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Matches 1 - 50 out of 3,365

Document Document Title
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
WO/2020/013887A3
Disclosed are an improved nozzle for an unmanned underwater vehicle (UUV), and a method for operating the same. The nozzle includes a first rigid member operatively coupled to a UUV steering mechanism. The nozzle also has a second rigid ...  
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...  
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...  
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...  
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...  
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...  
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...  
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. ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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 ...  
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...  
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 ...  
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...  
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 ...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
WO/2018/162064A1
The tunnel thruster (10) of a marine vessel has a propeller (16) at the central part of the tunnel (12) and adjustable nozzles (28, 34) at both ends of the tunnel (12).  
WO/2018/147386A1
Provided is an underwater propulsion device for a waterborne vehicle with which a load on a motor is reduced. An underwater propulsion device 20 of a waterborne vehicle 1 having a waterborne floating portion 2 on which a user rides is pr...  
WO/2018/116848A1
This amphibious vehicle comprises a vehicle body (10), a prime mover (20), driving wheels (31), a water propulsion device (40), a driving-wheel transmission (50), and a propulsion transmission (45). The driving wheels (31) are disposed f...  
WO/2018/112517A1
A watercraft transmission assembly including a first drive member adapted to operatively couple to an engine, a second drive member operatively engaged with the first drive member, a third drive member operatively associated with the sec...  
WO/2018/083370A1
The propulsion unit comprises a support frame (20), a propeller (40) rotating around a shaft line (X-X), and a nozzle (60) surrounding the propeller and comprising an upstream end (61) and a downstream end (62). A support construction (5...  
WO/2018/083355A1
A propulsion device, including a platform (126) arranged to seat a passenger; a thrust assembly coupled to the platform, the thrust assembly including at least two nozzles (128) configured to discharge a pressurized fluid therefrom that ...  
WO/2018/084104A1
The present invention relates to a drone, which is an unmanned mobile unit that moves in air or water or both, and a cable-connected drone swarm provided with the plurality of drones. This cable-connected drone swarm is formed by couplin...  
WO/2018/083354A1
The invention relates to a propulsion device (30) comprising a platform (31) that is arranged so as to accommodate a passenger (U1, U2) and cooperates with a thrust unit comprising a main nozzle (32), advantageously oriented from the bow...  
WO/2018/026080A1
The present invention relates to a jet drive. The jet drive according to the present invention comprises: a duct having an introduction part for introducing water, and a discharge part which forms a concentric circle with the introductio...  
WO/2018/006081A1
A water pumping system for a personal mobility waterjet propelled flying apparatus has a water pressure source configured to produce a waterjet. A first hose has a first diameter and is connected downstream to the water pressure source. ...  
WO/2017/193068A3
A diverter configured to toggle between a drive mode and a fly mode and is attachable to a waterjet propelled vehicle and to a personal waterjet propelled apparatus. The diverter comprises an attachment orifice configured to connect to a...  
WO/2017/214008A1
Current waterjet technology uses hydraulic actuators that are linked to a hydraulic system aboard the vessel. Hydraulic actuators have a significant number of problems including, but not limited to, significant size and weight, poor effi...  
WO/2017/213309A1
The present invention relates to a propulsion and steering apparatus for a vessel. The apparatus includes: a main fluid channel formed at the stem bottom side of the vessel to extend from the bottom to the stern side; a propulsion propel...  

Matches 1 - 50 out of 3,365