中文摘要：

提出了一种新型内燃式油压动力系统，该系统集成了内燃机与柱塞式液压泵技术。针对三种典型的内燃式油压动力系统，着重论述了系统方案、工作机理、工作特点及研发中的关键问题。

英文摘要：

One new type of internal combustion oil hydraulic power system was put forward, which integrated the technologies of internal combustion engine and oil plunger pump. The system principles,working mechanism and key problems in research and development was discussed emphatically aiming at three typical systems.