Gas Turbine Lubrication Flashcards
1
Q
Role of bearings
A
To support the weight of the spool and allow to rotate freely/absorb thrust loads and transmit to engine case
2
Q
Ball Bearings role
A
Carry weight and thrust loads
3
Q
Roller bearings
A
Carry just the side loads
4
Q
Air Oil Separator are required because
A
Labyrinth seals aerate the oil in the bearing chambers
5
Q
Thrust loads created by each spool are transmitted to the airframe via
A
Ball bearings
6
Q
Labyrinth seals do what
A
Prevent oil from escaping out of the bearing chambers
7
Q
Centrifugal Breather
A
Separates oil from air
Due to air pressure from labyrinth seals
