It is an important factor for the perfect matching between the maximal input power of the hydraulicoil pump and the maximum output power of the engine in the design process of the hydraulic shovel.
液压油泵的最大输入功率与发动机的最大输出功率之间的匹配问题是液压挖掘机设计过程中的一个重要内容。
2
Water hydraulic drive system has some advantages of oilhydraulic transmission such as large power, high efficiency and compact structure as well as the unique advantage of environment-protection.
水压驱动系统既保持了油压传动传递动力大、效率高和元件体积小的优点，又兼有环保的积极作用。
3
One new type of internal combustion oilhydraulicpower system was put forward, which integrated the technologies of internal combustion engine and oil plunger pump.