Accumulator Tank: a sealed air chamber combined with a water reservoir provides expansion volume to reduce pump cycling from minor pressure changes and give a steady flow.
压力鼓：你个密封的空间结合水箱来提供充足的空间来减少泵循环时较小的压力改变和稳定的水流。
2
The fluid gas in the gas chamber and the low pressure gas in the further chamber are divided by a piston, such that this acts as an accumulator.