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JP6583924B2 |
The present invention is directed to a modular azimuth thruster (1) for propelling a vessel, having a thruster housing (11) around which water flows, and comprising: a standardized core unit (2) having a core unit housing (21) forming pa...
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JP6584755B2 |
The invention relates to a ship's propulsion unit such as a ship's azimuthing propulsion unit. The propulsion unit comprises at least one supporting metal sheet (12) arranged between an support section (11) of a shell structure (1) of th...
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JP6578057B2 |
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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JP2019142482A |
To provide a method for greatly reducing the amount of water which must be pushed away to move a ship ahead.A great volume of water is continuously sucked from a high-pressure zone just in front of a bow 107 of a hull, and the sucked wat...
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JP6568615B1 |
To provide an autonomous navigation type marine buoy, which autonomously heads for rescue of a victim when receiving a distress signal, functions as a communication base station at sea, and provides an ocean information system. The buoy ...
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JP6554743B2 |
To suppress occurrence of cavitation and erosion, and improve propulsion performance.A propulsion device of a ship 1 comprises: a port side propeller 10L and a starboard propeller 10R; a steering wheel 40A disposed on a ship width direct...
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JP6548062B2 |
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JP6549616B2 |
The invention relates to a pod propulsion device including a motor casing (3) and a strut (2), which strut (2) is connected at a lower part thereof to the motor casing (3) and is arranged to be connected at an upper part thereof to a hul...
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JP6545895B2 |
An underwater operation platform, including: a main body; two ducted propellers disposed at the tail end of the main body; a living building; pile legs; a tower crane; a submergence module; lifting devices; and a gantry crane. The main b...
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JP2019112054A |
To provide an ocean vessel evading faults of conventional technology, applying the vessel propulsion force in forward and backward directions, and high level of efficiency for steering in both directions.This invention is regarding an oc...
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JP6539896B2 |
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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JP2019098900A |
To provide an adjacently arranged twin-screw vessel capable of reducing vibration generation while improving propulsion efficiency by adjacently arranging a pair of propellers.The adjacently arranged twin-screw vessel comprises a first p...
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JP6532927B1 |
To provide a shaft sealing device of a marine counter-rotating propeller device capable of reducing the required number of air supply devices and discriminating an abnormal portion of a seal from a discharged drain. A shaft sealing devic...
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JP6522294B2 |
The invention relates to a ship's propulsion unit comprising a closed liquid cooling system (9) having an inner space (10) containing liquid. The inner space (10) is partly limited by a cylindrical outer surface (8) of a cylindrical sect...
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JP3221317U |
To provide an ultra-lightweight composite material propeller for an outboard motor, which facilitates replacement when damaged, improves fuel efficiency by weight reduction, and facilitates mass production. A hub 10 having a cylindrical ...
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JP6516979B2 |
The invention relates to a ship's propulsion unit comprising a shell structure (1) arranged below a hull (2) of the ship and an electric motor (3) for rotating a propeller (4). The propulsion unit comprising a closed gas circulation cool...
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JP6504647B2 |
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JP6498283B2 |
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JP6493691B2 |
To provide a twin skeg ship capable of providing high energy-saving effect, by recovering energy loss of both an inside flow and an outside flow of a twin skeg, in the twin skeg ship.A biaxial two-rudder twin skeg ship 1 having two skegs...
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JP6493826B2 |
To accomplish the purpose of taking measures against cavitation, taking measures against a following wake, reducing viscosity resistance, reducing the occurrence of vibromotive force, improving a propulsion speed and pursuing the improve...
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JP6490595B2 |
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JP6492121B2 |
To provide an operating method of a merchant ship with a high navigating energy efficiency in a freezing sea area.The merchant ship has a bulbous bow 13, a regular propeller 11 driven by the main engine 12 at the stern, an additional pro...
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JP6484906B2 |
A structure for reducing the drag of a ship and its application thereof is provided. The structure for reducing the drag of a ship comprising at least one turbulence generator which is installed on the side surface between the widest sec...
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JP6483158B2 |
The invention relates to a pod propulsion unit of a ship. The pod propulsion unit comprises a pod housing (1) arranged at least partly below a hull (2) of the ship, an electric propeller motor (3) within a motor gondola (4) of the pod ho...
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JP6481837B2 |
Disclosed is a method of decreasing pressure fluctuation induced on a surface of a hull due to propeller cavitation by using real-time vibration information and adjusting rotation angles of two propellers of a twin-propeller ship.
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JP6478228B2 |
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JP2018202954A |
To provide a ship and a maneuvering method of the ship capable of relieving a wave shock while the ship is stopped and of suppressing the deterioration of propulsion performance due to a change in the attitude (trim) of the hull.In the r...
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JP2018203140A |
To provide a ship capable of providing a propeller driving system on a rear portion of a stern where a hull space is relatively narrow, even when the ship comprising a propeller driving system comprising four or more propulsion systems, ...
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JP2018203131A |
To provide a ship comprising plural propeller driving systems for transmitting power from two propulsion systems to a propeller shaft coupled to propellers through a reduction gear, capable of arranging the propeller driving systems in a...
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JP6444501B2 |
A propelling efficiency enhancing device is disclosed. A propelling efficiency enhancing device according to an embodiment of the present invention is disposed in front of a propeller and includes current fixing blades disposed radially ...
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JP6440388B2 |
To provide a floating solar power generation system which can be installed even on ocean having a deep water depth and whose power generation efficiency can be improved.A floating solar power generation system 1 includes: a mooring buoy ...
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JP6433020B2 |
A ship setting a small duct of the present invention includes a propeller 10 and a duct 20, a propeller load condition of the ship's hull 1 in an actual sea is set to 1.0 or more and a vortex resistance of the ship's hull 1 in the actual...
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JP2018535144A |
A frictional resistance reducing device for effectively reducing the frictional resistance of a ship and a ship including the same are disclosed. The friction resistance reducing device is formed on the bottom surface of the hull and has...
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JP6430988B2 |
An object is to provide a ship handling device enabling easy turning calibration. With a ship handling device (7), during turning calibration with the ship handling device (7), the joystick lever (10) is turned to rotate the forward-back...
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JP6422020B2 |
Provided is a twin skeg ship equipped with a pair of left and right skegs provided at a bottom of a stern, propellers provided behind the pair of left and right skegs; and fins provided in front of the propellers only at inner sides in a...
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JP6418451B2 |
In the present invention, a connecting location 13 between a duct member 11 and each of struts 12a and 12b is disposed in the vicinity of a bilge vortex occurring at the stern in cases when a duct 10 is not provided. The duct member is f...
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JP6405568B2 |
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JP2018158628A |
To provide a vessel capable of being easily operated in a horizontal movement.A left horizontal movement switch 53 is attached to a steering wheel 41. A right horizontal movement switch 54 is attached to the steering wheel. A controller ...
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JP2018154177A |
To implement an underwater propulsion device with a good propulsion efficiency during the high-speed navigation.The underwater propulsion device 1 comprises a propeller 11, a motor 12 and a housing 5. The motor 12 is arranged in front of...
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JP6386191B2 |
There is provided a control arrangement for controlling at least two azimuthing propulsion units of a ship. The control arrangement comprises a crash stop activation member for activating a crash stop procedure, after which the crash sto...
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JP6376679B2 |
To provide a stern duct capable of improving a hull efficiency without increasing the resistance to a hull even if a duct body is added to the hull, a method for designing the stern duct, and a ship equipped with the stern duct.A stern d...
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JP6361914B2 |
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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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