Sea craft control propulsor lubing process and sea craft

FIELD: transport.

SUBSTANCE: sea craft comprises controlled propulsor including a lubing structure. The latter comprises oil tank (60) and oil cycling means to force oil between said tank (60) and said propulsor. Lubing means sprays oil in nacelle (4) and comprises at least two oil channels (62, 78) to feed oil from oil tank (60) into propulsor. First oil channel (78) extends from oil tank into nacelle (4) via oil compartment (38, 48) and has structure arranged between oil compartment (38, 48) and nacelle (4) to limit oil flow from sad tank to said nacelle while second channel (62) extends tank (60) nacelle (4).

EFFECT: lubing system lower power consumption, higher reliability and efficiency, better filtration and cooling.

14 cl, 3 dwg

 



 

Same patents:

FIELD: transport.

SUBSTANCE: propulsion unit comprises at least one stationary propulsive unit arranged at the ship aft. Propulsive unit comprises a hollow bearing structure secured to ship hull. The chamber has front and rear ends and is secured to bearing structure. Motor is arranged inside said chamber. The shaft has first and second ends. Propeller screw is engaged with motor. Rudder can turn at the chamber rear end. Propulsive unit is arranged to make shaft line (SL) form the vertical inclination angle (α) of 1-8 degrees to water line (WL) so that chamber front end is located below than chamber rear end relative to waterline (WL).

EFFECT: improvement of propulsion unit on vessels.

5 cl, 4 dwg

FIELD: transport.

SUBSTANCE: set of inventions relates to ship building, particularly, to propellers with partially immersed screws. This drive comprises partially immersed screw, rotary stern tube with ball part, thrust case, spherical pivots control hydraulic cylinders arranged in stern tube. Drive shaft, countershaft and drive shaft are coupled with screws. Assembly of drive hydraulic cylinders fastening to vessel transom comprises control hydraulic cylinder with body equipped with thrust cup for two hemispheres. Hydraulic cylinder controls the drive and comprises body to house the cylinder, hoses and valves.

EFFECT: higher efficiency.

4 cl, 12 dwg

FIELD: transport.

SUBSTANCE: invention relates to ship building and may be used in auxiliary propeller structures. auxiliary propulsion system of waterborne vehicle consist of propeller, system of its extension from waterborne vehicle body and shield-recess which is provided with additional extension system kinematically connected with this shield and located inside waterborne vehicle body.

EFFECT: implementation of invention permits to lower hydraulic resistance of auxiliary propulsion system and to increase its overall thrust.

1 dwg

FIELD: transport.

SUBSTANCE: invention relates to ship building, particularly, to ship after equipped with propulsive-steering gear arranged outside the ship hull. Ship after is equipped with crinoline. Crinoline deck has opening closed by detachable platform for propulsive-steering gear to be secured thereat. Guide posts are arranged along the edges of said opening with their top ends rigidly coupled with the bracket attached at ship hull.

EFFECT: improved operating and servicing conditions.

2 cl, 4 dwg

FIELD: transport.

SUBSTANCE: method of manufacturing water vessel with improved characteristics of penetration into ice includes hull (1) with the first end (2) and the second end (3), which is provided with engine assembly creating main vessel propellent traction while vessel is moving with any end being forward. Engine assembly comprises at least three engine devices of which at least majority is antitorque propeller rotor devices (4) and located on at least two different distances from the second end (3) of vessel so that when the vessel is moving in ice or in ice formations with its second end (3) being forward, propeller rotor with one or more engine devices installed near the second end (3) of the vessel is positioned so that it breaks ice. Propeller rotor with one or more engine devices located further from the second end (3) of the vessel is positioned so that it moves broken ice or pieces of ice further from ice formations. Water vessel with improved characteristics of penetration into ice includes engine assembly with at least three engine devices of which at least majority is antitorque propeller rotor devices (4) and which are located on at least two different distances from the second end (3) of vessel so that when the vessel is moving in ice or in ice formations with its second end (3) being forward, propeller rotor with one or more engine devices installed near the second end (3) of the vessel is positioned so that it breaks ice.

EFFECT: vessel is capable to effectively break ice and move in heavy ice conditions.

11 cl, 2 dwg

FIELD: transport.

SUBSTANCE: invention relates to ship building, particularly to water vehicles with screw propellers. Water vehicle comprises hull, drive tractor propeller that form foam. Said drive incorporates semisubmersible screw propeller that entraps air from ambient medium.

EFFECT: reduced drag, higher efficiency.

FIELD: ship building.

SUBSTANCE: one or several propulsion units (11, 12) are used as both auxiliary lateral thrust device and propulsion unit and arranged to displace in various position within the limits of ship cross section line.

EFFECT: manoeuvring in shallow waters.

11 cl, 3 dwg

FIELD: aircraft engineering.

