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

FIELD: pump engineering.

SUBSTANCE: invention relates to pump engineering, in particular to hydraulic ram engineering. Hydraulic ram comprises supply pipeline 2 with working chamber 3, discharge valve 6, impact valve 7 with spring 17, air chamber 4 with discharge pipeline 5. RAM comprises open adjusting tank 11. In the tank 11 there are two-arm lever 24 with the possibility of swinging on axis 25 and vertical branch pipe 10. Upper end of branch pipe 10 is composed of flat seat 9, above which there is support disc 8 with valve 7 connected with adjustable U-shaped barrel 15 and rod 16, fixed in upper part and arranged in guides 19. Lever 24 is connected with rod 28 with float 29 and counterweight 30 pivoted on its one arm, and with rod 16 with barrel 15 pivoted on its other arm. Disc 8 is made in the form of inverted plate to overlap outlet hole of seat 9 of branch pipe 10 arranged coaxially with the open part of barrel 15 connected by means of spring 17, secured on rod 18 of valve 7. Rod 16 of barrel 15 is made with adjusting sleeve 22 and with stroke stopper 21.

EFFECT: invention provides higher control, efficiency, reliability and simplified design.

3 cl, 1 dwg