Rotary-screw ship propeller |
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IPC classes for russian patent Rotary-screw ship propeller (RU 2483964):
 Pike's flapping jet propulsor / 2482994
Invention relates to ship building. Flapping jet propulsor comprises moving member, cable braces, chamber and one-way plate valves. Said moving member is arranged in said chamber and retained in working position by cable braces. Forces generated by moving member are transmitted via cable braces to moving vessel. Chamber features box-like cross-section or wider mid section. Moving member performs eccentric reciprocation when driven by tire rods at one point, by one drive. Said one-way plate valves are used to up efficiency of moving member at its breakoff from chamber walls.
 Fin propulsor / 2482012
Invention relates to marine propulsion plants. Fin propulsor comprises, at least, one fin and fin drive. Said propulsor is mounted inside ship hull. Said fin translates in lateral direction and is secured to fin shaft. Fin drive comprises crankshaft, drive of oscillation relative to transverse axis for turning said fin about fin shaft and drive of vertical fin displacement in transverse plane relative to fin shaft and ship axis. Aforesaid crankshaft actuates both aforesaid drives. Said drives are engaged with one crankshaft portion and two portions of equal radius and angular position relative to crankshaft rotational axis.
 Propeller screw / 2482011
Invention relates to ship building, namely, to propeller screws. Propeller screw comprises vaned hub. Hub vanes comprise driving surface and drawing surface. Said surfaces have radial blind holes shaped to truncated ball and shifted relative to each other in cross-section. Hole depth H varies from 0.7D to 0.8D where D is hole diameter. Hole diameter smoothly decreases in compliance with vane thickness decrease. Hole inner surface is coated with polymer material of minimum friction factor (in interaction with water) and high resistance to aggressive media.
 Method of producing flapping motion and flapping screw to this end / 2482010
Invention relates to propulsors for air and water transport facilities. Method of producing flapping motion by blades of screw fitted on screw hub comprises combining blades revolution about hub axis and about their lengthwise axes. Said blades revolution about their lengthwise axes is effected indirection opposite that of hub rotation and at angular speed equal to that of hub. Flapping screw comprises blades with their lengthwise axes are set in one plane or intercrossed in parallel planes, or intercrossed in planes at crossing angles of 0 to 90 degrees. Proposed screw is equipped with intermittent drive to allow n blade additional turns per one hub revolution in or against hub rotational direction. Said screw may be equipped with extra mechanism for adjustment of blade inclination and/or medium flow guide device.
 Screw propulsor / 2482000
Invention relates to converters of engine or other energy source work into that driving transport facilities. Screw propulsor comprises housing composed of hollow cylindrical multistart helical jacket. Said jacket is arranged along the vehicle body edges to revolve thereabout. Said housing represents a multistart helical surface arranged along its edges with helical grooves inside and outside at 5 to 45 degrees to jacket lengthwise axis and shaped to birecurvate recesses. Centers of curvature of said recesses are located inside and outside jacket cross-section. Jacket is composed of equal-width one or more tapes coiled in helical turns interconnected by lengthwise edges. Said tapes are bent in zigzag manner along flexure lines arranged at angle to lengthwise edges. Said tapes form, along outer and inner surfaces, wavy helical surfaces shaped to curved recesses directed to one side at 5 to 45 degrees to jacket lengthwise axis. Said recesses may differ in both shape and size. Distance between flexure lines equal the sum of lengths of perimeters of geometrical figures of inner and outer surface recesses.
 Motor-driven life-boat / 2479462
Invention relates to ship building, particularly, to small boats and rafts, namely to their drives. Proposed motor drive life-boat comprises guide screw with its shaft engaged via system of gears with basket. Said basket is provided with passenger seats and secured at suspended radial rods to allow basket cyclic oscillations on semi axles fitted in bearings rigidly coupled with boat body through ±α at pitching. Invention covers the versions of gear wheel system coupling lead screw shaft with basket.
