HYDRAULIC RAM Russian patent published in 2013 - IPC F04F7/02 

FIELD: machine building.

SUBSTANCE: hydraulic ram pressure cap 11 is composed of interconnected top, mid and bottom parts. Top part is composed of check valve body 14 accommodating valve 14 spring-loaded by return spring 15 and adjustment screw 16 of said spring. Mid part is composed of damper 17 with seat of valve 14 at its top and guide flange 18 with channels 19 at its bottom. Bottom part is composed of base 19 accommodating pressure valve 9 with rod 10, its flow section making the seat of valve 19. Base 20 and tapered pipe 3 make an integral unit. Pipe 8 communicated baffle valve 4 with valve 9 is provided with bypass valve 13 to control valve 4. Body of valve 14 is provided with air valve 12 to automatically fill cap 11 with air.

EFFECT: higher efficiency, decreased weight and overall dimensions.

1 dwg