Ships or other waterborne vessels and related equipment (B63)

B63            Ships or other waterborne vessels; related equipment(14912)
ooring system connecting element and use thereof // 2607492
FIELD: ship building.SUBSTANCE: invention relates to mooring equipment and can be used for ships and floating structures mooring. Unit in mooring system (1) for floating structures (8), containing at least one anchor rope (2) and at least two other ropes (3, 4), passing in different directions relative to each other and in direction, different from direction of at least one anchor rope (2). Ropes (2, 3, 4) are attached to annular connecting element (6), formed from continuous flexible polymer material.EFFECT: enabling possibility to withstand tensile forces in different directions, not located in one plane.12 cl, 7 dwg
Jacking system with support structure // 2607489
FIELD: mining.SUBSTANCE: group of inventions relates to jacking systems for drilling and production at sea areas exposed to icing. Jacking system with support structure comprises a working deck structure, a plurality of support columns movably connected to the working deck structure, cantilever arranged on the working deck structure, drilling derrick located on the cantilever, two or more support main structures, located on the sea bottom and a plurality of movable supports, each of which is rigidly connected to the working deck structure. Working deck structure, and a plurality of support columns, cantilever and drilling derrick form a jacking drilling assembly. Method consists in the fact that during assembling of the jacking system with support structure, a plurality of movable supports pass from the working deck structure to the upper surface of said two or more support main structures, and a plurality of support columns support the jacking drilling assembly, and after assembling of the jacking system with support structures, said two or more support main structures support the working deck structure via the movable supports, and said plurality of support columns is being removed from water in required position.EFFECT: technical result is supporting of the jacking assembly.8 cl, 9 dwg
Water-jet propulsor // 2607151
FIELD: hydraulic engineering.SUBSTANCE: invention relates to devices for floating objects displacement on water and under water. Water-jet propeller comprises water-jet pipe and propulsor. Water-jet pipe is made of coaxially connected to each other cowling, cylinder, taper adapter and nozzle with discharge valve. On water-jet pipe conical adapter side surface branch pipe with suction valve is installed. Between cowling and cylinder partition with central bore is arranged. Propulsor includes storage battery and solenoid with core fixed on partition installed in cowling, which is connected with piston, which is spring-loaded by bellows arranged in cylinder. One end of bellows is leak-tight connected with partition, and other is with piston. Piston is equipped with head in form of hollow truncated cone with plugged smaller base.EFFECT: enabling simplified design and reduced noise during water-jet propulsor operation.1 cl, 1 dwg
Fore end of high-speed surface ship or relatively low-speed civil ship of high thunderstorm navigability and ice flotation in autonomous navigation // 2607136
FIELD: ship building.SUBSTANCE: invention relates to ship building, particularly, to designing ship hull fore end shape, used in complex storm and ice conditions of navigation. Better running and maneuvering characteristics at intensive hurricane waves, antipitching, reduced risk of icing top decks are achieved by means of the special stem and bilge entrance lines configuration: bent or vertical stem for shock-free cutting storm waves peaks, to move in ice in the icebreaker mode, with storm undercut in the lower part of the stem for releasing rambling under conditions of intensive rolling and pitching motion, with hardening the lower part of the stem and sharpened surface part of the stem-icebreaker, surface frames are optimized from small flare, stabilizing active thunderstorm move before their tumble home with reduction of tank height for compensation of pitching due to flooding foredeck of low-speed ships, Bow formation defines the beginning of the helical surface at the level of variable waterlines from the stem to separation zone of the divergent ship wave, that compensates the force impact of opposite storm waves and is reduces running trim, behind the separation zone of the ship wave there is a convex bend of molded frame circuits to form the tumble home and underwater bulges in the middle part of the hull, which reduces rolling motion in storm conditions.EFFECT: reduced rolling motion.1 cl, 2 dwg
Aft end of ship stabilized for storm sailing // 2607135
FIELD: ship building.SUBSTANCE: invention relates to ship building, particularly, to designing ship hull aft end shape, used in complex storm and ice conditions of navigation. Disclosed is a aft end of the ship stabilized for storm navigation, formed by a stern post and stern counter, made in one-or twin screw version of the propulsors installation with possibility of using wing stabilizers of the remaining rolling and pitching motion and with two helical surfaces configuration for hydrodynamic stabilization of running pitch on calm water and under conditions of intense storm waves: first – at the level of variable waterlines with length from the tumble home of frames on board bulges to sharpened aft end scale of the cruiser stern, and second helical surface resting on keel line with twisting of water flow in opposite direction from under the bottom upwards in the zone of propeller-rudder complex, bilge entrance lines during conjugation of said helical surfaces creates conditions of mutual compensation of vortex flows under stern counter, that is required for general stabilization translational flow and damping of external wave disturbances in the zone of roll rudders and stabilizers action.EFFECT: invention promotes better navigation and low rolling in conditions of intense storm waves, prevents spray icing top decks and causes the possibility of independent navigation in moderate ice.1 cl, 2 dwg
