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WO/2020/057340A1 |
A ducted marine propeller, comprising a propeller (1); hull (2) provided at the lower part of a ship body; a middle partition (3) provided in the hull (2); two water inlet channels (4) symmetrically arranged at two sides of the middle pa...
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WO/2020/048933A1 |
The invention relates to a ship hull (10) in particular for a container ship, a bulk carrier and a tanker. The ship hull (10) has a raised portion (LR) of an external contour (AK) of the ship hull (10) in relation to an upwardly directed...
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WO/2020/047163A1 |
A novel rotatable hull that generally includes a hull that is capable of rotating around an attachment point where it is connected to a vessel. In preferred embodiments, an outdoor motor mounted to the rotatable hull will turn to vector ...
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WO/2020/016247A1 |
A slewing control mechanism comprising: a brake shaft (15), a static friction plate assembly (17), a movable friction plate assembly (18), a piston ring (19), and a spring (20). The amount of compression of the spring is adjusted such th...
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WO/2020/005072A1 |
A fluid machine (1) having an intake part (21), a discharge part (26), and an impeller (24), the impeller (24) being arranged in an enclosure (18), and a transmission (90) arranged in the enclosure (18) and operationally connecting a rim...
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WO/2019/245086A1 |
The present invention relates to a duct structure, for a ship, which does not have great increase in resistance due to a boundary layer even at a high speed and thus enables enhanced thrust at a speed of 10 knots or less as well as great...
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WO/2019/245088A1 |
The present invention relates to a propulsion device, for a ship, comprising: a cylindrical duct body having a predetermined inside diameter; and a plurality of guide fins disposed on the inlet of the duct body and extending from the cen...
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WO/2019/228235A1 |
An underwater vessel having four propellers and a control method thereof. The hull (9) of the vessel has a contour conforming to fluid dynamics, and four electric propeller drives (1), (2), (3), and (4) are fixed and installed on the hul...
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WO/2019/219305A1 |
The invention relates to a drive system for a ship, comprising at least two propulsion units (1, 2), wherein each propulsion unit (1, 2) has a propeller (10, 20) and a drive engine (11, 21) with an above-water gearbox (14, 24) connected ...
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WO/2019/220152A1 |
The bow thruster protection (7) intended for installation on a vessel's bow thruster tunnel (1) openings solves the technical problem of protection of bow thruster from damage, while providing a method for simple mounting and dismounting...
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WO/2019/215814A1 |
[Problem] To provide a system for monitoring machine elements that is compact in configuration and can remotely and reliably monitor machine elements provided in a rotating part 3 of a rotating-type marine vessel propulsion device 1. [So...
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WO/2019/210384A1 |
The present invention describes a propulsion-jet propulsion system, an amphibious vehicle that comprises an aquatic propulsion system, and an amphibious-vehicle-navigation method. Specifically, the present invention comprises a propulsio...
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WO/2019/178659A1 |
The present utility model patent relates to a marine vessel propeller guard, pertaining to the mechanical technical sector, more particularly to accessories for marine vessels, which has a structural arrangement that provides an improvem...
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WO/2019/166197A1 |
The invention relates to a bearing block (10) for a ship drive (1) with two propellers (2, 3) which run in opposite directions. The bearing block (10) has a first bore (4) for supporting a first propeller shaft (6) and a second bore (5) ...
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WO/2019/141354A1 |
The present invention discusses an inboard demountable retractable thruster for a marine vessel, the thruster (8) comprising a propeller (12), a thruster body (14), means (18, 22, 54) for driving and steering the propeller (12), means fo...
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WO/2019/129496A1 |
A rotary connection (1) of a drive device of a waterborne vessel (10) has a carrying structure (2) and a rotation structure (3), wherein the rotation structure (3) is mounted rotatably in relation to the carrying structure (2) and the ro...
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WO/2019/122464A1 |
The invention relates to an accelerating ducted propeller system for propelling boats. The system offers enhanced performance, since the front end (5) of the nozzle is at a radial distance (H) comprised between 0.045D and 0.082D from the...
