它的最基本形式就是兩個尺寸相同的齒輪在一個緊密配合的殼體內相互嚙合旋轉，這個殼體的內部類似“8”字形，兩個齒輪裝在里面，齒輪的外徑及兩側與殼體緊密配合。來自于擠出機的物料在吸入口進入兩個齒輪中間，并充滿這一空間，隨著齒的旋轉沿殼體運動，最后在兩齒嚙合時排出。 QT泵幾乎可以完全免除壓力波，故可作為系統精確控速的理想機 械工具使用壓力范圍廣泛 日本Sumitomo住友 QT單聯內嚙合齒輪泵 【抗磨液壓油粘度40cst(ISOVG32油，油溫50℃)，轉速1500r/min,進口壓力0MPa】 Sumitomo QT32-12.5 Sumitomo QT32-16 Sumitomo QT42-20 Sumitomo QT42-25 Sumitomo QT42-31.5 Sumitomo QT52-40 Sumitomo QT52-50 Sumitomo QT52-63 Sumitomo QT62-80 Sumitomo QT62-100 Sumitomo QT62-125 Sumitomo QT31-20 Sumitomo QT31-25 Sumitomo QT31-31.5 Sumitomo QT41-40 Sumitomo QT41-50 Sumitomo QT41-63 Sumitomo QT51-80 Sumitomo QT51-100 Sumitomo QT51-125 Sumitomo QT61-160 Sumitomo QT61-200 Sumitomo QT61-250 Sumitomo QT33-12.5 Sumitomo QT33-16 Sumitomo QT43-20 Sumitomo QT43-25 Sumitomo QT43-31.5 Sumitomo QT53-40 Sumitomo QT53-50 Sumitomo QT53-63 Sumitomo QT63-80 Sumitomo QT63-100 Sumitomo QT63-125