SUBSTANCE: invention relates to outboard propulsion-steering complexes of watercrafts, mainly hydroplanes and amphibians. Proposed complex consists of power drive and full-rotary column with water propeller arranged in guide nozzle to move out, into transport position, and in. Full-rotary pivot-type column comprises upper angular reduction gear and lower angular reduction gear. Propulsion-steering complex is provided with mechanism transmitting rotation from power drive to water propeller and consisting of driven shaft and toothed coupling. Aforesaid mechanism consists of two parts, i.e. drive and driven. Mechanism drive part accommodates toothed coupling drive part, while driven part of the mechanism accommodates toothed coupling driven part. Propulsion-steering is furnished with fairing arranged on watercraft stern.

EFFECT: improved performances.

3 dwg

FIELD: shipping industry.

SUBSTANCE: invention refers to water equipment and can be used for spatial movement of the object on the surface or inside fluid medium and simultaneously providing the possibility of changing the direction of such movement. Rudder propeller is an electrically driven propulsion device of the floating object and includes screw blades, bladed propeller, and synchronous motor with constant magnets on the rotor. Synchronous motor stator can be rotated about vertical axis by means of other shaftless synchronous motors thus fixing the required position.

EFFECT: eliminating mechanical transmitting links, reducing consumption of materials, and improving manoeuvrability of movement and economy of useful energy conversion.

3 dwg

FIELD: shipbuilding; multi-purpose dry cargo vessels for carrying cargoes in water areas covered with ice and not covered with ice.

SUBSTANCE: proposed multi-purpose dry cargo vessel has hull with fore and aft extremities and sides provided with ice strengthening members. Hull bottom in aft extremity has inclined surface. Extent of cargo holds is no less than half length of vessel and maximum breadth is no less than ¾ of ship's extreme breadth. Main propulsion plant with propulsor is swivel in construction. Slewing axis of main propulsion plant is deflected at angle α from vertical in CL or in plane parallel to CL. Axis of thrust vector is also inclined at angle α from normal relative to slewing axis of main propulsion plant. Angle satisfies condition 0<α≤β/2, where β is angle whose magnitude is equal to magnitude of average angle of inclination of ship's bottom surface in aft extremity relative to ship's waterplane on inclined section of bottom located below level of point of intersection of main propulsion plant slewing axis with propulsor thrust vector axis.

EFFECT: reduced usage of material; enhanced survivability and durability of vessel.

15 cl, 4 dwg

FIELD: engines and pumps.

SUBSTANCE: invention relates to ship building and can be used in structures of ship propellers. A propulsion-steering column includes a column base, a spindle, a drive shaft that is located inside the spindle, a column turning mechanism, an angular gearbox, a streamlined nacelle fixed on the spindle and closing the angular gearbox. A screw propeller and a screw shaft are located inside the housing of the nacelle that adjoins the hub of the screw propeller and transmits torque moment to it. The hub is installed through bearings on the nacelle housing and provided with an end transmitting element. The transmitting element is attached both to the hub of the screw propeller and to the screw shaft.

EFFECT: improving operating reliability of a propulsion-steering column and simplifying replacement of a screw shaft.

4 cl, 2 dwg

FIELD: transport.

SUBSTANCE: invention relates to ship building, particularly, to outboard propulsors. Proposed arrangement comprises the following components: thermal engine, first shaft, variator, second shaft coupled with screw propeller and control system. Variator incorporates unipolar generator fitted on first shaft and electrically connected with unipolar generator fitted on second shaft. Said shaft have no mechanical engagement and support first and second rpm transducers. Control system is connected with thermal engine rpm control unit, rpm transducers and excitation windings of unipolar motor and unipolar generator.

EFFECT: higher reliability, decreased weight and overall dimensions, lower level of interferences at power conversion.

7 cl, 3 dwg

FIELD: transport.

SUBSTANCE: invention relates to ship building and may be used in auxiliary propeller structures. auxiliary propulsion system of waterborne vehicle consist of propeller, system of its extension from waterborne vehicle body and shield-recess which is provided with additional extension system kinematically connected with this shield and located inside waterborne vehicle body.

EFFECT: implementation of invention permits to lower hydraulic resistance of auxiliary propulsion system and to increase its overall thrust.

1 dwg

FIELD: transport.

SUBSTANCE: propeller screw assembly comprises two propeller screws running in opposite directions. One propeller screw features smaller diameter but runs at higher angular velocity and has larger number of blades.

EFFECT: higher efficiency, lower noise.

2 cl

FIELD: water transport facilities.

