The power output of that can only achieve approximately constant-power. The task of research is developed a new type mechanical-hydraulic servo variable displacement mechanism for 63ml/r radial piston pump that can achieve complete constant-power control.
本课题的研究目标是在已有63ml／r径向柱塞泵本体结构的基础上，研制出适用于径向柱塞泵本体结构，能够实现完全恒功率输出特性的变量机构。
参考来源 - 径向柱塞泵完全恒功率变量机构的设计与研究·2,447,543篇论文数据，部分数据来源于NoteExpress
以阀式径向柱塞定量泵为基泵设计了控制进油阻力的变量机构。
This article designed a displacement setting mechanism by the fixed quantity of valve model radial column piston as base pump.
工作机构的变速和换向靠调节泵或马达的变量机构实现，避免了开式系统换向过程中所出现的液压冲击和能量损失。
The work of agencies to rely on speed and for adjusting the pump or motor variables agencies to achieve, to avoid the open loop system for the process are the hydraulic impact and energy loss.
最后以恒压泵变量机构为实例，对YB - 20ah型柱塞式恒压主量泵变量机构进行了寻优设计，并取得了良好的效果。
Finally, taking the constant pressure pump as example, we make YB-20AH axial piston pump with constant pressure optimized by this method.
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