UNDERWATER HYDRAULIC RAM Russian patent published in 2012 - IPC F04F7/02 

FIELD: machine building.

SUBSTANCE: underwater hydraulic ram includes housing 1, delivery pipe 2 including hydraulic pipe 3 with dart valve 4 on stock 18, which is interconnected with pressure pipe 21 by means of pressure valve 20 and air case 22, and drain pipes 7. Ram also includes water-collecting ring 8 located in housing 1 with water discharge openings 9 uniformly distributed across the section. Dart valve 4 consists of shutoff element 5 made in the form of a drop and actuating mechanism 6 comprising two cylinders combined with a coupling, into one of which a constant cone-shaped magnet is built. Stock 18 includes rigidly fixed rings: stop ring 12 and steel ring 10. Drain pipes 7 are of cnoidal shape, and delivery pipe 2 is made in the form of confuser.

EFFECT: improving the efficiency and operating reliability of underwater hydraulic ram.

4 dwg