Aimed to decrease damping coefficient and enhance pump's dynamic performance, a method for reducing the radial plungerpump stator forces was developed by analyzing the type JBP-63 pump stator forces.
One new type of internal combustion oil hydraulic power system was put forward, which integrated the technologies of internal combustion engine and oil plungerpump.
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。
3
The shortcoming of top valve housing for standard type oil well pumpplunger is wear and rupture of oil flow pore wall.