HYDRAULIC RAM Russian patent published in 2016 - IPC F04F7/02 

FIELD: engines and pumps.

SUBSTANCE: invention relates to hydraulic rams and can be used as water lifting device. Hydraulic ram comprises feed pipeline, working sections of pipes 3 and 4, installed on them shock valves 12 and 13, air bowls 5 and 6 and water tank 33 connected with water-supplying pipeline 32 and working sections of pipes 3 and 4, an additional pipeline arranged in parallel to the supply pipeline, and detachably-stack weight-counterweight 23 on rod 22. Ram is equipped with vessels 16 and 17 filled with fluid and connected with driven yoke 20. Vessels 16 and 17 are filled with fluid and arranged at the ends of yoke 20 with possibility to swing on axes and contact with heads 9 and 10 of branch pipes at working pipe sections 3 and 4. Vessels 16 and 17 are made as hollow conical cylinders oriented with outlet sections in fluid flow towards heads 9 and 10. Valves 12 and 13 are made in the form of annular flaps rigidly fixed to the vessels along the perimeter and filled with liquid in the lower part arranged in tight housing.

EFFECT: invention is aimed at controlling operation, increasing reliability, higher efficiency.

2 cl, 2 dwg