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JP2002205689A |
To provide an inlet grid mechanism for seaweed removal operated by an operator of a ship when necessary without sucking seaweed and dirt into pump jet.The inlet grid mechanism for seaweed removal operated by pushing or pulling a cable or...
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JP3305522B2 |
PURPOSE: To provide a steering gear of a jet propulsion boat which can improve the operability of switches or the like and reduce the number of part items and cost while improving the attractiveness. CONSTITUTION: A steering handle 7a is...
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JP2002193185A |
To provide a surfboard with an engine improved in getting-on/off performance by suppressing the height of a boat body rear part low while ensuring high turning performance, having excellent controllability being able to take a free ridin...
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JP2002195111A |
To provide an intake air cooling device for a small ship capable of suppressing rising of intake air temperature due to engine heat, and as a result, preventing deterioration of engine output due to deterioration of charging efficiency w...
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JP3298760B2 |
PURPOSE: To provide a surface cruising boat capable of performing detaching and attaching works and maintenance and inspection easily even when a large engine is used. CONSTITUTION: In a surface cruising boat 1 in which a steering wheel ...
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JP2002188537A |
To provide a fuel supplier for a small ship which can avoid inferiority of starting generated by an increase of pressure in a fuel tank.In this fuel supplier for a water vehicle (small ship), mounting an engine 10 and a fuel tank 9 in a ...
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JP2002178988A |
To provide an astern device for a boat of water jet propelling type capable of keeping excellent the comfortableness to be in a boat to serve when a reverse bucket is moved for changing from the forward propelling condition of the hull t...
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JP2002178987A |
To provide a jet propeller having a high efficiency of such a structure as capable of suppressing generation of a flow perpendicular to the propelling direction not contributing to the propelling force, vortex, vigorous vibration, noises...
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JP2002180861A |
To provide a small-sized planning boat having so-called cruise control function allowing cruising at a constant speed or at a constant engine speed without the need for a rider to keep throttle operation.The jet propelling small-sized pl...
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JP3290037B2 |
PURPOSE: To utilize space in a vessel effectively, and provide favorable weight balance of a hull. CONSTITUTION: In an engine exhaust structure of an engine for a small vessel having a propeller at a bottom at a stern, and an engine 3 fo...
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JP2002161800A |
To provide a water jet propulsion boat in which a failure diagnosis or the like can be conducted easily.In the water jet propulsion boat, the revolution of an engine, throttle opening, cooling water temperature, cooling water pressure, e...
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JP2002155721A |
To prevent unnecessary increase in consumption of lubricating oil for an internal combustion engine, and to prevent a propulsion device from upsizing, when blow-by gas is burned by returning to an internal combustion engine through an in...
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JP2002154482A |
To reduce exhaust noise without lowering engine performance.Sound insulating plates 30, 30' forming a gap t for discharging an exhaust gas while shielding most part of a space S between the inner surface of a pump chamber 6 and the outer...
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JP2002154479A |
To provide a remote control system of a motored-surf board usable in the hand free state and a transmitter used therein.A signal from the transmitter 34 fitted to one hand of a crewman of the motored-surf board 1 formed by accommodating ...
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JP2002145182A |
To provide the cover structure of a baggage compartment for a surface vehicle with high usability so as to be capable of being operated by a seated operator without damaging appearance and restricting arrangement of other instruments.Thi...
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JP2002145181A |
To provide container structure for a surface vehicle with increased housing volume by effectively utilizing a hull space without enlarging full structure or decreasing the workability of maintenance, checking, servicing.This container st...
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JP2002145192A |
To provide fuel tank structure for a surface vehicle capable of exhausting water accumulated in a fuel tank without detaching the tank from a hull, and enhancing fixing workability in mounting of a fuel supply unit.This fuel tank structu...
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JP2002513704A |
(57) [Summary] In the present invention, the rotor 46 is at least largely surrounded by the structure 54, and the rotor receives water at least in the lower part of the majority and gas in at least a part of the upper part. The gas flow ...
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JP2002115638A |
To prevent engine speed from lowering below an idle target speed even when the engine speed is higher than the engine speed in a transition running state and a throttle valve opening is near an idle opening in a case where a throttle lev...
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JP2002114193A |
To prevent the wrong operation of an overturn detecting sensor.An engine 6 is controlled not to be stopped by an engine control unit 28 under a condition that an engine speed is more than the engine speed in starting the planing, even wh...
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JP2002087385A |
To provide a corrosion-proof structure of a water jet propeller, capable of preventing cavitation damage to a blade due to bubbles.The corrosion-proof structure of the water jet propeller having an impeller 4 rotatably arranged in a hous...
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JP2002087389A |
To provide a side thruster device for a ship, used for lateral movement or turning control of the ship, reducing the weight of a water in a pipe and making effective use of a space in the ship by shortening the pipe for the side thruster...
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JP3269074B2 |
To cut and crush dust intruding into a pump and to prevent the choking of the pump by arranging an edge at an outlet side of a blade of a impeller of a jet generation pump close to an edge at an inlet side of a guide blade mounted on a r...
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JP2002068088A |
To provide a jet propulsion-type planing 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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JP2002030975A |
To provide an engine control method for a small planing device boat capable of preventing a catalyst from abnormally heating while keeping a planing state of the small planing boat.The temperature of air discharged from an engine 3 is de...
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JP2002029496A |
To rapidly discharge water injected into an engine room from an opening for engine inspection out of a ship with a bilge pump using the upper surface of an intake box reasonably.Recesses 52a, 52c, 52d, 52g, 52k, and 52p extending in the ...