Boat scaffold device and use thereof // 2606733
FIELD: construction.SUBSTANCE: device for boat scaffold structure containing sections of boat scaffold resting on pontoons. Corresponding end sections of two adjacent sections of boat scaffold are installed with possibility of rotation about horizontally on a common supporting pontoon with the help of accordingly formed by male and female connecting elements. Connecting elements, associated with said two adjacent sections, are connected to the locking element, which restricts their mutual rotational movement between the position, wherein the sections approximately parallel to each other, and the position in which they form an angle α which is less than 180°.EFFECT: structure comprises means to coordinate relative rotary motion sections, so that, when one section is turned about its support in pontoon, the other section is turned in opposite direction about its support in pontoon.18 cl, 10 dwg
ethod of surface or underwater object magnetic field parameters measuring on stationary magnetic test bench // 2606649
FIELD: machine building.SUBSTANCE: invention relates to surface or underwater objects magnetic protection. Surface or underwater object magnetic field parameters measuring on stationary magnetic test bench is made in at least two different fixed positions relative to test bench. Location of object in initial and subsequent fixed positions relative to test bench is carried out by mooring object to boom, which is fixed relative to test bench and has at least two places for object mooring. During object mooring to them mooring points provide specified offset relative to test bench.EFFECT: enabling possibility of test bench using for various displacement objects magnetic field parameters measuring with required accuracy.1 cl, 3 dwg
Pipe laying ship (versions) and method of pipeline laying (versions) // 2606540
FIELD: transport.SUBSTANCE: group of inventions relates to pipeline transport and can be used for laying pipelines at the reservoir bottom from a ship. Pipe laying ship includes the main deck and a pipe laying derrick directed upwards from the ship. Derrick comprises a first bottom section directed upward from its proximal end to its distal end located above main deck (103), and second upper section (311) movably installed on the first bottom section. Pipe laying derrick can displace between the first pipe laying position, in which second upper section (311) is located above the first bottom section, and the second folded position, in which second upper section (311) is moved relative to the first bottom section, and total height of the pipe laying derrick is reduced. Pipe is installed with the possibility of movement in the process of laying from second upper section (311) to the first bottom section.EFFECT: technical result: improvement of stability, reliability and durability of the pipe laying derrick and the pipe laying ship in general due to reduction of the derrick center of gravity, higher maneuverability and trafficability of the ship by reducing the derrick height, higher efficiency of loading the pipes on the pipe laying derrick.30 cl, 24 dwg
Ship of tunnel-sidewall craft type // 2606429
FIELD: ship building.SUBSTANCE: invention relates to shipbuilding, particularly, to designing ships of the tunnel-sidewall craft type and can be used in construction of landing craft. Proposed is a ship of the tunnel-sidewall craft type comprising a hull having a bottom with a longitudinal tunnel provided with an upper U-shaped arch with generatrices parallel to the ship centerline plane, in the fore and the aft ends there are movable enclosures, in the hull there is a high pressure air blower, in the waterline plane there are onboard rotary propulsors having a stationary shell covering the upper part of the propulsor and a shell moving around the axis of the propulsor covering the lower part of the propulsor in motion of the ship in the cruise speed mode.EFFECT: technical result from using the present invention is improvement of operational characteristics of the ship of the tunnel-sidewall craft type.1 cl, 2 dwg
ethod of exploitation of underwater vehicles // 2606150
FIELD: military equipment.SUBSTANCE: invention relates to methods of exploitation of armament and military equipment, namely to methods of exploitation of underwater vehicles (UV) for different carriers, such as submarines, surface ships and coastal complexes. Proposed method of UV exploitation concerns conditions of placing and storing UV on carrier with use of storage device in form of belt or chain conveyor with trays or holders for UV storage or containers with UV, as well as sequence of operations of UV start preparation using starting device depending on type of carrier, which can be submarine, surface ship or coastal complex.EFFECT: invention provides: simplification and acceleration of UV loading on carrier, increased capacity of UV carrier, increased safety of UV carrier, increased range UV, received by carrier, reduced time delays between UV launches, higher secrecy of carrier, when executing UV start.3 cl, 2 tbl

