WATER-JET PROPELLER PRESSURE ASSEMBLY Russian patent published in 2013 - IPC B63H11/01 

FIELD: transport.

SUBSTANCE: invention relates to ship building, particularly, to water-jet propulsors for river vessels operated in shallow waters. Water-jet propeller pressure assembly comprises drive shaft, nozzle, impeller, thrust and support bearings. Said nozzle is composed of hollow convergent geometrical body. Impeller is rigidly fixed on thrust propeller shaft. Aforesaid thrust and support bearings are combined. Said shaft runs in said thrust and support bearings arranged in housing. Bearings body is solid and confined by nozzle end. Impeller is splined on drive shaft. Splines feature a barrel shape.

EFFECT: simplified design, better reparability, improved operation conditions.

10 cl, 1 dwg