MARINE PROPELLER Russian patent published in 2007 - IPC B63H11/12 

FIELD: shipbuilding; manufacture of steam jet propulsors and steering gears.

SUBSTANCE: proposed marine propeller is provided with steam boiler and steam distributor; it is also provided with at least one tube for creating the jet propulsion; inlet of this tube is covered with grate in way of motion. First steam outlet of boiler is connected with steam flow distributor by means of cock; outlets of this distributor are brought into jet propulsion creating tubes on side of direction of motion. Second steam outlet of boiler is connected to inlets of perforated tubes inserted in jet propulsion creating tubes on side of direction of motion. Propeller may be provided with steam turbine connected between second steam outlet of boiler and inlets of perforated tubes by means of cock. Propeller may be provided with two jet propulsion creating tubes and with additional outlet of distributor and additional outlet of steam boiler which may be inserted into jet propulsion creating tubes through cocks on side opposite to grate for reversing. Propeller may be provided with tubes for control of direction of motion, additional outlet of distributor and additional outlet of steam boiler which may be inserted in these tube through cocks. Propeller may be provided with reservoir filled with water which is connected via cock to steam boiler. Propeller may be additionally provided with distiller connected with steam boiler through cock.

EFFECT: enhanced economical efficiency of propeller operation.

7 cl, 1 dwg