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JP2014125125A |
To reduce friction resistance of a ship to water by blowing air into water and to suppress increment of vibrating force for a propeller due to winding air bubble by the propeller.There is provided an air blowing part which blows out air ...
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JP5539025B2 |
Disclosed herein is a ducted pre-swirl stator assembly. The ducted pre-swirl stator assembly includes a pre-swirl stator, a cylindrical duct and a support. The pre-swirl stator is provided on a stern boss of a hull and has at least one b...
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JP2014111458A |
To provide a pre-nozzle for a drive system of a water craft for further improving drive efficiency of a Low-speed large-capacity ship.A propeller-less pre-nozzle 10a of a drive system for a water craft, comprises: a water inlet aperture;...
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JP5524672B2 |
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JP5510798B2 |
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JP5511869B2 |
To provide an unsymmetrical front flow fixed blade of a vessel capable of uniforming load distribution of a propeller and further improving cavitation performance in addition to propeller performance by installing the front flow fixed bl...
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JP2014512302A |
A hybrid power device for a marine vehicle is provided that has two hybrid prime movers, an electric motor and a combustion engine, that distribute power, for example torque, to a single or dual propulsor, such as surface drives with pro...
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JP5496561B2 |
To provide a propulsion device for a vessel of a hybrid type counter rotating system, which has good fuel economy, whose components of auxiliary machines can hardly be worn out, and in which the load adjustment between both front and rea...
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JP5496563B2 |
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JP2014080083A |
To provide a marine steering system capable of reducing external force exerted to an outboard engine when a marine craft travels straight and power consumption then.A basic target steering angle calculation unit 131 calculates a basic ta...
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JP3190340U |
To further improve propulsion performance as compared with conventional ones by equipping a simple control fin to improve a stern flow field, and to reduce horsepower and vibration force. A field control fin device is provided. Stern flo...
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JP5487289B2 |
A submersible vehicle having an outer hull which defines a hull axis and appears substantially annular when viewed along the hull axis, the interior of the annulus defining a duct which is open at both ends so that when the vehicle is su...
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JP2014509975A |
A rudder propeller including a drive shaft and a propeller shaft that can be driven by the drive shaft by an angular drive and a planetary gear that can be located on the propeller shaft and including a sun gear that is connected to the ...
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JP2014509979A |
A container includes fittings for gripping, handling and securing same, each of the fittings being placed at a corner of the container in the non-deployed position of the container. In the non-deployed position, the container is formed b...
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JP5477618B2 |
To improve propelling performance of a ship by making effective use of a flow generated at the rear portion of a skeg during propelling of the ship. This two-axis catamaran type ship 1 equipped with two propellers includes propelling mea...
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JP5467483B2 |
To provide a propulsion performance improving device for a vessel with a comparatively simple constitution, improving hull efficiency by increasing an effective wake coefficient without increasing a thrust reduction coefficient and provi...
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JP5461101B2 |
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JP2014507329A |
An arrangement for steering and supplying propulsion power to a contra rotating propeller(s) (CRP) propulsion system in a marine vessel is disclosed. The arrangement can include a first propeller, a second propeller driven by an AC motor...
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JP2014046698A |
To provide a propeller guard capable of reducing propulsion resistance and increasing propulsion force of a vessel with a simple structure.A propeller guard is disposed at a distance from a propeller 1 around the propeller to protect the...
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JP2014505621A |
An arrangement is disclosed for supplying propulsion power to a contra rotating propellers (CRP) propulsion system in a marine vessel, which arrangement can include a first propeller driven by a rotating power unit, and a second propelle...
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JP5433336B2 |
Disclosed is a swiveling propeller device that makes it easy to swivel a case thereof and prevents said case swiveling from affecting the rotation of the propeller. The disclosed swiveling propeller device, which transmits power from a p...
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JP5426699B2 |
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JPWO2012043284A1 |
Azimas propulsion equipped with a driving force transmission mechanism that transmits the driving force from the prime mover (5) to the propeller (3) of the pod (2) using the bevel gear unit (6,7) that changes the power transmission dire...
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JP5393160B2 |
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JP5394101B2 |
To provide a nuclear ship with a durability greater than the durabilities of nuclear aircraft carriers navigating in the world, enabling it to withstand a fuel-filled jet plane crash so as to be accepted by people in every country, becau...
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JP2014501201A |
An arrangement is disclosed for supplying electric power to a propulsion system of a marine vessel having a propeller motor, which is connected to an AC generator. The AC generator supplies electric energy to the propeller motor. The AC ...
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JP5388184B2 |
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JP5384787B2 |
A propulsion system 2 for a waterborne vessel 4 comprises a hull structure 6, typically for a full or semi planing boat. The propulsion system 2 comprises a pod housing 8 having a front end 10 and a rear end 12, a propeller 14 and a prop...
