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JP4812231B2 |
The present invention relates to a jet propulsion unit (1) for propulsion of a waterborne craft comprising at least one impeller pump (3) with a pump housing (4) in which an impeller shaft (22) or ajournal (21) connected to said impeller...
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JP2011218915A |
To provide a propeller-water-flow improving device capable of enhancing a propulsion efficiency of a ship by efficiently using the eddy water flow in propeller rear flow of a ship.For efficiently using the propeller-water-flow on which n...
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JP2011207467A |
To provide a propulsion device capable of stabilizing position of a seabed not-fixed type windmill of an offshore wind power generation facility and capable of moving in omnidirection.The propulsion device includes a spherical propulsion...
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JP2011195127A |
To perform turn-around with effective small turn and to attain high operability by attaining a structure having a water jet capable of injecting a jet stream to a rear side on both right and left wings respectively since needs relative t...
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JP2011189847A |
To provide a marine vessel with a jet propulsion device which acquires a stable propulsive force during a reverse drive.A water jet propulsion watercraft 1 includes: a hull; jet propulsion devices 3L, 3R; buckets 28L, 28R; an accelerator...
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JP4783945B2 |
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JP4762404B2 |
To provide a jet-propelled planing boat capable of maintaining the steering operation of the boat even if the jet amount of a water from a water jet pump is reduced with the OFF-operation of a throttle when steering operation means is op...
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JP4755552B2 |
To provide a small watercraft capable of suppressing vibration and noise of a vessel body, a jet pump is mounted to a hull via a thrust plate. A dynamic damper is disposed as an adjunct at a plate mounting portion that attaches the thrus...
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JP4749094B2 |
To provide a small planing boat on which cables provided in a body are favorably wired. This small planing boat is furnished with a body 2 having a hull 3 and a deck 4, a deck opening part 7 formed on the deck 4, a hood 22 to close the d...
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JP4749534B2 |
A jet-propulsion watercraft, comprises a steering position sensor for detecting a steering operation of a steering operation means. A steering means adapted to be subjected to a steering assist mode control, when a signal indicating that...
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JP4738632B2 |
A watercraft includes an improved braking device to assist slowing the watercraft when operated. The braking device includes a baffle plate and a guide plate. The baffle plate is movable between a non-braking position and a fully braking...
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JP2011144669A |
To solve the following problems: since by abnormal weather, abnormal dryness, a forest fire, drought and concentrated heavy rain are increased and fishes are dramatically reduced, it is necessary to remarkably increase human foods such a...
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JP2011144678A |
To solve the following problems: since by abnormal weather, abnormal dryness, a forest fire, drought and concentrated heavy rain are increased and fishes are dramatically reduced, it is necessary to remarkably increase human foods such a...
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JP2011520691A |
A marine propulsion system comprising, in one embodiment: a fuel-filled tank; an air compressor that generates compressed air; an engine that receives fuel from the tank, wherein the air compressor is powered by the engine; and at least ...
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JP2011122433A |
To solve the following problems: since by abnormal weather, abnormal dryness, a forest fire, drought and concentrated heavy rain are increased and fishes are dramatically reduced, it is necessary to reduce CO2 emissions from an electric ...
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JP2011122436A |
To solve the following problems: since by abnormal weather, abnormal dryness, a forest fire, drought and concentrated heavy rain are increased and fishes are dramatically reduced, it is necessary to reduce CO2 emissions from an electric ...
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JP2011122437A |
To solve the following problems: since by abnormal weather, abnormal dryness, a forest fire, drought and concentrated heavy rain are increased and fishes are dramatically reduced, it is necessary to reduce CO2 emissions from an electric ...
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JP2011122434A |
To solve the following problems: since by abnormal weather, abnormal dryness, a forest fire, drought and concentrated heavy rain are increased and fishes are dramatically reduced, it is necessary to reduce CO2 emissions from an electric ...
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JP2011122435A |
To solve the following problems: since by abnormal weather, abnormal dryness, a forest fire, drought and concentrated heavy rain are increased and fishes are dramatically reduced, it is necessary to reduce CO2 emissions from an electric ...
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JP2011117297A |
To solve the problem that fishes are required to be proliferated in the conditions that mountain fires due to abnormal dryness, droughts and torrential rains are increased with abnormal climates to greatly reduce fishes, while eliminatin...
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JP2011117298A |
To solve the problem that fishes are required to be proliferated in the conditions that mountain fires due to abnormal dryness, droughts and torrential rains are increased with abnormal climates to greatly reduce fishes, while eliminatin...
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JP2011117289A |
To solve the problem that fishes are required to be proliferated in the conditions that mountain fires due to abnormal dryness, droughts and torrential rains are increased with abnormal climates to greatly reduce fishes, while eliminatin...
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JP2011117288A |
To solve the problem that fishes are required to be proliferated in the conditions that mountain fires due to abnormal dryness, droughts and torrential rains are increased with abnormal climates to greatly reduce fishes, while eliminatin...
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JP2011117287A |
To solve the problem that fishes are required to be proliferated in the conditions that mountain fires due to abnormal dryness, droughts and torrential rains are increased with abnormal climates to greatly reduce fishes, while eliminatin...
