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WO/2024/068140A1 |
A marine controllable-pitch propeller (1) to be mounted on a drive shaft (d), the marine controllable-pitch propeller (1) comprising a propeller blade (10) comprising an offset pitch interface (11), a pitch adjusting member (20) that is ...
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WO/2024/068011A1 |
A propeller system (3) for a boat (1), comprising a shaft assembly (30), coaxial with a propeller axis (X30); a primary propeller (40), comprising primary blades (41) carried by the shaft assembly (30), each primary blade (41) being rota...
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WO/2024/052867A1 |
A propeller comprising a main body (1 ) which is suitable to be fixed to a propeller shaft (2) of a vessel to rotate about a longitudinal axis (A) and which supports a plurality of blades (3) which protrude from the main body (1 ), where...
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WO/2023/217561A1 |
The invention relates to a variable pitch propeller assembly (1) comprising a driveshaft (2) extending in a longitudinal direction (3), and a variable pitch propeller (4) with a hub (5) that is mechanically connected to the driveshaft (2...
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WO/2023/180889A1 |
Propeller (1) with folding blades for the propulsion of a mobile vehicle (2) inside a fluid, the propeller (2) comprising a movement mechanism (3) rotatable around a central rotation axis (4) of the propeller (1); and a plurality of blad...
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WO/2023/099117A1 |
The invention relates to a device comprising an asymmetrical wing profile (2) and an adjusting device (15), which asymmetrical wing profile (2) has a profile thickness (q) and a profile chord (p) extending between a wing leading edge (n)...
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WO/2023/275040A1 |
A self-adjusting variable pitch propeller (1) for marine use, comprising a central hub (2) with an axial propeller centre line (C) defining the rotational axis of the propeller and a plurality of blades (50, 50') extending radially from ...
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WO/2022/249417A1 |
[Problem] To provide a variable pitch propeller/turbine which includes blades each with an airfoil having a camber, and which can apply, whether the propeller is activated or the turbine is activated, a relative water flow to each lower-...
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WO/2022/112972A1 |
A propeller shaft (1) is rotatable about a longitudinal axis (1A) and a hub (2) is mounted on the propeller shaft with propeller blades(4) projecting radially from the hub. Each propeller blade has a blade base (7) which includes a drum ...
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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/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/2021/222799A1 |
A modular VTOL drone aircraft can include a primary processor, a plurality of propellers, one or more line replacement modules ("LRMs") and one or more line replacement units ("LRUs"). LRMs can include a fuselage, a center wing, two boom...
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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/2021/151129A1 |
The invention relates to a device for adjusting the inclination of rotor blades (9) of a rotor, in particular rotors, propellers or turbines of land craft, aircraft or watercraft and also of stationary turbine or fan assemblies, comprisi...
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WO/2021/099335A1 |
A controllable pitch propeller for a vessel comprises a propeller hub, connectable to a drive shaft for rotating the hub about a longitudinal axis. A travelling member is arranged at least partially within the propeller hub to be moved i...
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WO/2021/001418A1 |
The disclosure concerns a method and a system (10) for controlling a propulsive power output applied to a propeller shaft (6) of a ship. If a current value of a propulsive power of a propulsive power source (4) equals or falls below a lo...
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WO/2020/240119A1 |
The present invention relates to a device comprising a variable pitch propeller (11) and means adapted to modify the pitch of the propeller by Venturi effect.
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WO/2020/235688A1 |
The present invention addresses the problem of providing: a ship main engine monitoring method capable of monitoring a main engine state with an accuracy comparable to actual measurements, without requiring much actual measurement equipm...
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WO/2020/224773A1 |
Invention relates to a controllable pitch propeller (10) which comprises a force transmission system (31) configured to rotate propeller blades (22) in respect to the hub (12) by movement of a yoke (32) in the longitudinal direction, whe...
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WO/2020/172689A1 |
A mechanism is provided to modulate a pitch of blades of a fan, turbine or propeller driven by a rotating shaft bearing a helical thread onto which a nut ("axial modulator") made of a ferromagnetic material is threadedly mated; this nut ...
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WO/2020/119945A1 |
A propulsion system (10) for a marine vessel (100) is provided. The propulsion system (10) is easy to service, as respective components of the same, i.e. an electric motor (26), a thrust bearing (30) and a fluid distribution unit (40), a...
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WO/2020/081111A1 |
A coupling mechanism controls the location of the central primary draft load transmitting fixed-length link independently of the coupler. The coupling mechanism allows for translation in at least three orthogonal directions and for rotat...
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WO/2019/086086A1 |
The invention relates to a method for propulsion control by means of an add on propulsion control system (1) (PCS) that is designed to cooperate with an already existing PCS/RCS solution (5) with the purpose of minimizing the fuel consum...
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WO/2019/040490A1 |
A vehicle is provided having at least one control motor that includes a drive motor having a stationary portion and a rotatable portion, where the drive motor rotatable portion is coupled to a rotor shaft, where the drive motor is config...