Pontoon to maintain faulty objects afloat // 2605659
FIELD: transportation.SUBSTANCE: invention relates to pontoons, which are used to maintain faulty or lifted ships afloat at their towing to basing sites. Pontoon to maintain faulty objects afloat comprises flat-sided hull, drained compartments, system of compartments flooding and drying, eyebolts for lashing and towing, necks with covers for passage into compartments, stropping devices with rockers, flutes, guides for slings, tight fit provision devices. Tight fit provision devices are made in form of thrust spacers, each of which is equipped with replaceable inserts and ledges. Thrust spacers external surface shape corresponds to submarine hull at pontoon installation point. L-shaped guides are installed on pontoon hull. Thrust spacers ledges and guides are equipped with openings for pins, using which thrust spacer is fixed on pontoon in working position.EFFECT: enabling improved operating characteristics of pontoon.1 cl, 2 dwg

Design and method for underwater activity // 2605471
FIELD: sports.SUBSTANCE: invention relates to design and method for underwater activity, for example, such as underwater sports, training and scuba diving. More specifically, the present invention relates to design for underwater activity, which comprises a tank, completely or partially filled with water and equipped with one or more openings for entering the tank and water located in it. Design for underwater activity comprises a tank, which comprises at least one wall and at least one opening for entering the tank, tank is made with possibility of complete or partial filling with water, and the design additionally comprises a container intended for filling, at least, partially with water, to accommodate said tank so, that a lower part of the tank, comprising at least one opening, is located under the level of water mass surface in said container, said lower part of the tank, being placed into the container, is configured to form together with the container wall an upper part of the container, which maintains, through said opening of the lower part of the tank, pressure difference between said upper part of the container and space inside the tank, when water is introduced into this tank. Method for underwater activity comprises a step of complete or partial filling space formed by at least one tank wall with water, and the tank has at least one opening for penetration into the space inside the tank, method also comprises at least partial filling the container with water, placing said tank into the container so that the lower part of the tank, comprising at least one opening, is located below the level of water mass surface in said container, said lower part of the tank, being inserted into the container, forms together with the container wall an upper part of the container, which, thus, maintains, through said opening of the lower part of the tank, pressure difference between said upper part of the container and space inside the tank, when water is introduced into this tank, when water is introduced into this space of the tank.EFFECT: technical result is making a design, ensuring easy and safe training and testing underwater activity, as well as allowing viewers being outside water easy observing underwater activity.16 cl, 10 dwg

ulti-shaft ship electric power plant // 2605449
FIELD: electricity.SUBSTANCE: using is in electrical engineering, shipbuilding. According to invention, multi-shaft vessel electric power plant comprises steam generating plant with accident protection system, turbines, main synchronous generators, controlled semiconductor power converters, propulsion motors, at least two main distribution buses, each of which is receiving power from two or more parallel operating main synchronous generators, critical consumers power buses, matching units, electric power converters and supply feeders from shore. Plant includes additional distribution buses, which number is equal to that of main distribution buses, mounted synchronous generators, connected in parallel to additional distribution buses and matching device, included in between additional distribution buses, critical consumers power supply busbars and accident protection system, in its turn critical consumers power supply buses are connected to additional buses via matching units and stabilized converters. At that, main and additional distribution buses are connected to each other via controlled rectifiers and driven inverters, between main distribution buses disconnector is installed.EFFECT: higher reliability and efficiency, broader functional capabilities of electric power plant.1 cl, 2 dwg

Waterborne vehicle for amphibious vehicles // 2605136
FIELD: transportation.SUBSTANCE: invention relates to amphibious vehicles. Waterborne vehicle is a displacement non-self-propelled body with a streamlined shape and dimensions, selected from a condition of optimal reduction of hydrodynamic resistance. Body consists of a front, two lateral and bottom parts. In bottom part there are openings for contact of ground propulsor of amphibia with bearing surface and water supply to propulsor of amphibia. Body can be secured in its internal volume of amphibia.EFFECT: reduced hydrodynamic resistance of amphibious vehicle when moving afloat, increased margin of buoyancy, increased duration of stay and distance travelled by vehicle afloat, increased navigability when overcoming a breaking wave.3 cl, 7 dwg

Floating structure // 2604932
FIELD: water sports equipment.SUBSTANCE: invention relates to water sports equipment and can be used for performance of various types of underwater show or sport events. Floating structure (1, 11) comprises a reservoir (2, 12) partially or completely filled with water. Reservoir is made with transparent walls or walls containing transparent sections, and space (3, 5, 6) completely or partially surrounding the reservoir. Also the reservoir comprises at least one opening providing arrival of surrounding water in it. Space (3, 5, 6) surrounding the reservoir (2, 12) is closed with formation of inner observation zone for monitoring activities performed inside the reservoir.EFFECT: possibility of monitoring underwater activities performed inside the reservoir is obtained.11 cl, 6 dwg

ethod and device for collecting oil and oil products from under ice cover of water body // 2604931
FIELD: ecology.SUBSTANCE: invention relates to environmental protection and can be used in oil spills (oil products) under ice cover mainly of Arctic water bodies. Disclosed is a method of collecting oil or oil product from under ice cover of a water body, including localisation of oil or oil product stain and further removal of oil or oil product by pumping in into an oil receiver. In area of localisation of oil or oil product stain under ice cover is supplied at least one pontoon, which is inflated with air in amount sufficient to create lift, sufficient for lifting and deformation of ice cover to form a dome in area of oil or oil product stain localisation, providing for collection of oil or oil product, located between surface of water and ice cover. Device for implementing method is disclosed.EFFECT: increasing efficiency of collecting oil 1,8 to 2,6 times and reducing labour input 4-6 times.24 cl, 5 dwg

Device for floating crafts fixation // 2604917
FIELD: ship building.SUBSTANCE: invention relates to ship building, namely to floating crafts at berth fixation devices. Device for floating crafts attachment, particularly boats and ladders, at berth comprises at least two retaining booms, which are secured by fasteners from one end at floating craft, and at other end at berth on corresponding mooring devices. Retaining booms consist of two telescopically moving one into another adjacent booms, which rest on each other by means of spring device. Spring device comprises thrust bodies, which are located at distance in boom longitudinal direction, and elastomer spring bodies arranged between thrust bodies. Thrust bodies cover spring bodies with thrust ledges.EFFECT: enabling structure higher strength and ease of maintenance.8 cl, 6 dwg

ethod for sheet ice breaking // 2604513
FIELD: ship building.SUBSTANCE: invention relates to underwater vessel ice breaking method by means of bending-gravity waves excitation in ice in vessel motion with resonance speed. Method consists in wave resistance increase due to increased temperature of water under ice cover. At that, vessel is moved under ice with heating elements previously installed on upper deck, for time, during which she passes through distance not less than two lengths of resonance flexural-gravity waves. Then vessel is turned for 180°, heating elements are disconnected and moved in reverse direction with resonance speed.EFFECT: invention ensures increasing of breaking ice thickness.1 cl, 2 dwg

