Ships or other waterborne vessels and related equipment (B63)

B63            Ships or other waterborne vessels; related equipment(15095)

System for processing stripping gas // 2642713
FIELD: machine engineering.SUBSTANCE: stripping gas processing system includes a compressor 100 compressing the stripping gas which is generated in tank T for storing liquefied natural gas of a ship or floating structure, a heat exchanger 200 that cools the stripping gas compressed by the compressor 100 by means of heat exchange with stripping gas supplied to the compressor 100, an expansion device 300 which performs adiabatic expansion of the stripping gas, a gas-liquid separator 400 which performs gas/liquid separation of the stripping gas and supplying liquefied natural gas to the tank T. The system also includes a bypass line, through which stripping gas subjected to adiabatic expansion is fed from downstream position from the device 300 to downstream position from the separator 400.EFFECT: providing efficient processing of the stripping gas.9 cl, 7 dwg

Underwater winch probe // 2642677
FIELD: machine engineering.SUBSTANCE: underwater winch probe comprises a body with complex of measuring devices, a system for reception-transmission of information with radio communication equipment, a control system, electric power supply system, surfacing-immersion system made with the winch, to which drum a carrying cable is attached by one end connected by its other end to fixed or movable support in water so, that when the carrier cable is unwound from the drum, the probe moves upwards from the support under the action of its positive buoyancy, and when the carrier cable is wound on the drum, the probe moves to the support. In this case, in the durable body made in the form of a streamlined shape, an electric drive of the winch is placed, which shaft is connected to the which shaft fixed by means of radial-thrust bearing in the cover of the durable body and leaving the durable body outwards. The drum is mounted on the outer part of the winch shaft for reciprocating motion along the winch shaft by means of a rotary slide block installed directly in the drum and engaged with closed screw groove made on the winch shaft surface. The drum is locked against rotation around the winch shaft by means of at least one guide mounted on the durable body cover and freely passing through the drum body parallel to the axis of the winch shaft, wherein the guide functions for supporting the outer end of the winch shaft by means of a bearing. A carrier on outer end of the winch shaft behind supporting bearing is provided with guide roller for carrying the cable, one end of which is fixed to the drum, and a channel for passing this cable. The carrier is mounted so that it rotates with winch shaft which provides winding of the carrier cable on the drum and its unwinding from the drum during reversing motion of the drum along the winch shaft.EFFECT: expansion of technical means, providing reliable functioning of underwater winch probe for a long period of time due to its compact and convenient structure which ensures uniform laying of the carrying cable during its winding on the winch drum.2 cl, 8 dwg
Inflatable rescue raft // 2642201
FIELD: rescue means.SUBSTANCE: invention relates to life-saving appliances, namely to life rafts used by aircraft vehicles for delivery to a site of disaster or water accident. Inflatable life raft is provided with inflatable sides, which are one common chamber, divided by diaphragms into four compartments, connected by bypass tubes, ensuring the gas filling of all compartments from one cylinder of carbon dioxide or from a hand-held fur. Handrails are made in form of handles, pasted on sides, on left side mounted hand-made fur, allowing air to inflate shell. On the outside, a water ballast bag is placed on the bottom to give the inflatable raft stability. To remove gas from the inflatable raft sheath on it there is a threaded bushing with a stopper, in the bow in the pocket is placed a cylinder with carbon dioxide, which is connected to the inflatable raft, the hood with the hood is glued to the sides from the inside and is divided into two parts, fastened together by a textile fastener, both parts of the canopy can be filled with air through the tubes, one available on the left and right of its troughs. Inflatable raft also contains a soft floating anchor, a sponge for removing water from raft, a bag of uranium, a cord for anchoring anchor and a carrying case with various things. Raft in non-working (static) state is placed inside paddle, articulated with pilot's combinzon. Pouf is provided with a zipper closure with a stopper connected to an electromechanical switch articulated with a mechanism for starting a source of compressed gas.EFFECT: simplifies the design of the raft while maintaining its basic functional membership.1 cl

Automatic emergency device for stopping of laid underwater cable // 2642025
FIELD: machine engineering.SUBSTANCE: device is proposed comprising a housing with a power electric drive installed therein for start-up, a manual screw drive and support rollers for the cable and a signal board, which is provided with a magnetic-tag generator, a magnetic-tagging device for the armoured wire of the cable installed at its input, and a magnetic-tag reading device installed at its output, wherein the magnetic-tagging device input is connected to the magnetic-tag generator output, the magnetic-tag reading device output is included into the power drive circuit, and the magnetic-tag reading device output is connected to the magnetic-tag generator output.EFFECT: improved performance of the emergency stop device for a laid underwater cable due the stopping process automation.3 dwg
Device for boarding to vessel or landing from it people and/or cargoes // 2642001
FIELD: transportation.SUBSTANCE: device for boarding people and/or cargoes on a vessel or landing from it comprises a movable platform configured to transport people and/or cargoes and connected to a displacement unit. The displacement unit is mounted on a support base connected to said vessel. The platform is supported in an inclined position substantially parallel to the waterline of said vessel by suitable means. The displacement unit is completely retractable from the working deployed position to the non-working retracted position.EFFECT: increased stability, safety and simplicity with versatility in the device operation.19 cl, 8 dwg

