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JP6361033B2 |
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JP2018111449A |
To provide a vessel with a stern nozzle arranged immediately before a propeller, capable obtaining high energy saving effect with a nozzle as a whole and capable of greater improvement in propulsion force by the stern nozzle.A rear edge ...
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JP6353955B2 |
To provide a floating power generation plant system without anchor including a floating power generation plant, a global positioning system (GPS) positioning system, a power system and a control system.The floating power generation plant...
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JP6351700B2 |
Provided are a fin device and a ship such that slow zones are concentrated on the propeller surface, thereby improving propulsion efficiency and allowing energy conservation. A ship 1 according to one embodiment of the present invention ...
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JP2018099904A |
To provide an amphibian motor car which can perform switch of land operation time with on-water operation time easily and which is easy to turn in the event of the on-water operation time and can travel silently without polluting water l...
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JP2018100072A |
To provide a method for reduction of a hull fluctuation pressure by adjustment of a propeller revolution angle of a two-screw vessel.A hull fluctuation pressure reduction method has: a step S1 at which an optimum phase calculator 10 calc...
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JP2018079742A |
To make the best use of the thrust generated by the thrust generation unit.A ship 1 includes a hull 2 and a pair of electric propulsion units 4R, 4L. The electric propulsion units 4R, 4L comprise a thrust generation unit 40 including a d...
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JP2018079743A |
To provide a ship propulsion unit capable of obtaining the stable thrust even at a low speed and a ship.The electric propulsion unit 4 has a cylindrical duct 41 with a stator part 47 and a propeller part 42. The propeller part 42 include...
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JP2018079744A |
To evade an electric propulsion device from becoming a great sailing resistance when being sailed by an engine propulsion device.A vessel 1 includes: a hull 2; an engine propulsion device 3; an electric propulsion device 4; and a storage...
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JP6325474B2 |
To provide an electric propulsion passenger ship which has taken measures for suppressing damage to a minimum level, in the case of an accident.An electric propulsion passenger ship 10 has a passenger room 12, and a power source disposed...
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JP6323788B2 |
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JP6312108B2 |
A system for maintaining a marine vessel in a body of water at a selected position and orientation includes a global positioning system that determines a global position and heading of the vessel and a proximity sensor that determines a ...
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JP6308102B2 |
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JP6298967B2 |
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JP6292551B2 |
To provide a twist rudder for a ship in which an energy loss of an asymmetric flow not recovered by a propeller and a flow going through on a propeller plane is recovered as the lift generated by a rudder wing cross section, thereby obta...
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JP6289332B2 |
Provided is a ship propulsion system that is simple to operate and stabilizes the output from a plurality of axes, and a ship. The ship propulsion system includes: a first drive source; a first propeller shaft linked with the first drive...
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JP2018031430A |
To provide an outboard engine 1 having a speed change gear 13 of simple structure that can be made small in size even if it includes a mechanism for changing-over rotation outputs of propellers 5 and 6 to a forward movement and a backing...
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JP2018030458A |
To provide an outboard engine comprising a gear shifter that includes a mechanism for switching rotary output from propellers to forward and backward movement and nonetheless has a simple configuration and can be downsized.The outboard e...
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JP2018030457A |
To provide an outboard engine 1 comprising a gear shifter 13 that includes a mechanism for switching rotary output from propellers 5, 6 to forward and backward movement and nonetheless has a simple configuration and can be downsized.An o...
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JP6286070B2 |
The propulsion unit comprises a strut having an upper portion (22) with an upper end portion (100) passing through a passage (P1) formed between a first outer bottom (11) and a second inner bottom (12) in a vessel 10. The upper end porti...
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JP2018024368A |
To provide a vessel that can increase a thrust generating part of a stern duct capable of generating thrust inside thereof using a wake flow of a hull relative to a circular stern duct and can increase thrust by the stern duct, in a vess...
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JP2018020584A |
To provide a marine vessel that has a stern duct arranged right before a propeller and that can increase thrust generation parts of the stern duct capable of generating a thrust making good use of a marine vehicle body wake flow more tha...
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JP6275872B2 |
Disclosed is a ship for reducing propeller cavitation-induced excitation force. A ship for reducing propeller cavitation-induced excitation force according to one embodiment of the present invention comprises: a hull provided with a prop...
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JP6267173B2 |
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JP6265565B2 |
The invention relates to a ship-rudder structure and a manufacturing method of a ship. Specifically, the structure (10) is provided with a rudder (5) which is disposed behind a propeller (3). The front end (5a) of the rudder (5) is provi...
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JP2018002040A |
To provide a maneuvering system of a ship capable of showing high-degree maneuverability by inputting a comparatively simple maneuvering operation, in a ship including two thrusters of a port side thruster and a starboard side thruster o...