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JP5372977B2 |
To provide a complex fin that reduces the resistance of the unsymmetrical stern fins by improving flow entering to an asymmetrical stern fin.The stern fins 107a and 107b of cross-sectional shape wherein one side surface is configured in ...
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JP5371401B2 |
A marine vessel maneuvering supporting apparatus is used in a marine vessel which includes a propulsion system and a steering mechanism. The marine vessel maneuvering supporting apparatus includes a first operational unit arranged select...
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JP5364318B2 |
To provide a turning controller for an azimuth thruster having a high follow-up accuracy, in which the control of the device with an AC servo motor is prevented from falling into an uncontrollable state. A turning control substrate 26 ca...
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JP2013244913A |
To obtain a sufficient ship speed even if a low speed main engine is applied and to restrict a propeller diameter from being large-sized.A ship includes a main engine 4 installed in an engine room 2A of the hull 2, a propeller shaft 6A c...
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JP5360598B2 |
A method and system for transporting fluid is described. The method includes coupling a transit vessel to a terminal vessel associated with at least one terminal. The transit vessel and the terminal vessel are coupled at an open sea or l...
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JP5360887B2 |
To suppress collision of underwater obstacles with a guide vane behind a propeller. The pod propulsion unit 10 is provided with a strut 12 provided so as to be downwardly extended from a hull 11; a pod 13 provided on a lower end of the s...
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JP5360241B2 |
To provide a steering system which allows ship handling without becoming steering disabled, when an abnormality of a turning angle sensor which detects a rotation position of an outboard motor in a ship is detected. The steering system i...
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JP5357319B2 |
The device (100) has outer fins (20a-20d) projecting in outward direction from a fore-nozzle (10). Ends (201) of the outer fins are fastened to the nozzle, and other ends (202) of the outer fins are designed as free end (202). End of inn...
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JP5351611B2 |
A marine vessel control system includes a control unit (60, 60M, 60S), a first communication bus (71), a second communication bus (72), and an auxiliary device connection section (72a). The control unit (60, 60M, 60S) includes a main out...
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JP5330382B2 |
A contra-rotating propeller system is installed between a rudder horn of a ship and shaft support at an engine-output side. The system includes a propeller shaft rotatably supported by the rudder horn and the shaft support, respectively,...
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JP5328874B2 |
To provide an operation support device and ship, which can sufficiently reduce fuel consumption.The operation support device includes: a communication device 11 for obtaining peripheral marine weather data during ship navigation; an indi...
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JP5320518B1 |
To provide a ship provided with an elevating ship propulsion unit for easy maintenance. A ship according to the present invention has an elevating ship propulsion unit arranged upright on the bottom of a ship, and has an upper opening ed...
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JP5311304B2 |
The objective of the invention is to provide a float-type energy-generating system that is able to maintain the system's body stably, without listing, while sailing, even in a strong wind, while efficiently generating electricity. The sy...
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JP5311540B2 |
To provide a bubble entrainment preventing device in a ship, effectively reducing frictional resistance according to the navigation state and condition of the ship, preventing bubble entrainment with respect to a propeller means to preve...
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JP2013199272A |
To provide a guide fin device capable of providing effect equal to or more than that of conventional one, with a simple configuration.A guide fin device includes three guide fins consisting of a starboard fin 21 and a first portside fin ...
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JP5307131B2 |
A watercraft has a hull with a first end and a second end and is equipped at its second end with a propulsion arrangement that includes at least three propulsion devices each provided with a propeller. A majority of the propulsion device...
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JP2013193503A |
To effectively use boil-off gas of an LNG tank as a power generating fuel in the case of adopting a two-cycle (low-speed) gas-fired diesel engine as a main propelling engine.A ship propelling system using boil-off gas (BOG) of an LNG tan...
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JP5295841B2 |
A marine vessel control apparatus is arranged and programmed to control a propulsion device including an engine and a propulsion device control unit. The marine vessel control apparatus includes a starter switch arranged to be operated b...
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JP5291438B2 |
To provide a reduction gear for a counter-rotating propeller, using a cross compound type steam turbine as a power engine for uniformly distributing and transmitting the power of a high pressure side output shaft and a low pressure side ...
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JP5294265B2 |
To enhance a course-keeping property of a marine vessel by suppressing separation of a flow at a rear part of a pod by providing a member in which a rudder and a guide vane are integrated on a rear part of a propeller, and to efficiently...
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JP2013180624A |
To provide a hull vibration reducing device capable of preventing a fall in the effect of reducing hull vibration caused by propeller surface force.A hull vibration reducing device includes a tank 12 arranged in a hull 6 located above a ...
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JP2013180613A |
To provide an amphibious vehicle enabled in excellent on-water traveling and land traveling while controlling enlargement and complication.An amphibious vehicle is provided with: a base frame 11; a cabin 12 mounted to the base frame 11; ...
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