叶片泵，是转子槽内的叶片与泵壳（定子环）相接触，将吸入的液体由进油侧压向排油侧的泵。叶片泵转子旋转时，叶片在离心力和压力油的作用下，尖部紧贴在定子内表面上。这样两个叶片与转子和定子内表面所构成的工作容积，先由小到大吸油后再由大到小排油，叶片旋转一周时，完成两次吸油与排油。
美国SUNNY叶片泵45V系列
45V42A-1A22R 45V42A-1B22R
45V42A-1C22R 45V42A-1D22R
45V45A-1A22R 45V45A-1B22R
45V45A-1C22R 45V45A-1D22R
45V50A-1A22R 45V50A-1B22R
45V50A-1C22R 45V50A-1D22R
45V57A-1A22R 45V57A-1B22R
45V57A-1C22R 45V57A-1D22R
45V60A-1A22R 45V60A-1B22R
45V60A-1C22R 45V60A-1D22R
45V66A-1A22R 45V66A-1B22R
45V66A-1C22R 45V66A-1D22R
45V75A-1A22R 45V75A-1B22R
45V75A-1C22R 45V75A-1D22R