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WO/2021/164778A1 |
Provided is an in-water navigation body highspeed and efficient propulsion method. A propulsion apparatus (1) is provided at the bottom of an in-water navigation body, and the propulsion apparatus is provided with a waterjet propulsion d...
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WO/2021/120468A1 |
Disclosed is a water spacecraft, which is a high-speed water vehicle that flies on water, and which is composed of a hull that has a round head tip, a round tail and a flat bottom from the top-down view of a draft, a water jet driving de...
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WO/2021/107618A1 |
An amphibious mobility power transmission device coupled to a driving shaft connected to a power source, according to one embodiment of the present invention, comprises: a first planetary gear assembly; wheels for traveling on land; and ...
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WO/2021/084132A1 |
The invention relates to a piece of water sports equipment, in particular a hydrofoil board, comprising a floating body (4), preferably in the shape of a floating board, and a propulsion device (50) which is provided for driving the piec...
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WO/2021/084126A1 |
The invention relates to a water sport device, in particular a foilboard, comprising a floating body (4), preferably in the form of a floating board, and a foil device (6) which is secured to the floating body (4) by means of a retaining...
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WO/2021/084130A1 |
The invention relates to an underwater motor module (2) for a water sports device (3), said module forming at least one flow channel (6) with at least one respective inlet opening (8) and an outlet opening (10) and having a motor (11) th...
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WO/2021/084131A1 |
The invention relates to a water sport device, in particular a foilboard, comprising a floating body (4), preferably in the form of a floating board, and a foil device (6) which is secured to the floating body (4) by means of a retaining...
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WO/2021/085719A1 |
The present invention relates to an electric surfboard comprising: a body part having an inner space into which air can be injected, and including a streamlined upper surface having a curved side, a lower surface having the same shape as...
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WO/2021/081048A1 |
A propulsion system for a marine vessel in a body of water includes an water intake formed in the hull, a impeller disc rotatable about a vertical axis for raising water and increasing the momentum of water in a plenum chamber, and a plu...
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WO/2021/080318A1 |
The present invention relates to a hybrid ship propulsion system having a waterjet propulsion mode and an electric propulsion mode by using a hybrid multistage power generator. The hybrid ship propulsion system comprises: a pump for supp...
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WO/2021/064228A1 |
The invention relates to an electrically assisted craft which is intended to allow a user to be transported on water, the invention notably finding an application in the field of surfboards, paddleboards or else sailboards, and in the fi...
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WO/2021/059665A1 |
Provided is a motor-integrated fluid machine having an integrally provided motor, the motor-integrated fluid machine comprising: a rotating part that rotates about a rotary axis; an outer circumferential part provided to the outer circum...
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WO/2021/062339A1 |
An aquatic vessel, illustratively a pontoon boat including a thruster system is disclosed. The aquatic vessel executes a process to automatically position the aquatic vessel relative to a target location such as a mooring implement. Exem...
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WO/2021/050212A1 |
A self-propelling watercraft system is provided. The watercraft has a base with a plurality of sidewalls extending from the base to form a cockpit. The base also has a recess, where a pump can detachably connect to the hull within the re...
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WO/2020/254195A1 |
The invention relates to a watercraft (10). The watercraft according to the invention has a jet drive module (13). The watercraft (10) is characterized by comprising modules that can be connected to each other, a stern module (12) and a ...
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WO/2020/190150A1 |
Propulsion device in which a main duct (20) which runs over into several branch ducts (7) for flowing media, is enclosed by a housing (5) with at least one inlet opening (4), the branch ducts (7) which are arranged adjoining each other a...
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WO/2020/167643A1 |
An amphibious vehicle comprises a buoyant hull, a boat motor affixed to the hull to propel the amphibious vehicle in water, two or more powered wheel assemblies affixed to the hull to propel the amphibious vehicle on land, and two or mor...
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WO/2020/148077A1 |
The invention relates to a watercraft, in particular a swimming and/or diving aid, comprising a hull (10) which has a stern (12) and a bow (11), wherein: two flow channels (27) are provided in the hull (10) or on the hull (10) and run fr...
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WO/2020/145843A1 |
The invention relates to the field of shipbuilding, in particular to reversing and steering devices of waterjet propelled ships. The reversing and steering waterjet propulsion unit comprises a deflector and a reversing curved astern w...
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WO/2020/084193A1 |
The invention relates to a water-jet propulsion unit (10), which includes - a body (16), - an impeller (28) for moving water, the impeller including (28) an impeller tunnel (38) - an impeller shaft (34) for driving the impeller (28), - a...
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WO/2020/082765A1 |
The present invention relates to an underwater thruster, comprising a power portion and a propeller, wherein the power portion is provided at the upstream of the propeller for driving the propeller to rotate. The underwater thruster furt...
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WO/2020/053869A1 |
The present invention, fore-water sucking tunnel conduit jet propulsion apparatus and method for marine crafts and vessels provides improved thrusting mechanism for marine crafts and vessels of varied sizes in open water and in medium of...
