... the cover, the Eccentric gear sets exposed at the lower end of cover. Taking into account the mutual mating shaft connected the ... inner cavity are consistent with the helical screw alveolus. Taking into account the increase of the connecting shaft support, in the left ... 10 journal sets, 11, spiral groove, 12, screw, 13, interconnect, 14, interconnect. Specific way of implementing As shown in Figure 1-5 ...