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Transonic water-jet vessel propulsor Invention relates to shipbuilding, namely to water-jet propulsors for vessels and other floating crafts. The transonic water-jet vessel propulsor includes inlet and outlet water duct, fluid flow rate booster. The inlet water duct the outlet of which is connected with the inlet of fluid flow rate booster the outlet of which is connected with the inlet of outlet water duct. The fluid flow rate booster includes at least two nozzles on one axis where at least one nozzle is inserted into subsequent nozzle along fluid motion path with creation cavity between them, and at least in all cavities pressure sensors are installed, and in the inlet and outlet nozzles velocity sensors are installed. Herewith, the booster is made with possibility to create water-gas mixture in the area between two adjacent nozzles. |
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Method of vessel propulsion includes water intake through inlet (main) channel located in the forebody, water acceleration and water discharge through outlet (main) channel in the forebody into water or air medium without initial water jet contact interaction with vessel hull. Water intake and its discharge can also be performed using both main and additional channels. |
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Invention relates to water transport, particularly, to water-jet propellers. Water-jet propeller comprises water intake 1, propeller shaft 4, wheel rotor 3, water-jet propeller housing and reverse control device. Said water intake is provided with inlet protective screen 2, flange to connection with propeller housing and stern gear with oil chamber. Propeller shaft incorporates stern and bow thrust bearings 11 and 12, respectively. Propeller housing comprises flow-straightening grids 5. Thrust bearing, jet nozzle and reverse control device are arranged in said flow-straightening grids. Reverse control device comprises rotary nozzle 6 with control-surface actuator and reversing flap 7. Radial roller bearing with detachable inner ring 13 is fitted in the case of flow-straightening grids, on propeller shaft stern end. |
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Device for implementation of working process of external combustion engine with liquid piston Invention refers to engine building and development of the device for implementation of working process of external combustion engine with liquid piston. Device includes working chamber fixed on the engine rotor, which has flow part consisting of working liquid supply area, heating area of working liquid, nozzle block forming jet flows of working medium, inducing rotor rotation, hydraulic lock preventing overflow of working liquid from heating area of working liquid to supply area of working liquid, fixed blading for changing the value and direction of velocity of jet flows, heat source for external heating of working liquid in the heating area of working liquid. Device can be provided with possibility of utilisation of kinematic energy of jet flows leaving the nozzle block by means of working members of turbo machine which has no rigid mechanical connection to rotor of the engine. Working liquid supply area of the device can represent liquid ring with free surface in enveloping gas medium. Kinematic energy of jet flows leaving the nozzle block can be utilised by means of working members of turbo machine which has no rigid mechanical connection to rotor of the engine. |
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Invention relates to internal combustion engines and can be used in water transport. Proposed engine comprises rotor running in housing bearings to generate working fluid ring from outer water. Combustion chamber representing a closed vessel is arranged on rotor periphery. Said chamber incorporates working fluid and combustible mix feed valves, combustible mix being held inside the chamber by means of water hydraulic gate. Combustible mix is compressed by working fluid forced into combustion chamber. On igniting compressed combustible mix, a fraction of working fluid evaporates. Generated steam-gas mix displaces remaining working fluid from combustion chamber to create propulsive jet outgoing from the nozzle. Valves are controlled by camshaft arranged aligned with rotor shaft. |
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Proposed water jet comprises: housing 1 with horizontal water duct 2 and exhaust gas ducts 3. Vertical 3 and horizontal 5 shafts arranged in the housing are articulated by gearing 7. Waterjet comprises also impeller 7 fitted on free extension of shaft 5, water intake branch pipe 8 arranged at the bottom of housing 1 and top face 9 intended for communication of Waterjet bottom with engine deadwood bottom part. Besides Waterjet incorporates pump 10 to engine cooling system water feed and gearshift mechanism 11 with link 12. Impeller 7 comprises four blades 13 secured on hub 14. Said hub has axial channels 15 to end in exhaust gas channels 3. Every blade 13 features monotonously increasing thickness from front edge 16 to rear edge 17. |
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Invention relates to internal combustion engine. Proposed engine comprises outer rotor to generate outer fluid ring and inner rotor to produce inner fluid ring that comprises suction and combustion chambers. Rotational axes of rotors are offset while direction of rotors rotation is aligned. When suction chamber is located in enclosed suction region formed in outer rotor by hydraulic gate, a portion of combustible mix is forced therein. When said suction chamber moves inside outer fluid ring, combustible mix is forced into combustion chamber to be held by inner fluid ring. Ignition of compressed mix inside combustion chamber brings about ejection of jet flow that revolves turbo machine shaft. |