Ice breaker aft // 2604253
FIELD: ship building.SUBSTANCE: invention relates to ship building, and concerns ice breakers operation during ice-going vessels towing in waters with ice cover, namely vessels with bulge bow. Ice breaker aft part has underwater end and surface end, overhanging counter with installed in it propeller with cowl, rudder control system. Surface end is made with external edge and aft cutout, provided with boat fender, to accommodate ice-going vessel nose towed by “close-by” method. Towed ship nose part is made with bulge. Ice breaker aft surface end is extended by value, equal to, at least distance between propeller fairing and ice breaker aft surface end outer edge before elongation, with formation of space between towed ship bulge bow and propeller.EFFECT: technical result consists in improvement of operational reliability of ice breaker towing of ice-going vessels having bulge bow.1 cl, 3 dwg

Lifeboat with hydro wave propulsion device // 2604252
FIELD: ship building.SUBSTANCE: invention relates to shipbuilding, in particular, to small floating vehicles, boats and rafts, as well as to their propulsion gears, in particular, to propulsion propeller drive. Lifeboat with hydro wave propulsion device consists of cradle with passengers seats, which has possibility of cyclic oscillations at angle of ±α at boat pitching on waves. Cradle ends are aligned with vertical arc sectors, centers of which are connected with its vibration horizontal axis. Horizontal axis is located across boat hull. For cradle center of mass stable orientation to center of Earth, it is installed horizontally on support wheels with their axes, which have possibility of free rotation in supports installed in boat hull. Supports are arranged along boat axis with cradle arc sectors bases and free roll on support wheels. Cradle center of gravity is aligned with end arc sectors vertical axial cross-section. Support wheels axes of rotation are articulated with electric generators rotors shafts, which are installed in boat hull.EFFECT: enabling simplified device to provide boat motion.20 cl, 7 dwg

Sails system and methods of its installation // 2604251
FIELD: ship building.SUBSTANCE: invention relates to ship building, particularly, to water-crafts, which are equipped with sails. Sail system comprises lifting sails. Sails are installed onboard of the ship along periphery at the right and left broadsides of ship hull to lift sails into working position. Sails are fixed with their tops on expansible ropes of the right and left broadsides, and with their lower parts of sails are fixed on rotary spars. One side of the rotary spars are hinged on the side walls of the right or left broadsides of the ship hull, and the second side are fixed on expansible ropes to set spars with sails into working position. Sails is lifted with expansible ropes on which they are fixed by their tops in order to set the sails system into working position, and the opposite ends of these ropes on both sides are pulled with winches, ends of the expansible ropes pass through the guide elements. Guide elements are installed on stands, which are arranged in the forebody of the ship hull and in the area of its wheelhouse, and to turn the spars on which the sails are fastened by its bottom part, they are moved by the means of the expansible ropes connected to the spars with a drive of both ends from expansible winches.EFFECT: achieving simple and reliable operation.18 cl, 3 dwg

Pontoon bridge // 2604043
FIELD: construction.SUBSTANCE: invention relates to bridge means, namely to floating bridges and ferries. Floating bridge comprises two coastal parts, each of which consists of end pontoon and two coastal pontoons, rigidly interconnected by their sides and fixed on coastal braces, equipped with ramps, and inner part consisting of anchor and intermediate pontoons, rigidly interconnected with possibility of rotation of two sections in places of passage channel and having anti-different device and cable system attached to bottom anchors. Anti-different device is made in form of pin with cone-shaped end, fixed rigidly on one pontoon and receiving hole made in other pontoon, which forms gap along circumference from 5 mm to 1 cm at connection with pin, and rigid connection is made by cable ties belting oval-shaped supports arranged on fixed pontoons, and twisting of two threads in center with rigid fixation, rope ends are rigidly fixed by sleeve.EFFECT: technical result is increase of carrying capacity of bridge owing to increasing its transverse strength.1 cl, 4 dwg

arine rescue research ship // 2603818
FIELD: shipbuilding.SUBSTANCE: invention relates to ship building and navigation in severe storm and ice conditions. Invention covers all-weather sea rescue research ship created with orientation on multigrade and all-weather navigation in the Far-Eastern seas of Russia. Invention defines optimized hull form, as well as design and arrangement of superstructure, devices and mechanisms of the ship.EFFECT: technical result consists in minimizing of external force action on the side of the hurricane winds and storm waves at active ship maneuvering.1 cl, 4 dwg

Ship with hydro wave energy power plant // 2603813
FIELD: ship building.SUBSTANCE: invention relates to ship building, namely, to internal arrangement of ship hulls, engines and placement of loads, as well as to hydro wave power industry, in particular, to electric generators. Vessel with hydro wave propulsor uses its hull roll energy by waves and wind and comprises loads moving relative to ship hull, which are articulated with electric generators rotors shafts. Loads bases are made along arc of circle and have possibility of arched movement in its hull. For formation of hydro wave propulsor energy potential due to weight of cargo transported by ship, which are arranged in containers cylinders sectors with arc base introduced into its hull sections. Weights are fitted on parallel to base support rollers with possibility of container with load base stable orientation to center of Earth in vertical plane and base arch free rotation on support rollers at ship hull rolling by wind and waves. support rollers are articulated with electric generators rotors or stators.EFFECT: enabling expanded operating performances and higher efficiency of operation by increasing amount of roll energy.25 cl, 12 dwg