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JP6255170B2 |
The vessel (1) has a line of shafts (3) equipped with an engine consisting of a propeller pump (4) including a rotor, stators (40) and a conduit (41). A hull (2) presents a concave form (C) and a curve (I) defining the concave form accor...
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JP6253021B2 |
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JP2017222227A |
To suppress occurrence of disturbance in a flow near a rear end part of a skeg thereby improving propulsion performance.A twin skeg ship 1A comprising: a hull 1a; skegs 2A, in a pair, which are provided on a stern hull 3 of the hull 1a a...
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JP2017222228A |
To suppress occurrence of disturbance in a flow near a rear end part of a skeg thereby improving propulsion performance.A twin skeg ship 1A comprising: a hull 1a; skegs 2A, in a pair, which are provided on a stern hull 3 of the hull 1a a...
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JP6246960B1 |
[Subject] In a propulsive engine of a vessel, and a vessel, while controlling generating of a cavitation, Heroux John, etc., promotion performance is raised. [Means for Solution] Port side propeller shaft 21 and starboard propeller shaft...
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JP2017213975A |
To provide a reaction fin device capable of exhibiting an energy saving effect in a more assured and efficient manner through optimization of a blade angle, a reaction fin control method, a vessel, and a vessel control method.This reacti...
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JP6241905B2 |
A stern shape having a stern duct 30, including a propeller 20 provided on a stern portion 15 of a ship's hull 10, and the stern duct 30 mounted in front of the propeller 20, wherein the ship's hull 10 has a V stern shape, a duct body 31...
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JP2017206058A |
To provide an underwater moving vehicle the motion performance of which is improved and the position of which can be kept stable.An underwater moving vehicle includes: a vehicle body 1 preset so that the weight thereof becomes larger tha...
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JP6226241B2 |
A propulsion device for a ship (1) includes a port propeller (10L) and a starboard propeller (10R), a rudder (40) disposed at a center (C) in a vessel widthwise direction, and shaft brackets (13R, 13L) installed in front of the port prop...
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JP2017197182A |
To provide a novel submersible navigation body (for example, a submarine, a torpedo, an unmanned machine or the like) capable of moving underwater at high speed.Provided is a submersible vehicle including a slender hull, and at least one...
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JP3213165U |
[Subject] A device which improves a flow of a stern style place through a sector-shaped duct and an interaction of a fin structure, and reduces energy of a vessel is provided. [Means for Solution] being located ahead of a propeller -- th...
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JP6212027B2 |
The front-nozzle (10a) has a water inlet opening and a water outlet opening, where a fin system is arranged within the front-nozzle. An inlet region of the front-nozzle is provided without fin system. The front-nozzle is formed in a rota...
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JP6208754B2 |
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JP6202710B2 |
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JP6198232B1 |
[Subject] Improvement in the speed of cruise speed of a vessel is realized holding the economical efficiency of a ship. [Means for Solution] Waterway 6 through which it passes from bow 1 to stern 2 is provided, and water of a bow is pour...
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JP6199505B2 |
A support strut (21) has an upper end (21A) rotatable supported at a bottom of a vessel and a lower end (21 B) supporting a casing (22). A first electric motor (30) within the casing (22) drives a propeller (50) via a first shaft (31). A...
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JP6200592B2 |
An amphibious unicycle (1), comprising an annular casing (100) having an accommodation cavity (1001); two sides of the annular casing (100) are respectively provided with openings communicating with the accommodation cavity (1001); the o...
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JP2017525613A |
A ship containing a propulsion device (10) with a propeller (14), the propulsion device being oriented between the first unfolded orientation and the second retracted orientation. Arranged to swivel, the propellers bring thrust in the th...
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JP6187799B2 |
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JP6189210B2 |
Provided is an azimuth thruster-type ship capable of suppressing worsening of fuel consumption and capable of improving course-keeping performance in an azimuth thruster-type ship comprising an azimuth thruster. The azimuth thruster-type...
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JP6187930B2 |
To provide a hybrid propulsion system, which for making operation of a hybrid vessel more efficient, makes output from a main engine as constant as possible to enable effective use of a power storage means for a long term, and a hybrid p...
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JP6167392B1 |
[Subject] It is suitable for check of shore protection etc., etc., and a turn is easy, there is no restriction in the move direction, and it can be used also in a narrow part, even if it contacts a subject, it is not damaged, and check b...
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JP2017109726A |
To provide a reduced-complexity ring motor design for propeller driven vehicles.A motor 200 includes a stator 210 and a rotor 250 that are coupled via a center hub 270 of the rotor. The stator includes a support ring 220, the support rin...
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JP6152490B2 |
A sealing arrangement is used when mounting a thruster in a well box attached to a hull of a marine vessel. The well box has an axis, a bottom flange, a top flange, an annular wall therebetween and hoisting pipes fastened parallel with t...
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