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WO/2018/132523A1 |
A paddle for use in propelling a watercraft. The paddle may have a blade that is configured for rotary movement and/or to function as an auto-gyro. The blade may have first and second blade members configured as hydrofoils that rotate ab...
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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/2018/111059A1 |
The invention relates to the field of transport by air and water and to power engineering, in particular to designs of bladed propellers. A rotating-blade propeller comprises a plurality of blades which are independently connected to spi...
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WO/2018/104420A1 |
This invention relates to a device and method), of reducing the azimuthal torque acting on a pulling pod unit or azimuth thruster (1) having a rotary pod housing (4) with a substantially vertical slewing axis (3A), a pulling propeller (7...
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WO/2018/094778A1 |
An oar propeller, comprising: an oar blade (1), an oar shaft (2), a position adjustment assembly (3) and a rotation shaft (4); the oar blade (1) is provided with a through-hole along a length direction of the oar blade (1), the oar shaft...
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WO/2018/086663A1 |
A folding propeller (1) with an adjustable rake angle has a hub (10) and at least three propeller blades (11) which are pivotally mounted in the hub (10) about pivot axes (25a) extending radially outwards from a central area in the hub (...
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WO/2018/080699A1 |
A propeller blade (18) spanning radially from a root (32) to a tip (34) and spanning axially from a leading edge (36) to a trailing edge (38) spaced from the leading edge forming an airfoil (39) therebetween where a sweep line (62) can b...
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WO/2018/075214A1 |
An apparatus and system for a marine propeller assembly are provided. A forward retention member that may be used with the marine propeller assembly includes a planar base, a drive shaft engagement end opposite the planar base, and a con...
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WO/2018/075215A1 |
A marine propeller composite blade an axially extending composite blade root including a dovetail wound in a partial spiral or helix around a centerline. Dovetail tapering down in width between clockwise and counter-clockwise dovetail si...
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WO/2018/073493A1 |
According to an example aspect of the present invention, there is provided a marine propulsion system (1) comprising a first portion (4) and a second portion (5) of a set of movable foils, a movement mechanism (2) coupled to the first po...
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WO/2018/075166A1 |
An apparatus and system for a propeller assembly are provided. In one aspect, marine propeller assembly includes a plurality of circumferentially-spaced blades that each include a dovetail having a radially inner surface. The marine prop...
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WO/2018/075164A1 |
A blade member includes a leading edge, a trailing edge, and a blade body extending therebetween. The blade member also includes a dovetail, a transition region, and a transition relief. The dovetail includes a dovetail chord line extend...
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WO/2018/075216A1 |
An apparatus and system for a marine propeller assembly are provided. An aft retention member that may be used with the marine propeller assembly includes a base, an opposing nose and a conic body extending therebetween along a centerlin...
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WO/2018/075167A1 |
A propeller assembly is provided. The propeller assembly includes a central hub including a forward end, an aft end, and a hub body extending therebetween along an axis of rotation of the central hub. The propeller assembly further inclu...
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WO/2018/075163A1 |
A propeller assembly that includes a hub having an outer radial surface and a plurality of wedge retaining members removably coupled to the hub. The plurality of wedge retaining members are spaced circumferentially about the outer radial...
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WO/2018/067024A1 |
The utility model relates to boat building and can be used in the production of small floating craft, and also of vessels, equipped with propulsion units. An impulse propeller of a floating craft comprises a drive shaft which is arranged...
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WO/2018/065032A1 |
The present invention relates to a novel propeller for a marine vessel and a method of installing the hub cap to the hub. More specifically, the present invention relates to hub caps for use in connection with both fixed pitch and contro...
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WO/2018/059198A1 |
Disclosed is a marine propeller with detachable blades (1), the marine propeller comprising a propeller hub (2) and the blades (1). Cambered mounting plates (3) are connected to the bottom ends of the blades (1). A plurality of mounting ...
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WO/2018/029480A1 |
The invention relates to a drive system, and method of forming the same, for a craft in water, said drive system comprising a drive means, one or more shafts which are provided in connection with the drive means via one or more gear asse...
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WO/2018/026334A1 |
This invention relates to a water jet (A) which is used to have fun afloat or underwater such as in the sea, lake or pool but also used for fast intervention to negative events like accidents, injuries or drownings which can happen afloa...
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WO/2018/016932A1 |
The invention relates to designs of vane propulsors, or cycloidal propellers, operating in water and air environments. A mechanism for altering the blade pitch of a cycloidal propeller comprises a slide bar, which is able to slide along ...
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WO/2018/006613A1 |
Disclosed is a bionic robot fish, comprising a fish head (1), a fish body (3), a floating and diving mechanism (6) and a control system (7). The fish head (1) comprises an upper jaw (11), a lower jaw (12), an opening and closing mechanis...
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WO/2018/002383A1 |
A water vessel (101, 201) comprises a hydrofoil (111, 112, 211, 212) and an actuator system (150, 160) for driving the hydrofoil (111, 112, 211, 212). The actuator system (150, 160) and the hydrofoil (111, 112, 211, 212) are configured s...
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WO/2018/001685A1 |
There is provided mechanisms for for controlling movement of a propeller shaft on a vessel. A controller comprises processing circuitry. The processing circuitry is configured to cause the controller to detect movement of the propeller s...
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WO/2018/004389A1 |
The utility model relates to transport, and particularly to amphibious wheeled propulsors for use in water transport and in air-cushion vehicles. A wheel propulsor comprises a cylindrical rim, and blades in the form of radially-directed ...
