空(kong)氣(qi)驅(qu)(qu)(qu)動(dong)(dong)的(de)緊(jin)(jin)湊型(xing)液(ye)體泵(beng)(beng)(beng)在差(cha)(cha)速(su)器區域的(de)原則上運(yun)行。空(kong)氣(qi)活塞驅(qu)(qu)(qu)動(dong)(dong)較小直徑(jing)的(de)液(ye)壓(ya)(ya)(ya)柱塞以(yi)提(ti)供(gong)壓(ya)(ya)(ya)力(li)比。壓(ya)(ya)(ya)力(li)比決(jue)定了大(da)出(chu)口壓(ya)(ya)(ya)力(li)。緊(jin)(jin)湊型(xing)液(ye)體泵(beng)(beng)(beng)自動(dong)(dong)循(xun)環(huan)。當壓(ya)(ya)(ya)縮空(kong)氣(qi)施加到泵(beng)(beng)(beng)上時(shi),它將(jiang)以(yi)其大(da)速(su)度循(xun)環(huan),產(chan)生大(da)流量。在這個階段,泵(beng)(beng)(beng)充當輸送泵(beng)(beng)(beng),用液(ye)體填充壓(ya)(ya)(ya)力(li)接收(shou)器。然(ran)后,隨著(zhu)接收(shou)器中壓(ya)(ya)(ya)力(li)的(de)增(zeng)加,泵(beng)(beng)(beng)將(jiang)逐漸(jian)開始以(yi)較慢的(de)速(su)度循(xun)環(huan),并為往復式(shi)差(cha)(cha)速(su)器活塞提(ti)供(gong)更大(da)的(de)阻力(li)。當輸出(chu)壓(ya)(ya)(ya)力(li)和空(kong)氣(qi)驅(qu)(qu)(qu)動(dong)(dong)力(li)平(ping)衡以(yi)產(chan)生失速(su)狀態時(shi),SC泵(beng)(beng)(beng)會自動(dong)(dong)停止。此時(shi),泵(beng)(beng)(beng)將(jiang)保持(chi)壓(ya)(ya)(ya)力(li)而不消(xiao)耗能源,從而為液(ye)壓(ya)(ya)(ya)動(dong)(dong)力(li)提(ti)供(gong)經濟的(de)來源。