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WO/2019/011779A1 |
The present invention relates to a method for controlling the propulsion of a ship (10). The ship (10) comprises an engine (5) and a controllable pitch propeller (7), wherein torque and engine speed are adjusted to correspond to an outpu...
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WO/2019/012191A1 |
The present invention relates to a device for directly controlling a blade which comprises a stator (1), at least one blade support (7) composed of at least one curved magnet (6), the blade support (7) being secured to at least one blade...
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WO/2019/004807A1 |
The invention relates to designs of rotating-blade cycloidal propulsive elements. A dual-rotation rotor for a cycloidal propeller comprises a primary rotor which rotates about its own axis and is kinematically connected to a drive shaft....
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WO/2018/234328A1 |
Various aspects provide for a rotational actuator comprising a piston configured to move tangentially in a channel. The piston may be coupled to an axle via a lever to rotate the axle as the piston moves. Hydraulic fluid pumped into/out ...
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WO/2018/131821A1 |
The present invention provides an automatic angle-of-attack control wing that always maintains a reference angle of attack with optimum efficiency by automatically controlling the angle of attack of a wing according to changes in the dir...
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WO/2018/117355A1 |
The present invention relates to a method for reducing the overall pressure fluctuations by controlling the phase difference of pressure fluctuation time series of the two propellers of a twin-screw vessel, wherein with respect to contro...
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WO/2018/117356A1 |
The present invention, in order to resolve an issue of pressure fluctuations that arise due to both the left and right propellers of a twin-screw vessel, an issue that can be greater and more complex than for a conventional vessel, relat...
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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/2018/094575A1 |
The present invention relates to the field of vessel propeller devices and provides a variable-pitch propeller device comprising a propeller blade (1) and a connecting boss (5). A flow-guiding end base (15) is installed on an end portion...
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WO/2018/065800A1 |
A propeller (1) and a respective use method are described, comprising a cylindrical casing (3), a hub (2) couplable to an engine and rotatably mounted at least partially in the cylindrical casing of the propeller, and at least one blade ...
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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/2018/045253A1 |
The present invention relates to a rotor assembly where associated electric motors are configured to rotate the rotor, control the collective pitch of the rotor/assembly, and/or control the cyclic pitch of the rotor/assembly, by varying ...
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WO/2016/169991A9 |
The present invention relates to a method for controlling the fuel consumption of a ship, the ship comprising an engine and a controllable pitch propeller, wherein torque and engine speed are adjusted to correspond to an output set point...
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WO/2018/030722A1 |
A device and a method for controlling the pitch angle of a propeller are disclosed. According to one aspect of the present embodiment, one objective of the present invention is to provide the device and the method, which calculate the pi...
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WO/2018/008589A1 |
A port-side propeller 2a and a starboard-side propeller 2b are both configured from a variable pitch propeller, and control for turning right while stopped is implemented in which the port-side propeller 2a generates forward propulsion T...
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WO/2017/203253A1 |
The propeller has a hub (22, 23) rotatably carried on a drive shaft (2) with blades (3) projecting radially from the hub. Each of the blades includes a fixed-pitch portion which is fixed relative to the hub and a pitch-change flap (7) wh...
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WO/2017/200609A1 |
The present disclosure pertains to self-piloted, electric vertical takeoff and landing (VTOL) aircraft that are safe, low-noise, and cost-effective to operate for cargo-carrying and passenger-carrying applications over relatively long ra...
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WO/2017/201324A1 |
A variable pitch propeller apparatus enables a propeller to have different pitch angles in one revolution about the drive shaft The propellers are coupled: to a race that is flexible and actuated into different offset distances by a race...
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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/2017/178061A1 |
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/2017/141711A1 |
The purpose of the present invention is to reduce energy loss occurring during navigation of a ship and to efficiently control propulsion force. Provided is an electric propulsion device (10), wherein in a first control mode, a governor ...
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WO/2017/109149A1 |
The invention relates to a method for controlling a thruster of a marine vehicle (1) including a body (2) and a thruster (3) mounted on the body (2) of the vehicle (1). The vehicle (1) is at least partially submerged in a liquid, moves, ...
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WO/2017/109148A1 |
The invention relates to a method for controlling a thruster of a marine vehicle (1) that is at least partially submerged in a liquid and includes a body (2) and a thruster (3) that includes two propellers (AV, AR). Each propeller includ...
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WO/2017/084773A1 |
Method for operating a ship propulsion system (11), wherein the ship propulsion system (11) has a ship's engine (12), optionally a transmission (16), a propeller shaft (14) and an adjustable propeller (15), wherein the transmission (16) ...
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WO/2017/021844A1 |
Machine (1) for transmitting energy to, or receiving energy from, fluids in general, has a containing structure (2) that receives an impeller (3) onto which a plurality of blades (4) is rotatably mounted that are suitable for transmittin...
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WO/2016/176802A1 |
Disclosed is a collapsible storage fan, which pushes one end of a slide-limiting press plate to pass through a locking through-slot (52A) during normal usage of the fan by a locking mechanism (5), which comprises a downward pressing comp...
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