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WO/2019/125177A1 |
Motor assembly (1) for propulsion of a floating vessel, wherein the motor assembly comprises a motor device (23) and mounting means (24, 32) for attaching the motor device to the vessel. The motor device comprises an electrical motor (4)...
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WO/2019/115444A1 |
The invention relates to a drive device (1) for installation on the hull of a watercraft for passenger transport, in particular on an air mattress, comprising a first drive means (11) and a second drive means (12), a control unit (19), a...
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WO/2019/106910A1 |
This adjacent twin-screw ship is provided with: a first propeller and a second propeller which are for propulsion and arranged adjacent to each other; at least one engine that drives the first propeller and the second propeller; and a ph...
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WO/2019/102945A1 |
This stern fin is attached to a side surface of a stern portion of a ship which is provided with a propeller and having a Froude number of a planned service speed at least equal to 0.17, wherein: the stern fin is positioned further forwa...
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WO/2019/099885A1 |
Underwater robotic systems are disclosed. In some instances, a robotic system may include a body, a flexible fin, and a rotatable mass associated with the body such that angular acceleration of the rotatable mass causes a reaction torque...
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WO/2019/096831A1 |
A support apparatus for a podded propulsor, wherein the podded propulsor comprises a slewing apparatus (40) and a propulsor support (10), the propulsor support being connected in a fixed manner to the slewing apparatus by means of a conn...
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WO/2019/097816A1 |
This shaft sealing device 50 is provided with a stern tube seal 52 on the stern side, a contra-rotating seal 54 on the stern side, a single air supply device 56, a stern tube drainage recovery device 58, and a contra-rotating drainage re...
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WO/2019/098471A1 |
An azimuth thruster system includes a pod configured to rotate relative the hull of the ship about an azimuthal axis of the pod, a propeller shaft extending from the pod and being configured to rotate relative to the pod about a central ...
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WO/2019/088696A1 |
An apparatus for enhancing propulsion efficiency is disclosed. An apparatus for enhancing propulsion efficiency according to an embodiment of the present invention comprises: a duct disposed in front of a propeller and having an arc shap...
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WO/2019/057594A1 |
The invention relates to azimuth adjustment means (50) for a nacelle (2), having a segmented direct drive (30). The nacelle is located in particular on a ship. The segmented direct drive (30) has in particular permanent magnets (69). In ...
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WO/2019/050570A1 |
A method and system for providing a watercraft device are disclosed. The watercraft device comprises a board, a throttle coupled to a top surface of the board, a hydrofoil coupled to a bottom surface of the board, and an electric propell...
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WO/2019/045177A1 |
A hydrosphere monitoring system comprises: a guide line for connecting a first point and a second point which are adjacent to a water surface of a hydrosphere; a link member positioned on the guide line; a hydrosphere monitoring module f...
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WO/2019/038132A1 |
The invention relates to a drive assembly for a thruster drive (100). The drive assembly (50) comprises a drive shaft (3) that can be connected to a drive motor (1), an upper deflection gear mechanism (4), a connecting shaft (6), a lower...
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WO/2019/037727A1 |
An omnidirectional propeller capable of providing a ship, a platform, a submersible, and a submarine with a force or moment having six degrees of freedom. The propeller comprises a propeller pod (301) fixed below a slewing mechanism (2) ...
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WO/2019/032065A1 |
In summary, the invention is an electric underwater jet engine system designed for vehicles traveling above or below the sea and which contains multiple stator units which are equipped with microprocessors containing relevant algorithms ...
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WO/2019/025134A1 |
An active rudder system (11) comprises an electrical machine (12) and a power converter (17) for supplying the electrical machine (12), said electrical machine (12) being mounted in a replacement rudder (20). A first rudder has been repl...
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WO/2019/025518A1 |
In an electric actuating drive system (30) of a nacelle (13) for driving a float, the nacelle (13) can be rotated via a shank (1) and a transmission (7,8,8λ) by means of at least two electric actuating motors (9, 10, 16, 17, 18, 19), wh...