Lifeboat with hydro wave propulsion device // 2603812
FIELD: ship building.SUBSTANCE: invention relates to shipbuilding, in particular, to small floating vehicles, boats and rafts, as well as to their propulsion gears, in particular, to propulsion propeller drive. Lifeboat with hydro wave propulsion device consists of cradle with passengers seats, which has possibility of cyclic oscillations at angle of ±α at boat pitching on waves. Cradle ends are aligned with vertical arc sectors. Centers of arc sectors are connected with its vibration horizontal axis, which is located across boat hull. On cradle side sides support wheels are installed in supports with possibility of free rotation on axes rigidly connected with them, and due to cradle center of mass stable orientation to center of Earth, it is located horizontally with possibility of free rolling on support wheels by concave arc guides mounted along boat axis, which vertical axis is connected with its center of mass. Support wheels axes are articulated with electric generators rotors shafts, which secured at cradle.EFFECT: enabling simplified device to provide boat motion.20 cl, 7 dwg

Vessel for transportation of soil during dredging // 2603810
FIELD: ship building.SUBSTANCE: invention relates to ship building, namely to vessels for transportation of soil during dredging. Proposed vessel for transportation of soil containing two central compartments disengaged with a blind bulkhead to receive liquid soil from a dredger, and toward the stern and the bow there are two compartments connected to each other and to the central compartments with overflow pipes with locking devices.EFFECT: providing higher efficiency of dredging and the possibility to discharge soil both into a water reservoir and onto the shore.1 cl, 2 dwg

Ship seaplane lifting and launching system "dorozhka" // 2603807
FIELD: ship building.SUBSTANCE: invention relates to ship building and can be used for loading and unloading of seaplane on vessel. Marine complex comprises ballast system. Ramp with flap is installed on two inclined guides arranged at boards. Ramp includes drive and seaplane fixation device and made retractable with three tracks. Part of tracks is submerged at safe depth.EFFECT: enabling higher efficiency of seaplane lowering-lifting system operation and safe operation during operation.3 cl, 6 dwg

ultipurpose transport ship // 2603709
FIELD: shipbuilding.SUBSTANCE: invention relates to shipbuilding and navigation in severe and stormy conditions on far ocean lines. Invention relates to the multipurpose transport ship designed for all-season and all-weather navigation in the Far-Eastern seas of Russia capable to all-season and all-weather servicing of unimproved sea and ocean communications at the Far East and polar regions of Russia. Lines, hull shape and overall architectural look of the multipurpose ship are formed as a result of analysis of running and sea trails of ship models.EFFECT: invention is aimed at minimization of external force action on the vessel on the side of the hurricane winds and storm waves, achieving the minimum of all types of rolling and preset speed on any courses relative to the hurricane wind and ridges of storm waves.1 cl, 2 dwg

Floating storage of liquefied natural gas // 2603436
FIELD: gas industry.SUBSTANCE: invention relates to production of liquefied natural gas on Arctic seas continental plate and can be used for accumulation, storage and distribution of liquefied natural gas (LNG). Ice-resistant ship hull (1) of floating LNG storage consists of circular inclined board with flat bottom (2), in the middle of which spherical bulge (3) is arranged. From above hull (1) is closed by deck (4) inclined to boards. In ship hull bottom (2) spherical bulge (3) through heat-insulating layer (5) cryogenic spherical reservoir (6) is installed with double walls and heat insulating vacuumed cavity between them. LNG filling and output cryogenic pipelines (7) are located inside reservoir (6) from its head (8) to lower level. Outside tank (6) pipelines (7) are located in passage (9) closed from outer side. Under deck superstructure (10) and deck (4) shaft (11) with lift and ladders is located to ice-resistant ship hull (1) flat bottom (2). On flat bottom (2) process compartments (12) are located, as well as combined power plant propulsor compartment (13).EFFECT: enabling possibility of simplified LNG production and transportation system on Arctic seas continental plate, as well as improving its reliability.1 cl, 5 dwg

arine self-propelled self-elevating crane vessel // 2603423
FIELD: ship building.SUBSTANCE: invention relates to ship building and can be used to create self-elevating crane vessels, optimized for performing construction and erection works at offshore oil and gas production facilities. Marine self-propelled self-elevating crane vessel comprises hull and support-elevating device with three supports, with has shoes and portals with lifting mechanisms, as well as full revolving hoisting crane. Hull is made with ship hull lines. Surface part of hull in aft is made with onboard lugs-sponsons, which are interconnected by strong volumetric structure, superstructure. In onboard lugs-sponsons recesses are made to accommodate supports shoes. In hull aft part two supports are mounted at ship sides on said lugs-sponsons so, that in travel position shoes of said supports are arranged above waterline and recessed in said recesses in lugs-sponsons, and middle support is mounted in ship hull diametrical plane. Lifting crane is mounted with possibility to rotate its rotary part around central support.EFFECT: enabling expanded operational functionality of self-elevating crane vessels.1 cl, 6 dwg

ethod for sheet ice breaking // 2603422
FIELD: ice-technology.SUBSTANCE: invention relates to ice-technology, particularly to ice breaking. Method of ice breaking is performed by air-cushion ship during its movement over ice with resonance speed. After excitation in ice of resonance flexural-gravity waves ship, within moving behind it with resonance speed first wave trough is imparted additional periodic reciprocating movements in direction of its movement with frequency of resonance flexural-gravity waves. Movements are provided maximum within wave troughs, that is equal to half their length, and ship is imparted lengthwise rolling with frequency of resonance flexural-gravity waves.EFFECT: technical result consists in improvement of efficiency of ice breaking.1 cl, 1 dwg

