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JP7446928B2 |
To provide a liquefied gas carrier capable of reducing a tank weight without reducing a cargo capacity and capable of suppressing an expansion of a ship width.A liquefied gas carrier 1 has a loadable capacity of liquefied gas of 50,000 m...
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JP2024031212A |
[Problem] To provide a safe and inexpensive external thruster for moving a ship laterally. [Solution] The present invention maintains the thruster 104 in a dry space higher than the waterline 116, such as the arm position 113 when the ar...
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JP7435215B2 |
There is provided a ship maneuvering system including: a turning operation device configured to output a turning operation signal corresponding to a turning operation; a turning control device configured to change a direction of each of ...
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JP7432877B2 |
To provide a propeller guard, a vessel, and a design method for propeller guard for vessel capable of preventing damage to a propeller without deteriorating propulsion performance of the vessel.A propeller guard 3 includes: a first parti...
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JP2024506651A |
To form an improved configuration (10) for reducing the propulsion requirements of a twin-shaft vessel, the configuration (10) includes a first propeller (20) and a second propeller (21) and a first guide. a device (30) and a second guid...
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JP7422839B2 |
Provided is a rudder assembly producing significant thrust to reduce energy consumption of vessels during voyage. The rudder assembly is formed of first/second rudder units arranged on both sides of first/second propellers. As seen from ...
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JP7418988B2 |
To provide a bearing device capable of preventing lubrication oil from leaking to the outside of a housing.A bearing device 1 provided at a relatively rotating portion between a stationary side member 2 and a rotary shaft member 3 which ...
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JP2024005893A |
An object of the present invention is to provide a ship propulsion device and a ship that can improve propulsion performance. [Solution] A marine propulsion device is provided at the bottom of a ship, and includes a plurality of ducts li...
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JP7405705B2 |
To provide a contra-rotating propeller having a simpler structure than a conventional one with excellent reliability.A contra-rotating propeller 3 for a vessel is provided on a stern of a vessel 1 to be capable of rotating around an axis...
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JP7405787B2 |
To provide a stern duct with easy adjustment of propulsion by being capable of increasing the propulsion without greatly changing number and configuration of ducts from a conventional structure.A stern duct 1 comprises a duct body 11 whi...
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JP2023169711A |
To suppress deviation in a rolling direction of a hull.An outboard engine is installed to the right and left of a stern of a hull, the outboard engine has a PTT mechanism and a lift mechanism, the PTT mechanism varies a tilt angle of the...
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JP2023164133A |
To provide a fin device and a vessel capable of saving energy by improving propulsion efficiency of a vessel provided with a bossing projecting downward from a bottom of a stern unit.A vessel 1 is a fine type vessel including a bossing 1...
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JP7375077B2 |
Provided are a stern add-on structure and a ship with which it is possible to mitigate thrust loss and save energy. This ship 1 comprises a stern add-on structure 2 disposed on a ship bottom 12 above a propeller 11, and the stern add-on ...
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JP2023546397A |
A lateral propulsion device 1 for a ship 2 comprising a steering tunnel 3 defined within a hull 4 of the ship 2 and configured to include a steering propeller 5. The maneuvering tunnel 3 is delimited by a tunnel wall 6 extending between ...
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JP2023156018A |
To provide a hull for an unmanned water surface travelling body capable of suppressing oscillation of the hull due to waves or tracks and an unmanned water surface travelling body.A hull for an unmanned water surface travelling body 13 i...
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JP2023153463A |
To obtain an outboard engine control device capable of improving turning performance of a vessel by varying propulsion force for each outboard engine when operating with a set of steering handle and an accelerator pedal in a vessel inclu...
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JP2023142434A |
To provide an ocean windmill access vessel with simple control even when frequently changing direction of movement and having action of maneuvering equipment easily follow an operation by a crew.A semi-submerged type catamaran vessel inc...
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JP7352522B2 |
To provide a water surface moving object advantageous for controlling an attitude of a body unit floating over water with high accuracy.A water surface moving object moving in a state where a body unit is made to float from a water surfa...
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JP2023131548A |
To provide a ship capable of boosting a free rotation of a rotating blade at a downstream side.A ship 1 comprises a rotating blade 60A and a rotating blade 60B. The rotating blade 60A is provided at an upstream side of the rotating blade...
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JP7326172B2 |
In a marine vessel including a hull (11) and a propeller (12a to 12f) provided on a stern side of the hull, n 2 D/√(Bd) is 4 or more and 35 or less, in a case where n is the number of the propeller, D is a diameter of the propeller, B ...
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JP7325284B2 |
To provide a water bottom shape measuring device capable of suppressing cost and simplifying a configuration.A water bottom shape measuring device positions a three-dimensional shape measuring part 14E which is suspended from an unmanned...
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JP2023112622A |
To provide a propulsion performance enhancement device capable of preventing the generation of swirl flow in a propeller wake flow and of improving propulsion efficiency for a ship comprising a propeller propulsion unit.For a fin mounted...
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JP2023533958A |
The boat comprises a hull (2), a first hydrofoil (301) fixed to the hull (2) by a first fixing device (302), and a second fixing device (302) separated from the first fixing device (302). a second hydrofoil (601) fixed to the hull (2) by...
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JP7312991B2 |
To provide a vessel capable of improving propulsion performance while securing the number of load weight tons in a small domestic vessel.A vessel 1 has the distance from a third partition wall 403 on a stern end side of an engine room 6 ...
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JP2023099917A |
To provide a pod type propeller capable of improving propulsion efficiency, without requiring an inverter, with high conversion efficiency for energy, and reducing swirling flow generated in front and back of the propeller and ineffectiv...