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WO/2019/027301A1 |
The present invention relates to a combined system of steering and propulsion for a ship that allows the propulsion direction of a propulsive force generated from an engine installed in a ship to be adjusted without requiring a rudder of...
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WO/2019/027126A1 |
A duct-type ship energy reducing device according to an embodiment of the present invention comprises: a duct disposed to surround a part of the rear protruding part of a ship; and a support part for connecting the rear protruding part t...
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WO/2019/020618A1 |
The present invention provides a cradle structure (50) for a ship propulsion apparatus (100), and a ship propulsion apparatus, the cradle structure being used for connecting an electric drive unit (40) of the ship propulsion apparatus to...
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WO/2019/019011A1 |
A steering oar structure of a dredger, comprising a gearbox (1) connected to a dredger body, and a hub (2) rotatably provided on the gearbox (1). At least one first cutter (3) is provided at one end of the gearbox (1) and approximate to ...
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WO/2019/020358A1 |
The present invention provides an electric motor and a ship propulsion device provided with the electric motor. The electric motor comprises: a stator (473); a rotor (471) which is rotatably provided on a motor shaft (470); and a housing...
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WO/2019/010651A1 |
An anti-winding propeller for a dredger, comprising a gear box (1) connected to a dredger body and a hub (2) rotatably arranged on the gear box (1). At least one first cutter (3) is arranged at one end of the gear box (1) and near the ed...
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WO/2019/011927A1 |
The invention relates to a method for determining the direction and the amplitude of a force applied to a system (10) comprising a stationary portion (13) and a mobile portion (12) which can deform when exposed to said force. Mechanical ...
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WO/2019/002951A1 |
This invention relates to a hydraulic propulsion device of the propeller pump type (referred to throughout as a "propeller pump-type hydraulic propulsion device") especially for vessels as well as any vessels equipped with such a device....
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WO/2018/229354A1 |
A river or near-shore vessel (1), comprising a hull (2), a propeller system (5) with a submerged propeller, a front hydrofoil (3) and a rear hydrofoil (4), the front hydrofoil (3) being connected on two sides to the hull (2) and comprisi...
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WO/2018/229355A1 |
River or coastal watercraft (1), comprising a hull (2), submerged-propeller propulsion units (5), a hydrolift front foil (3) and rear foil (4), each propulsion unit (5) comprising a steerable pod provided with an electric motor (16) and ...
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WO/2018/229352A1 |
River or coastal watercraft 1, comprising a hull (2), two submerged-propeller propulsion units (5), a propulsion unit control (19), a hydrolift front foil (3) and rear foil (4), each propulsion unit (5) comprising an electric motor (16) ...
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WO/2018/223556A1 |
A marine reaction fin having reduced vibration, comprising a tail column (1) and a fin hub (2). The fin hub (2) sleeves on the tail column (1). The fin hub (2) is provided with a blade. The fin hub (2) is integrally formed with the blade...
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WO/2018/216931A1 |
According to one embodiment of the present invention, a ship comprises: a hull; a propeller provided at the rear of the hull; and vortex generating fins respectively arranged at optimal points (Po) of the port and the starboard of the hu...
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WO/2018/198063A1 |
In a boat (1), an inboard propulsion unit (2), wherein the propulsion unit (2) comprises two electric propulsion devices (3), each one provided at least with: - a propeller assembly (6), which can be moved between an active condition, in...
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WO/2018/193149A1 |
The propulsion unit comprises a support frame (20), a nozzle (60) attached to the support frame, a propeller (40) within the nozzle, the propeller having an axis (X-X) of rotation and comprising propeller blades (41-44), and a support co...
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WO/2018/193510A1 |
The boss of a front propeller (2a) is fixed to a propeller shaft (5), and the boss of a rear propeller (2b) is supported by the propeller shaft (5) so as to be freely rotatable about the axis (Z-Z) of the propeller shaft (5). A reversal ...
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