Detachable anchor gear comprising clamping pawls // 2641562
FIELD: transportation.SUBSTANCE: inventions relate to a vessel comprising an anchor structure, to a buoy locking system, and to an anchor assembly comprising: an anchor buoy (6) with a central axis, an upper ring part (200) forming an upper thrust surface (202); an anchor structure (3) comprising a cavity (5) with a wall, and made with the possibility of accepting the anchor buoy (6) and a buoy locking system (7) located next to the cavity (5) to communicate with the upper ring part (200) for locking the anchor buoy (6) to a turret anchor structure (6) and comprising at least two locking devices (10) attached to the anchor structure (3). Each locking device (10) has a locking pawl (106) attached to an element (110) creating a force for the axial displacement and the application of a force directed upwards to the upper thrust surface (202). The anchor buoy (6) comprises a lower thrust surface (203) located at an axial distance from the upper thrust surface (202) beneath it. The locking system (7) comprises an interaction element (107, 208) located axially below the locking pawl (106) and designed to interact with the lower thrust surface (203) and applying thereto a force directed downward. The buoy in places (201) located axially above the upper hard surface (202) is with axial clearance (D) from the wall cavity, so that the axial forces acting on the buoy are transferred to the turret anchor structure (6) substantially only in the locations of the locking pawls (106) and the interaction element (107, 208).EFFECT: reducing the load on the locking device and the effectiveness of applying a waterproof seal between the buoy and the cavity wall of the anchor point.10 cl, 6 dwg

Built-in mechanical decoupler // 2641560
FIELD: transportation.SUBSTANCE: groups of decouplers are designed to be placed on a mooring rope connecting a floating vessel with an anchor, has a pair of rotatably connected lever elements. In the first closed position the lever elements are held by a closed shear pin. The mating slots in each lever element grasp the component of the mooring rope, such as the pin of the rigging staple, when the lever elements are closed. The cylindrical centering device is placed in the mooring rope between the decoupler and the vessel and rests against the lever elements. The force applied to the centering device, either by pulling it into the surface fairlead sheave or a similar device, or by the underwater pull-out device, forces the lever elements apart, breaking the shear pin and disconnecting the device, thus disconnecting the mooring rope.EFFECT: speed of the vessel's displacement from the ground and the reliability of detaching the mooring ropes from the anchor.22 cl, 34 dwg

ethod of destructing ice cover by vessel in compressed air flow // 2641355
FIELD: transportation.SUBSTANCE: method for destructing the ice cover by a vessel in a compressed air flow is proposed and done by excitation of resonant bending-gravity waves in the ice when the vessel moves. Simultaneously with the translational movement of the vessel an additional load is applied to ice, which is directed downwards and forming a gas-dynamic jet from the high pressure impeller, the nozzle of which is located below the bottom of the hull at an angle in a vertical plane to the longitudinal axis of the vessel and perpendicular to the horizontal, from fastened movable horizontal partitions on the axis of rotation, located in the forebody and after body of the vessel through the simultaneous fore-and-aft balance of the vessel by the stern. The high-pressure jet is sufficient to create maximum fore-and-aft balance of the vessel by the stern, resulting from the pressure of the gas-dynamic jet at a given height of opening of movable horizontal partitions that create aerodynamic lift capacity on the forebody of the vessel.EFFECT: invention helps to increase the efficiency of ice cover destruction.3 cl, 3 dwg

Device for reduction of hydrodynamic resistance of ship hull bottom in compressed air flow // 2641345
FIELD: transportation.SUBSTANCE: device for reduction of the hydrodynamic resistance of a ship hull bottom in a compressed air stream, containing a body, a high-pressure air pump, a steering device, side skegs is proposed. The bottom of the streamlined hull is protected by a layer of material, complete with single elastic rods and/or fibers, freely protruding with their one end and made of elastic polyethylene materials in the form of a brush and fastened tightly with the protective coating material.EFFECT: reduction of resistance to movement of the ship in compressed air flow and increase of its heading stability.2 cl, 5 dwg

Airtight and isothermal tank containing metal membrane with corrugated orthogonal folds // 2641186
FIELD: machine engineering.SUBSTANCE: airtight and isothermal tank is integrated into the structure with a supporting wall (3), to which the wall of the tank adjoins. A heat-insulating barrier is mounted on the supporting wall (3) and is formed by insulating blocks (1) in the form of rectangular parallelepipeds arranged in parallel rows separated from each other by gaps (10). The sealed barrier is mounted on a heat-insulating barrier and comprises a metal membrane made of metal sheets (11) hermetically welded to each other. On surface of each insulating block of the heat-insulating barrier opposite the supporting wall (3) are at least two predominantly orthogonal connecting metal strips (5, 6). They extend parallel to the insulating block sides and are welded to the sheets (11) of the metal membrane installed on the insulating block. At that, the connecting strips are rigidly connected to the insulating block on which they are arranged. Each of the plurality of sheets (11) of the metal membrane comprises at least two orthogonal folds (12a, 12b) parallel to the sides of the heat insulating blocks (1) and placed in the gaps (10) between the insulation blocks. A ship for transportation of a cold liquid product having a double housing inside which the above-described container is mounted. Use of the ship for the purpose of loading or unloading a ship by supplying a cold liquid product through insulated pipes from a shore or a floating storage to the ship tank or to the shore or floating storage tank from the ship tank. System for transporting cold liquid product comprising above-described ship, insulated pipes connecting the tank mounted in the ship hull with shore or floating storage, and a pump to supply cold liquid product through isolated pipes from or to floating or shore storage to or from the ship tank.EFFECT: improved airtightness.25 cl, 28 dwg
Vessel propulsor // 2640910
FIELD: transportation.SUBSTANCE: vessel propulsor comprises a hub, blades, and a gasket of a vibration-damping material between them. The blades have a butt on the extension of the outside profiled blade part, which is located beyond the overflowing stream and is used for fastening, e.g. by bolts, the blade to a hub with a length not less than 1/3 the full blade length and with a thickness not exceeding the maximum thickness of the outer blade part. The point of the blade attachment to the hub comprises the blade movement limiters, for example washers, the size of which is equal to the thickness of the gasket of a vibration-damping material, arranged between the hub and the butt.EFFECT: reducing the level of blade vibration and noise radiated during the propulsor operation.10 cl, 10 dwg

