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WO/2018/091754A1 |
The invention relates to a device in the form of a manoeuvring propeller actuated by a 12-volt or 24-volt electric motor, which is carried on the vessel as an accessory or temporary thruster and only used when needed, depending on determ...
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WO/2018/085933A1 |
A method of operating a thruster apparatus involves causing a first propeller to rotate in response to pressure of a first flow of pressurized hydraulic fluid, and causing a second propeller to rotate in response to pressure of a second ...
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WO/2018/086714A1 |
The invention provides a method for operating a marine vessel (1) comprising a plurality of propulsion units (106, 107, 108, 206, 207, 208), each being arranged to deliver thrust to water in which the vessel (1) is floating, the thrust d...
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WO/2018/076254A1 |
A steering gear (2) comprises a driving apparatus (20), and also comprises a control device (22) and a sensor that are connected to the driving apparatus (20). The sensor obtains working parameters of the control device (22), the control...
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WO/2018/068596A1 |
A double-rudder single-cable channel ship, comprising a rudder compartment (1). A cable channel (2) is connected to one end of the rudder compartment (1). The other end of the cable channel (2) is connected to a stern compartment (3). A ...
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WO/2018/065644A1 |
The present invention relates to a method and to a system for recovering kinetic energy in a ship, which comprises: a duct (10) made in the hull of the ship below the waterline thereof, for receiving, as a result of the forward movement ...
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WO/2018/067008A1 |
A tugboat (1) having azimuthal propelling units, comprising two juxtaposed azimuthal propelling units (10, 20), characterized in that each of the juxtaposed propelling units (10, 20) has a main shaft (14) with a main axis (11, 21) extend...
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WO/2018/063012A1 |
A rotary vane steering gear driven by a rotary vane hydraulic actuator, having a body confining an internal hydraulic space in the shape of toroid with a rotation axis (X-X). The body is divided by a plane (A-A) perpendicular to the rota...
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WO/2018/055436A1 |
A steering assembly for a hydraulic steering system is disclosed. The steering assembly includes a steering input device and an auxiliary drive assembly. The auxiliary drive assembly includes a lock valve body with one or more fluid pass...
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WO/2018/050966A1 |
An arrangement for operating marine vessels is disclosed. In the arrangement a plurality of marine vessels (100, 103) form a convoy. The convoy is organized so that one the marine vessels (100) acts as a lead vessel and sends navigation ...
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WO/2018/043983A1 |
The present invention relates to a portable folding-type non-powered boat, which can be simply transported and stored since a boat integrally coupled and used is separated into a body member, a steering member, and buoyant members, respe...
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WO/2018/043006A1 |
Provided is a gravity measuring device which is capable of autonomous navigation and hovering in water and which is grounded on a body-of-water bottom to measure gravity. The gravity measuring device comprises: a gravity measuring unit f...
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WO/2018/032866A1 |
A twin-engine twin-propeller airboat, comprising a boat body (1), an engine system (2), a speed reducer set, a propeller system (3), a steering system (4), and a control system. An upper deck of the boat body (1) tilts forward, with a lo...
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WO/2018/030620A1 |
The present invention relates to a mobile algae removal apparatus using microbubbles. More specifically, the present invention relates to a mobile algae removal apparatus wherein: microbubbles required for floatation treatment are provid...
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WO/2018/030621A1 |
The present invention relates to a movable algae removing device using positive microbubbles and, more particularly, to a movable algae removing device wherein, instead of the conventional air compressor driving type, a super-power-savin...
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WO/2018/024427A1 |
The invention relates to a sailboat steering system (1) comprising a steerable saildrive (2), a control lever (3) for controlling a propeller speed of the steerable saildrive (2), a rudder angle sensor (4) to measure the ruder angle a of...
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WO/2018/025701A1 |
Plate-like auxiliary steering force generating members 21, 31 having a tilt angle α in a range of 45-90° with respect to a horizontal plane are arranged, via a holding member 22, 32 joined to a lower end part 13 or an upper end part 14...
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WO/2018/008455A1 |
This navigation management system comprises: an LNG carrier that uses natural gas in the form of vaporized LNG as fuel for propulsion, and that includes a cargo tank, a spray device, and a ship-side communication device; and on-land equi...
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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/2018/000042A1 |
The present invention is directed broadly to an underwater appendage assembly (10) of a marine vessel (12). The underwater appendage assembly (10) is in the form of a rudder assembly fitted to a bow section (14) of the vessel (12). The r...
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WO/2018/001457A1 |
The arrangement comprises a rotatable propeller shaft (25) provided with a propeller (30), an stationary annular nozzle (40) surrounding an outer perimeter of the propeller (30), a stationary support shaft (50) extending downstream from ...
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WO/2018/002414A1 |
The arrangement comprises at least one steering electric motor (60) rotating the propulsion unit (20) via a force transmission arrangement (50). The force transmission arrangement (50) comprises a differential (100) comprising a first sh...
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WO/2017/223347A1 |
A power steering system for a watercraft includes an electromechanical rotary actuator mounted within a cylindrical housing. The electromechanical rotary actuator includes a motor and a gearing system. The housing, along with a stern bra...
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WO/2017/216702A1 |
An apparatus (10) for varying the direction of travel of a vehicle, in particular a water-borne vehicle, especially a watercraft, preferably a yacht; the apparatus comprises rotatable means, or steering wheel (12) which can be operated b...
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WO/2017/219041A1 |
A multihull sailing vessel includes at least two buoyant hulls extending along their longitudinal axes, with the hulls being connected to each other and a first hydrofoil connected to the hulls and oriented transverse to the hulls. The f...