Off-shore self-elevating platform // 2603421
FIELD: hydraulic engineering.SUBSTANCE: invention relates to hydrotechnical structures and can be used during development of offshore drilling self-lifting installations intended for operation under ice conditions. Offshore self-elevating platform comprises body and three or more support columns with step hydraulic lifting mechanisms and pads. Pad and icebreaker are mounted with possibility of movement and fixation relative to supporting column in required position in height by vertical brackets installed on them. In upper parts of brackets controlled lock mechanisms are installed to fix ice-breaker at ice waterline level and pad fixation at level, required for design supporting column penetration into soil. In ice-breaker housing recesses are made for pad brackets passage. Ice-breaker brackets are shifted relative to pad brackets along circumference. Each support column is provided with additional holes for ice-breaker fastening relative to latter.EFFECT: enabling possibility of platform operational capabilities expansion by enabling operation under heavy ice conditions with simultaneous reliability and safety improvement.6 cl, 9 dwg

Offshore ice-resistant process platform // 2603340
FIELD: machine building.SUBSTANCE: ice-resistant offshore platform includes above-water section 1 with horizontal process platform 2 from above, communicated with underwater part 3, made in form of displacement-type hull, anchor retention system, ballast tanks 8 arranged in displacement-type hull. Above water part 1 in area of ice waterline 9 is made in form of ice breaking cone 10, facing by narrowing downwards. Underwater part 3 upper section 11 is made in form of cone, facing by narrowing upwards. Ice-resistant platform hull is made leak-tight, with possibility of complete immersion under water. Ballast tanks 8 are made with equal volume and arranged symmetrically relative to ice-resistant platform hull 15 longitudinal axis of symmetry, and their total volume should not be less than value, defined from expression Vb.c.=Pv.p.-Pt.l., where Vb.c. is ballast tanks total volume, m3; Pv.p. is buoyancy force acting on ice-resistant platform hull, at its full submersion, t; Pt.l. is total platform immersion winches traction, t. Anchor retention system comprises anchors 5, which by ropes 6 are connected to anchor winches 7 arranged in displacing hull, uniformly along its perimeter. Platform is equipped with additional anchor system, containing anchors 12, which by ropes 13 are connected to immersion winches 14, installed in displacing hull symmetrically relative to its longitudinal axis 15 at equal distances from each other. Hull bottom 18 is rounded and symmetrical relative to its longitudinal axis of symmetry 15.EFFECT: ensuring platform operation safety at ice fields movements onto it with thickness exceeding 10 m, due to platform immersion below ice fields (icebergs) underwater part.1 cl, 2 dwg

ethod for sheet ice breaking // 2603287
FIELD: ice-technology.SUBSTANCE: invention relates to ice-technology, particularly to ice breaking. Method of ice breaking is performed by air-cushion ship during its movement over ice with resonance speed. At that after excitation in ice resonance flexural-gravity waves ship within moving behind it with resonance speed first recess of waves is imparted additional periodic reciprocating movements in direction of its movement with frequency of resonance flexural-gravity waves. At that movements provide as maximum within recesses of waves, i.e. equal to half their length, and pressure in the air-cushion of ship is periodically changed with frequency of resonance flexural-gravity waves.EFFECT: technical result consists in improvement of efficiency of ice breaking.1 cl, 1 dwg

Floating offshore platform and centralised open keel plate // 2603172
FIELD: oil and gas industry.SUBSTANCE: invention relates to offshore floating structures and can be used during exploration and production of offshore oil and gas. Floating offshore platform, comprises a housing having a plurality of vertically extending columns connected to pontoons. Pontoons are arranged at least partially below a surface of water. Keel plate is located at level of keel of platform in centre of open area of housing. Plate is configured to be arranged at least partially below water surface. Between at least a section of external perimeter of keel plate and internal perimeter of housing there is a gap.EFFECT: improved stability of offshore platform.9 cl, 6 dwg

Hybrid fuel supply system and method for engine of vessel // 2602714
FIELD: engines and pumps.SUBSTANCE: invention can be used in fuel supply systems of vessel internal combustion engines (ICE). Disclosed is a hybrid fuel supply system for engine of vessel, comprising: compression device (200) configured to compress boil-off gas generated from liquefied natural gas stored in an cargo tank; high pressure pump (300) configured to compress liquefied natural gas supplied from the cargo tank; vaporizer (310) configured to vaporize the liquefied natural gas compressed by the high pressure pump, and an engine (100) to which the boil-off gas compressed through compression device (200) or liquefied natural gas, compressed by high pressure pump (300) and vaporized in the vaporizer (310), are supplied as fuel. Engine of the vessel uses high pressure gas compressed at 150 to 400 bar.EFFECT: disclosed is a hybrid fuel supply system for engine of vessel.10 cl, 4 dwg

