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JPH02237892A |
PURPOSE: To freely control the movement of a hull by forming an annular body by setting the opposed sides among a plurality of square-shaped superconductive coils 1 and arranging said annular body in a hull and arranging at least a pair ...
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JPH02208193A |
PURPOSE: To enable playing of various marine sports and spending of leisure by a method wherein a water jet engine is mounted to the boat bottom, a handle part is protruded rearwardly of a part of a ship hull, and a user rides on other w...
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JPH02100993U |
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JPH0299093U |
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JPH0299094U |
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JPH0299096U |
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JPH0299095U |
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JPH0297196U |
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JPH0296400U |
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JPH02179592A |
PURPOSE: To obtain the simple drainage device constitution by forming a recessed step difference on the ship bottom of a water skie, etc., and outward opening the drain port edge part of a bilge hose for draining the bilge water in a ves...
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JPH0286899U |
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JPH0283196U |
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JPH0282690U |
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JPH0282697U |
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JPH02162192A |
PURPOSE: To easily switch the advance and reverse by providing a bottom opening on the bottom wall of a discharge duct, providing a diverging plate fitted with its rear end to the rear edge of the opening obliquely erectably, and interlo...
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JPH02162195A |
PURPOSE: To allow the direction change, lateral movement and rotation of a vessel by defining water passages extending through rotatable members with duct members, and adjusting propulsion apparatuses with rotation adjustment sections so...
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JPH0275297U |
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JPH0275296U |
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JPH0275396U |
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JPH02147495A |
PURPOSE: To provide a high output and suppress the cost by forming an impeller from a plurality of impeller elements oriented in the axial direction in such an arrangement that the blades of each element do not interfere in the axial dir...
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JPH0219358Y2 |
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JPH02128993A |
PURPOSE: To enhance the propulsive efficiency by allowing an inner and an outer nozzle to make relative rotation at the time of high speed cruising, providing the nozzles each with a plurality of holes which are not identical to each oth...
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JPH02127187A |
PURPOSE: To guide water into an inlet port with an inlet port housing being projected to the lower part from a ship's bottom as well as to keep off any drop in a thrust due to racing even in the case where the bottom has been tilted at t...
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JPH0264497U |
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JPH02124395A |
PURPOSE: To enhance the propulsive efficiency by forming a nozzle for jetting pressurized water in double construction, wherein a minor dia. nozzle and a major dia. nozzle are concentrically arranged inside and outside, moving the two no...
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JPH02124393A |
PURPOSE: To sense generation of abnormality certainly by calculating the efficiency of a pump on the basis of the water temp. difference between a suction part and a nozzle, computing the amount of its drop, and displaying eventually tha...
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JPH0260698U |
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JPH0254698U |
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JPH0277391A |
PURPOSE: To surely discharge bilge water in the title device for a small-sized on-water sliding sport by providing an intermediate shaft bearing case on a drive shaft, and disposing a centrifugal pump for drainage. CONSTITUTION: An inter...
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JPH0225391U |
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JPH0219700U |
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JPH0212998U |
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JPH01161999U |
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JPH01503290A |
PCT No. PCT/IT86/00072 Sec. 371 Date Jan. 23, 1989 Sec. 102(e) Date Jan. 23, 1989 PCT Filed Sep. 24, 1986 PCT Pub. No. WO88/00903 PCT Pub. Date Feb. 11, 1988.Propulsion for boats (10) by jets of compressed air inside a pair of parallel l...
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JPH01278898A |
PURPOSE:To make the turning and backing of a boat freely performable as well as to simplify this water-jet pusher device in structure by installing each bucket, for selecting the flow direction of a water-jet stream, at both sides of thi...
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JPH01158294U |
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JPH01273785A |
PURPOSE:To reduce a reaction force exerted on a splitter by means of water jet, by a method wherein a movable cut water type splitter inserted and retracted in a wedgeform manner in and from water jet is situated in a flow passage switch...
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JPH0150639B2 |
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JPH01154097U |
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JPH01262291A |
PURPOSE:To keep off the occurrence of hull's pitching as well as to make a hull position keepable in stable horizontally all the time by driving and controlling a deflector attached to an injection nozzle end free of vertical rotation wi...
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JPH01262290A |
PURPOSE:To improve the nozzle efficiency by setting up two injection nozzles different in each opening diameter concentrically, while making a small diametral injection nozzle shiftable in the axial direction with a hydraulic piston- cyl...
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JPH01262289A |
PURPOSE:To enable quick starting by spraying a partial water jet pressurized by a pump impeller to the inside of a water duct of a front flow part of the pump impeller at the time of low headway by a water nozzle, and avoiding any cavita...
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JPH01145598U |
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JPH01237345A |
PURPOSE: To prevent fuel gas from flowing back in an apparatus for generating chemical heat energy by using a continuous fuel sheet containing solid components by surrounding a delivery passage of the continuous fuel sheet with an integu...
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JPH01134599U |
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JPH01133096U |
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JPH01132496U |
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JPH01132497U |
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JPH0129199Y2 |
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JPH0129200Y2 |
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