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WO/2017/157673A1 |
The invention relates to a jet propulsion system particularly for a watercraft, comprising at least one propulsion unit that has - a rotor the inner circumference of which has rotor blades secured thereto, and - a housing in which said r...
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WO/2017/149589A1 |
[Problem] To provide a ship propulsion method that makes it possible to smoothly transition from motor propulsion to hybrid propulsion. [Solution] A ship propulsion device 1 that has: a propeller 9; a main engine 2 that is controlled by ...
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WO/2017/148756A1 |
The invention relates to a water turbine (11) for a hydroelectric power plant (1), and to a hydroelectric power plant (1) of this type. It is proposed that the water turbine has a flow duct (12) with a flow inlet (13) and a flow inlet (1...
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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/2017/122358A1 |
Provided is a stern tube sealing system which prevents leakage of lubricating oil from a stern tube covering a propeller shaft, and comprises: a cylindrical housing into which the propeller shaft is inserted; a first seal ring which is h...
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WO/2017/115714A1 |
The present invention suppresses pitching, in which the bow and the stern of a hull alternately tip up and down, caused by waves during sailing of a vessel. Screws (40a, 40b), which are provided on the bow side, which are capable of rota...
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WO/2017/110928A1 |
The present invention addresses the problem of providing a ship propulsion device that makes it possible to prevent a propeller from idling without limitation to the type of clutch. There is provided: a forward and rearward switching clu...
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WO/2017/102028A1 |
The invention comprises a method for controlling dynamic positioning of a vessel (1) or ship. The vessel comprises an electrical power grid, at least one combustion engine driven power generator (G1, G2), and an energy storage medium. Th...
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WO/2017/097334A1 |
The invention concerns a method, engine parameter controlling arrangement and computer program product for controlling an engine parameter of a group of engines(33) in a vessel, each engine being equipped with a shaft used for powering a...
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WO/2017/095280A1 |
The invention provides a propeller drive assembly (5) for transferring a torque between an engine and at least one propeller of a water surface vessel, - the propeller drive assembly comprising a plurality of lubrication clients, - chara...
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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/2017/039742A9 |
A thruster assembly that in addition to propulsion provides water flow to/from compartments and systems on board a vessel. In a first position, the thruster assembly provides propulsion/steering. Pivoted to a second position, operation o...
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WO/2017/069197A1 |
The present invention provides a marine deceleration device that can decrease the installation space for an electrical rotating machine. A marine deceleration device (2) is provided with: an input shaft (40) that is connected to an outpu...
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WO/2017/070413A1 |
A marine propulsion assembly (500) includes a propeller (502) having a threaded hub (505) whose threads are used for engaging with a drive shaft (501). The drive shaft includes both a first set of threads (507) and second set of threads ...
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WO/2017/057008A1 |
The purpose of the present invention is to provide a marine reduction and reverse device that, while having a simple configuration, can reliably prevent the occurrence of problems such as seizing, in a case where a propeller has become l...
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WO/2017/056186A1 |
This ship propulsion device (1) propels a ship (2) by rotating a propeller (20). If the rotational speed of the propeller (20) is less than a predetermined rotational speed, a low-output auxiliary electric motor (M2) is controlled and ro...
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WO/2017/028501A1 |
A propeller connection structure and an unmanned aerial vehicle. The connection structure comprises a motor rotor shell (1) and a propeller (2). The motor rotor shell (1) is provided with a connection part (11) for connecting the propell...
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WO/2016/207475A1 |
An electric ship propulsion drive arrangement according to the invention comprises an electric motor (1) and a propeller (6) that is connected to the electric motor, and a frequency converter (2) that is arranged to supply power to the e...
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WO/2016/190784A1 |
The present device relates to boatbuilding, and more particularly to screw propellers with safety couplings, intended for use in outboard motors and/or marine screw propellers. A screw propeller with a safety coupling comprises a screw p...
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WO/2016/180750A1 |
The invention relates to a marine vessel propulsion device. It has an electric motor (3,), propeller means (5,) driven by the electric motor and gear means (4,) drivingly connecting the electric motor (3,) to the propeller means (5,). Ac...
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WO/2016/166331A1 |
The present invention relates to a propulsion system (1) for a boat, comprising: an engine (100); a connecting arm (200); a fairing portion (208) intended for being mounted on the boat; at least one propeller (302); and a belt (2) for tr...
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WO/2016/162595A1 |
A rotor for a permanent magnet machine comprises first and second axially successive rotor sections (102, 103) each comprising permanent magnets generating magnetic field having a pole pitch (pp). The rotor comprises a first coupling sys...
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WO/2016/157398A1 |
Provided is a saildrive apparatus capable of having maintenance work easily performed thereon even at sea. The saildrive apparatus is provided with: an upper unit connected with an engine and positioned within a ship; and a lower unit ex...
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WO/2016/151188A1 |
A vessel and a method in a vessel with a hull and a propulsion unit. The propulsion unit comprises a hollow strut rotatably attached to the hull of 5 the vessel, a propeller shaft (41) having an axial centre line (X-X) and being position...
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WO/2016/146249A1 |
An engine room arrangement (10) for a marine vessel (100) comprises a fin (12) formed at a rear portion of a hull (14) of the vessel (100). The fin (12) projects downward from the hull (14) and protects a propeller (24) of the vessel (10...
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WO/2016/135686A1 |
Transmission (10) for boats of the type comprising a shaft (12) substantially arranged half inside and half outside the hull (13) and having a non-zero projection angle (21), the outer end of said shaft (12) being provided with a propuls...
