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JP5857327B2 |
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JP2016022756A |
To enable coping with forward movement, backward movement, lateral movement, small turn and so forth on the land and on the water without using a complicated mechanism.A steering system with in-wheel motors of an amphibious vehicle compr...
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JP5852591B2 |
A marine surface propeller, and blade therefore, which is surface piercing and partially submerged, and includes a blade geometry that improves distribution of pressure and control to wetted and ventilated regions. Preferably, the featur...
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JP5844617B2 |
A marine vessel propulsion device (1, 201, 301, 401, 501, 601, 701, 801) includes a propeller (5, 305, 405) rotatable around a propeller axis (A2), a duct (26) that surrounds the propeller (5, 305, 405) around the propeller axis (A2), an...
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JP2015536273A |
A shell (6) that is generally round pipe-shaped and has an axial center through hole is provided, and a motor rotor (1) is provided in the through hole of the shell (6) via two bearings (4) to provide an axial center. It has a through ho...
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JP2015217940A |
To provide an oscillation foil propulsion system which can adjust an attack angle depending on a flow direction and speed of topical fluid approaching in a range where a foil operates in an oscillating movable foil of a marine propulsion...
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JP2015202753A |
To effectively suppress thrust breakdown.In a propeller (1) of the present invention, such shape change parts (21 and 22) that front and back sides (15) and (16) of a blade become higher than parts (23 and 24) continuing into the side of...
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JP2015199434A |
To provide a highly-efficient and silent propulsion device of a ship, which discharges a low-speed water flow.A propulsion device 15 of a ship has an intake opening housed in a hull under the water line for introducing water, a propulsio...
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JP2015199483A |
To provide a propeller for a vessel which can suppress degradation of properties such as strength even if an impact energy is given thereto from an exterior, and has excellent maintainability and repairability.A propeller (1) for a vesse...
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JP5804312B2 |
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JP3200632U |
To provide an in-liquid drive propeller type fan capable of increasing an output without changing the overall structure of the propeller type fan. A large number of uneven portions 1 are formed on a portion of a fan blade 2. It is desira...
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JP5801954B2 |
Disclosed are a propulsion device for a ship and a ship having same. The propulsion device, according to an embodiment of the present invention, comprises: a rear propeller fixed to a first driveshaft; a front propeller positioned in fro...
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JP2015180560A |
To provide a marine propeller of which vibration control performance can be improved while suppressing increase of a cost of manufacture thereof.A marine propeller including a boss part formed in a propeller shaft, and a vane which radia...
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JP5770705B2 |
The arrangement (100) has a propeller (10) rotatable about a propeller axis (13). A rotor fin (30) is freely and rotatably arranged about a propeller axis, where diameter of a circular path described by rotation of the rotor fin is less ...
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JP5767367B1 |
To provide an energy-saving ship having increased speed by increasing the propulsive force of a screw. A rear end of a seawater guide plate 2 is butterfly-attached to both sides of a front part of a screw 1, and the front end can be free...
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JP2015120487A |
To provide a hub eddy suppressing device and ship capable of effectively suppressing a hub eddy without greatly increasing propulsion resistance.A hub eddy suppressing device 10 for suppressing the generation of a hub eddy behind a boss ...
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JP5737739B2 |
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JP5721110B2 |
The invention relates to a multidirectional propulsion system for ships, including a mechanical hypocycloid transformer, which comprises a drive system (100) of the mechanical hypocycloid transformer type and which performs two basic fun...
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JP5721675B2 |
The propeller nozzle (100) has a nozzle (10) and a propeller (20) with multiple propeller blades (22). A flow guiding unit is provided for directing a portion of the flow edge on the propeller surface, and is arranged in the immediate vi...
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JP2015085078A |
To provide a human body wearing fin in which sufficient propulsion power can easily be obtained by arm power.A human body wearing fin includes a pair of right and left wing parts 10, 10, and a body wearing part 20 for swingably supportin...
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JP2015074434A |
To provide a propulsion unit which includes a rudder plate with a valve and sufficiently improves the propulsion efficiency of a ship with an easy structure.A propulsion unit 1 includes: a rudder plate 21 which is provided at the rear si...
