Patent ID: 11970959
Assignee: JIANGSU JOINTEK PRECISION MACHINERY CO., LTD.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 6:
7. The valve actuator for a specialized stationary two-piston hydraulic engine according to claim 5, further comprising a follower pin provided opposite to the secondary piston, the drive valve being connected to the follower pin; and
in a condition in which the oil supply line supplies oil to the oil drive line and the control valve is open, when the specialized drive cam is rotated to the round base component for sliding or rolling engagement with the primary piston, the secondary piston being separated from the follower pin; and when the specialized drive cam is rotated for sliding or rolling engagement with the primary piston, the secondary piston moving until contacting with the follower pin and displacing the drive valve by pushing through the follower pin.