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WO/2017/214008A1 |
Current waterjet technology uses hydraulic actuators that are linked to a hydraulic system aboard the vessel. Hydraulic actuators have a significant number of problems including, but not limited to, significant size and weight, poor effi...
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WO/2017/213309A1 |
The present invention relates to a propulsion and steering apparatus for a vessel. The apparatus includes: a main fluid channel formed at the stem bottom side of the vessel to extend from the bottom to the stern side; a propulsion propel...
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WO/2017/210342A1 |
A wake control system aft of the driveshaft, propeller, and rudder of a vessel includes a fin base and at least one fin slidingly engaged with the fin base. The fin(s) are vertically oriented and extend down into the water surface. The f...
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WO/2017/204656A1 |
There is described a method of employing at least one vessel (10) in a process of repairing, maintaining, assembling, or disassembling an offshore installation or infrastructure, a related vessel, assembly, and apparatus. In various embo...
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WO/2017/202458A1 |
The present invention relates to a method for performing a sideway displacement of a marine vessel (10). The marine vessel (10) comprises a first and a second propulsion unit (26, 27), a first and a second rudder (31, 32) respectively as...
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WO/2017/183150A1 |
A ship propulsion device, wherein an attachment 4 for reducing the hub vortex of a propeller 2 is installed at the elevation of the propeller 2 on the front edge of a rudder 3 disposed at the rear of the propeller 2. The distance L1 betw...
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WO/2017/180364A1 |
A system and method to avoid collisions on highways, and to minimize the fatalities, injury, and damage when a collision is unavoidable. The system includes sensor means to detect other vehicles, and computing means to evaluate when a co...
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WO/2017/173935A1 |
A gas transmission release device on the basis of an axial hollow rudder stock and a gas mixing cavity-containing rudder blade, comprising an axial hollow rudder stock (1), a gas mixing cavity-containing rudder blade (2), and a gas trans...
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WO/2017/171226A1 |
Provided is a method for eliminating system backlash in a steering device comprising: a rudder stock having a rudder mounted thereon; a tiller communicating with the rudder stock; a gear part for rotating the tiller; and a plurality of d...
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WO/2017/170359A1 |
In a side view of this ship rudder 10, a rudder shape changing line La is disposed above the general area of a propeller center shaft Pc. The cross sectional profile of the ship rudder 10 is such that the area between a front edge 13 and...
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WO/2017/171225A1 |
Provided is a method for measuring system backlash in a steering device comprising: a driven part comprising a rudder stock and a tiller, the rudder stock having a rudder mounted thereon, and the tiller communicating with the rudder stoc...
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WO/2017/168234A1 |
A method of automatically moving, by an automatic location placement system, a marine vessel includes receiving, by a central processing unit, from a vision ranging photography system, at least one optical feed including data providing a...
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WO/2017/168802A1 |
The present invention addresses the problem of providing a ship steering device whereby course-change calibration can easily be performed. In a ship steering device (7), when port and starboard forward-backward propellers (4) are each ro...
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WO/2017/164394A1 |
Provided is technology for maneuvering a ship whilst having a sense of the vehicle. A ship (100) comprises: an out-drive device (20) that generates propulsion power in a hull (1) by means of power from an engine (10); a detection means (...
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WO/2017/164392A1 |
The present invention addresses the problem of providing a technology for steering a ship with the feel of an on-land vehicle. A ship (100) is equipped with: an outdrive device (20) which causes a ship body (1) to generate a propulsion f...
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WO/2017/164393A1 |
Provided is a technology which makes it possible to automatically execute ship calibration merely by operating an operation means for starting calibration. This ship device is equipped with: an engine (10); an outdrive device (20) for ca...
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WO/2017/160055A1 |
The present invention relates to a system for displaying and controlling a track of cast net of purse seine. The system comprises: a cast net wake path prediction unit for predicting a cast net wake path in order to catch a shoal of fish...
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WO/2017/159579A1 |
The present invention addresses the problem of providing a ship steering device capable of implementing fixed-position maintenance control that makes it possible to assess the fixed-position maintenance accuracy including the measurement...
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WO/2017/158205A1 |
Various aspects provide for a ship having a drive propeller and a steerable grim vane. The steerable grim vane may comprise a non-driven propeller and a transmission coupling the non-driven propeller to the ship. The transmission may dir...
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WO/2017/157728A1 |
The present invention relates to a linear drive for a ship steering engine comprising a spindle (10) and a spindle nut (20). The spindle nut (20) is connected to a propulsion pipe (30). The spindle (10) is fixedly mounted and the spindle...
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WO/2017/158204A1 |
Various aspects provide for a ship having a main propeller and a steer able contra-rotating propeller (steer able CRP). The steer able CRP may comprise a contra-rotating propeller and a transmission coupling the contra-rotating propeller...
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WO/2017/154539A1 |
Provided is a ship stern structure having a simple configuration which reduces wave-making resistance, the ship stern structure being effective in controlling the orientation of a traveling ship. This ship stern structure comprises: a pr...
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WO/2017/145532A1 |
This hydraulic steering device is equipped with: rams 8, 9 to which a tiller 4 journaled on a steering shaft 2 is turnably mounted; a pair of hydraulic cylinders 10, 10 which are placed opposite each other; and bypass oil passages 28, 29...
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WO/2017/144767A1 |
According to an example aspect of the present invention, there is provided a steering system (30) of an azimuthing propulsion system (1), the steering system (30) comprising at least one hydraulic motor (2) configured to operate an azimu...
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WO/2017/136955A1 |
A marine vessel control system comprises a propulsion unit and a steering actuator for steering the propulsion unit. There is a shift actuator for shifting gears in the propulsion unit and a throttle actuator for increasing or decreasing...
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