Automatic device for deploying and wrapping of bottomed antenna under water and under ice cover // 2640896
FIELD: radio engineering, communication.SUBSTANCE: claimed automatic device for deploying and wrapping bottomed antennas under water and under the ice cover, in which a body shape of the underwater device is proposed. It is in the form of a vertical disk that provides placement of coils with a long seismic streamer long and vertical stabilization of the underwater device. The device combines the functions of the power cable of the underwater device and the seismic streamers, which are coiled, where the coils are an element of the body of the underwater device. Also, systems of engines, propellers, valves, sensors, cable layer and electronics unit, providing automatic or controlled motion of the underwater device rounding the bottom profile at a given distance from it and deploying-wrapping of a seismic streamer to the seafloor in the underwater position. If there is an ice cover, the underwater device with a self-deploying seismic streamer can be submerged into water from the board of a carrying icebreaker into the ice hole it formed, after automatic or controlled deployment of the seismic streamer to the seafloor with subsequent registration and recording of seismic signals occurs. After registration and recording is complete, the seismic streamer is automatically wrapped and the device is lifted onto the board.EFFECT: ability for automatic deployment and wrapping of a long-bottomed antenna for seismic survey and seismo-acoustic monitoring of offshore hydrocarbon fields regardless of climatic conditions and ice conditions, and also effective obtaining of seismic survey data and seismo-acoustic monitoring in real-time.2 cl, 1 dwg

Vessel, frame of water-jet mover for vessel and water-jet mover // 2640494
FIELD: transportation.SUBSTANCE: vessel contains a housing (11) and an installation hole (14) for a water-jet mover (16) containing a frame. The frame is designed for installation in the installation and sealing of the hole (14) for the water-jet mover (16) of the vessel (12) and contains water conduct (26) to channel water to impeller (24) of the water-jet mover (16), an operating hole (28) for the maintenance of the impeller (24) and the sealing surface (33), forming a closed loop for the water-jet mover (16) dense joining to the respondent sealing surface (32) of the vessel (12). Besides, frame (15) contains an additional sealing surface (34), forming a second closed loop to ensure when attaching the water-jet mover (16) to the vessel (12) so that the operating hole (28) of the frame (15) is either inside or outside of the stern (44) of the vessel (12).EFFECT: ease of servicing the mover directly from the vessel.13 cl, 13 dwg

Electrical power transmission of tractive transport on alternating current // 2640378
FIELD: electricity.SUBSTANCE: electrical power transmission of tractive transport on alternating current contains a heat engine, an asynchronous AC generator with phase-wound rotor, a traction asynchronous engine with short-circuit rotor and reversible static frequency converter. Electrical transmission is equipped with an additional voltage inverter, a matching transformer, a diesel-generator installation, a power board for external consumers, five automatic circuit breakers, a main switchboard and consumers of own needs. The direct current inverter input is connected in a coordinated manner to the direct current link of the reversible static converter and the alternating current inverter input through the matching transformer and the fourth circuit breaker is connected to the buses of the main switchboard, to the buses of which consumers of own needs and the diesel-generator installation are connected.EFFECT: increase the reliability of the electric transmission of the transport.2 cl, 2 dwg

All-season arctic flat-bottom container ship (versions) // 2640080
FIELD: transportation.SUBSTANCE: semi-underwater Arctic container ship is proposed, in the first implementation version having a shape of an elongated half-cylinder with a flat underwater part facing down, performing the ice massive destruction from the bottom, while moving, in the second implementation version -the shape of a hemisphere or a part of a hemisphere with a flat underwater part facing down, performing the ice massive destruction from the bottom, while moving, and having a greater possibility while moving in a solid ice massive and in shallow water.EFFECT: improving the performance of the container ship in ice conditions.2 cl, 3 dwg

Carrier of measuring hydroacoustic complex equipment // 2639846
FIELD: physics.SUBSTANCE: carrier of the equipment (CE) of the measuring hydro acoustic complex is designed in the form of a torpedo-shaped body with a tail stabiliser, in the center of mass of which there is a hydrophone. The HE also contains fodder and nasal volumes of positive buoyancy with bevelled edges and an arc holder hinged by the ends in the cross-section of the hydrophone position on the HE fairing. The hanging point of the HE is located in the middle of the arc holder. This embodiment of the HE allows to return it always in a horizontal position in any angular deviation in a vertical plane to reduce vibration and hydrodynamic noise, and to prevent spillage of the reflected signals of the surveyed noisy object on the hydrophone.EFFECT: increasing the accuracy of measurement of the noise emission parameters.6 cl, 1 dwg

