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JPH0948394A |
To provide a propulsion nozzle driving device enabling an fluctuation angle of a propulsion nozzle to be changed provided in a small ship device by grip lever part quickly and surely. A propulsion nozzle driving device is equipped with a...
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JPH0911985A |
PURPOSE: To provide a water jet propeller capable of selectively employing an auxiliary jet nozzle and auxiliary water absorbing port with a simple structure so that a thrust and fuel consumption are improved and cost is reduced. CONSTIT...
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JP2522026Y2 |
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JP2521737Y2 |
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JP2522290Y2 |
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JPH092388A |
PURPOSE: To provide a water jet propulsion device capable of vertically changing the direction of water jet flow from a jet nozzle by a simple structure, changing the amount of water to be sucked, improving the propulsive force and the f...
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JPH092374A |
PURPOSE: To prevent a boat from being rolled in the right-to-left direction even when only one member of a crew is on board, and to facilitate getting-on and getting-off from the stern side. CONSTITUTION: A water jet propulsion device 5 ...
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JPH092386A |
PURPOSE: To provide a water jet propulsion system capable of changing the sectional area of an opening of an injection nozzle itself by a simple structure, improving the propulsive force and the fuel consumption, and reducing the cost. C...
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JPH08332994A |
PURPOSE: To prevent refuse from biting into an underwater screw and make water jet force controllable regarding a robot for cleaning a culture net, the bottom of a ship, a marine petroleum storage tank, and the like. CONSTITUTION: Reacti...
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JPH08324491A |
PURPOSE: To sufficiently take seawater into intake ports by respectively forming the intake ports on bottom surface on both sides of a hull body part, and providing fin parts on both sides of respective intake ports in the horizontal dir...
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JP2559942B2 |
PURPOSE: To simplify assembly and increase liquidtightness of a pump water flow passage by providing structure wherein the engaging part of a seal member is positioned in a state to be engaged with the part to be engaged of a flange part...
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JPH08310479A |
PURPOSE: To secure a astern device of a water jet boat, capable of securing efficient and large backing power, and being good in appearance, aside from high performance and inexpensiveness. CONSTITUTION: In this water jet boat which take...
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JP2552578B2 |
PURPOSE: To provide a ship serial jet propelling device which can obtain high speed and effectively function against a high wave and almost prevent the generation of a navigation wave by swallowing pressure water jetted immediately after...
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JP2552611B2 |
PURPOSE: To provide a deflector device for a water-jet propulsive ship having a nozzle section area adjusting function and a water-jet direction changing function. CONSTITUTION: A pair of stationary guide plates arranged oppositely up an...
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JPH08295290A |
PURPOSE: To provide a propulsion unit of a hydrovehicle, capable of altering the extent of propulsive performance according to a progress status. CONSTITUTION: A propulsion unit of a hydrobike 1 draws in water from a water inlet port 28 ...
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JP2515096Y2 |
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JPH08244687A |
PURPOSE: To stably keep the course of a water jet-propelled ship receiving large wind pressure without using a check helm having large propulsion resistance for floating navigation. CONSTITUTION: Stabilizing fins 4A, 4B rotatable around ...
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JPH08244684A |
PURPOSE: To suppress the generation of the collision loss caused by the protrusion of guide vanes on the flowing water surface and reduce the frictional loss caused by a slight flow velocity reduction when the machining and assembling er...
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JPH08230782A |
PURPOSE: To improve the propulsive force of a jet propulsion equipment by reducing the clearance between an impeller housing and an impeller. CONSTITUTION: In an impeller housing 10, a film 12 to be cut by the rotation of an impeller 80 ...
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JP2525387B2 |
PURPOSE:To make it being surely showable to other ships, by taking in water through a conduit from a water intake during boat sailing, and making the water so as to be jetted upward from a nozzle at a stern part. CONSTITUTION:A pump 8 is...
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JP2507533Y2 |
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JPH08207881A |
PURPOSE: To increase the stability, of a hull by providing a seat base extending in longitudinal direction of a hull over a connecting part located at the lateral center part of the hull on a boarding part located forward side of a drive...
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JP2523407B2 |
PCT No. PCT/DE90/00379 Sec. 371 Date Jan. 23, 1991 Sec. 102(e) Date Jan. 23, 1991 PCT Filed May 23, 1990 PCT Pub. No. WO90/14265 PCT Pub. Date Nov. 29, 1990.An apparatus is disclosed for the propulsion of water vehicles. A magnet field a...
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JP2522502B2 |
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JPH08177797A |
PURPOSE: To form a water surface of a flat plane in an observing part even by a high speed water flow by increasing flow speed by forming a gradually reducing part on the upstream side of the observing part, and forming its upper wall in...
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JPH08175496A |
PURPOSE: To prevent the front part of an engine colliding against the ship's bottom at the time of loading a hull with the engine through a buffer body. CONSTITUTION: A stopper 34 for limiting vertical movement of an engine 6 is arranged...
