A new way of exchange between rotation and reciprocating motion through planetary driving was introduced, which was different from the one realized by piton pump moving with cam, brace and link.

• 采用行星齿轮传动方式实现从旋转到直线的往复运动，不同于现有柱塞泵由凸轮、曲柄连杆或斜盘实现往复运动的方式，没有滑靴等高压力作用下高速滑移的元件。