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JP6466061B2 |
To prevent the generation of resonance and resonance sound caused by the generation of a Karman vortex in a water stream flowing over the surface of a propeller blade.An outer surface of at least a rear edge part 3a of a propeller blade ...
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JP2019014367A |
To provide a cap member of a ship propeller, propeller-type propulsion unit, ship and reducing method of a filler amount of rust preventing grease capable of reducing the filler amount of the rust preventing grease to fill inside the cap...
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JP2019011011A |
To provide an unmanned vessel with swift response to control, small load to a driving system and furthermore capable of easily controlling direction of travel.An unmanned vessel 1 includes underwater units (10, 20a) having thrust generat...
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JP6448301B2 |
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JP2018537339A |
A screw-driven assembly (5) provided by the present invention that transmits torque between an engine of a surface vessel and at least one screw, which comprises a plurality of lubrication clients, is provided with at least one first lub...
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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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JP2018172081A |
To provide a hub vortex control device, a hub vortex control steering, and a vessel for improving propulsion performance by rectifying and recovering disturbed flow caused by a hub vortex.A hub vortex control device includes: a propeller...
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JP2018154199A |
To suppress occurrence of vibration or deterioration in efficiency by reducing flowing in amount of air bubbles to a propeller in a vessel.A bottom 13 is provided at least with a bottom inclination surface 61 where draft becomes deeper t...
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JP6364683B2 |
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JP2018520016A |
To provide a fish robot capable of swimming closer to a natural fish in addition to being optimized for waterproofing without exposing the body joint of the fish. A fish robot according to the present invention has a head unit correspond...
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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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JP2018075702A |
To provide a multi-joint fish robot capable of rapid acceleration propulsion, which can maximize propulsion with respect to a swimming direction of the fish robot and minimize water resistance thereby improving swimming speed and energy ...
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JP2018069885A |
To provide an amphibian motor car without increase of vehicle weight.There is provided a vehicle 10 which is an amphibian vehicle, comprising: a drive source 13 for generating power; driving wheels 14 for traveling on a land which are dr...
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JP2018039411A |
To provide a propeller boss cap with a fin for which a cost of manufacture can be reduced compared with conventional one.A propeller boss cap 1 with fin comprises a boss cap 2 which is a weldment structure of an iron plate, plural fins 3...
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JP6267173B2 |
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JP6251579B2 |
There is provided a box structure for carrying load having upper and lower composite integrated sandwich panels. The panels have facesheets sandwiching one or more core portions and adjacent dense packs oriented in an axial direction. Th...
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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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JP6210491B2 |
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JP3212703U |
[Subject] Provide a propeller for land, water surface, and diving 3 which can be used for land, the water surface, and an underwater advance. [Means for Solution] Rim 1 and Wheel axle 12 used for pivoting to a vehicle in a center positio...
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JP6204709B2 |
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JP2017154576A |
To provide a horizontal-shaft rotor which makes power low and makes rotation efficiency high, and which rearward flows a high-speed flow associated with a Coanda effect brought about by rotation of a blade, without pushing out a fluid by...
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JP6186549B2 |
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JP2017132458A |
To provide a two-stage shaft sleeve for screw for boat and a screw for boat mounted with the same.A two-stage shaft sleeve 40 of a screw for boat has a first transmission member 50 and a second transmission member 60. The first transmiss...
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JP6158331B2 |
A ring propeller for a thruster includes a ring and a centre element. The ring propeller also includes at least one propeller blade extending between and attached to the centre element and the ring the at least one propeller blade compri...
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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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JP6140296B2 |
A propeller having a central post to which one or more blades are connected. The blades are disposed and configured to pull air in from the propeller's sides toward the propeller's axis of rotation to create pressure in an area in the vi...
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JP6140340B2 |
A propeller having a central post to which one or more blades are connected. The blades are disposed and configured to pull air in from the propeller's sides toward the propeller's axis of rotation to create pressure in an area in the vi...
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JP2017081260A |
To provide a wing tip structure that increases lift by suppressing various lift decrease caused by the vortex generated at the end of the leading and trailing edge wing tips flowing from the lower surface under positive pressure to the t...
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JP6122294B2 |
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JP6118104B2 |
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JP6112649B2 |
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JP2017026319A |
To provide a propeller curve surface shape recording tool capable of securing an intensity of each contact element even when the number of contact points is increased in the tool for recording the shape of a propeller surface by contact ...
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JP2016536508A |
The present invention is the method of using a device and the device concerned for moving gas or a fluid to another position from a certain position. It has this device to each of at least one plane rigidity braid and plane rigidity brai...
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JP6019337B2 |
Object is to improve the stability of an electric vehicle that floats on the water surface. The electric vehicle includes a front wheel, a rear wheel, a vehicle-cabin forming portion, a door member, and a metallic frame. The frame suppor...
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JP6017154B2 |
A rotary hydraulic actuator includes a housing (12) defining an internal chamber (30), a first boss (32), and port block (44) with a bore (46) communicating with the chamber. The port block (44) further includes a rotor supply port (50) ...
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JP6001085B2 |
Disclosed is an underwater exploration system using a multi-joint underwater robot having a novel complex movement concept in which the multi-joint underwater robot moves through walking or swimming with multi-joint legs closely to a sea...
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JP5997408B1 |
[Subject] A ship propeller of an assembly type which can change a pitch of a propeller shuttlecock easily is provided. [Means for Solution] A propeller shuttlecock in which a ship propeller contains a shuttlecock flange, and a propeller ...
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JP5979018B2 |
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JP2016117457A |
To provide a rotary electric machine that is able to easily form a rotor part and a stator part while restricting the thickness of the duct in a radial direction.This rotary electric machine 100 comprises: a cylindrical duct 1; and a rim...
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JP5927443B2 |
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JP5925997B2 |
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JP5923179B2 |
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JP2016513600A |
A propeller has many braid sides or winglets which are most prolonged spirally in the surroundings of the axis of rotation in a streamlined form. A winglet was projected in arc shape in distance which becomes large on the outside gradual...
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JP2016068610A |
To provide an electric propulsion unit capable of changing a generation direction of propulsion power while inhibiting increase in size.An electric propulsion unit comprises: a cylindrical duct 2 functioning as a stator; a rim functionin...
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JP2016043913A |
To obtain cruising speed greater than cruising speed generated by propulsion means of a ship body and also to make the ship body cruise while consuming less energy than that generated by the propulsion means of the ship body, by utilizin...
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JP5877896B2 |
Disclosed are a ship propulsion device and a ship having the same. According to one embodiment of the present invention, the ship propulsion device includes a rear propeller fixed on a drive shaft; a front propeller supported on a drive ...
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JP5872255B2 |
A marine vessel propulsion device (1) includes a bracket (2) that is attachable to a marine vessel (V1), a duct (12) that is rotatable around a steering axis (A1) with respect to the bracket (2), a propeller (6, 206, 406, 606, 706) that ...
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