 Water-jet propulsion complex / 2478060
Invention relates to ship water-jet propulsion complexes. Proposed complex comprises combustion chamber, expansion (hydraulic) chamber, hydraulic valve, nozzle block, fuel pump, fuel injector, spark plug, intake and exhaust valves, air and exhaust systems, turbo supercharger and air cooler. Expansion chamber is located below water level. Turbo supercharger is driven by energy of gases and, additionally, by motor.
 Direct-flow propulsor for water transport / 2477699
Invention relates to ship building and may be used for various ships. Proposed propulsor comprises pipeline and device to create water jet by forming travelling water waves. Said pipeline is arranged below water-line in symmetry on both sides of ship hull. Holes extending into pipeline made at equal distance L along ship hull. At least, two pairs of displacement piston pumps are located inside the hull on every side. Said pumps are rigidly jointed with ship hull and communicated with said holes via feed hoses to run in reciprocation mode. Extra hoses are arranged between pump cylinders and said holes. Switching solenoid valves are arranged in hoses and extra hoses.
 Screw propulsor / 2473447
Invention relates to devices in tended for converting engine power output into driving force to move transport facility on soil, in water and under water. Drive propulsor comprises propulsor proper and housing. It represents hollow cylindrical helical jacket arranged along perimeter of transport facility to rotate there around. Strips are coiled in vertical lengthwise plane and bent in screw lines across the mandrel composed of paraboloid of revolution to make screw lines and helical curvilinear concave surfaces with center of curvature outside screw jacket.
 Ship exploiting hull pitch-and-roll energy / 2472669
Invention relates to ship building. Ship is equipped with devices to take off pitch-and-roll energy incorporating power converters connected with consuming equipment. Said power take-off device is composed of bed and working body of preset weight. Said working body has support rollers running in pairs on common shaft and positioning rollers, and is located inside aforesaid bed to reciprocate therein. Said power take-off device is equipped with mechanism to control working body position, and brake. Said mechanism to control working body position is fitted on shaft of one pair of support rollers while power converter is fitted on shaft of another pair of rollers. In taking off pitch power, working body is located to displace parallel with ship centerline while in taking off roll power it displace perpendicular to centerline.
Screw propulsor / 2482000
Invention relates to converters of engine or other energy source work into that driving transport facilities. Screw propulsor comprises housing composed of hollow cylindrical multistart helical jacket. Said jacket is arranged along the vehicle body edges to revolve thereabout. Said housing represents a multistart helical surface arranged along its edges with helical grooves inside and outside at 5 to 45 degrees to jacket lengthwise axis and shaped to birecurvate recesses. Centers of curvature of said recesses are located inside and outside jacket cross-section. Jacket is composed of equal-width one or more tapes coiled in helical turns interconnected by lengthwise edges. Said tapes are bent in zigzag manner along flexure lines arranged at angle to lengthwise edges. Said tapes form, along outer and inner surfaces, wavy helical surfaces shaped to curved recesses directed to one side at 5 to 45 degrees to jacket lengthwise axis. Said recesses may differ in both shape and size. Distance between flexure lines equal the sum of lengths of perimeters of geometrical figures of inner and outer surface recesses.
 Mobile robot of magnetic interaction / 2481997
Invention relates to robot with magnetic interaction. Proposed robot comprises frame 10 with wheels to run on support surface with high magnetic conductivity and one permanent magnet 30 to interact with said surface for adhesion between robot and said surface. Magnet 30 is arranged to slide on said support surface. Magnet 30 is fitted in holder 32 free swinging to keep magnet pole at minimum distance from said support surface whereat every support 32 can swing on wheel shaft.
 Screw drive / 2481996
Invention relates to ship propulsors. Screw drive consists of even number of hollow cylinders with helices at generatrix and float cylinders. Every helix has, at least, two-point articulation with appropriate hollow cylinder. Said articulation allows said helix to run around float cylinder in both directions. Float cylinder doubles as helix stator. Only helix is rotated by drive in said float cylinder-with-helix assembly.
Screw drive / 2481996
Invention relates to ship propulsors. Screw drive consists of even number of hollow cylinders with helices at generatrix and float cylinders. Every helix has, at least, two-point articulation with appropriate hollow cylinder. Said articulation allows said helix to run around float cylinder in both directions. Float cylinder doubles as helix stator. Only helix is rotated by drive in said float cylinder-with-helix assembly.
