The formulae in this paper are founded for axial pistonpump whose rotor's structure is straight axis and auto-location type, but other type of pump can reference it.
The dynamic equation of valve type orifice system of confined piston internal combustion pump was built.
提出约束活塞型内燃式水泵的概念并阐述其工作原理，建立了阀式配流系统的动力模型。
3
The circular tube grouting test was made by the established model of grouting slurry tube in rock mass and using pistontype grouting pump commonly used in grouting engineering.