SUBSTANCE: proposed sea-going ice-breaking transport vessel has hull with keel, forecastle with deck house, fore pointed extremity, aft convex cochleariform lines, aft deck and propulsion-and-steering gears. Hull is additionally provided with flat bulb considerably projecting beyond fore perpendicular. Fore lines are made with U-shaped frames over entire height of side including forecastle superstructure with streamlined deck house; keel is rising in sternpost area; when it is stowed, its lower aft wedge-shaped edge projects beyond sternpost line. Aft cochleariform lines form section of deck which is oval in plan with transom inclined at angle of 45 deg. In underwater portion, lines smoothly change into side bulges-sponsons provided with passageways with longitudinal slots in their bottom part for motion of propulsion-and-steering gears over them. Side bulges-sponsons terminate in falling-out side on external side and falling-home side in their fore part so that line of maximum breadths in this area directed upward and sternward should cross the waterline at angle of 3-6 deg. Extreme breadth of hull over bulges-sponsons in the waterline area exceeds midship breadth. Bottom part of passageway has horizontal or slightly deadrise surface in cross-sections which passes to stern at angle of 1-3 deg. relative to waterline and extends to deck at angle of 45 deg. On both sides of its oval section made in form of shoulder perpendicular to hull CL. Propulsion-and-steering gear includes two all-moving struts with nacelles located in aft section of ship, motors in nacelles for rotating the propellers and load-bearing service lines running to struts from power module of vessel. Struts with nacelles are located on both parts of stern in bulges-sponsons. Each strut with nacelle has streamlined guide stud in form of spherical segment with base directed upward which is equipped with circular thrust sliding bearing over its perimeter; each strut has vertical shaft which is coaxial with segment and is rotated by motor in radial-thrust bearing of carriage located in passageway of bulge-sponson and driven by means of load-bearing service lines on four bevel gear wheels connected in pairs by means of transversal hydraulic cylinders of carriage and driven by hydraulic motors built in them; hydraulic motors are thrown into engagement with inclined toothed racks laid on either side from slot in bottom part of passageway. Width of this slot is equal to diameter of vertical shaft.

EFFECT: enhanced ice passability of vessel.

3 cl, 7 dwg

Swing-out column // 2219101
The invention relates to shipbuilding, namely the swing-out columns, designed for installation on high-speed boats and serving to transmit torque from the engine to the propeller shaft and boat control

The invention relates to marine electric propulsion

The invention relates to shipbuilding and for the creation of devices for active control of ships, providing maneuvering of ships in confined conditions port and mooring in the sea

The invention relates to the field of shipbuilding, in particular to structures for ship propulsion and propulsion type rotary column, and can be used in the design and construction of vessels for various purposes

The invention relates to shipbuilding, in particular in the main propulsion installations of ships

FIELD: water transport facilities.

SUBSTANCE: proposed sea-going ice-breaking transport vessel has hull with keel, forecastle with deck house, fore pointed extremity, aft convex cochleariform lines, aft deck and propulsion-and-steering gears. Hull is additionally provided with flat bulb considerably projecting beyond fore perpendicular. Fore lines are made with U-shaped frames over entire height of side including forecastle superstructure with streamlined deck house; keel is rising in sternpost area; when it is stowed, its lower aft wedge-shaped edge projects beyond sternpost line. Aft cochleariform lines form section of deck which is oval in plan with transom inclined at angle of 45 deg. In underwater portion, lines smoothly change into side bulges-sponsons provided with passageways with longitudinal slots in their bottom part for motion of propulsion-and-steering gears over them. Side bulges-sponsons terminate in falling-out side on external side and falling-home side in their fore part so that line of maximum breadths in this area directed upward and sternward should cross the waterline at angle of 3-6 deg. Extreme breadth of hull over bulges-sponsons in the waterline area exceeds midship breadth. Bottom part of passageway has horizontal or slightly deadrise surface in cross-sections which passes to stern at angle of 1-3 deg. relative to waterline and extends to deck at angle of 45 deg. On both sides of its oval section made in form of shoulder perpendicular to hull CL. Propulsion-and-steering gear includes two all-moving struts with nacelles located in aft section of ship, motors in nacelles for rotating the propellers and load-bearing service lines running to struts from power module of vessel. Struts with nacelles are located on both parts of stern in bulges-sponsons. Each strut with nacelle has streamlined guide stud in form of spherical segment with base directed upward which is equipped with circular thrust sliding bearing over its perimeter; each strut has vertical shaft which is coaxial with segment and is rotated by motor in radial-thrust bearing of carriage located in passageway of bulge-sponson and driven by means of load-bearing service lines on four bevel gear wheels connected in pairs by means of transversal hydraulic cylinders of carriage and driven by hydraulic motors built in them; hydraulic motors are thrown into engagement with inclined toothed racks laid on either side from slot in bottom part of passageway. Width of this slot is equal to diameter of vertical shaft.

EFFECT: enhanced ice passability of vessel.

3 cl, 7 dwg

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