Vessel that includes drilling rig and method of well drilling using plant // 2639761
FIELD: oil and gas industry.SUBSTANCE: vessel includes the drilling rig for well drilling. The plant comprises a drill floor surrounding an axial line of the well bore, a first tower pylon located on the vessel deck and containing a rod structure with two elongated hollow bodies, which extend parallel to longitudinal axis of the rod structure and are rigidly connected to each other by connecting elements. The core structure is mounted on the side of the drill floor so that the longitudinal axis of the core structure runs parallel to the centerline of the well bore and so that the longitudinal axis and the centerline of the well bore are substantially centered with each other in the core structure width direction. The additional support of the tower pylon is located between the vessel deck and the position of the upper location on the first tower pylon. Two storage devices for storing the drill pipes in a vertical position, two pipe feeders and stackers, each pipe feeder and stacker are connected to one of the two storage devices, and each pipe feeder and stacker is configured to move the drill pipes between the associated storage device and the centerline of the well bore. Two storage devices are installed on opposite sides of the drill floor so, the storage devices and the drill floor are centered with each other in the direction of the rod structure thickness, each body of the rod structure of the first tower pylon carries one of two devices for the two pipe feeder and stacker devices.EFFECT: increase the efficiency of the drilling rig located on the vessel.14 cl, 4 dwg
ethod for ship or submarine torpedo defense // 2639298
FIELD: weapons and ammunition.SUBSTANCE: for torpedo defence of a surface ship or a submarine, an underwater transporter equipped with a container with a net sweep is used. Using a tensioner, a sweep is attached to the tail of the transporter and it is brought into a stretched position. The transporter is given positive buoyancy. The trajectory of the torpedo is changed and it is taken away from the surface ship or submarine. The place of the swept torpedo is indicated using signalling devices.EFFECT: possibility of unlimited manoeuvring characteristics of surface ships and submarines.2 tbl
obile overwater multirobot system for handling operation on lighting and monitoring of aquatoria state // 2639000
FIELD: radio engineering, communication.SUBSTANCE: mobile overwater multirobot system for handling operation on lighting and monitoring of aquatoria state includes a unmanned motor boat, made in the form of a rigid body with a diesel-electric complex, a lowered sonar, an independent remote control and storage of information and the GLONASS/GPS system. Unmanned motor boat is equipped with a sonar, which is made in the form of a sonar of a circular view with the ability to make swinging movements from -185 angular degrees to +185 angular degrees from the heading angle and is mounted on a descending rod in a fairing transparent to hydroacoustic oscillations with a frequency of up to 5 kHz. The system of independent remote control and storage of information is connected with the sonar of the circular view, the diesel-electric complex and the GLONASS/GPS system.EFFECT: increasing the detection of dangerous items on-course and in the wake of the boat.2 dwg

Underwater drilling rig // 2638665
FIELD: mining.SUBSTANCE: underwater drilling rig is made in the form of submarine with compartments and inter-side space. The submarine is provided with a hoisting device and load-carrying cables placed in the inter-side space, for instance, in nose part, a base with extensible supports, a mobile rotator, drilling and core pipes, core receivers, a pump for flushing fluid supply, a mechanism for core receivers extraction from the drill pipes, a hydraulic grip of drill and string pipes comprise the drilling rig which is located in inter-side space, for instance, in nose part, and connected to the hoisting device by the load-carrying cables which serve for placing the drilling rig on the ground, including an inclined ground, and also for providing the drilling rig with the necessary types of energy and transmission of control signals, the drilling rig is provided with a hydro-acoustic warning device arranged, for example, in its upper part and serves to control the position of the drilling rig relative to the submarine, the drilling rig is also provided with a manipulator located, for example, in the stern part of the drilling rig, and serve to transfer container with the core receivers to the submarine.EFFECT: increased efficiency of underwater drilling rig.4 dwg
Vessel design // 2638198
FIELD: construction.SUBSTANCE: while constructing or modernizing a metal vessel, the structural frame is mounted on the outside of the skin, and the elements of the outer structural frame, extending beneath the metal hull dimensions, are covered by a layer of an artificial stone material based on binding substances, for example light concretes based on cement (aerated concrete, foam concrete, fibre concrete).EFFECT: said vessel design prevents direct contact of the metal hull skin with underwater obstacles, improves the feasibility and performance of the vessel compared to vessels with double bottom and boards.1 dwg

ultifunctional pipe-laying vessel // 2637257
FIELD: transportation.SUBSTANCE: pipe-laying vessel is proposed, which has a fore part, an aft part, and an upper deck with a drilling shaft passing through the upper deck. The vessel comprises a device for accommodating a pipe in case of S-shaped laying of pipes, located below the upper deck, having a main mounting line passing along the center line of the vessel, and a production site of pipe assembly for assembling single pipe segments to form pipe assemblies and to feed them to a mounting line for accommodating from the vessel. The vessel additionally comprises a device for accommodating a pipe in case of J-shaped laying of pipes to accommodate the pipe through the drill shaft. The device for accommodating a pipe in case of J-shaped laying of pipes comprises a tower located above the drilling shaft and round-trip equipment for pipes for feeding pipe assemblies from the mounting line to the tower. The drilling shaft is located on one side of the mounting line.EFFECT: relatively compact design, minimum length and breadth of vessel.19 cl, 8 dwg

Vessel with flow-deflecting hydrodynamic arrangement of bow underwater wing // 2637064
FIELD: transportation.SUBSTANCE: vessel with a hydrodynamic flow control channel at the bow of this vessel is proposed. The channel comprises a pair of sidewalls (2, 3) with a part of the wing profile on each side of the vessel bow, connected to a horizontally oriented or inclined wall section (1) with the part of the wing profile. The channel is made with the possibility of movement in the vertical direction between the position (a) and the position (b) due to differentiating the flow therein from the out-of-channel flow interacting with the vessel bow having horizontally extending rectilinear or convex sidewalls (102, 103). The side walls (2, 3) have their rear edges at a constant distance from the side walls (102, 103) of the vessel bow, while, due to aesthetic requirements, they may comprise coatings (2', 3') of the part of the wing profile or inner sheet laminates (20', 30') projecting outward while navigating the vessel and retracted inwards when the vessel is immobile in the port.EFFECT: reducing the wave formation and frictional resistances.12 cl, 11 dwg

