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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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JP4607628B2 |
Jet pump mounting structure of a small-sized boat including a front face of a thrust plate attached to a rear face of a front wall of a pump case, and a jet pump attached to a rear face of the thrust plate. The jet pump is arranged in th...
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JP4606653B2 |
To provide a flexible connecting structure of a double pipe capable of adopting a dry exhaust system, and a small-sized planing boat mounted with this structure. Movable tubes 1D and 2D are respectively arranged in respective inner tubes...
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JP2010538899A |
Vessels designed to be able to navigate on water and in liquid media are equipped with propulsion means by draining the liquid and ballast means using the liquid to dive. .. These means are housed in the hull (1,10-11). The ship is equip...
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JP2010264969A |
To provide an air driving electric ship which can reduce CO2 emission and is replaceable with a ship using petroleum as an energy source to prevent sea pollution. In the CO2emission reducing ship, an electric motor 12 is driven by a wind...
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JP4583639B2 |
To provide a small-sized planing boat allowing taking in and out of an engine from a lower opening of a horseback riding type seat, and capable of damping vibration of the engine as much as possible. This small-sized planing boat has the...
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JP4573911B1 |
To propose a ship having a low risk of damage to a tactile bottom or the like, which can flexibly cope with a route such as via the Arctic Ocean. A rotatable ejection flow propeller 4 and a fixed ejection flow propeller 3 configured as a...
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JP2010242612A |
To provide a water jet propulsion watercraft whose engine can be restarted smoothly.The water jet propulsion watercraft 1 includes: an exhaust valve 58 provided so as to open/close an exhaust port 52b, and adjusting a flow rate of exhaus...
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JP2010241333A |
To provide a water jet propulsion boat capable of sufficiently activating catalyst and sufficiently reacting components included in an emission gas, such as HC, CO, and NOx, at a catalyst portion. The water jet propulsion boat 1 includes...
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JP4570793B2 |
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JP2010236448A |
To provide a water jet propulsion watercraft, whose engine can be smoothly restarted. This water jet propulsion watercraft 1 includes: an engine 5 mounted on a hull 2 and including a combustion chamber 5a for burning fuel, an exhaust por...
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JP4566211B2 |
A propeller driven surfing device includes an elongatedbody (20) defining an accommodation chamber (204) for receiving a drive motor (33) and a power supply (32) therein. A propeller (34) is driven by the drive motor (33), and is dispose...
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JP4566449B2 |
To restrain the shake of a rear view mirror caused by vibration during planing. A mounting base part 24a of a rear view mirror 24 is loosely fitted into a mounting hole 23b of a bow cover 10 (23), and fixed by a bolt 28 to a rigid bracke...
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JP2010501397T5 |
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JP4558346B2 |
To provide an engine control unit that can easily realize reacceleration in a jet propulsion boat. In a controller mounted in a jet propulsion boat that jets water pressurized and accelerated by a water jet pump from a rear jet and is pr...
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JP4554032B2 |
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JP4554186B2 |
A reverse system of a water-jet propulsion personal watercraft is disclosed. The reverse system typically includes a water jet pump configured to propel the watercraft, a reverse bucket disposed rearward of the water jet pump to be verti...
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JP3162872U |
To provide a screw member which converts a rotary motion into a propulsive force extremely efficiently. The casing is composed of a snail-shaped casing and a propeller installed in the casing in the vertical direction. [Selection diagram...
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JP4546648B2 |
The invention relates to a towing vehicle which moves on rollers or sliding bodies, for towing persons. The towing vehicle is provided with a motor drive which drives a driving wheel (1) that is mounted in a chassis (2). The towing vehic...
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JP2010188843A |
To provide a water jet propulsion vessel capable of certainly suppressing increase of burden of an engine and generation of noise by exhaust sound during land racing.The water jet propulsion vessel 1 is provided with a hull 2; the engine...
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JP4531199B2 |
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JP4521965B2 |
To provide a jet propulsion type planing boat improved in relation to an auxiliary fuel supply device provided so as to temporarily increase the engine speed in a jet propulsion type planing boat capable of steering a boat without increa...