Self-propelled off-road vehicle / 2475403
Invention relates to automotive industry, particularly, to propulsors and may be used in construction of higher flotation vehicles. Proposed vehicle comprises main propulsors and extra auger-type propulsor. The latter is arranged under vehicle body, in its lengthwise axis, and controlled from driver cabin. With vehicle bottom adhered to soil, auger propulsor is used to drive the vehicle forward or backward unless stable contact of main propulsors with soil that allows to move in usual way.
Screw propulsor / 2473447
Invention relates to devices in tended for converting engine power output into driving force to move transport facility on soil, in water and under water. Drive propulsor comprises propulsor proper and housing. It represents hollow cylindrical helical jacket arranged along perimeter of transport facility to rotate there around. Strips are coiled in vertical lengthwise plane and bent in screw lines across the mandrel composed of paraboloid of revolution to make screw lines and helical curvilinear concave surfaces with center of curvature outside screw jacket.
 Conical propulsor / 2472664
Invention relates to devices is intended for converting engine power output into driving force to move transport facility on soil, in water and under water. Conical propulsor represents hollow conical helical jacket mounted in perimetre of transport facility body front to remove there around and made up of curved convex strips. Strip side edges represent curves of 2nd-order curvature of width varying over aforesaid jacket length from inlet to outlet. Strips are coiled in vertical lengthwise plane and bent in screw lines across the mandrel composed of paraboloid of revolution to make screw lines and helical curvilinear concave surfaces with center of curvature outside screw jacket.
 Drive propulsor / 2472663
Invention relates to devices in tended for converting engine power output into driving force to move transport facility on soil, in water and under water. Drive propulsor comprises propulsor proper and housing. Propulsor is composed of hollow helical jacket mounted all over edges of transport facility and equipped with means to revolve propulsor revolve about its axis and housing. Propulsor is made from one equal-width ribbon bent along flexure lines made at angle to ribbon lengthwise edges to make screw lines on outer surface and screw curvilinear surfaces inside aforesaid helical jacket that differ in both shape and sizes. Distance between flexure lines equals the sum of perimetres of convex curvilinear surface along perimetre of hollow helical jacket.
 Direct-flow propulsor / 2470827
Invention relates to converters of engine or other energy source work into that driving transport facilities. Proposed propulsor is composed of hollow cylindrical multistart screw jacket made up of one and more equal-width bands. Screw lines and surfaces are made on jacket outer surface directed in one direction at 5°-45° to its lengthwise axis. Surfaces feature polygonal shape composed of different geometrical figures with four and more lateral sides. Said figures differ in both geometry and sizes. Said hollow screw jacket is mounted all along transport facility body to rotate about its lengthwise axis and said body.
 Mechanical group with cylindrical precession: eccentric transmission (versions), transport device with alternately horizontal and vertical backstroke of working member incorporating eccentric transmission (versions) / 2469226
Eccentric transmission based on wheel pair comprises geometrical axles of wheels of transmission main stage coupled by tie-rod. Wheel drive and driven shafts are eccentrically offset relative geometrical axles by amount proportional to required pulsation of torque and drive wheel cylindrical precession. Distance between wheels equals that between axles. Transport device mechanism is based on eccentric transmission with controlled eccentricity.
Screw propulsor / 2482000
Invention relates to converters of engine or other energy source work into that driving transport facilities. Screw propulsor comprises housing composed of hollow cylindrical multistart helical jacket. Said jacket is arranged along the vehicle body edges to revolve thereabout. Said housing represents a multistart helical surface arranged along its edges with helical grooves inside and outside at 5 to 45 degrees to jacket lengthwise axis and shaped to birecurvate recesses. Centers of curvature of said recesses are located inside and outside jacket cross-section. Jacket is composed of equal-width one or more tapes coiled in helical turns interconnected by lengthwise edges. Said tapes are bent in zigzag manner along flexure lines arranged at angle to lengthwise edges. Said tapes form, along outer and inner surfaces, wavy helical surfaces shaped to curved recesses directed to one side at 5 to 45 degrees to jacket lengthwise axis. Said recesses may differ in both shape and size. Distance between flexure lines equal the sum of lengths of perimeters of geometrical figures of inner and outer surface recesses.
