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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/2019/021062A3 |
A retractable propeller driven pedal system for assembly onto a watercraft is disclosed. The retractable propeller driven pedal system converts an input from a user into a motive force for propelling the watercraft. The system comprises ...
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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/2018/199855A3 |
The present invention relates to a vehicle which allows walking on water and also has walking rods (1) whose ends are formed of pontoons, cylindrical canoes (2) and a folding part (5) located between said canoes (2). The vehicle for walk...
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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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WO/2018/177904A1 |
The invention relates to a method of operating a waterborne vessel propelled by at least one mechanical transmission azimuth thruster comprising a driveline connecting a motor located inside the hull of the vessel to a propeller (1) moun...
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WO/2018/168664A1 |
An underwater propulsion device (1) is provided with a propeller (11), a motor (12), and a housing (5). The motor (12) is disposed forward in a propulsion direction from the propeller (11) and rotatably drives the propeller (11). The hou...
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WO/2018/161522A1 |
A twin-set sailcraft system for aquatic recreational activities comprises a main sailcraft (1), an auxiliary sailcraft (2), and a service station (3). The main sailcraft (1) is a boat house floating on water surface. The auxiliary sailcr...
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WO/2018/156165A1 |
An apparatus configured to reduce acoustic interactions between a propeller and a surface of an aircraft positioned downstream of the propeller includes a surface modification element of the surface of the aircraft. The surface modificat...
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WO/2018/151598A1 |
A thruster (1) for propelling a watercraft comprises at least one propeller (11, 12) on a rotatable propeller shaft (13, 14) and a motor (20) for driving the propeller shaft (13, 14) through a drive arrangement, particularly a drive arra...
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WO/2018/142800A1 |
The present invention is provided with: a duct 2 that has at least a cylindrical body portion and that is arranged around a stern tube 104 supporting a propeller shaft at a positon forward of a propeller provided to the stern of a vessel...
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WO/2018/140501A1 |
A motorized fin booster system for surfboard or paddleboard or recreational small craft, consisting of at least one detachable motorized fin and at least one external, contour conforming and waterproof power supply are disclosed. The dis...
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WO/2018/138941A1 |
A ship propulsion device and a ship include: a port propeller shaft (21) and a starboard propeller shaft (22); a port propeller (23) and a starboard propeller (24); a port shaft bracket (25) and a starboard shaft bracket (26); a port rud...
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WO/2018/139234A1 |
A duct device and a ship, wherein the duct device comprises: a duct body (31) which is disposed on at least a portion of the periphery of a rotary shaft (21) of a propeller (13) further towards the front than the propeller (13) which is ...
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WO/2018/139138A1 |
This duct device 1 is provided with an inner duct 2, an outer duct 3, and a stay, wherein the opening area Ao of an outflow port 8 between ducts defined by a rear end part 22 of the inner duct 2 and a rear end part 32 of the outer duct 3...
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WO/2018/140548A1 |
A hydrofoil shield for protecting a boat motor includes a shield body, two fins, a nose section, and a tail section, wherein the shield body has a central shield portion with fins extending therefrom and the nose section disposed forward...
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WO/2018/134469A1 |
The vessel comprises a hull (20) having a bottom line (BL) and a bow (30). A recess (100) is arranged in the bow above the bottom line of the hull of the vessel, the recess comprising a bottom surface (110) forming a portion of the hull ...
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WO/2018/127909A1 |
There is provided a universal safety guard for a propeller of a trolling motor having a propeller end and a rear end, having an adjustable motor holder including a pair of oppositely-facing omega-shaped sections, where each section is di...
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WO/2018/126817A1 |
An underwater propulsion device (10) and attachment device (100) thereof are provided. The attachment device (100) includes a main support frame (110) for holding a motorized device(200), and a connecting member (120) detachably connecte...
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