Outboard motor

FIELD: motors and pumps.

SUBSTANCE: invention relates to outboard motors, namely to motors containing an engine. Outboard motor contains an engine containing a cylinder, a crankshaft, an equalizing shaft, two gears, a drive shaft and a propeller. Crankshaft is located in a horizontal direction perpendicular to the thrust direction. Equalizing shaft is located parallel to the direction in which the crankshaft is located, and the movement of the crankshaft is transmitted to the equalizing shaft. First gear is provided on the compensating shaft, and the slow gear of the first gear is transmitted to the second gear. Drive shaft is connected to the second gear and is located in the direction from top to bottom. Propeller rotates by the movement transmitted by the drive shaft.

EFFECT: reduced weight and size characteristics are achieved.

18 cl, 3 dwg

 



 

Same patents:

FIELD: transportation, engines and pumps.

SUBSTANCE: ship screw rudder complex incorporates a drive engine arranged above the ship water line and linked with the ship shaft running in bearing in the nacelle below the water line, the said shaft being coupled with the screw shaft accommodating the propeller screw fitted thereon. The said complex comprises also a top shaft arranged parallel to the lower shaft and coupled with the drive engine output shaft. The top and lower shafts are crankshafts coupled via a con-rod mechanical transmission arranged between them and furnished with rod bearings. Rod and main bearings of the lower crankshaft are water-lubricated plain bearings. The nacelle space can communicate with outboard.

EFFECT: higher reliability and efficiency of screw rudder columns.

3 cl, 2 dwg

Outboard motor // 2098317
The invention relates to shipbuilding, namely, outboard motors, designed to equip small-sized vessels of light class with a small displacement, tourist or business destination

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

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: 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 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: 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: 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

FIELD: shipbuilding.

SUBSTANCE: invention relates to designs of ship electric propulsions of ship electric propulsion systems. Proposed propulsion system comprises encased in sealed streamlined body drive motor, pipe, which connect drive motor with vessel hull, tractor and pusher propellers. Drive motor is bi-rotary, with rotating in different directions stator, which is connected with tractor propeller and rotor, which is connected with pusher propeller. Stator and rotor shafts are aligned and come out of housing of drive motor in opposite directions. Stator of drive motor on outside of the birotatory motor contains current-collecting ring and bearings, resting on motor housing. To collector rings adjoin brushes with brush mechanism secured at ship hull. On inner side of stator between stator and rotor bearings are installed, in which rotor rotates.

EFFECT: higher efficiency, reduced weight and dimensions of the propulsion motor, increased capacity and capacity of ship is achieved.

2 cl, 4 dwg

Outboard motor // 2583991

FIELD: shipbuilding.

SUBSTANCE: invention relates to ship building, namely, to outboard motors. Outboard motor comprises engine with output shaft, sterntube drive, sterntube with drive and driven shafts, propeller screw, screw clamps. Shafts are installed inside sterntube pipe and interconnected by chain transmission. Outboard motor is made quick-detachable. Engine is equipped with horizontal mounting platform and sterntube is equipped with support platform and together with clamps of motor attachment to boat transom is mounted on support platform. Horizontal mounting platform is equipped with dampers and can be arranged on support platform with fixation on it by means of quick-detachable connection. Sterntube drive is made in form of v-belt variator, which drive pulley is installed on engine output shaft and driven pulley is fitted on sterntube drive shaft.

EFFECT: ease of transfer and fast assembly and disassembly of said engine, possibility of changing transmission gear ratio.

3 cl, 7 dwg

FIELD: ship building.

SUBSTANCE: invention relates to ship building, namely to a cooling unit for a power plant of a vessel. Power plant cooling unit includes upper part (22) with part upper end (100), which passes through channel (P1) and is formed between first external bottom (11) and second inner bottom (12) of vessel (10). Part upper end (100) can turn in rolling bearings (300) and is sealed by means of gland (200) relative to vessel (10). Cooling unit comprises system of air ducts (400, 410, 500, 510) for cooling air, at least one fan (600) and at least one cooling device (700). Gland (200) includes upper gland (210) and lower gland (220), which are located along the vertical line at a distance (H1) from each other. Part upper end (100) includes holes (O1). First air duct (400) is directed into space (800) between upper gland (210) and lower gland (220) and then through holes (O1) in part upper end (100) to internal space of post (21) or reverse air flow (L2).

EFFECT: better performance characteristics of cooling unit.

15 cl, 9 dwg

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