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WO/2020/036853A1 |
A watercraft comprising a compressed air propulsion system is shown and described. The watercraft includes at least one propeller operatively connected to an air motor. Storage tanks supply compressed air having a pressure of at least 20...
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WO/2020/026166A1 |
Propulsion device with outboard waterjet for marine vehicles, which comprises a nacelle (2) which at its interior houses a propeller (3) constituted by a pump (11) actuatable for generating a flow of fluid through the nacelle (2) accordi...
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WO/2020/019453A1 |
A boat and an assembly method therefor. The boat is provided with a fluid passage (1) and a water flow accelerator, and is also provided with an upper housing (2), a lower housing (3), and a mounting plate (4) disposed in a cavity enclos...
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WO/2020/022354A1 |
The moving bodies according to the present invention move in the water and/or on the water surface in conformity to a person moving on the water by stepping forward with each foot alternately, said moving bodies each including: a movemen...
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WO/2020/005290A1 |
An assembly for a Hall-effect thruster includes an inner guide member extending axially along a longitudinal axis to a discharge end. An outer guide member has a surface radially facing and radially spaced from the inner guide member and...
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WO/2019/229484A1 |
A device for changing the driving behavior and / or mode of operation of water jet vehicles, where the (70) connecting unit can be connected to (30) venturi with connection - that is the part of the system - with or without using tools. ...
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WO/2019/217221A1 |
A power generating system for sailboats and sailing vessels employing the vacuum provided by a Venturi generator while the boat or vessel is in motion. Placement of a turbine for recovering the energy of air moving from the atmosphere to...
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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/2019/209932A1 |
A rechargeable robotic pool cleaning apparatus having a first water pump for providing a downward thrust force, a second water pump for providing at least a rearward thrust component, and a third water pump for providing at least a forwa...
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WO/2019/172808A1 |
The invention relates to jet propulsors widely used, for example, in various transport vehicles and is intended for equipping transport vehicles moving in a three-dimensional liquid (for example, in water body) or gas (for example, in...
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WO/2019/166496A1 |
The invention relates to a floating board (2) consisting of a material which can float on water, having a support region (8) on which a user at least partially lies. In order to reduce the flow forces which act on the user while he or sh...
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WO/2019/129687A1 |
In one aspect of the invention, there is provided a modular electrically motorized watercraft (10), the watercraft comprising a hull module (20) and a driveline system (60). The driveiine system (60) comprises an electric power module (5...
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WO/2019/122225A1 |
The invention relates to a surfboard having a body (22) and a jet propulsion system (2) arranged in the body and an accumulator, arranged in the body, for the jet propulsion system, the jet propulsion system being mounted on a support (1...
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WO/2019/117760A1 |
The invention relates in general to marine propulsion, and in particular to propulsors with a reactive water jet created by means of rotating-type pumps, and even more particularly relates to pump jets for motor boats. The proposed pump ...
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WO/2019/106053A1 |
The invention relates to a boat which comprises at least one combustion engine (32) positioned on or symmetrical with respect to the vertical median plane of the boat and two engines provided symmetrical with respect to the vertical medi...
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WO/2019/086762A1 |
The invention provides a system (100), a software program product (600) and a method for manoeuvring a boat (110). A plurality of water nozzles (140) is provided on the boat (110). Further, a plurality of pumps (120) is operated by a pow...
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WO/2019/088641A1 |
Provided is a propulsion apparatus for a diver comprising: a main housing which has a tubular structure having an open rear end, an inlet hole, formed on the outer surface of a front end of the main housing, for introducing a fluid into ...
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WO/2019/074859A2 |
A hydraulic propulsion system is disclosed. The system includes one or more input interfaces configured to receive mechanical power from a power source, four or more variable displacement pumps coupled to the one or more input interfaces...
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WO/2019/050096A1 |
The present invention relates to a ship azimuth thruster without wings exposed to the outside, the azimuth thruster comprising: a duct body of which an airfoil-shaped hollow cross section is formed to extend in a ring shape; and a water ...
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WO/2019/035589A1 |
The present invention relates to a driving device using a lawn trimmer, which is usable for a variety of uses. The driving device using a lawn trimmer comprises: a housing (A), which has a coupling hole (11) penetrating the front and rea...
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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/2019/012168A1 |
The invention relates to a system for propelling ships by means of tubes having respective helical mechanisms inside, of different gauges, which propel the water through said tubes in a turbulance-free manner and at great speed, and char...
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WO/2018/232460A1 |
A submerged pulsated propulsion system for watercraft comprising a passageway defined by an inlet at one end and an outlet at an opposite end, the inlet and outlet respectively adapted for the ingress and egress of a first fluid. One or ...
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WO/2018/199708A1 |
The present invention relates to a vertical shaft impeller blade propulsion apparatus for an electric propulsion vessel which uses an impeller blade having a vertical rotary shaft and can completely isolate a bearing used in the rotary s...
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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/2018/188486A1 |
Provided are a propeller and propulsion system thereof; a propeller (100) comprises a cylindrical body (101) forming a fluid channel (105), and a propulsion shaft (102) rotatably arranged inside said fluid channel (105). The propulsion s...
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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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