In order to understand the characteristics of the electro-hydraulic inverse-proportional relief valve used in the continuously variable transmission (CVT), a mathematical model with pressure and flux of the electro-hydraulic inverse-proportional relief valve was established. The model was analyzed and simulated, subsequently. The test-bed was designed and a test standard was put forward, and tests of static characteristics and dynamic characteristics of the electro-hydraulic inverse-proportional relief valve were carried out. The experimental results indicate that the performances of the static characteristics and dynamic characteristics of the electro-hydraulic inverse-proportional relief valve are excellent, and it can satisfy precision control of the CVT.
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何仁,吴海啸,张涌,夏晶晶,牟正明.无级变速器用反比例溢流阀特性分析与试验[J].农业机械学报,2008,39(7):23-26.[J]. Transactions of the Chinese Society for Agricultural Machinery,2008,39(7):23-26.