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中文摘要：
根据标准,设计新型液压余弦齿轮泵试验台。通过试验验证余弦齿轮泵的平均流量要比同参数的渐开线齿轮泵大,且流量脉动要比渐开线齿轮泵小得多的理论正确性,探讨流量随转速以及流量随压力的变化关系。研究结果为进一步推广余弦齿轮泵的应用打下良好的基础。
英文摘要：
According to the standard,the testing platform of a new-style cosine gear pump in hydraulic is designed and the theory proves to be correct through experiment.Namely the cosine gear pump has an advantage of big flow rate and small flow ripple in comparison with involute gear pump under the same parameters.The relations between flow rate and revolving speed and pressure are discussed.The results may provide a good basis for the cosine gear pump in the application.
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