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JP3682531B2 |
To provide a propulsion device for a hybrid type ship maintaining high fuel consumption efficiency, improving ship steering performance, and reducing hull resistance, by providing both a gas turbine and a diesel engine as a main engine o...
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JP3678590B2 |
To realize an engine simple in structure using a water jet pump, easy to maintain high in freedom of arrangement as a whole at low cost. A closed circuit of primary side cooling water is formed by connecting a primary side cooling water ...
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JP2005193766A |
To provide a small planing boat capable of easily connecting an exhaust pipe provided in an inboard space and a hull, and easily disconnecting the exhaust pipe from the hull by the work from the outer side of the hull.The small planing b...
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JP3673289B2 |
PURPOSE: To provide a water jet propulsion device for ships intended for use in the shallows. CONSTITUTION: A bladed rotor attached to a cantilever shaft is mounted in a fountain pump easing 1 so as to be rotatable around a vertical rota...
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JP2005181481A |
To provide a noise reducing device for a water vehicle that is effective in reducing noise originating principally from a jet pump as an excitation source.The noise reducing device 38 for the water vehicle 10 which obtains a thrust by pr...
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JP3667711B2 |
To provide an anti-pollution high speed traveling body with a simple structure capable of traveling both on and beneath the water surface. The traveling body comprises a boat like body 1 which is generally made of a thick plate having a ...
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JP2005161926A |
To provide a water jet propulsion apparatus for a high speed vessel, which uses a high-pressure water jet as a propulsion force without using an impeller and compressed air.The water jet propulsion apparatus for the high-speed vessel com...
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JP3662590B2 |
A motorcycle like configured watercraft that employs a hull member to receive an engine and water jet nozzle means to propel the craft and the craft includes a seat area for a rider and steering means to control the direction of the craf...
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JP3659241B2 |
To prevent the occurrence of a problem on engagement of a gear and to provide a small planing boat in a compact manner. In this small planing boat, a drysump type lubrication system is employed, and a cylinder block where a cylinder is j...
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JP2005145206A |
To provide a reverse bucket and reverse mechanism for a water jet propulsion type small-sized planing boat sufficiently providing thrust in reverse movement and efficiently turning while moving backward by preventing water jetted from a ...
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JP3655055B2 |
To provide a thrust direction unit reformed for generating reaction thrust for strict azimuth control and/or propulsion of a ship, by discharging a directionally adjustable water jet flow from a ship body. A unit 10 has a propulsion hous...
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JP2005132263A |
To provide a water jet propulsion type small watercraft capable of improving turning performance while holding straight advance performance.The water jet propulsion type small watercraft has a ship body 1 formed by connecting a hull 2 an...
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JP2005132254A |
To provide rear view mirror structure for a small watercraft requiring no particular strength in a stay part, capable of making an oscillation system independent of a hutch cover, and having no influence on opening/closing operation of t...
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JP2005125991A |
To provide a water jet propulsive ship capable of preventing over-rotation accompanying with rapid reduction of load of driving device generated at high speed turning and enhancing reliability.Driving shafts 3 of respective jet propulsio...
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JP2005119513A |
To provide a standing ride type small jet propulsion boat reducing a space for connecting a bow hatch and a steering pole to a deck, simplifying a connection structure and facilitating a layout and design of each part constructing a conn...
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JP2005112150A |
To provide a firm and highly efficient water jet propulsion device capable of preventing a problem such as failure by corrosion or vibration and capable of effectively regulating the current.An impeller drive shaft 23 attached on an impe...
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JP2005112149A |
To provide a water jet propulsion device whereby an impeller in a propulsion water passage and a suction port side can be easily inspected.In this water jet propulsion device, the impeller 14 is installed in the propulsion water passage ...
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JP3640692B2 |
PURPOSE: To provide a ship propulsion engine capable of navigating a ship even in a shoal, rarely causing a failure, and further able to be downsized. CONSTITUTION: This engine is provided with a combustion unit 2 which injects liquid hy...
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JP2005075064A |
To provide a water jet pump capable of reducing cavitation and capable of improving pump efficiency.In this water jet pump 30, an impeller 32 rotatably driven is provided in a cylindrical housing 31. An edge 32r of an outer peripheral su...
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JP2005067239A |
To provide a fuel spill alarming device enabling alarming operation without putting a main switch into an ON state and requiring feed of a weak current.The fuel spill alarming device comprises a fill-up detecting microswitch 39 for detec...
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JP3621073B2 |
Disclosed is an engine of a personal watercraft capable of preventing water ingress into a penetrating hole for attaching an ignition plug. The engine comprises a cylinder head, a cylinder head cover provided over the cylinder head, an i...
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JP2005016354A |
To prevent high speed sailing in reverse travel by eliminating necessity for minute adjustment of an accelerator lever.When a reverse lever 120 is operated to turn on a reverse switch 112, a command signal for a step motor 26 for adjusti...
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JP3610954B2 |
In order to provide an internal combustion engine control unit for a jet propulsion type watercraft which can control an internal combustion engine so that a rider can perform risk avoidance safely, a controller 300 is provided, which in...
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JP3611187B2 |
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JP2005009388A |
To facilitate operation of an accelerator lever even in a slow-moving section and appropriately control throttle opening according to various sailing conditions.A mode selection switch 115 capable of setting a mode according to various s...