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FIELD: transport. SUBSTANCE: invention relates to ship propellers. Rotary-screw ship propeller consists of even number of floats which have enveloping spirals along outer surface. On each of propeller levels of ship starting from water line and lower there are two hollow floats. The floats serves as stators for spirals-rotors matched to them. The spirals have stand-alone drive for rotors of corresponding level. EFFECT: better serviceability and increase in ship specific speed. 2 cl, 1 dwg
The invention relates to ship propulsion. Known rotary-screw propulsion of a ship - screw vehicle /see, for example, driving, 2011, No. 12 (966), p.260-262/consisting of even number of siblings of hollow cylinders with welded spirals on form - screw driven in rotation from the engine, including marine installation. When the primary advantage of such a rotary-screw propulsion - buoyancy he remains a low-speed marine propulsion, as the screw is made according to the classical scheme is a hollow cylinder of a standard form with welded spiral generatrix. In addition, due to the placement of all hollow cylinders with augers at the same level court with this type of propulsion is critical to pitch and roll. The aim of the invention is to eliminate said drawbacks rotary-screw propulsion of the vessel. The stated objective is achieved by the rotary-screw propulsion of the vessel, consisting of an even number of hollow floats, covering having a spiral along the outer surface, each of the propulsion levels of the ship, starting with the waterline and below, contains two hollow float, employees stators unified under them spirals-rotors with Autonomous drive rotors appropriate level. While the cross-section of floats appropriate level optimized length in hydrody amecisco respect, and spiral appropriate level unified under the respective floats. The drawing shows a two-level structural diagram of a marine rotary-screw propulsion, rear view. Rotary-screw propulsion of the vessel 1 consisting of an even number (in the drawing - four) hollow floats, covering having a spiral along the outer surface (see Assembly 2 in the drawing). And each propulsion levels (see I and II in the drawing) of the vessel 1, starting from the waterline and below, contains two hollow float (part of the Assembly 2 in the drawing)serving stators unified under them spirals-rotors (part of the Assembly 2 in the drawing)having self-contained actuator (not shown) of the rotors of the respective level (I or II in the drawing). While the cross-section of floats appropriate level optimized length in hydrodynamic terms, and spiral appropriate level unified under the respective floats. Dividing structurally mover (i.e. the Assembly 2 in the drawing) on the hollow float-stator and unified spiral-rotor, maintaining the buoyancy of the vessel 1, the proposed technical solution: 1) improve the maintainability and/or replacement of components of propulsion; 2) maximising optimal hydrodynamic relation to the profile of the float, for example, issue lnaa the step (in the prototype float - always cylindrical body of rotation); 3) facilitate rotary part (in the prototype, the rotor and stator are one), that (with the same drive power) will allow you to win in the speed of rotation of the spiral, i.e. will increase the speed of the vessel. Performing of the four single-tier drivers (see prototype) two propulsion level (I and II in the drawing) with two propellers (see Assembly 2 in the drawing) on each, using the proposed solution, to deal with the pitch and roll of the vessel or to artificially create the pitch and roll of the vessel, changing the traction capabilities of the propellers at different levels (the sides) of the vessel. Thus, according to the applicant, the proposed solution is new, involves an inventive step and is industrially applicable. 1. Rotary-screw propulsion of the vessel, consisting of an even number of hollow floats, covering having a spiral along the outer surface, wherein each of the propulsion levels of the ship, starting with the waterline and below, contains two hollow float, employees stators unified under them spirals-rotors with Autonomous drive rotors appropriate level. 2. Rotary-screw propulsion of the vessel according to claim 1, characterized in that the cross-section of floats appropriate level optimized length in hydrodynamic Rel is the solution, and spiral appropriate level unified under the respective floats.
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