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JP4699282B2 |
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JP2011102058A |
To provide a novel jet propulsion mechanism as a moving means utilizing an existing power sprayer, which is lightweight enough to enable a person to carry and easily use.A pump 1 uses the existing power sprayer having a rotary blade for ...
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JP2011515279T |
The present invention is a system and a method of starting a water jet propulsion system for vessels, Stator shell (1) which has a nozzle (4) which carries out a termination at an exit (5) which the above-mentioned propulsion system was ...
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JP2011098711A |
To provide a propulsion system for a ship for largely improving maneuverability and safety of a vessel.This propulsion system 30 for the ship includes a flow introducing cover 32 having a channel for passing a water flow, a propelling ma...
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JP4684482B2 |
To improve durability of a rubber sleeve for connecting division end parts of exhaust pipes to each other. The exhaust pipes 43 and 44 of an engine 20 are divided in the longitudinal direction on the way thereof, and both the division en...
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JP4680651B2 |
An open/close valve can decrease the exhaust resistance as much as possible in a usual operation. An open/close valve includes a valve casing and a valve element that is housed in the valve casing in a vertically movable manner. The valv...
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JP4680653B2 |
A drive shaft supporting structure for a small boat is provided which permits simplification of a hull and for which manufacturing productivity is increased. The drive shaft supporting structure includes a shaft-supporting member for rot...
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JP2011089413A |
To solve the following problems: since by abnormal weather, abnormal dryness, a forest fire, drought and concentrated heavy rain are increased and fishes are dramatically reduced, it is necessary to reduce CO2 emissions from an electric ...
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JP2011089398A |
To solve the following problems: since by abnormal weather, abnormal dryness, a forest fire, drought and concentrated heavy rain are increased and fishes are dramatically reduced, it is necessary to reduce CO2 emissions from an electric ...
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JP2011089397A |
To solve the following problems: since by abnormal weather, abnormal dryness, a forest fire, drought and concentrated heavy rain are increased and fishes are dramatically reduced, it is necessary to reduce CO2 emissions from an electric ...
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JP4676313B2 |
To provide a nozzle driving device in which a push-pull-cable is not required between a converter and an operated part for a nozzle and a water-proof countermeasure can be easily attained. A nozzle driving device 10 comprises a converter...
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JP4678923B2 |
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JP4676318B2 |
To provide a pull cable operation device capable of sufficiently securing a pulling margin of a pull cable and carrying out work to pull the pull cable from the side of a grip member. This pull cable operation device 13 is furnished with...
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JP4674841B2 |
To further improve the operating performance of a ship. The propulsive device 12 comprises a motor 14 mounted on a hull 3, a battery for supplying electric power to the motor 14, jetting means 20 supported at the rear part of the hull 3 ...
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JP4663889B2 |
To provide a failure diagnostic device for a surface traveling ship capable of indicating a detailed failure diagnosis result even during traveling. This surface traveling ship 1 is provided with an indicating device 29 changing over and...
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JP4657444B2 |
To improve shore arrival property. Propulsion resistance of a hull 10 is increased by controlling moving bodies 23, 30, 33 mounted on the hull 10 slide so as to be projected in the water outside a boat by actuators 24, 31, 34 when thrott...
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JP4657427B2 |
The present invention provides a lightweight and simply-configured watercraft of a jet-propulsion type, which can maintain steering capability according to a cruising speed of the watercraft even while a throttle-close operation is perfo...
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JP4640885B2 |
To provide a jet propulsion-type pIaning boat having a steering means capable of steering in cooperation with a conventional steering mechanism in a jet propulsion-type planing boat capable of keeping the steering of the boat even in red...
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JP4636668B2 |
An impeller (22) for a marine waterjet propulsion system has blades (44) that are configured to reduce cavitation, vibration, noise and physical damage to the major components of the propulsion system or host vessel of installation. The ...
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JP4627129B2 |
To provide jet propulsion planing boat causing little clogging of a bypass passage by a foreign matter, and having a cooling passage capable of specifying a clogging place. This jet propulsion type planing boat has a water jet pump P dri...
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JP4628575B2 |
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JP4627130B2 |
To provide a small planing boat having an automatic cruise mechanism having no necessity of continuously operating an engine speed operation device in the same state. This engine speed operation device Ue of the small planing boat has an...
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JP4627131B2 |
To provide an exhaust structure of a jet propulsion type small planing boat capable of restraining a repelling sound by pulsation of exhaust gas, and further improving cooling efficiency of a water muffler. This exhaust structure of the ...
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JP4620633B2 |
An internal combustion engine for a small planing boat for preventing supercooling of the internal combustion engine before warm-up while enabling efficient cooling of the internal combustion engine after warm-up. An internal combustion ...
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JP4619515B2 |
To provide a jet propulsion type planing boat providing jet quantity according to the degree of steering and keeping it possible to steer the boat even when water jet quantity from a water jet pump decreases, without increasing the weigh...
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JP4606571B2 |
To provide a small planing boat comprising an assembling structure of a steering position detection sensor allowing the steering position detection sensor to be assembled easily and efficiently such that the steering position detection s...
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