A Numerical Investigation on the Characteristics of the Radial Force in a Cycloid Gerotor Pump  

作　　者：Lingzhi Yu Yunqing Gu Jiegang Mou Denghao Wu Zhenfu Chen Yun Ren 

机构地区：[1]College of Metrology&Measurement Engineering,China Jiliang University,Hangzhou,310018,China [2]College of Mechanical Engineering,Zhejiang University of Technology,Hangzhou,310014,China [3]Zhijiang College,Zhejiang University of Technology,Shaoxing,312030,China

出　　处：《Fluid Dynamics & Materials Processing》2020年第5期1007-1018,共12页流体力学与材料加工（英文）

基　　金：supported by the Zhejiang Provincial Natural Science Foundation of China(No.LY19E050003);the National Natural Science Foundation of China(No.51779226).

摘　　要：In order to improve the performances of a cycloid gerotor pump,the variations of the radial force induced by different rotating speeds and outlet pressures are analyzed numerically.Using the numerical simulations as a basis,an improved oil inlet and outlet groove structure is proposed.The results show that the radial force decreases with the decrease of the outlet pressure and of the rotor speed.Compared with the original model,the large-end oil inlet line and pressure line of the new oil groove are claw-shaped.This configuration can effectively weaken the pressure changes inside the gerotor pump and reduce accordingly the radial force on the inner rotor.

关 键 词：Cycloid gerotor pump radial force oil groove structure pressure distribution 

分 类 号：O35[理学—流体力学]