What function do accumulators serve in a hydraulic system?

Accumulators play a crucial role in hydraulic systems primarily by absorbing hydraulic shocks. When sudden changes in pressure occur, such as during rapid valve actuation or a surge in flow, accumulators provide a buffer that prevents pressure spikes from transmitting through the hydraulic system. This helps protect components from damage due to these shocks and ensures smoother operation.

In addition to shock absorption, accumulators are also capable of storing energy, which can be utilized when there is a demand for additional flow or pressure. This function helps maintain system efficiency and can stabilize pressure fluctuations.

The choices that suggest that accumulators solely store or release fluid overlook their dynamic role in managing pressure and shock, while the option regarding temperature regulation does not accurately describe any function of an accumulator in a hydraulic context. Thus, the primary function of shock absorption aligns precisely with the operational mechanics of accumulators in hydraulic systems.