Vehicle accident scene information unit // 2636825
FIELD: transportation.SUBSTANCE: proposed information unit comprises independent gas-filled shells designed to be separated from the vehicle in the event of an accident. An information block is attached to each gas-filled shell. The gas-filled shells are designed to be filled with gas lighter than air and separated from the container at the moment of the vehicle's accident. The information block is made in the form of a non-volatile memory device configured to store information about the state of the vehicle systems and its coordinates at the time of separation. The information block can be configured as a USB flash drive. The gas-filled shells can be made in the form of light metalized shells, on which resonance structures are applied which ensure rereflection of the radio signal towards the source of radiation; the gas-filled shells can be made with perforation; the gas-filled shells may have a bright colour; information in the form of text and/or graphic elements can be applied on the gas-filled shells.EFFECT: increased information capability.6 cl, 2 dwg

Water skis // 2636442
FIELD: transportation.SUBSTANCE: water skis comprise two identical floats, each made in the form of a rubber inflatable cylindrical balloon. The float bow is vertically straight and streamlined in the horizontal plane, the poop is flat, its bottom edge is tilted towards the ski toe at an angle of 4515; moreover, the rear upper edge of the well wall is located a half-foot from the vertical axis passing through the pressure center of the ski with a person; a flooring with a foot-fastening device located a half-foot closer to the bow from the pressure center is fastened on the well bottom.EFFECT: minimizing the load on leg muscles and simplifying the design of skis.2 dwg

Water skis // 2636432
FIELD: transportation.SUBSTANCE: water skis comprise two identical floats, each made in the form of a rubber inflatable cylindrical balloon. The float bow is vertically straight and streamlined in the horizontal plane, the poop is flat and located in a vertical plane. In the middle of the float, a well is made on the top, the walls of which are widened to the bottom. The well bottom is connected to the float bottom. On the well bottom, a flooring with a foot-fastening device is fixed. The displacement of each float is greater than the weight of a person.EFFECT: minimizing loads on leg muscles and simplifying the design of water skis.2 dwg

Propulsive arrangement of underwater vehicle // 2636429
FIELD: transportation.SUBSTANCE: propulsive arrangement of an underwater vehicle comprises a high-speed electric motor, a gearbox, a seal assembly, and a propulsor. As a gearbox and a seal assembly, a magnetic gearbox is used, which comprises an annular element made of a magnetically conductive alloy with radial grooves.EFFECT: reducing noise emission of the vehicle as a whole.2 dwg

Semi-submersible propulsion system // 2636246
FIELD: transportation.SUBSTANCE: invention relates to the designs of propulsion systems (PS) of underwater vehicles. A semi-submerged propulsion system (PS) comprises a rotor, a stator, a medium separator, a housing and a propulsor. The propulsor is connected directly to the rotor of the electric motor (EM), located in seawater, and the sealed medium separator is located in a non-magnetic gap between the rotor and the stator of the PS EM.EFFECT: reducing the noise and vibration level of the propulsion system, as well as reducing its weight and size characteristics.2 dwg

Heat insulating casing of ship gas turbine engine // 2636229
FIELD: engine devices and pumps.SUBSTANCE: heat insulating casing of the ship gas turbine engine comprises a ship gas turbine engine with exhaust confuser branch pipe turned relative to the engine axis with exhaust cut at level of exhaust pipe base, an inlet ventilation branch pipe, an outlet branch pipe of the casing connected thereto. An annular perforated partition is arranged in the outlet branch pipe of the casing at a distance from a flange connector and the exhaust pipe, in which holes are made with the possibility of providing required consumption of ventilation air for engine cooling. The partition is secured over outer diameter the on casing outlet branch pipe, and along inner diameter is made in form of elastic blades bent towards exhaust side or secured over inner diameter on the exhaust confuser branch pipe, and outer diameter is made in form of elastic blades bent in opposite direction from the exhaust and resting with possibility of motion on inner surface of the casing outlet branch pipe.EFFECT: improving the reliability of operation of marine gas turbine engines.4 dwg
Inflatable launched liferaft // 2635940
FIELD: transportation.SUBSTANCE: inflatable launched liferaft comprises a hull of a lower and an upper buoyancy chamber, an inflatable bottom, a gas filling system, a launched device. The launched device comprises a sling system and includes an external launch device. The external launch device consists of a system of fixed external slings, which are made in the form of a tail loop and movable external slings. The fixed outer slings in the upper loop part are rigidly fixed from the corners to the upper buoyancy chamber. The tail part of the fixed external slings is glued to the outer external layer of the inflatable bottom by means of pads. Movable external slings are attached to the upper loop part with the possibility of moving them. The internal launch device is represented by a system of internal slings that pass inside the raft and are glued to the outer external layer of the inflatable bottom by means of pads. The pads comprise metal discs with a slot.EFFECT: reliability of the launched device.18 cl, 3 dwg
ethod for submersible vehicles operation // 2635939
FIELD: military equipment.SUBSTANCE: submersible vehicles (SVs) are loaded onto a carrier to operate underwater vehicles and place them on storage-equipped places. The SVs are mechanically secured against possible accidental movement and stored on the carrier for a specified period. SVs maintenance and inspection are performed to monitor their performance. The SVs are prepared for start-up, for which data input-output devices are used to input starting values or tasks for operation into the SVs control devices after starting from the carrier. The SVs consisting of two modules - a special module and a transport module - are loaded on the carrier. When the assembled SVs and/or their modules separately are stored on a carrier, a single module is replaced with the expiration of its storage period. When the SVs are prepared for start-up, in the absence of an SV with the required module or its malfunction, the module is replaced with the existing serviceable module of the required purpose, stored separately.EFFECT: possibility to vary the number of submersible vehicles of the desired purpose, ease of loading and transport operations to replace the components of submersible vehicles.1 tbl

