Abstract：The advantages and disadvantages of manual and electric sprays,and the characteristic of foreign-made electric spray pump were discussed.A new type of double action roller rotary pump was developed which belongs to positive displacement rotary pump.The new pump uses rolling friction to replace sliding friction and thus has lower frictional loss.Meantime,it uses symmetric structure with double inlet and outlet,which improves the radial force balance.All the above increase the service life.Eighth-power curve was used for drawing the transitional curve of the stator.Compared with other products,this new pump shows high efficiency and low noise.
张生昌；方宏生；邓鸿英；郑英臣；林彬彬. 电动喷雾器用高效低噪双作用滚柱转子泵研制[J]. 排灌机械工程学报, 2008, 26(4): 18-21.
ZHANG Sheng-chang, FANG Hong-sheng, DENG Hong-ying, ZHENG Ying-chen, LIN Bin-bin. Design of double action roller rotary pump for electric sprayer with high efficiency and low noise. Journal of Drainage and Irrigation Machinery Engin, 2008, 26(4): 18-21.
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