Gas Turbine Bearings And Lubrication Flashcards
1
Q
How are rotating shafts in the engine supported?
A
Needle roller bearings
2
Q
How are thrust loads generated by the engine transmitted to the main engine casing?
A
Ball bearings
3
Q
What is the function of labyrinth seals?
A
Prevent oil from escaping from the chamber at the points where it wraps around the shaft
4
Q
What effect do pressure seals have on oil and how is this counter-acted?
A
They aerate the oil so air/oil separators are required.
