According to the formation principle of the tritubercular cycloid in this paper, the rotor, whose bore curve is the inner envelope line of the cycloid, is made with the solid radius vector.

根据三尖摆成原理,以摆内包络定子内腔曲,动径实体化转子,定子、转子按照一定关系运动则成一种新型摆泵。