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Invention relates to ship building, particularly to ship propulsors. Proposed propulsor comprises cylinder with blades limited by side disks, water intake, water baffle, straightening device, water intake grid. Cylinder is fitted on drive shaft fitted perpendicular to ship motion direction and runs in bearings of stern platform support. Propulsor blades are fitted all along the cylinder parallel to the shaft and bent arc wise opposite the propulsor rotation. Stiffening ribs, attached to blades and cylinder, are arranged on suction side of propeller cylinder blades between and parallel with disks. Straightening device is arranged behind propeller cylinder, consisting of horizontal plates secured to stern platform vertical walls. Water accelerates in direct-flow channel formed by water intake and propeller cylinder arranged so that water intake top plane is located at the level of propeller cylinder lower line. |
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Internal combustion engine with fluid piston Invention relates to engine production, in particular ICE working chamber with fluid piston. ICE working chamber with fluid piston represents an enclosed vessel. Said vessel is fitted on engine rotor and furnished with duct with valve to feed working fluid in working chamber and with hydraulic gate to rule out ingress of gas mix therein. Working chamber vessel is furnished also with duct incorporating valve to feed fresh combustion mix or its components into working chamber and valve to discharge a portion of working fluid from working chamber, hydraulic gate to prevent losses of fresh combustion mix and nozzle to create working fluid jet. Note that working chamber vessel has channel incorporating the valve designed to force combustion product residues out of working chamber and nozzle to create jet of said residues, as well as duct designed to keep compressed combustion mix in working chamber and, with combustion mix ignited, to force working body to nozzle that creates working body jet. |
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Proposed engine comprises outer rotor to create outer liquid ring and inner rotor to create inner liquid ring that incorporates suction chamber and combustion chamber. Rotors rotational axes are located off center, while rotors run in one direction. When suction space stays in outer liquid ring low-pressure zone, it receives a portion of combustible mix. When said space displaces in high-pressure zone, said mix is forced into combustion chamber to be held by inner liquid ring. Ignition of compressed mix causes ejection of jet to start rotor running. |
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Invention is related to the field of river and sea transport. Transport includes vessel, where engine and propeller, being interconnected, are installed. Steering control of transport horizontal displacement is arranged in stern part of vessel. Propeller is arranged in the form of gear pump, every gear of which is installed on parallel axes and is made in the form of two identical blades, the right and left ones, which are joined in the centre by bosses. On peripheral surface of each blade and boss there are teeth arranged, which provide for continuous geared coupling as gears rotate towards each other. |
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Invention is related to propellers and may be used at marine vessels. Electromagnet propeller comprises set of energy accumulators, switching device, body with channel for inlet and outlet of water, in which main electrodes are installed for current generation in electric field, covering section of specified channel, and device for generation of magnetic field oriented perpendicularly to electric field, to create main Lorentz force. In working channel of propeller there is at least one pair of additional electrodes installed as insulated from the main electrodes, with the possibility to provide for electric breakdown of water and development of additional Lorentz force that matches the main one in direction. At the same time switching device provides for connection of energy accumulators to additional electrodes. |
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Method to generate thrust (versions) and apparatus to move in fluid medium (versions) Set of inventions relates to apparatuses moving in air or water. Proposed apparatus comprises aerodynamic section wheel with top convex surface, fluid medium high-pressure source communicates with high-pressure jet generator arranged above the wing convex surface. Six design versions of proposed apparatus are distinguished for by the design of aforesaid high-pressure jet generator. Method of generating thrust consists in using high-pressure jet generator arranged above the wing convex surface. Five versions of the method are distinguished for by the design of aforesaid high-pressure jet generator. |
