Hydraulic Systems Flashcards
1
Q
What is the difference between a single and double-acting actuator?
A
Moves a piston in one and two directions respectively.
2
Q
What is the purpose of a non-return valve?
A
Allows fluid to move in one direction only.
3
Q
What are the two types of hydraulic pumps?
A
Constant pressure (operated by a control piston)
Spur gear (RPM dependant output)
4
Q
What do hydraulic accumulators do?
A
Store pressure energy using compressed nitrogen.
