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WO/2023/275480A1 |
The invention relates to an electromagnetic machine (1) extending along a longitudinal axis (L), comprising: - a frame; - a stator arranged so as to create a magnetic field, comprising at least two stator elements (31, 32, 33, 34, 35, 36...
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WO/2022/265968A1 |
A personal watercraft is disclosed including a flotation portion, a strut extending from the flotation portion, and a motor pod is disposed along the strut with an electric motor operably coupled to a driveshaft. A hydrojet unit is remov...
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WO/2022/261016A1 |
Watercraft and propulsion systems therefor are described herein. In one example, a watercraft includes a hull configured to float in water and a cockpit configured to carry at least one passenger. The watercraft further includes a fishta...
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WO/2022/261140A1 |
Certain exemplary embodiments can provide a system, which comprises a first pontoon, a second pontoon, an undercarriage, a first rail, first set of track pads, a sprocket, and a first roller set. The first pontoon comprises a first solid...
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WO/2022/250770A1 |
An apparatus and method for an unmanned underwater vehicle that utilizes at least one flexible robotic fin to provide a highly maneuverable vessel with station-keeping performance in tight spaces, close to ocean structures or missions wh...
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WO/2022/241751A1 |
Embodiments of the present invention provide a driving device for an aircraft and the aircraft. The driving device comprises a first energy storage motor device, a second energy storage motor device, a third energy storage motor device, ...
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WO/2022/233407A1 |
What are described are a propeller for driving of watercraft, having propeller blades (2, 6, 9, 15) and a metallic hub (1, 7, 8, 14, 31) for bonding to a ship's shaft, and a method for production thereof. The propeller blades are manufac...
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WO/2022/231561A1 |
Claimed is a ship with a controllable propeller, comprising a screw propeller (1) mounted on an outboard pivot arm (12) that is connected via the body of a pivot member (17) to a stock (2) of a rudder arrangement, as well as a constant v...
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WO/2022/225846A1 |
An oar, particularly useful in conjunction with a paddleboard. The oar including a paddle disposed at a distal end of a paddle shaft; a crossbar disposed at the proximal end of the paddle shaft; a first grip disposed at a first lateral e...
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WO/2022/194148A1 |
A bionic fish propelling device and a control method therefor. The propelling device comprises a bottom plate (1), wherein the bottom plate (1) is provided with a flow guide plate (16) and a support column (26); the top of the support co...
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WO/2022/188988A1 |
Invention relates to a thruster assembly (10) for a marine vessel (1) comprising a body (12) comprising a duct (20) having a longitudinal axis (L), and a first end (20.1) and a second end (20.2), a support structure (14) for a propeller ...
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WO/2022/192272A1 |
A propeller. The blades of the propeller are characterized by a blade center axis which corresponds to a generator line of a cone to which the blade, or blade thrust surface, conforms. The propeller hub is fixed to the blade at the root,...
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WO/2022/180008A1 |
In order to make available an improved arrangement (10) for reducing the drive power requirement of a twin-screw ship, which arrangement (10) has a first propeller (20) and a second propeller (21) and a first guide device (30) and a seco...
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WO/2022/180580A1 |
A kayak comprising a foot-driven propulsion mechanism comprising first and second shafts with first and second pedals, first and second flappers, and a core body between the first and second shafts and first and second flappers, a body c...
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WO/2022/118256A9 |
The present disclosure relates to a vessel propelling mechanism. In one aspect, a vessel propelling system includes a motor and a waterjet system. The waterjet system is coupled to the motor and includes a stator with a plurality of blad...
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WO/2022/169489A1 |
A jet-powered sled has a body having a control cockpit with control apparatus for an operator to control the jet sled, a set of surface runners adapted to engage a surface upon which the sled is operated, the surface runners removably en...
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WO/2022/155864A1 |
A propulsion propeller for a ship, comprising an inner propeller hub (1), wherein an outer hub (2) is provided outside the inner propeller hub (1), several inner propeller blades (3) are provided between the inner propeller hub (1) and t...
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WO/2022/139592A1 |
The invention relates to an adjustable thrust generating foil system (10) for use on a vessel (1) in water (3). The foil system (10) comprises: - a horizontal foil (11), - a support structure (12) for connecting the foil system to the ve...
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WO/2022/129676A1 |
Marine propeller (10) for a propulsion system of a ship (20), which propeller com- prises a plurality of detachable blades (2), and which propeller is configured to be fixed to a propeller shaft (4) of a propulsion system of a ship, wher...
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WO/2022/123329A1 |
A method for noise-free conversion of energy flow movement into mechanical energy,which is implemented when locating the rotor in the energy flow, and conversion of mechanical energy into energy flow movement at reverse rotor rotation, w...
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WO/2022/118327A1 |
A system designed to capture energy from wind speeds and reliably operate across a wider range of wind speeds during storms and hurricanes and reliably survive many such storms and generate power. The system comprises apparatus, sensors ...
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WO/2022/119703A1 |
Various implementations include a rim-drive turbomachine including a hollow cylindrical shell, at least one motor rotor, at least one motor stator, and two or more sets of blades. The shell includes two or more shell portions axially sep...
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WO/2022/110942A1 |
An apparatus and method for converting reciprocating motion into continuous rotation and an application. The apparatus comprises a central shaft (1) and a rotating disc (3); the rotating disc (3) is connected to the central shaft (1) by ...
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WO/2022/092470A1 |
The present invention relates to an emergency rescue vehicle for mudflats, comprising: a body having a passenger space formed in the upper portion thereof; a traveling part coupled to the bottom of the body in parallel with a travel dire...
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WO/2022/063910A1 |
Propulsion unit for a naval platform, comprising: - a casing, - a rotor (24) that is mounted on the casing so as to be able to rotate about a primary rotation axis (X0), and that defines a housing, - a central pinion (30) defining a cent...
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WO/2022/060277A1 |
The present invention regards a watercraft vehicle (1) having a propeller shaft (9) coupled to a motor (3) and a propeller (7) forming a propeller disc (11) having a hub (17). A first blade (8) of the propeller (7) is hingedly coupled to...
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WO/2022/043368A1 |
The invention relates to a device for driving a primary shaft (200), characterised in that the device comprises: a system S1 comprising means for driving movement of a control member (100) along a looped trajectory λ having two axial co...
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WO/2022/032233A1 |
A robotic fish comprises one or more torque reaction engines and a fin, wherein the one or more torque reaction engines cyclically oscillate and is to cause one or more waves to propagate through the fin, wherein the one or more waves ac...
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WO/2022/014788A1 |
The present invention relates to a propulsive body using the law of action and reaction, more specifically to a propulsive body for which forward movement is made possible by the reaction generated by the repetitive back and forth slidin...
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WO/2022/006726A1 |
A flexible bionic squid for use luring a school of fish, comprising a bionic squid fin part (100), a bionic squid mantle part (200), a bionic squid head part (300), a bionic squid tentacle part (400), and a bionic squid electronic contro...
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WO/2021/258976A1 |
An imitation hairtail high-speed soft robot driven on the basis of a chemical exergonic reaction, the high-speed soft robot comprising a fish head module (1), a fish body module (2) and a fish tail module (3), wherein the fish head modul...
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WO/2021/249645A1 |
Apparatus, method and computer program for controlling propulsion of marine vessel. The propulsion is implemented by a foil wheel propulsion system. The method includes: receiving (602) a wheel operation status from a wheel drive;receivi...
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WO/2021/251846A1 |
The invention relates to the field of boat building, and more particularly to vessels having propulsive elements in the form of a propeller comprising a safety means. Said safety means, in the part disposed in front of and behind the pro...
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WO/2021/113055A9 |
An intentional fluid manipulation apparatus (IFMA) assembly that includes an upstream intentional momentum shedding apparatus (IMSA) configured to impart a first induced velocity to a local free stream flow during a nominal operation req...
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WO/2021/249644A1 |
A method of controlling a propulsion system (102) of a marine vehicle (100) by a controller (112), which forms data on a pitch angle (γ(θ)) of at least one foil (108, 108') based on an angularly variable wake field (W(θ)) affecting th...
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WO/2021/239963A1 |
In order to provide an arrangement (20) having at least one rudder (21) and having at least one receiving space (22), formed in front of the rudder (21) in a direction of travel (F) of the watercraft (100), for a propeller (30), which ar...
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WO/2021/234486A1 |
The present invention relates to a muscle-propulsion system (1) for boats comprising a frame (11), a muscle-actuation device (21) coupled to the frame (11) and able to be actuated by the legs of a user for the movement in the water of th...
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WO/2021/235790A1 |
The present invention relates to a variable-pitch propeller capable of changing a blade pitch according to the sailing conditions of a ship and, specifically, to a variable-pitch propeller having an optimal hub-to-tip diameter ratio, the...
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WO/2021/228787A1 |
Disclosed is a propulsion unit for propelling a vessel. The propulsion unit comprises a main body configured to be arranged at a keel of the vessel and comprising a pivot point, a fin being movably arranged in relation to the main body, ...
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WO/2021/225449A1 |
Ducted propeller (10) for a vessel, said ducted propeller (10) comprises a propeller nozzle (24) with an internal, rotating propeller (12) for propulsion of the vessel, characterised in that the ducted propeller (10) comprises a horizont...
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WO/2021/221686A1 |
Manually propelled water skis support a person skiing on water. The water ski includes a base having a binding on an upper surface and propulsion structures on the bottom surface. The propulsion structures include a rearward facing and v...
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WO/2021/219934A1 |
There is provided a marine propeller (1) for propelling a vessel, the propeller comprising a propeller hub (2) having a first axis of rotation and configured to be coupled to a rotating shaft, a plurality of first propeller blades (3) ex...
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WO/2021/216241A2 |
The propulsion unit including a casing having an inner curved surface and an outer curved surface, at least one tire disposed within the casing within a duct defined by the inner curved surface and the outer curved surface, a first prope...
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WO/2021/181754A1 |
The present invention provides a mobile body that is to float in a liquid or a gas. The present invention also performs posture control of the mobile body and performs group control of a plurality of the mobile bodies. The present invent...
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WO/2021/177909A1 |
The present invention relates to propeller systems that may be used to move fluid/gas masses in a certain direction and to levitate air vehicles by way of employing the vector force occurring meanwhile and to move in every direction, to ...
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WO/2021/172373A1 |
The present invention prevents an inflow of liquid into a drive unit more easily. A power transmitting mechanism 1 that operates in seawater 2 includes: a drive unit 10 that generates power; a container 20 that stores the drive unit 10 a...
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WO/2021/159200A1 |
A pool wave generator is disclosed having a pool area and a plurality of chambers for generating a wave in the pool area. The plurality of chambers may be separated from an edge of the pool to create a gap there between. Positioned below...
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WO/2021/131196A1 |
This motor integrated type fluid machine for taking in a fluid from an inlet port and blowing out the taken-in fluid from a blowout port, is provided with: a shaft part that is provided at the center of a rotary axis; a rotation part tha...
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WO/2021/099654A1 |
The invention is formed by a surfboard (1) comprising a mechanism that converts reciprocating motion into flapping motion, based on a paddle-shaped operating handle (4) inserted vertically upside down into a hollow lever arm (5) that ext...
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WO/2021/090044A1 |
Invention relates to the paddle-wheel propelling mechanisms, especially to the steerable and retractable paddle-wheel mechanisms for propelling boats. The paddle-wheel propulsion and steering mechanism comprises a frame structure for sec...
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