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JP2023098363A |
To avoid having an object come into contact with a propeller by attaching a projection unit integrally rotating with the propeller to the propeller.Outboard engines 4 and 5 attached to a hull 2 includes a projection 60 provided in a rear...
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JP2023096303A |
To provide a hull structure of a multi-hull ship capable of improving maneuverability and of controlling attitude.A multi-hull ship comprises: a first hull 2A; a second hull 2B arranged in parallel with the first hull; a first propeller ...
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JP2023094183A |
To reduce a forward axial load applied on a bearing for supporting a front driven gear on a case of an outboard engine during ship advancement.A contra-rotating propeller type outboard engine comprises: an outer propeller shaft 4 and an ...
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JP2023527023A |
At least one rudder (21) and at least one accommodation space (22) for a propeller (30) are formed in front of the rudder (21) in the direction of travel (F) of the vessel (100) in this configuration. Forward of propeller (30) storage sp...
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JP7296107B2 |
To provide a stern addition, a stern shape, and a vessel with better energy conservation effect.A stern addition 30 attached in front of a propeller attached to a stern of a vessel includes: a duct 31 forming a partial circular shape wit...
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JP7293035B2 |
To effectively utilize limited inboard space in a vessel provided with an electrically-driven propulsion device.A vessel 100 has: two propulsion devices 2, 2,; a first electric motor M1 arranged in between the two propulsion devices 2, 2...
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JP7281911B2 |
This motor-integrated fan has a suction port and a blowing port, and is provided with: a rotating part rotatably supported on a shaft part; and a motor that rotates the rotating part. The motor is a peripheral drive motor that rotates th...
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JP2023073173A |
To solve the problem in which: it is difficult to employ vessels using conventional outboard engines, including the type of water jet propulsion, in situations such as a flood disaster anticipating mud water, low water depth, or underwat...
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JP2023068836A |
To provide a ship propulsion system and a ship that can achieve a fixed point holding of a hull provided with a main propulsion machine and an auxiliary propulsion machine, while minimizing an environmental load accompanying driving of t...
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JP2023068787A |
To provide a ship propulsion system and a ship that are capable of turning round a hull while preventing control using a control section, from becoming complicated, in a constitution comprising a plurality of propulsion machines respecti...
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JP2023068838A |
To provide a ship propulsion system and a ship that can enhance position holding accuracy in controlling drift, while minimizing an environmental load accompanying driving of propulsion machines.A ship propulsion system 102 of the invent...
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JP2023068785A |
To provide a ship propulsion system and a ship that are capable of moving a hull in a lateral direction, while preventing the propulsion machines from increasing in number, in a constitution comprising a main propulsion machine and an au...
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JP2023068839A |
To provide a ship propulsion system and a ship that are capable of carrying out, as intended by a ship operator, longitudinal movement electrically-driven by an auxiliary propulsion machine which is installed deviated toward one side in ...
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JP2023068837A |
To provide a ship propulsion system and a ship that can enhance position holding accuracy in controlling the Fish Point (registered trademark) (automated ship maneuvering for maintaining a hull at a target point by turning round and dire...
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JP2023061043A |
To provide a ship capable of expanding an available space in the sip.A ship comprises: a hull; a main propulsion device installed at a stern of a hull; a secondary propulsion device which is provided at the stern, can raise/fall around t...
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JP7264902B2 |
The watercraft device (100) is disclosed. The watercraft device (100) comprises comprises a board (102), a throttle coupled to a top surface of the board, a hydrofoil (104) coupled to a bottom surface of the board, and an electric propel...
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JP3241447U |
A ballastless cargo ship is provided. A ballastless cargo ship is a hull comprising an upper longitudinal body and a lower longitudinal body, the lower body being located directly below the upper body, the upper body and the lower body b...
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JP2023044490A |
To prevent complication of an internal structure of a hybrid ship propulsion machine and inhibit deterioration of cruising performance of a ship during planing.A hybrid outboard engine 1 includes: an internal combustion drive propulsion ...
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JP2023044488A |
To prevent complication of an internal structure of a hybrid ship propeller and inhibit deterioration of cruising performance of a ship during planing.A hybrid outboard engine 1 includes: an internal combustion drive propulsion unit 11 w...
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JP2023042170A |
To provide a reduction method for increase in rolling resistance, a reduction system for increase in rolling resistance for a vessel, and a vessel capable of improving fuel consumption, etc., of the vessel by rationally reducing increase...
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JP7222957B2 |
Provided is a rudder assembly producing significant thrust to reduce energy consumption of vessels during voyage. The rudder assembly is formed of first/second rudder units arranged on both sides of first/second propellers. As seen from ...
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JP2023021916A |
To provide a system ensuring an efficient operation of a gyroscope stabilization system by activating a propulsion system and the gyroscope stabilization system simultaneously when the ship is operated in a position holding mode.The pres...
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JP7213870B2 |
[Problem] To provide a system for monitoring machine elements that is compact in configuration and can remotely and reliably monitor machine elements provided in a rotating part 3 of a rotating-type marine vessel propulsion device 1. [So...
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JP7210409B2 |
Provided is a motor-integrated fluid machine having an integrally provided motor, the motor-integrated fluid machine comprising: a rotating part that rotates about a rotary axis; an outer circumferential part provided to the outer circum...
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JP2023003605A |
To provide a fluid machinery capable of stably cooling a motor to rotationally drive the propeller on a rear stage.A fluid machinery comprises a shaft part, a shroud provided to surround the shaft part and having an inner circumferential...
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