Airscrew propeller nozzle // 2634856
FIELD: transportation.SUBSTANCE: invention relates to propulsors of vehicles, mainly of amphibious hovercrafts and planing crafts. The airscrew propeller nozzle comprises a pre-screw and a screw nozzles which are installed coaxially to form an annular channel. The pre-screw nozzle has a streamlined profile in the longitudinal section. The edges of the screw blades are located in the contraction of the screw nozzle. The front part of the screw nozzle is made in the form of a thin-walled shell which covers the pre-screw nozzle, protrudes beyond its front edge. The annular channel connects the gap between the contraction of the screw nozzle and the edges of the screw blades with the front edge of the pre-screw nozzle.EFFECT: increased thrust of the airscrew and the propeller nozzle and reduced vibration and noise at the beginning of the vehicle's movement.3 cl, 2 dwg

Device and method of fuel supply to ship engine // 2634647
FIELD: engine devices and pumps.SUBSTANCE: device for feeding fuel to a ship engine comprises a high-pressure pump generating higher pressure of liquefied natural gas (LNG) and feeding the LNG under pressure to the engine; a hydraulic motor driving the high-pressure pump; and a lubricating pump supplying lubricating oil to the high-pressure pump.EFFECT: simplification of fuel feed device in ship engine and possibility of fuel feed device installation next to the engine without applying the partition walls.17 cl, 10 dwg

Device to connect first and second extended elements // 2634604
FIELD: machine engineering.SUBSTANCE: connection device (1) for connecting a first and a second elongated elements (2, 4) comprises a first connecting element (3) configured to be fastened to the first elongated element (2), a second connecting element (7) configured to be fastened to the second elongated element (4), and a linking element (5) for connecting the first and second connecting elements (3, 7) to each other. The connecting elements are made with an outer surface having a slight curvature to maintain a layer of the elongated element above and adjacent to a drum. A method for connecting the first and second elongated elements (2, 4) using the connection device (1) is also disclosed.EFFECT: improvement of the elongated element winding on the drum, reduction of destructive force.13 cl, 8 dwg

Navigational radiooptical angle reflector of directional action with light-reflecting faces // 2634550
FIELD: radio engineering, communication.SUBSTANCE: navigational radiooptical angle reflector of directional action is a trihedral angle reflector with triangular metallic or metallized faces with a radio-transparent light-reflecting coating with white, red, green or yellow emission colours. A light source is installed at the top of the angle reflector. The emission colour of the light source corresponds to the colour of the light-reflecting coating of the faces.EFFECT: providing the possibility of signal feeding in the passive mode when the reflector is illuminated by the light stream of the ship's searchlight.3 dwg

Inflatable self-recovering raft // 2634519
FIELD: transportation.SUBSTANCE: inflatable self-recovering liferaft comprises a hull of a lower and an upper buoyancy chamber that are made in the form of tubular closed shells, an inflatable bottom, gas filling systems and two inflatable racks arranged at a distance parallel to each other. The inflatable racks are represented by inflatable tubular elements in the form of arches, which consist of sections. Each inflatable rack extends from one side of the raft hull to the other and up and outward from the raft hull perimeter at an angle from the perpendicular to the raft hull. The sections of each inflatable rack in the plan fit into a semi-circle whose center is at the intersection of the vertical symmetry axis and the upper tangent plane of the tubular shell of the upper buoyancy chamber.EFFECT: raft design safety when returning from the inverted raft position to the working vertical one without human intervention.18 cl, 4 dwg

Device for remote control of outboard motor // 2634503
FIELD: transportation.SUBSTANCE: device for remote control of the outboard motor comprises a housing, a pulley located in the housing with the possibility of rotation in the housing and provided with grooves in the cylindrical surface in which the cables are placed and a control handle. The control handle is connected by a spherical joint with a pulley, and at its end, located in the pulley, a bend is made.EFFECT: improving the performance properties of the device for remote control of the outboard motor.7 cl, 2 dwg

arine ice-strengthened platform // 2634143
FIELD: construction.SUBSTANCE: invention relates to marine mobile platforms. A marine ice-strengthened platform comprises a base plate made with the possibility to adjust its buoyancy, coaxially associated with a support shell on which an upper structure is mounted with the possibility of vertical movement along it. The base plate is equipped with vertical through channels adapted for entering piles and securing them therein. The plant is equipped with a mounting frame movable along the axis of the support shell and equipped with several pile driving means made movable along the mounting frame perimeter. For this purpose, the mounting frame is provided with at least two rail guides spaced vertically. Wherein the protective casings of the pile driving means are made longer than the water area depth at the platform location and are installed in the clamps of the carriages interacting with said rail guides, the carriage clamps being made with the possibility to turn off clamping the casing therein. The casing is mounted with its longitudinal axis preferably coaxially with the axis of the vertical through channels of the base plate. Pile extraction means made in the form of crane plants are arranged on the deck of the upper structure. The pile driving means are made in the form of a vibratory pile hammer and a protective casing with a diameter larger than the diameter of a vertical through channel of the base plate, made with the possibility of coaxial airtight docking with the base plate equipped with water and / or silt removing means.EFFECT: possibility of operating an ice-strengthened platform in shallow areas of the continental shelf with weak base soils.2 cl, 15 dwg