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JP5690564B2 |
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JP2015030456A |
To provide an amphibian automobile which can elongate a life of a component with no generation of cavitation during traveling on water.An amphibian automobile comprises: a pair of piston propulsive bodies 200, 300 mounted on the bottom f...
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JP5661749B2 |
The present invention relates to a rim driven propeller unit for a vessel, where a number of permanent magnets (4) are arranged round the propeller unit's rotatable rotor housing (1), comprising a number of propeller blades (3), and a nu...
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JP2014231351A |
To provide interesting tool and plaything which allow a user to use physical strength and which are configured by focusing to easiness of popularization and by a simple and inexpensive structure, in a modern society that people have less...
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JP5614682B2 |
To provide an adhesion structure in liquid and an underwater moving apparatus using the same.The adhesion structure 1 includes a base 2 and a bubble holding part 3 comprising protrusions formed on the base 2. The bubble holding part 3 ho...
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JP2014180930A |
To provide a vibration control bush for rotation shafts which has a reduced spring constant of an elastic body for suppression of a shift shock, eliminates the need of a torque limiter with a slip mechanism separately and allows eliminat...
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JP2014173552A |
To provide a propeller/screw/blade for improving propulsion efficiency in the screw used in a marine and a turbine blade of a propeller used in an airplane and a wind power generation.Eddy current generated from a blade tip of a turbine ...
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JP2014169017A |
To provide a propeller for propulsion of a craft capable of suppressing cavitation of tip vortex.The propeller for propulsion of a craft comprises a propeller blade 3a having a groove 11 on its back surface. The groove is formed between ...
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JP2014156193A |
To provide a rudder horn for improving propulsion performance of a ship.A propeller back stream rectifier 8 comprises a rudder horn 12 which is disposed at the rear of a propeller 20 of a body 30, supports a rudder 16 in a manner that th...
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JP2014156185A |
To provide a rudder horn for improving propulsion performance of a ship during steering.A propeller back stream rectifier 10 comprises a rudder horn 12 which is disposed at the rear of a propeller 20 of a body 30, and supports a rudder 1...
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JP5579824B2 |
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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JP2014519449A |
Disclosed are a propulsion device for a ship and a ship having same. The propulsion device, according to an embodiment of the present invention, comprises: a rear propeller fixed to a driveshaft; a front propeller positioned in front of ...
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JP2014118096A |
To provide a marine propulsion device that has great improvement effect by integrating the versatility and implementation cost without being affected by the size and speed of a ship, when generally examining an effect as a propulsion dev...
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JP5524496B2 |
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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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JP5496563B2 |
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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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JP2014076776A |
To obtain a water surface traveling machine formed by a simple structure.A water surface traveling machine 100 includes: a pedal 21 which receives a driving force and thereby rotates around a virtual rotation axis; blade members 62 which...
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JP5468377B2 |
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JP5463333B2 |
The method involves setting the electrical power of the wind park or one or more wind power systems in a range of 0 to 100 per cent of the available power by means of a data processing device connected to at least one wind power system c...
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JP5457110B2 |
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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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JP5445879B2 |
A trochoid propulsion system includes wheels provided at three points of the outer edge of an outer wheel part that turns around a driving shaft; and a steering link part that co-rotates with the action part and is movable horizontally o...
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JP5441488B2 |
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JP5432606B2 |
A thrust generating apparatus 10 is provided under water and configured to generate thrust by ejecting the water. A rotor main body 43 includes: a first member 48 including a side surface and outer peripheral surface which are opposed to...
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JP5405872B2 |
Provided is a ship propulsion device which comprises a screw propeller using a fin-equipped propeller boss cap, the ship propulsion device having better workability and less weight than a ship propulsion device using a propeller boss cap...
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JP2014015159A |
To provide a propeller blade body which is reinforced with high shape precision inexpensively by a relatively simple work, particularly, a front edge portion of which is sufficiently reinforced, and a method of manufacturing the blade bo...
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JP2014501652A |
A propeller used in aircraft/sea vessels, pumping systems, wind and hydraulic turbines is provided. Propeller blades are distributed around the propeller hub and positioned so as to set an angle with the axis (x) of the propeller hub, to...
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JP5388184B2 |
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