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WO/2018/004493A1 |
This invention relates to high efficiency double pitch angle propellers, and is such that it has a propeller hub (2, 7); and two or more propeller blades (1, 6) with aerofoil-shaped cross-section (1a, 6a) fixed around the periphery of th...
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WO/2017/206612A1 |
A robot bionic mechanism, comprising a bionic flipper (10), a connecting rod (20), a fixed plate (30), a driver (40), and a top column (43). As a driving end, the driver (40) and the top column (43) are mounted on one side of the fixed p...
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WO/2017/205680A1 |
A propeller having a means for creating fluid flow in a non-axial direction and redirecting it in an axial direction.
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WO/2017/204751A1 |
The pedal drive mechanism for floating devices, which comprises pedals (12) mounted on pedal levers (7), which are rotatably mounted on one axle (6) and which actuate a rocking vane drive. The rocking vane drive comprises a rocker frame ...
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WO/2017/199724A1 |
A propeller 16 includes: a hub 42; a plurality of blades 44 radially extending from the hub 42; and a guard 46 connected to the respective outer ends 58 of the plurality of blades 44. The guard 46 includes: a first member 60 consisting o...
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WO/2017/198892A1 |
The propulsion unit (20) comprises a frame construction (21) having an upper portion (22) forming a support arm protruding from a hull (11) of the vessel (10) and a lower portion (23) forming a longitudinal compartment provided with a pr...
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WO/2017/200256A1 |
The present invention relates to an ultralight composite material propeller for an outboard motor, which is configured to comprise a hub and blade in a detachable manner so as to facilitate replacement when the propeller is damaged, and ...
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WO/2017/187746A1 |
Provided is a ship propeller comprising the following: a propeller blade including a blade flange; a hollow propeller boss provided with a blade-fixing hole; a disk that abuts the blade flange through the blade-fixing hole, that is faste...
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WO/2017/187597A1 |
An appendage 8 for reducing hub vortex is disposed, via a support body 7 extending from a hull 2, at the rear of a propeller (wing propeller) 4 which has no rudder disposed to the rearward thereof. The appendage 8 has a circular cross-se...
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WO/2017/178061A1 |
The present invention relates to a novel propeller for a marine vessel and a method of installing the hub cap to the hub. More specifically, the present invention relates to hub caps for use in connection with both fixed pitch and contro...
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WO/2017/179888A1 |
The purpose of the present invention is to provide a paddleboard which is provided with a fin operating using the principle of the lever and thus does not require a large force to gain momentum, thereby allowing even women and children t...
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WO/2017/167555A1 |
A propeller propulsion system (1) for a watercraft is described, said system comprising at least one electric motor (2) and a propeller (3) which can be driven by the electric motor (2). The propeller (3) is a surface piercing propeller....
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WO/2017/168359A1 |
In a rotating machine having a fluidic rotor, the rotor comprises at least one blade mounted on an arm rotating about a rotor shaft forming a main axis of the rotor, the rotor being held by a supporting structure in an orientation such t...
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WO/2017/168549A1 |
This ship propulsion device is equipped with an energy-saving appendage 5 which is located forward of a propeller 1 and which has a curved surface having a radius R smaller than the radius r of the propeller 1. The pitch of the blades 3 ...
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WO/2017/157641A1 |
The invention relates to a method for adapting the frequency of a propeller (10), in which the propeller (10) comprises at least one propeller blade (30) that has at least one blind hole (50), one first body being inserted into at least ...
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WO/2017/158203A1 |
Various aspects provide for a lifeboat ramp configured to convey lifeboats off a ship. The ship may have a large area propeller, which may be disposed below, or even aft of, the transom. A director (e.g., a rudder, nozzle, and the like) ...
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WO/2017/150299A1 |
The purpose of the present invention is to provide a horizontal axis rotor in which, rather than a fluid being pushed out by blades, a high-speed flow associated with a Coandă effect resulting from the rotation of the blades flows towar...
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WO/2017/140314A1 |
The present invention discloses a folding propeller (1) for a boat, e.g. for a sailboat or a multihull yacht, where said folding propeller (1) comprises a hub (2) for directly or indirectly fastening at a driveshaft connected to a motor,...
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WO/2017/125543A1 |
A device (100) has surfaces (21, 22, 23, 24) and an anti-biofouling system (10) comprising at least one light source (11, 12) for performing an anti-biofouling action on at least a majority of the surfaces, the at least one light source ...
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WO/2017/108838A1 |
A ship may comprise a propeller proximate to the hull. A compliant surface may be coupled to a decoupled portion of the hull. The compliant surface may move in response to imparted loads, which may reduce the transmission of undesired lo...
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WO/2017/108255A1 |
The invention relates to a propeller (1) having a propeller blade (2, 3), which has a shape (11) for forming an interlocking connection. A dovetail joint (11, 12), for example, is provided for forming the interlocking connection. A prope...
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WO/2017/099742A1 |
In one example in accordance with the present disclosure a system for preventing media misalignment during accumulation. The system includes a number of media clamps having multiple positions to prevent misalignment of an incoming media ...
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WO/2017/089643A1 |
According to an example embodiment, a method (300) for a marine vessel that employs a propulsion system including a propeller mounted to a rotatable shaft for converting rotative shaft power transferred from the shaft to the propeller in...
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WO/2017/082248A1 |
This ship propulsion device (100) is equipped with: a duct (1) which includes a stator (11); a propeller (2) which includes a rim (21) that has a rotor (23) disposed at a position facing the stator and blades (22) that are formed toward ...
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WO/2017/067968A1 |
The invention relates to an aerodynamic body (114) comprising a main part (122) that has an upper face (124) which is designed such that a fluid (128) flows (126) over the upper face in a flow boundary layer (130). The main part (122) ha...
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