Quick-release lock connection // 2634063
FIELD: construction.SUBSTANCE: quick-release lock connection consists of an upper and a lower locks which are installed in vertical grooves on the boards of the pontoons. Each lock is made in the form of a rectangular staple with a ratio of the sides of the bracket notch 1:2 and is installed at an angle of 45 to the surface of the pontoon board. A vertical connecting rod of square cross-section is used to connect the locks.EFFECT: reduced labour intensity of assembly work and possibility of assembling pontoons on the water.3 cl, 3 dwg
Device for personnel evacuation from offshore drilling facilities // 2633834
FIELD: rescue work.SUBSTANCE: device for personnel evacuation from offshore drilling facilities includes means for lowering a lifeboat into water, which consists of at least one support beam that is hinged at one end to the platform superstructure, and at the other end carries one support cradle for housing the boat, a deck ladder, hermetically sealed and connected to the lifeboat, an on-board computer on the lifeboat for monitoring external conditions. The support cradle is made in the form of a pontoon. The lifeboat is additionally equipped with wheels with metal spikes and a propulsion. The hermetically sealed and connected to the lifeboat deck ladder is equipped with a telescopic device, and inside of which there is a stair-step travelator, connected with an electric drive located in the lifeboat.EFFECT: increasing the reliability of the rescue operation while finding an object of ocean engineering in difficult ice conditions.1 cl

Free-fall lifeboat for emergency personnel evacuation from offshore facilities in ice conditions // 2633830
FIELD: rescue work.SUBSTANCE: free-fall lifeboat for emergency personnel evacuation from offshore facilities in ice conditions includes a hull and a shock-absorbing system of impact load reduction. The hull is made of a fire-resistant material, and the shock-absorbing system of impact load reduction is made in the form of a cushion. The lifeboat is equipped with jet propeller nozzles, installed alongside, and high-pressure cylinders, located in or on the hull of the boat, connected to the propeller nozzles by means of pipelines with controlled valves. The lifeboat is additionally equipped with retractable wings on both sides, aero-rudders and two hydroskies, a turboprop propeller. The hull contains a niche that is bounded by a foremost redan, side keels and stern pull-out ramp. The pipelines with controlled valves are also connected to the niche. The side keels of the lifeboat are equipped with lateral air paths.EFFECT: contact of the lifeboat with ice, safe for the personnel when dropping it from offshore facilities and its independent movement on ice to leave the dangerous zone in various motion modes.1 dwg

Rotor power shipboard plant // 2633821
FIELD: transportation.SUBSTANCE: rotor power shipboard plant consists of a main engine and an auxiliary engine. The rotor sections of each engine comprise a housing with two internal adjacent cylindrical bores, in which rotors are mounted on shafts with the possibility of rotation in opposite directions from the pressure of a working fluid to their projections. The main engine as a propulsion plant for a surface or a submarine floating craft, operating from the external supply of the working fluid, is located outside the vessel hull with the possibility of changing the position, the immersion depth, the angles of inclination and rise from water in field conditions.EFFECT: increasing the efficiency and specific power with improved weight-size indices when located in water outside the hull.3 cl, 6 dwg

Water jet engine // 2632676
FIELD: transportation.SUBSTANCE: water jet engine is under microprocessor control and contains a coaxially located input device, a nozzle, a high pressure pump on one shaft, a low pressure pump and a turbine. The water jet engine consists of water high pressure chamber of spherical form. There is a corrugated expansion element in the upper part of the chamber, connected on one side by a vertically arranged pipe with a high-pressure pump, and in the lower part through electromagnetic valves with several combustion chambers, each of which is an egg-shaped vessel that has at upper part two electrodes of the electric discharge and with certain displacement from the axis through the solenoid valve, a tubular connection with the atmosphere, and the outlet in the lower part is made in the form of a vertical pipe with an injector, which internal cavity is connected to external circuit through a one-way valve, smoothly transorming into a horizontal one and is connected to a common nozzle leading to the outside water after a single-sided valve. There is a turbine and an external circuit inside the nozzle. In the upper part of each of the combustion chambers, next to the two electrodes of the electric discharge, there are two inputs covered with needle-shaped solenoid valves. One of them has a connection with natural gas bottle, and the other one - with a compressed air bottle, which contacts the atmosphere through the compressor.EFFECT: creation of reactive propulsion in water environment.1 dwg

Propeller-rudder device // 2632351
FIELD: transportation.SUBSTANCE: propeller-rudder device contains a propeller, a rudder and straightening blades. Inlet edges of the rudder blades are pointed. The upper and lower parts of the rudder blade inlet edge are bent in different directions, and its middle part is symmetrical to a vertical plane passing through the axis of propeller rotation.EFFECT: increase energy utilszation ratio of screw propeller jet.2 cl, 1 dwg

ethod of assembly of ship diesel power plant and device for its implementation // 2632232
FIELD: power industry.SUBSTANCE: before assembling marine diesel power plants (MDPP), determine the center of gravity (CG) along the vertical-transverse plane and move the oppositely symmetrical pairs of vibro-isolators along the transverse plane of the MDPP with respect to the fixing holes on the left and right sides. Clarify the coincidence of one of the sets of holes in the support plates of vibration isolators with the corresponding openings of the lower right-hand left shelf of the sub-engine frame and the ship's foundation. The final fastening of vibration isolators is made from one side to the lower right and left shelves of the sub-engine frame, and on the other - to the ship's foundation. The device for carrying out the installation method of the MSPP contains vibration isolators that are placed between the left and right shelves of the submersible frame of the MDPP and the ship's foundation, and rigidly attached to the frame and foundation. The support plates of vibration isolators along the entire length are made with a plurality of threaded holes with a minimum distance J between adjacent holes.EFFECT: ensuring equal load of vibration isolators and increasing their service life.2 cl, 6 dwg

