Abstract

The invention relates to a waterjet propulsion system (1) for a watercraft, comprising an intake region (2), an impeller region (3) which adjoins the intake region and in which a one-stage impeller (4) is mounted, and an outlet nozzle (5) which adjoins the impeller region, the waterjet propulsion system having a drive motor (6) which is at least indirectly connected to an impeller driveshaft (7) of the impeller (4). According to the invention, the impeller has only one single blade (8).

IPC Classes  ?

• B63H 11/08 - Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type
• B63H 11/103 - Marine propulsion by water jets the propulsive medium being ambient water having means for deflecting jet or influencing cross-section thereof having means to increase efficiency of propulsive fluid, e.g. discharge pipe provided with means to improve the fluid flow
• B63H 21/17 - Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor