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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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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/2021/085588A1 |
A propeller (1) is equipped with: a hub (11); a blade (12) formed so as to extend outward from the hub (11); a curved section (13) which includes a flexible member for connecting the hub (11) and the blade (12); and a cord (15) which is ...
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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/2021/081048A1 |
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/2021/064665A1 |
The object of the present invention is a swim fin with a longitudinally moulded blade designed particularly for swimming lessons, swimming in sport and rehabilitation as well as for diving by increasing the swimming speed and efficiency ...
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WO/2021/058388A1 |
A propeller (20) for a marine vessel (10), the propeller (20) comprising a plurality of propeller blades (24, 26). The propeller blades comprise a leading edge (30), a trailing edge (32) and an outer edge (34) located between the leading...
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WO/2021/047750A1 |
A marine vessel propeller (1) to convert engine rotational power into propulsive thrust when in use and wherein the propeller is of a built-up propeller (BUP) type arranged in a circular array of propeller blades (10), wherein the propel...
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WO/2021/038594A1 |
The present invention mainly relates to the field of marine propeller and its noise. In one embodiment, the propeller comprising: a hub having a central axis, one or more blades having blade length with a proximal end attached to the hub...
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WO/2021/033171A1 |
The present invention concerns a new rotor design comprising 1) at least one rectangular piece (6) having i) a length (L) between 2 and 8 times its width (W);ii) an opening (7) at its center; iii) a central or hub portion (8) surrounding...
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WO/2021/033668A1 |
Provided is a rice paddy weed-killing apparatus with which it is possible to further improve rice paddy weed-killing effectiveness. This rice paddy weed-killing apparatus (100) is propelled by an underwater screw propulsion mechanism (40...
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WO/2021/033669A1 |
Provided is a rice paddy weed-killing apparatus with which it is possible to further improve rice paddy weed-killing effectiveness. This rice paddy weed-killing apparatus (100) is propelled by an underwater screw propulsion mechanism (40...
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WO/2021/028635A1 |
The present description relates to the maritime sector. In particular, the invention relates to a device (100) for moving a watercraft, the device comprising: - at least one propulsion chamber (50) comprising a first inlet section for a ...
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WO/2021/018353A1 |
The present invention relates to a novel universal propeller (1) which is distinguished in comparison with generic propellers (1) by the fact that a gearwheel (52) is arranged on each rotor blade (30), which gearwheel (52) is directly op...
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WO/2021/013290A1 |
The invention concerns a propulsion device for a water vehicle which can be attached to the rudder of the water vehicle by means of a mounting device without damaging the rudder. The invention also relates to a water vehicle comprising s...
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WO/2021/012914A1 |
The present invention relates to the technical field of underwater navigation and detection devices, and provides a bionic flexible cable-driven manta ray based on underwater environment detection of a marine ranching, comprising a manta...
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WO/2021/010932A1 |
The group of inventions relates to watercraft and equipment for same. The claimed method comprises directly transferring thrust from a propeller (1) to a hull (4) of a watercraft via a stern bracket (2), on which the propeller (1) is mou...
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WO/2021/008310A1 |
A flapping wing aircraft, comprising: a fuselage (1) and at least one flapping wing (2), the flapping wing (2) at least comprising a wing rod (21) and a wing surface (22), and the flapping wing aircraft also comprising: at least one moti...
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WO/2021/004110A1 |
A water-air amphibious cross-medium bionic robotic flying fish, comprising a body, pitching pectoral fins (4), structure variable pectoral fins (5), a tail propulsion module, a detection sensor and a controller. The present invention con...
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WO/2021/000628A1 |
Disclosed is a bionic robotic manta ray, comprising a head cabin, a central cabin, a pair of pectoral fins, and a caudal fin cabin, wherein each of the pectoral fins comprises a crank and rocker mechanism and a bevel gear mechanism, and ...
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WO/2020/263104A1 |
Drive shaft monitoring system (20) comprising a first and second coded disc (21a-b), wherein the first (21a) and second (21b) coded disc are provided with multiple slots or recesses (22) evenly distributed in circumferential direction th...
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WO/2020/239277A1 |
The invention relates to a method for providing electric energy, having the steps of: - providing mechanical energy by means of a crankshaft (14) of a two-stroke diesel engine (12), - converting the mechanical energy into electric energy...
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WO/2020/243573A1 |
A highly maneuverable craft is disclosed, having undulating fins of a light-weight material that may undulate along the horizontal axis of the craft and/or rotate 360 degrees and continuously about the central longitudinal axis of the cr...
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WO/2020/237321A1 |
The present invention relates to methods and a vehicle for enhancing the mechanical dewatering of a slurry. In one aspect, the invention concerns a method for enhanced dewatering of a settling pond with a mechanical dewatering vehicle in...
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WO/2020/240598A1 |
An inflatable device (1) with propulsion is described, composed of at least one air chamber (3) designed to allow a user to abut a portion or his whole body on the device (1), and further comprises: an electric control system (5) arrange...
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WO/2020/233247A1 |
A ship probulsion device, comprising blades (1), a blade driving device, a runner (6), a runner drive device, a direction shaft, and a direction control device. The runner (6) is equipped with one or more blades (1) capable of autorotati...
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WO/2020/227874A1 |
A drift boat steering system, comprising a rudder and a control station, the rudder being a capsule-shaped structure made of an elastic material, the rudder being fixed on the boat, and the volume of the rudder being adjusted by means of...
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WO/2020/231244A1 |
The invention relates to oscillating propulsors. A parallelogrammatic oscillating foil mechanism comprises a foil, a drive shaft with a crank attached thereto for translational movement of the foil, said shaft having a kinematic link to ...
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WO/2020/199802A1 |
Disclosed are a jellyfish-type underwater detector and a detection method therefor. The underwater detector comprises a detection robot and a remote terminal. The detection robot comprises a housing (1), a bionic muscle, an elevator (9),...
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WO/2020/197479A1 |
The invention relates to a swim arrangement (A) for facilitating amphibious operation of a tracked vehicle (V1). Said tracked vehicle comprises a vehicle body (10) and a two track assemblies (T1, T2) suspendedly connected to the vehicle ...
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WO/2020/178431A1 |
The present invention relates to a method for protecting surfaces of components against cavitation erosion and components provided with such cavitation protection surfaces, wherein in the surface a plurality of microcavities is provided ...
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WO/2020/178850A1 |
The present invention relates to an underwater device capable of propelling and self-charging at the air and surface of water. Present invention more also capable of propelling inside water and surface of water. The pair of wings are pro...
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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/2020/162766A1 |
The present invention relates to improving the efficiency of a helical fan/pump/propeller/turbine such as is described in PCT/NZ2018/050010. Further to the discovery that specific longitudinal limits are critical to define the first open...
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WO/2020/152502A1 |
The present invention relates to a propulsion module (1) for generating wave-like motion in liquid. The propulsion module (1) comprises: a motor (7) for generating rotational motion; a set of conversion devices comprising a first convers...
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WO/2020/145115A1 |
According to the present invention, a palm 3 is provided with a tapered hole 34 of which the inside diameter decreases toward the radially inward side, and a through-hole 35 that extends radially inward from the bottom surface of the tap...
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WO/2020/138006A1 |
A ship propeller 1 is provided with a boss 2 having a groove part 21 formed in an outer peripheral surface, and a blade 3 having a base part 31 formed on one end side, wherein the ship propeller 1 is constructed by inserting the base par...
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WO/2020/126933A1 |
The invention relates to a cycloidal dynamic propulsion or positioning system (100) for a ship sitting in water exhibiting a direction of flow and comprising a chassis, a rotor (102) mounted with the ability to rotate on the chassis abou...
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WO/2020/118385A1 |
An underwater parachute propulsion system consists of an unmanned vessel (3), pulley (6), rope (13), parachutes (1), ropes (5), winch (4), crane (17) and ship (2). The idea is to enable a ship which will for generation of propulsion forc...
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WO/2020/120824A1 |
A cycloidal marine propulsion unit (1), comprising a hollow rotary casing (2) having a central axis (2a) and defining a central inner space (2b) with an opening (2c) at an axial end thereof. A mounting body (3) rotatably supports the rot...
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WO/2020/120826A1 |
The disclosure relates to a drive arrangement (1 ) for a cycloidal marine propulsion unit (2). The drive arrangement (1 ) comprises at least two electrical blade motors (3a) each associated to a respective blade (3) for pivoting thereof,...
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WO/2020/104781A1 |
A foil, such as an aerofoil, having a leading edge and a trailing edge, of which at least a portion of one or both of the leading edge and trailing edge has a serrated profile comprising a plurality of adjoining teeth, each tooth having ...
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WO/2020/101554A1 |
Fluke drive system, comprising a flexible fluke (600) and a fluke driving mechanism comprising a displacement means (601) arranged to be driven to move reciprocally upwards and downwards, which fluke (600) is connected to the displacemen...
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WO/2020/101553A1 |
Fluke drive system for a vessel (100), comprising a pivot element (114) having a forward end and an aft end, which pivot element (114) is pivotally connected at the forward end to a hull (101) of the vessel (100) and which pivot element ...
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WO/2020/101552A1 |
Fluke drive system for a vessel (200), comprising a pivot element (228) having a forward end and an aft end, which pivot element (228) is pivotally connected at the forward end to a hull (201) of the vessel (200) and which pivot element ...
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WO/2020/092643A1 |
Techniques are disclosed for systems and methods to provide graphical user interfaces for assisted and/or autonomous navigation for mobile structures. A navigation assist system includes a user interface for a mobile structure comprising...
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