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Water-jet propeller for submarine vessel Water-jet propeller for submarine vessel contains at least one liquid flow accelerator in propeller nozzle coaxial with stern extremity of vessel and includes at least two nozzles on same axle. At least one nozzle is coaxially introduced into next nozzle in direction of fluid movement with formation of cavity in between nozzles. At that, at least one cavity is communicated with fluid supply and suction devices. At least in one cavity with fluid supply and suction devices liquid media ionisation means are located. All cavities are supplied with pressure gauges and inlet and outlet jet nozzles have speed sensors. Cavities with fluid supply and suction devices have electrodes installed for electrohydraulic impacts in liquid media. |
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Fluid flow accelerator contains at least in-line two nozzles with at least one of them coaxially inserted into the nozzle in the same direction as fluid motion for cavitation between the nozzles. And at least one cavity is connected with fluid feeder and suction. At least one cavity contains fluid ioniser cavity with fluid feeder and suction includes fluid hydraulic impact electrodes connected to outputs of fluid hydraulic impact forming unit. |
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Electromagnetic propulsion device Electromagnetic propulsion device incorporates a housing with a water intake and discharge channel accommodating the main electrodes to generate current in electric field enveloping the said channel section and a device to generate a magnetic field oriented perpendicular to the said electric field to create the main Lorenz force. The propulsion device working channel incorporates, at least one pair of additional electrodes isolated from the main ones to ensure an electric breakdown of water and to create an additional Lorenz force aligned with the main one. |
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Invention relates to production of ejector-nozzle devices for hydrojet engines. Proposed device contains fixed unit-faceplate with axially sectionalized spaces, each connected with mains with liquid or gas under pressure by channels and holes. Movable unit contains multinozzle head with shank-shaft installed in central hole of faceplate. Movable subassembly contains flexibly deformable bushing with screw-shaped slots, and head nozzles are provided with tube tips installed for rotation. Shank-shaft is mechanically coupled with electric or hydraulic drive. Ring chamber arranged in one of sectionalized spaces is connected with mains to supply gaseous explosive mixture. Blind hole-socket is found on faceplate at one diameter with other holes, being connected with ring chamber by channel on way of which check valve with primer and cutoff-meter in form of rectangular spring-loaded plate with fitted in jet are built in. Nose of meter is in sliding contact with face surface of head which is provided with segment slots on one diameter with meter, depth of said slots corresponds to opening-closing stroke of meter jet hole. Device in form of monoblock is mounted in fairing housing compartment to which thin walled bushing - ejector tube is connected by means of pylons. Walls of said tube are made of screw-shaped relatively engaging tape strips and they form contraction-diffuser outline of tube whose discharge end face is mechanically coupled with ring hydraulic cylinder. Fairing is secured on watercraft by means of pylon. Power supply main lines of device are connected with stationary power supply sources and watercraft control panel through tunnel channel in pylon. |
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According to proposed method outside water is heated to temperature not exceeding saturation temperature of outside water at pressure, working medium, thus obtained, is accelerated to supersonic speed and then is mixed with cold outside water and discharged in form of reaction jet. Prior to reaching supersonic speed, mixture of working medium and cold outside water is discharge simultaneously in several flows into space with pressure lower than pressure of outside water. Device for implementing the method contains heater, accelerating nozzle for heated working medium, confusor mixing chamber connected with nozzle and at least one channel to discharge mixture of working medium and outside water connected check valve with mixing chamber. Accelerating nozzle is made with contour of supersonic nozzle for water heated to temperature not exceeding saturation temperature at pressure of outside water. Mixing chamber is provided with channels to let in cold outside water and outlet nozzle for flowing out reaction jet. |
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Propeller for sea-going ship (versions) According to first version, proposed propeller is provided with permanent magnets mounted on the outside of magnetic hull in form of parallel parallelepipeds secured by one pole on ship's hull in parallel with direction of motion; opposite poles are pressed to magnetically conducting plane. Electrodes are mounted on inter-pole planes inside rectangular cavities thus formed which are electrically insulated from material of magnets, ship's hull and magnetically-conducting plane. Electrodes are connected in pairs by their poles. According to second version, bow-shaped magnets are secured inside nonmagnetic hull of ship perpendicularly to direction of motion in line by alternating poles. Magnetically-conducting plane is opposite to hull. Electrodes connected with current source by their alternating poles are located between ship's hull and magnetically-conducting plane in parallel to direction of ship's motion. |
Another patent 2531465.