Uhlelo lwe-MQL luhlinzeka ngokuthambisa okulula, okunembile ngezinhlobo ezimbili zePump: Iphampu ye-Avoming enikeza ingxube yomoya namafutha, nephampu epompa uwoyela. Lawa mapompo amavolumetric, angachazwa njengengxenye yesigaba, afakazelwa ukuthi angaguquguquki futhi athembekile. Idizayini yabo ejwayelekile ivumela amaphampu amaningi ukuthi afakwe ndawonye lapho kutholakala imiphumela eminingi, ngakho-ke uhlelo ngalunye lungalinganiswa kuhlelo lokusebenza. Ukusetha ngakunye kwephampu kubandakanya umlawuli we-stroke wokukhipha ipompo kanye ne-pulse generator yokulawula isilinganiso sokujikeleza kwephampu.