Iyinxalenye ebalulekileyo ye-accumulator, ngokukodwa i-oyile ye-hydraulic kunye ne-nitrogen.Umphezulu we-diaphragm unokwakheka kwe-matte, iipropathi ezibalaseleyo zomzimba kubushushu obuphezulu, ukuchasana nokukrazula okuphezulu, ukuchasana kwe-oyile okugqwesileyo, ukuxhathisa imichiza kunye nokuqina.