Pitch-roll buoy with inertial measuring unit based on micromechanical sensors // 2631965
FIELD: measuring equipment.SUBSTANCE: pitch-roll buoy comprises of a body providing the necessary buoyancy, a sealed compartment, at the bottom of which there is a rechargeable battery pack. The rechargeable battery pack is connected to an inertial measuring unit, a processing unit and an antenna located on the lid of the hermetic compartment. The inertial measuring unit is connected to the processing unit, which in turn is connected to an antenna. In the inertial measuring unit there are three micromechanical silicon vibration gyroscope, three micromechanical silicon accelerometers and a three-component magnetometer. The sensor sensitivity axes are directed orthogonally.EFFECT: increasing the reliability of the pitch-roll buoy, increasing its autonomy, expanding the range of measured wavelengths, reducing the mass-dimensional characteristics of the buoy, increasing its vibration and shock resistance.1 dwg

Hermeticizing thermal insulating wall of the tank for storage of the fluid medium // 2631746
FIELD: machine engineering.SUBSTANCE: sealing and heat-insulating wall of a fluid reservoir is proposed, comprising: a heat insulating panel (1) having an inner side and sides, and a sealing plate (7), the inner side of which is designed to contact the fluid contained in the tank, and its outer side is rigidly attached to the inner side of said panel (1) at the locations of the attachment zones (14), the sealing plate (7) being provided with at least one rib (8; 9) falling from its inner side and elongated in the direction d1 (X; y). The inner side of the heat-insulating panel (1) is provided with a slit (15; 16) for loosening the stresses located between two adjacent attachment zones (14) located on each side of said rib (8; 9), and mentioned slot has a longitudinal axis oriented in the direction d1 (X, y) to allow the deformation of the rib in a direction transverse to the direction d1 (X, y). The length of the slit (15; 16) for stress relaxation is less than the size of the heat-insulating panel (1) along the axis of this slot.EFFECT: improving the performance of a cryogenic storage tank.17 cl, 12 dwg

Vibrating propulsor // 2631742
FIELD: transportation.SUBSTANCE: curvilinear body for driving fluids, ships, and using fluid energy is characterized by the presence of a convex external front surface firmly fixed to a concave internal rear surface for defining an open vessel. When the vibrational motion is made, surrounding fluids are accelerated and ejected beyond the vessel, as a result of which the curvlinear body and the surrounding fluids are driven in opposite directions. The curvilinear body is attached to a driving force source directly or through an actuating element fixed to the proposed device by means of an opening. A vibrating propulsor can be driven directly by the reciprocating source of the driving force, or indirectly due to the reactive moment transmitted to the support base.EFFECT: achieving the thrust vector deviation due to the rotation of the curvilinear body relative to the support base, drag reduction due to the use of hydrodynamic shapes, intake openings, a front wing, a rear wing, and a friction-reducing lubrication cavity, and an increase in propulsive power due to the use of multi-stage vibrating propulsors.34 cl, 29 dwg

Floating offshore platform with extension plates attached to pontoons to reduce its heaving // 2631724
FIELD: transportation.SUBSTANCE: floating offshore platform comprises a floating hull that consists of at least three vertically extending columns and at least one pontoon. One pontoon is made with the possibility to be positioned at least partially below the surface of the water in which the offshore platform is located. The upper part of the platform is connected to at least one of the columns and is located vertically at a distance from at least one pontoon. Each extension plate is located at a height below the surface of the water in which the offshore platform is located during operation, forming an underwater water separation zone between the extension plates. Each extension plate has a first side fixedly attached to the pontoon, and at least one free peripheral side. The extension plates are designed to reduce the platform heaving by at least providing horizontal water separation, vertical water separation, or a combination thereof around the extension plates connected to the pontoon, while the platform is moving in water.EFFECT: improved performance and reduced horizontal or vertical movement of a floating offshore platform.14 cl, 25 dwg
ethod of operational controlling vessel stability in emergency situations // 2631127
FIELD: physics.SUBSTANCE: to implement the method, versions for the functional and organizational structure of the control system (CS) of the on-board intelligence system (BIS) are generated, the operation modes of the CS BIS are simulated, based on the services repository, the information processing principles in the multiprocessor computing environment and the theory of catastrophes, the CS BIS composition and structure parametres compliance to the said criteria and the input characteristics is checked, wherein in case of discrepancy, the input characteristics of the CS BIS are adjusted and the design process is repeated, and in case of compliance, technical documentation is developed and an overall assessment of information decision efficiency is performed, the assessment of the vessel stability in emergency situations is implemented, based on fuzzy formal system based on a dynamic theory of catastrophes, the generation of alternative solutions and practical recommendations is carried out, the risk assessment of decisions is carried out.EFFECT: increasing the reliability and effectiveness of the vessel stability assessment during operational parametre control.7 dwg