HYDRAULIC RAM Russian patent published in 2014 - IPC F04F7/02 

FIELD: construction.

SUBSTANCE: hydraulic ram comprises a feeding reservoir 17, a supplying pipeline 1, a body 2, a water-air cap 3 with a valve and a slide valve 4, an impact valve 6, made in the form of a sphere and placed on a stem, an injection check valve 7, a loading pipeline 16 with an overflow valve 14 and a hydraulic cylinder 11. The injection cavity 15 of the valve 14 is connected to the pipeline 16. The stem of the valve 6 is simultaneously a through stem 10 of the hydraulic cylinder 11 piston. The loading cavity 12 of the hydraulic cylinder 11 is connected to a drain hole 13 of the valve 14. The unloading cavity 18 of the hydraulic cylinder 11 is connected to atmosphere. The diameter of the hydraulic cylinder and travel of the impact valve are determined according to formulas.

EFFECT: provision of regulation in automatic mode and maintenance of maximum efficiency.

1 dwg, 1 tbl