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JPH08175493A |
PURPOSE: To make it easy to remove a drive shaft and to support it without being influenced by the vertical motion of an engine by piercing the midway portion of the drive shaft through the cylinder part of a propulsion device housing an...
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JPH08169394A |
PURPOSE: To enable a passenger similarly to a driver to ensure a front field of view and enjoy a feeling of running a boat without a large-scaled hull. CONSTITUTION: A steering handle 2 and grab bar 3 gripped by one are disposed side by ...
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JPH08156883A |
PURPOSE: To prevent the rotational speed from varying caused by the external water or the like and improve detecting accuracy by covering the front and at least the upper front of a paddle in the flowing direction of fluid with a cover m...
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JPH08156884A |
PURPOSE: To maintain always the optimum trim position by detecting the condition of water suction port through a suction port condition detecting means and controlling a trim angle varying action of a trim angle varying mechanism with a ...
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JP2501651B2 |
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JPH08127394A |
PURPOSE: To provide a lubricating oil cooling structure in a water jet eliminating necessity for ensuring in a ship body side a space of setting up an oil pump to be capable of easily further efficiently cooling lubricating oil. CONSTITU...
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JPH08127392A |
PURPOSE: To provide an intake bar structure in a water jet capable of preventing as far as possible decreasing jet driving force and infiltrating foreign matter of causing various troubles. CONSTITUTION: In a stern part of a hull 22 moun...
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JPH08127393A |
PURPOSE: To provide an intake block structure in a water jet wherein corrosion due to electrocorroding an internal wall use cylindrical member is prevented to facilitate replacing it and to improve workability of maintenance. CONSTITUTIO...
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JPH08113193A |
To reduce or eliminate the resistance of water to enhance the performance of a pump by disposing first and second impellers respectively in the middle and rear of a casing, providing a second impeller shaft inside a first impeller hollow...
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JPH08108894A |
PURPOSE: To protect a backing means by judging whether the operation of a backing means is right or wrong on the basis of the rotating speed of a driver for a water jet pump and the operating position of the backing means. CONSTITUTION: ...
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JPH08104293A |
PURPOSE: To improve high speed performance by providing an air introduction port ahead of an impeller and communicating the air introduction port with an air supply control means for controlling the air supply amount in accordance with r...
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JPH0880897A |
PURPOSE: To immediately stop a vessel by carrying out the water injection forwardly particularly in emergency, as for an emergency vessel stop device. CONSTITUTION: At the bow part of a hull 2, a water injection nozzle 6 which is opened ...
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JPH0872790A |
PURPOSE: To supply water to a fish preserve, discharge water therefrom or supply water to a water jetting means without weakening the strength of a hull by simple operations. CONSTITUTION: A water jet propelled boat is provided with a wa...
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JPH0874602A |
PURPOSE: To obtain a gas turbine cogeneration system which does not necessitate a heating source from an outside, and improves heat efficiency and arrangement efficiency. CONSTITUTION: A gas turbine cogeneration system has a flush type d...
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JPH0872795A |
PURPOSE: To provide a miniaturized and lightened water jet propeller device without generating cavitation while improving efficiency and silence by engaging a fixed scroll element and movable scroll element with each other to constitute ...
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JPH0867296A |
PURPOSE: To provide a water jet propulsive boat wherein reducing a cost is attained by eliminating a bulkhead also to facilitate arranging an exhaust pipe and cables further to attain improving workability of inspecting an engine and ins...
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JPH088339Y2 |
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JPH0858690A |
PURPOSE: To propel a ship by jetting into water a reaction product generated due to chemical reaction between a reaction metallic material and water. CONSTITUTION: After a cover 21 is removed and a container 20 is loaded internally with ...
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JPH0858688A |
PURPOSE: To facilitate assembling of a Pressurizing casing to constitute a marine pump jet propulsion device, and increase the rigidity of the casing. CONSTITUTION: Water drawn through a suction port 20 formed at a center on the lower su...
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JPH0858689A |
PURPOSE: To gradually change the direction of water drawn into the suction port of a marine pump jet propulsion device for preventing lowering of suction efficiency. CONSTITUTION: Water drawn through a suction port 20 formed at a center ...
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JPH086714Y2 |
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JPH0848295A |
PURPOSE: To provide a compact light steering gear functioning both as a deflector and reverser by swinging a bucket by a specific angle and allowing water jetted from a water jet propeller to abut against the side of a deflecting plate i...
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JPH0840375A |
PURPOSE: To use an underwater jet engine for civil requirements by facilitating loading and replacement of a fuel body in the case of driving by the reducing reaction of water and metal. CONSTITUTION: An underwater jet engine uses a main...
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JPH0840374A |
PURPOSE: To provide a water jet propulsion unit, by which cavitation is made hard to occur, and a swirl flow at the time of jetting water by a propeller is straightened efficiently without any increase in resistance. CONSTITUTION: A cont...
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