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.

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2
Q

What is the purpose of a non-return valve?

A

Allows fluid to move in one direction only.

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3
Q

What are the two types of hydraulic pumps?

A

Constant pressure (operated by a control piston)
Spur gear (RPM dependant output)

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4
Q

What do hydraulic accumulators do?

A

Store pressure energy using compressed nitrogen.

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