What are the three types of accumulators used in hydraulic systems?

The three types of accumulators used in hydraulic systems are piston, diaphragm, and bladder. Each type serves as a storage device for hydraulic fluid under pressure, helping to maintain pressure in the hydraulic system and absorb shocks or pulsations.

Piston accumulators utilize a movable piston that separates the hydraulic fluid from the gas (usually nitrogen) in a chamber. As the hydraulic fluid enters the accumulator, it pushes the piston, compressing the gas, which allows the system to store energy effectively.

Diaphragm accumulators contain a flexible diaphragm that separates the hydraulic fluid from a gas. As the hydraulic fluid enters the accumulator, it exerts pressure on the diaphragm, which flexes and compresses the gas. This design can effectively absorb pressure fluctuations within the system and provide a cushion effect.

Bladder accumulators use a flexible bladder that contains the hydraulic fluid and is filled with gas. When hydraulic fluid enters the bladder, it compresses the gas, allowing for energy to be stored and released as needed. This type of accumulator is particularly effective in reducing system shocks and maintaining pressure.

The other options listed do not correctly encompass the types of accumulators recognized in hydraulic systems. Understanding these distinctions is essential for effectively managing hydraulic systems and ensuring their reliable operation.