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JP2004360651A |
To make a rudder work steerable by obtaining an appropriate propulsion force even at the time of a deceleration in an off-throttle.When a high speed sailing state is shifted to a decelerating state with a comparatively large deceleration...
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JP2004359189A |
To provide a self-diagnosis information processing method and a self-diagnosis information processing device for a small planing boat for displaying diagnostic data in case of occurrence of a failure and properly displaying the diagnosti...
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JP2004346818A |
To provide a throttle valve control device in a compact planing boat capable of preventing a throttle valve from being unable to be opened and closed, and performing the confirmatory motion of the throttle valve without suddenly accelera...
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JP3598304B2 |
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JP3599725B2 |
To provide an original reader which has an identifying function of an original including a black and white original and a color image and reads the entire original at a high speed in reading an original with mixed originals including an ...
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JP2004322775A |
To provide an engine controller for easily performing steering control even in a throttle closed state.In the controller 100 of a jet propulsion boat 10 propelled by jetting water pressurized and accelerated by a water jet pump 30, when ...
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JP2004533363A |
The hydrojet boat submerged propulsions system is low noise and has good output. It comprises principally a hydrojet propulsion system comprised of a hydraulic screw (7) feeding a helico-axial pump (8) emerging through downstream guide v...
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JP2004291916A |
To provide a V-four-cycle engine having a relatively low gravity center position and relatively accessibility near the bottom when mounted on a planing boat, and the small planing boat equipped therewith.The V-four-cycle engine E having ...
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JP3580103B2 |
To prevent operating performance, particularly turning performance or accelerating performance from deteriorating, even if a four cycle engine particularly a multi-cylinder engine is loaded as a drive source on a small-sized planing boat...
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JP3577534B2 |
A water inlet tap for an engine cooling system is provided on a jet propulsion unit of a small watercraft. The inlet tap includes a filter element arranged at the inlet of the tap so as to lie generally flush with in inner surface of the...
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JP2004262386A |
To provide a water jet propulsion ship for preventing a collision against a water jet propulsion device by a stern wave generated at a stern.This water jet propulsion ship is provided with the water jet propulsion device 10 disposed at t...
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JP3565980B2 |
To provide a speed sensor disposition structure of water vehicle which makes it possible to ensure a space for disposition and also to improve the performance of detection, while putting back a bottom plate so as to improve the external ...
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JP2004237789A |
To provide a small planing boat allowing easy cleaning inside a cooling passage of an engine or an auxiliary machine after traveling.In the small planing boat, the engine E is arranged in a boat body A surrounded by a hull H and a deck D...
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JP3559245B2 |
To provide an exhaust device for a small boat for solving such failure that engine cooling water delivered from the downstream end of a water jacket makes reverse flow to a catalyst through an exhaust passage when the boat keels over. Th...
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JP2004224189A |
To provide an exhaust structure for a small vessel capable of reducing the exhaust noise particularly when the engine is in low-speed rotation and provide a small-sized coaster equipped with such an exhaust structure.The exhaust structur...
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JP2004203124A |
To provide a small gliding boat capable of suppressing the consumption of a battery when storing data showing the operating state of an engine.The gliding boat is provided with the engine E, various kinds of sensors 1s to 7s, an ECU 100,...
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JP2004197692A |
To provide a small planing boat with an engine to be stably started while preventing the feed of evaporating fuel to a fuel injection device.A fuel tank 29 arranged in front of the engine 9 and a fuel distribution line 29 provided in the...
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JP3541085B2 |
PURPOSE: To eliminate the drop of the output due to the leakage of the jet flow by providing a movable pipe to be turned by the steering on a rear part of a fixed pipe to eject the water jet flow by the rotation of a propeller, and provi...
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JP3540547B2 |
To reduce the concentration of stress and to increase fatigue strength in a water jet duct supporting structure. In the supporting structure of a water jet duct 1 protruded from the inside of a ship through ship bottom part 2 to the outs...
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JP3539233B2 |
To modify the intake of the jet water to secure required suction volume and to efficiently jet the water jet in the water jet propulsion boat. In this water jet propulsion, an intake port 5 of the jet water is enlarged laterally with res...
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JP3535323B2 |
To improve the life of an exhauster for a multi cylinder internal combustion engine in the case that an exhaust pipe comprises upstream and downstream side pipes and a shock absorbing body by which the mutual opposite end parts of these ...
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JP3534856B2 |
PURPOSE: To provide a thrust nozzle driving device capable of quickly surely the change-over of a swinging angle of the thrust nozzle provided in a small ship device by a grip lever part. CONSTITUTION: A grip lever part 10 has a housing ...
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JP3535193B2 |
PURPOSE: To provide a water surface running boat which is constituted to prevent lowering of pump efficiency owing to cavitation phenomenon, further prevent complication of structure, increase of a boat weight and increase of a cost, and...
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JP3534452B2 |
PURPOSE: To provide a controlling protective circuit for a steering gear, provided with two systems of a controlling feed back circuit and a monitoring feed back circuit in an emergency and having the extremely high navigation safety. CO...
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JPWO2002062659A1 |
The outboard motor includes a drive unit, a switching device (13), an impeller (15), and a blade casing (8). The switching device (13) transmits the rotation of the drive shaft (12) of the drive machine in the forward and reverse directi...
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