engine, oil is supplied from an oil tank (10) by a constant displacement pump (12) to lubricate engine components (18). The oil is supplied to the components (18) via a heat exchanger (16) in which oil and fuel are place...

A system for reducing oil usage from a sump (3) in a gas turbine engine. Two sources of oil usage, which usage includes leakage and consumption, have been identified: during idle, leakage of oil from an oil sump (3) through seals (24); and during high-powe...