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JP2002019698A |
To prevent a rear view mirror from becoming an obstacle when opening a hatch.The hatch 13 capable of opening a space inside a hull centered on a front end part is provided in a front part of the hull 1, and the rear view mirror 42 is att...
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JP2002021551A |
To secure a passage length of an independent exhaust passage in an exhaust passage to enhance an engine output, even in an exhaust pipe limited in a layout.This structure is provided with the independent exhaust pipes 31, 32 having the i...
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JP2002021662A |
To prevent the vibration and heat of an engine from easily transmitting to an electric component mounted in an intake box.The intake box 36 having the electric component 80 is arranged in the vicinity of the engine 6 mounted on the small...
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JP2002021589A |
To decrease mistuning in the open/closed condition of a plurality of throttle valves.A pulley 64 driven by a throttle wire 53 interlocking with the motion of a throttle lever 12a is mounted on the stem 61 of throttle valve in one positio...
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JP2002004851A |
To improve engine output.This small-sized plaining boat is provided with an independent exhaust passages 40a to 40d, which extend independently from respective exhaust ports 26a to 26d of a multi-cylinder engine 6, a collective exhaust p...
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JP2002002593A |
To provide a water lock structure for a small planing boat capable of ensuring a necessary and sufficient capacity for a water lock by embodying a rational arrangement of the water lock.A bulging portion 19B communicating to a main body ...
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JP2002002592A |
To provide an exhaust device for a small planing boat capable of protecting an engine by preventing the entry of water to the engine even when the small planing boat turns over to either of right and left sides.In this exhaust device for...
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JP3244223B2 |
To provide a dust removal device that effectively removes dust attached to a screen of a water intake in a water jet propelled ship. In a water jet propelled ship, a plurality of movable bars 7 are installed below a screen 8 arranged in ...
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JP3245023B2 |
To improve maneuverability and perform sufficient jump through simple constitution. In the bottom structure of a water jet propulsion boat wherein a jet pusher is installed at a stern bottom, a first stepper 61 consisting of a surface hi...
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JP3245293B2 |
PURPOSE: To provide a water planing boat wherein stability of a hull can be improved by lowering down the center of gravity of an engine while improving maintainability. CONSTITUTION: In a water planing boat 1 provided an impeller 15 on ...
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JP3243483B2 |
To propel a hull by providing the second gas exhaust nozzles on one or both of the center axis and the axial periphery of a water exhaust nozzle, condensing and returning the gas having driven a turbine to a selectable pressure gas feed ...
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JP2001349225A |
To reduce noise of an engine at on-shore racing time.A control means is provided for changing a maximum engine speed X1 of the engine 6 according to an operation state of the engine 6, and the engine 6 is operated in an optimal state acc...
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JP3239955B2 |
PURPOSE: To provide a jet propulsion device which suppresses noise caused by pulsation taking place within a water duct as much as possible without lowering pump efficiency. CONSTITUTION: In a jet propulsion device 31 for a small marine ...
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JP2001525753A |
A marine pump jet includes a rotor located upstream and in front of the rotor drive mechanism. The lower unit of the tractor pump jet has a rotor housing which substantially surrounds the rotor and a stator housing located downstream of ...
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JP2001328593A |
To improve a shore arrival property by reversely jetting a jet.By adjusting a jet amount, reversely jetting the jet generated in a jet propulsion machine 16 from reverse jet nozzles 24 (L, R) to the front or the side, the rudder or ship ...
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JP3228330B2 |
To prevent water streams from escaping downward just under the bottom surface of a casing, effectively generate thrust by providing guide wanes for the inner side of a discharging port in such a way that discharging streams are efficient...
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JP3227227B2 |
PURPOSE: To improve engine output without reducing pump efficiency by providing a speed reducer, and to prevent the mounting space, the weight, and the number of part items from increasing with the setting of the speed reducer. CONSTITUT...
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JP3225727B2 |
PURPOSE: To prevent a reverse flow of water into a ship from a drain port and a reverse flow of water, drawn up from the ship bottom, into a drain pipe by simplifying a drainage structure of bilge water and filtrated water. CONSTITUTION:...
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JP2001301690A |
To provide a compact and light swimming assist device with high safety. A board to be unified with a human body has a water suction ports 111a and drain ports 109a and 109b. A stream propulsion type electric pump 110 to be driven for ope...
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JP2001287695A |
To provide a hull capable of being easily mounted with a water jet device. A device mounts a water jet device to a marine craft. A hull 2 is provided with a horizontal part 12, a vertical part 14 and a side wall 16, and they form a cavit...
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JP2001260990A |
To improve rudder control during low-speed propulsion.A rudder plate 20 is fitted to a deflector 19 operated by a steering handle 13, and the rudder plate 20 is set to a height not protruded from a ship bottom 11b. Since the rudder plate...
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JP2001263020A |
To provide an oil pump arranging structure for an engine capable of disposing an oil pump by reducing the center of gravity to the utmost, lowering the height of the entire engine, and avoiding an impeller shaft disposed around a boat bo...
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JP2001260987A |
To provide an underwater discharging device for exhaust gas in a ship capable of increasing the propulsion efficiency of the ship with a simple and low-cost means without requiring a special device by absorbing the carbon dioxide in the ...
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JP3207612B2 |
PURPOSE: To generate all-directional thrusts with one pump, reduce the weight of a propulsive device, and simplify the device by taking a means such that each water flow duct is arranged to extend in three directions of longitudinal, lat...
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