Underwater vehicle buoyancy changing system // 2602640
FIELD: shipbuilding; data processing.SUBSTANCE: invention relates to underwater vehicles buoyancy control moving in depth, and, in particular, autonomous underwater vehicles. Underwater vehicle buoyancy changing system comprises vessel with working medium, receiver, pump station, buoyancy changing system control device, and used working medium is liquid. System includes hydropneumatic accumulator and four solenoid-operated hydraulic valves, one of which is included into main line, which connects vessel with working medium to receiver. Second is included into main line, which connects pump station output to receiver. Third is included into main line, which connects the of the pump station output to hydropneumatic accumulator. Fourth is included into main line, which connects hydropneumatic accumulator to receiver. All solenoid-operated hydraulic valves and pumping station control inputs are connected to corresponding outputs of buoyancy control device electronic circuit.EFFECT: enabling higher efficiency of underwater vehicle buoyancy changing system, increased duration of its autonomous operation and possibility of its operation in whole range of submersion depths, from zero to maximum.1 cl, 1 dwg

Aircraft carrier // 2602639
FIELD: shipbuilding; aircraft engineering.SUBSTANCE: invention relates to aircraft carriers structures, particularly, to designs of runways and platforms to accommodate deck aircraft. Proposed is an aircraft carrier made with located one above the other two decks: the main and the additional retractable ones. On the main open deck there is a runway, along which the aircraft parking is arranged. On the additional retractable deck there is a landing strip and a platform, which can also accommodate a parking for aircraft. Additional retractable deck can extend or be moved in the aircraft carrier hull depending on the environment. In the rear part of the additional retractable deck there is a stabilization system made in the form of vessels-pontoons equipped with motor units with screw propellers and supports connected with the additional deck and vessels-pontoons.EFFECT: technical result is improvement of safety of aircraft landing, higher maneuverability of the aircraft carrier and efficiency of rescue means.4 cl, 4 dwg

Soft lifting pontoon // 2602444
FIELD: machine building.SUBSTANCE: invention relates to ship lifting means and can be used when performing works on pulling sunken objects. Soft lifting pontoon comprises inflatable cylindrical shell, shell blowing system, suspension assemblies and towing pontoon. Suspension system is made as assembled slings enveloping shell and inserted in guides mounted on shell outer side. Ends of collecting connection beam are equipped with jointing assemblies interacting with strapping of pontoons with mating parts fitted at ends of cross member-strap-shortening device.EFFECT: higher efficiency of using pontoon.1 cl, 4 dwg

Water displacing craft with air cavity on the bottom with trimming-heeling system // 2601997
FIELD: ship building.SUBSTANCE: invention relates to ship building and relates to marine large-capacity transport ships with synthetic cavity on the bottom with trimming-heeling system, that are made to be used in ice fields, including conditions of shallow depths of Baltic Sea and Arctic Shelf. Present ship has bottom recess to make single air cavity with wave profile, which starts with redan in the fore part and is limited by skegs on boards and aft vault that has the shape of inclined plate. Recess cavity is linked with air compressing system and with system that drains air out of it. Inside the recess there are lengthwise keels, which divide the cavity into lengthwise sections, and transverse peaks in the form of inclined plates, following downstream one by one. Air draining and air compressing system that are in the lengthwise sections of recess, and also in fore and after deck parts of every lengthwise section, limited with peaks, are made independent from each other with possibility of separate supply and bleeding of air.EFFECT: invention is made to improve exploitation parameters, increase economic efficiency and improve icebreaking capability of marine large-capacity transport ships with air cavity on the bottom.1 cl, 2 dwg

Device and method of laying rockfill at given site at bottom of water body // 2601567
FIELD: construction.SUBSTANCE: invention relates to a device for laying rockfill at a given site at bottom of water reservoir. Device comprises vessel, discharge pipe extending inclined with significant vertical component and connected on its upper end with vessel by a gripping device, and means of feeding rockfill for loading from upper end of discharge pipe. Gripping device comprises bearing structure for discharge pipe fitted at an angle to vertical by means of adjusting installation angle of discharge pipe. Method of assembling discharge pipe from discharge pipe sections from vessel is performed by means of vessel, equipped with gripping device, which comprises bearing structure for discharge pipe fitted at an angle to vertical by means of adjusting installation angle of discharge pipe, wherein first section of discharge pipe is lowered into bearing structure by a lifting device, second section of discharge pipe is lowered onto first section of discharge pipe by lifting device and first and second sections of discharge pipe are connected to each other.EFFECT: invention also relates to a method of laying rockfill at a given site at bottom of a water body, performed by said device for laying rockfill; providing accuracy of installation in required position of lower surface of discharge pipe, eliminating risk of damage of structure when laying rockfill.18 cl, 11 dwg

ethod of breaking ice // 2601547
FIELD: shipbuilding.SUBSTANCE: invention relates to ice-technology, particularly to ice breaking. Method of ice breaking is performed by air-cushion ship during its movement over ice with resonance speed. After excitation of resonance flexural-gravity waves in ice, to ship within first wave trough moving behind it with resonance speed are fed periodic reciprocating movements in direction of its movement with resonance frequency of flexural-gravity waves. Movement is provided maximum within wave troughs, that is equal to half their length, and ship during its movement after passing wave troughs are generated pitch up.EFFECT: higher efficiency of ice breaking.1 cl, 1 dwg