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WO/2016/134429A1 |
The present invention relates to two configurations of a structure for a compact, pedal-propelled boat, a reclined configuration and a conventional configuration, and to two possible propulsion systems, a rigid propulsion system (9) and ...
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WO/2016/132610A1 |
Provided is a ship propulsion system such that an increase in the size of a main engine can be minimized. The ship propulsion system (1) is equipped with: main generators (10A, 10B, 10C) that supplies power to the interior of a ship; a p...
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WO/2016/133266A1 |
A marine propulsion device according to the present invention comprises: an engine positioned inside a hull; a flywheel plate fixedly coupled to the engine so as to transfer the rotating force of the engine; a spline flange fitted and co...
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WO/2016/113263A1 |
The invention relates to a swimming and diving aid comprising a motor and a motor shaft for the transmission of a drive power from the motor to a propeller of the watercraft. According to the invention, the motor shaft is formed from a c...
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WO/2016/113262A1 |
The invention relates to an underwater drive unit for a swimming and diving aid, wherein at least a propeller, an electric motor having a motor housing, and a control unit are associated with the underwater drive unit, wherein at least p...
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WO/2016/113046A1 |
It is described an arrangement (1) for power distribution on a vessel, comprising: a first DC bus (7) operating at a first medium voltage; at least one second DC bus (9) operating at a second medium voltage and having no direct connectio...
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WO/2016/114244A1 |
The purpose of the present invention is to provide a bearing material having excellent abrasion resistance and sliding characteristics in a water-lubricated bearing. The water-lubricated bearing material according to the present inventio...
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WO/2016/113237A1 |
The invention relates to a swimming and diving aid with a vehicle hull on which a user lies or stands, with a flow channel which is arranged in the vehicle hull and which accommodates a propeller driven by an electric motor with radially...
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WO/2016/105569A1 |
A water bike has a frame supported on first and second spaced apart pontoons or similar floatation elements. Pedals are attached to cranks on a front sprocket rotatably supported on the frame. A chain or belt extends around the front spr...
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WO/2016/096187A1 |
The present disclosure relates to a power system (1) comprising a main bus (3) comprising a first bus section (3a) and a second bus section (3b), wherein the first bus section (3a) is connectable to the second bus section (3b), a first p...
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WO/2016/092206A1 |
The invention relates to an energy-generating and/or propulsion device (1) comprising: a rotary propeller; an annular support (10); and blades (20) comprising a first end forming a base and a second end forming a vertex, the blades being...
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WO/2016/075631A1 |
The present invention relates to an underwater propelling device (10) comprising: - a stator (20) comprising circumferential arrayed coils (35) and being adapted to generate a controlled electromagnetic field along an axial direction, - ...
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WO/2016/071565A1 |
The sealing arrangement comprises a propeller shaft (31) rotatably supported with at least one bearing (41), a water seal (100) positioned on the propeller shaft, a first oil seal (200) positioned on the propeller shaft adjacent to the b...
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WO/2016/066396A1 |
An electric power generation system and a method in an electric power generation system. The system comprising one or more generators for producing electrical energy, each generator being arranged to be driven with a corresponding prime ...
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WO/2016/062565A1 |
A power system of a floating vessel, such as a dynamically positioned offshore vessel is provided. The power system includes at least two segregated power system sections (31, 32), each comprising at least one electrical power source (50...
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WO/2016/055039A2 |
The invention relates to a drive system for a ship, comprising a first and a second internal combustion engine (1a, 1b), the first internal combustion engine (1a) driving a first propeller (4a) formed on a first propeller shaft (3a) by m...
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WO/2016/045809A1 |
The invention relates to an outboard device for a maritime structure. Said outboard device comprises a first component and a second component, the first component being movable relative to the second one. An anti-fouling thermoplastic ma...
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WO/2016/042199A1 |
The invention concerns a method and system for driving a power engine unit either in a speed control mode or in a load control mode, and changing the control mode. Control mode data of the power engine units is sent and control mode data...
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WO/2016/030159A1 |
The invention relates to a sealing system (1) for sealing a shaft (2) that is located under water, in particular a propeller shaft of a ship. Said system comprises two sealing systems, the sealing system that is farther away from the pro...
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WO/2016/028250A1 |
The invention relates to boat building. A propulsion plant for water-borne craft comprises a propeller shaft, a propeller and an internal combustion engine with a primary shaft. The propeller is mounted on the propeller shaft. The propel...
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WO/2016/015724A1 |
The invention relates to a shaft assembly (5), comprising a shaft (9), a rolling-element bearing device (10a, 10b), a surrounding construction (8), wherein the shaft is rotatably supported in the surrounding construction by means of the ...
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WO/2016/004836A1 |
The present invention discloses a constant-speed variable-pitch Voith-Schneider omni-directional propeller, comprising a main machine, a machine base, a main shaft, a rotating disk, a steering engine, a steering shaft, a central gear, an...
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WO/2016/004532A1 |
An electric actuator comprises a housing and an output shaft reciprocatingly received by the housing. There is a screw assembly disposed within the housing and coupled to the output shaft. The screw assembly includes a plurality of annul...
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WO/2016/000714A1 |
A marine vessel (1) driven by an engine (10, 50) with a very large first propeller (11) and a less large coaxial contra rotating second propeller (12). The marine vessel (1) comprises a hull (2) with a baseline (20) extending between the...
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