高压油泵按形态分类：
High pressure oil pump is classified according to its shape:
1、以供油部为分类标准分为，直列泵和转子泵；
1. The oil supply department is divided into in-line pump and rotor pump;
2、以供油时间为分类标准分为：有提前器和无前期器；
2. According to the classification standard of oil supply time, it can be divided into two categories: with and without advance device;
3、以调速器为分类标准分为：机械调速器、电子调试器、液压调试器、气模调速器等等。
3. The governor is divided into mechanical governor, electronic debugger, hydraulic debugger, pneumatic governor and so on.