ethod of breaking ice // 2601546
FIELD: shipbuilding.SUBSTANCE: invention relates to ice-technology, particularly to ice breaking. Method of ice breaking is performed by air-cushion ship during its movement over ice with resonance speed. After excitation of resonance flexural-gravity waves in ice, to ship within first wave trough moving behind it with resonance speed are fed periodic reciprocating movements in direction of its movement with resonance frequency of flexural-gravity waves. Movement is performed within a quarter wavelength.EFFECT: higher efficiency of ice breaking.1 cl, 1 dwg

ethod of breaking ice // 2601545
FIELD: shipbuilding.SUBSTANCE: invention relates to ice-technology, particularly to ice breaking. Method of ice breaking is performed by air-cushion ship during its movement over ice with resonance speed. After excitation of resonance flexural-gravity waves in ice, to ship within first wave trough moving behind it with resonance speed are fed periodic reciprocating movements in direction of its movement with resonance frequency of flexural-gravity waves. Movement is provided maximum within wave troughs, that is equal to half their length, and at moment of repeated passage of vessel bottom bending-gravity wave of its body generates vertical shocks at ice cover with frequency of resonance flexural-gravity waves.EFFECT: higher efficiency of ice breaking.1 cl, 1 dwg

ethod of breaking ice // 2601544
FIELD: shipbuilding.SUBSTANCE: invention relates to ice-technology, particularly to ice breaking. Method of ice breaking is performed by air-cushion ship during its movement over ice with resonance speed. After excitation of resonance flexural-gravity waves in ice, to ship within first wave trough moving behind it with resonance speed are fed periodic reciprocating movements in direction of its movement with resonance frequency of flexural-gravity waves. Movement is provided maximum within wave troughs that is equal to half their length, simultaneously, vessel is rotated about vertical axis with frequency of resonance flexural-gravity waves.EFFECT: higher efficiency of ice breaking.1 cl, 1 dwg

ethod for sheet ice breaking // 2601543
FIELD: machine building.SUBSTANCE: invention relates to ice-technology, particularly to ice breaking. Method of ice breaking is performed by air-cushion ship during its movement over ice with resonance speed. Note here that after excitation in ice resonance flexural-gravity waves ship within moving behind it with resonance speed first recesses waves is additional periodic reciprocating movement in the direction of its movement with frequency of resonance flexural-gravity waves. Movements provide maximum within waves recesses, i.e. equal to half of their length, a ship when performing movements turned through 90° relative to its initial direction of motion.EFFECT: technical result consists in improvement of efficiency of ice breaking.1 cl, 1 dwg

ethod of breaking ice // 2601517
FIELD: shipbuilding.SUBSTANCE: invention relates to ice-technology, particularly to ice breaking. Method of ice breaking is performed by air-cushion ship during its movement over ice with resonance speed. After excitation of resonance flexural-gravity waves in ice, to ship within first wave trough moving behind it with resonance speed are fed periodic reciprocating movements in direction of its movement with resonance frequency of flexural-gravity waves. Movement is provided maximum within wave troughs, that is equal to half their length.EFFECT: higher efficiency of ice breaking.1 cl, 1 dwg

Sealing device at ship // 2601498
FIELD: ship building.SUBSTANCE: invention relates to ship building, namely to ship power plant sealing device. Sealing device at ship includes gland sealing, which seals cylindrical rotary part, and comprises set of annular glands. Every annular gland comprises parts of glands resting on vessel corresponding parts. Gland support part in first annular gland is located closest to ambient environment (W) and must form cylinder with annular flange on cylinder one end. Cylinder outer circumference rests and sealed by means of auxiliary gland relative to opening (O1, O2) inner circumference, and annular flange rests on support structure, which covers opening (O1, O2). There are adjustment means for setting position of gland first support part relative to supporting structure, which covers opening (O1, O2), for gland (500) movement in axial direction relative to rotary part.EFFECT: enabling better ship sealing device.10 cl, 12 dwg

Propulsor with movable spokes // 2601491
FIELD: engines.SUBSTANCE: invention relates to underwater transport propulsors, namely, to underwater robots propellers. Propulsor with movable spokes has cylindrical rim, rim drive shaft and radial spokes and equipped with cam and cam drive shaft. Rim rotational axis coincides with axis of shaft rotation. Cam has possibility to rotate around its drive shaft axis and be fixed at any angle. Radial spokes have flat part, which plane is parallel to axis of rotation, and cylindrical part, which protrudes beyond rim. Spoke flat part by one end passes through hole in rim cylindrical surface, and at opposite end has slot for hook-type sliding engagement with cam flat part. During cylindrical rim rotation radial spokes have possibility to perform reciprocal motions.EFFECT: enabling efficient underwater transport motion both in water and on underwater soil or ooze.1 cl, 5 dwg

echanized ramp // 2601487
FIELD: military equipment.SUBSTANCE: invention relates to military engineering equipment and can be used as pontoon bridge powered ramp. Mechanized ramp includes sections connected to watercraft hull, articulated and equipped with lifting mechanism. Part of lifting mechanism is made at least in form of two worms with mutually crossed perpendicular axes. Worm wheel is rigidly fixed on first worm axis, arranged on platform and interacting with gear wheel, rigidly connected to first section. Worm wheel is coupled with second worm, made with through axial hole. Other part of second section lifting mechanism is made in form of worm pair, which worm is arranged in second worm opening. Worm wheel is articulated with second section hinge joint.EFFECT: enabling possibility of design simplification, reducing power consumption and improving operating characteristics.10 cl, 5 dwg
 
2550846.
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