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JP4523457B2 |
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JP4519349B2 |
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JP4514262B2 |
To miniaturize an exhaust manifold to facilitate disposition of an engine in a boat body. A multiple cylinder engine having an exhaust manifold on a side portion thereof is disposed such that a crankshaft thereof extends along forward an...
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JP4509406B2 |
A watercraft includes an improved engine control system that enhances the responsiveness of the watercraft and eases watercraft operation. The watercraft includes a propulsion device, such as a jet propulsion unit, and an engine that pow...
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JP4508353B2 |
A waterjet propulsion pump (14) is mounted in an opening in a fully submerged intermediate transom (12) located forward of the stern transom (11) and at the aft end of a dependent structural pod (15) on the hull bottom with the pump disc...
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JP4502631B2 |
A mounting structure for mounting a jet propulsion pump in a body of a personal watercraft includes, a front mounting portion of the pump being mounted to a rear portion, in a planing direction of the watercraft body, and a ride plate mo...
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JP4498642B2 |
To increase the cooling efficiency of oil in a oil tank. Oil of an outlet 69a of an oil returning passage 69 in the oil tank is discharged into the upper surface side of a cooling plate 76 via a through-hole 76f of a cooling plate 79 for...
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JP4494655B2 |
To provide an operation controller for an engine for a surface travelling boat which can obtain an equal engine output throughout a year. In the surface travelling boat 1 travelling with a propeller 4 disposed at a rear part 2 of the boa...
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JP4493873B2 |
To compactly build an exhaust passage in an engine room by contriving an layout of the exhaust passage, and to improve an engine output. Parts 30a, 30b, which are independent from a plurality of exhaust ports of a multicylinder engine 6 ...
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JP4493381B2 |
A water jet propulsion boat includes a pump chamber provided at a rear portion of a boat body of the boat. Further, a water jet pump is disposed in the pump chamber and a ride plate closes a bottom of the pump chamber. The ride plate inc...
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JP2010137710A |
To provide a water jet propulsion vessel capable of suppressing damage to a hydraulic type driving source for moving a reversing member.The water jet propulsion vessel includes a hull, a jet propulsion machine provided outside the hull a...
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JP4489286B2 |
To provide a small planing boat having a water-cooled muffler, in which a cooling water amount discharged to the muffler is made to be as small as possible and an exhaust gas temperature is effectively lowered, in a jet- propulsion type ...
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JP4489617B2 |
A muffler support mechanism for a small boat is capable of reducing the number of parts required to fix a water muffler. The muffler support mechanism includes a second water muffler mounted on a left recess of a support plate. A bracing...
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JP4473475B2 |
To provide a small planing boat capable of dispensing with high corrosion-proof performance in a fuel tank, increasing a degree of freedom in layout of a fuel feed passage, and using a resin material visible from outside, in a fuel filte...
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JP2010115971A |
To provide a monohull water jet propulsive ship capable of sufficiently absorbing slow flows in a boundary layer developed on a bottom part, and obtaining a high propulsive efficiency by wake gain in three or more monohull water jet prop...
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JP4463483B2 |
To provide an engine rotational frequency controlling device of a jet propulsion type boat capable of reducing labor power for maintenance by preventing foreign matter from invading into a water jet pump. Method for reducing rotational f...
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JP4463443B2 |
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JP2010070154A |
To provide a jet nozzle for a water jet propulsion system in which the propulsion force by the negative pressure immediately behind the nozzle port of the jet nozzle is hardly dropped even when the water jet propulsion system is increase...
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JP2010070155A |
To provide a casing for a jet propulsion system, capable of converting a ship to be propelled with an existing screw propulsion system into a ship to be propelled with a water jet propulsion system, and suppressing vibration by installin...
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JP4443003B2 |
To provide a jet propelled planing boat capable of keeping steerage of the boat even if the amount of water jetted from a water jet pump is decreased, without increasing the weight thereof. This jet propelled planing boat jets water pres...
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JP4443124B2 |
To provide a small planing boat with a drain structure capable of draining liquid stagnating inside an air intake chamber without direct access to the chamber. A drain hole 53 is provided in the wall part in the back face bottom of the c...
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JP4440194B2 |
A jet-propelled watercraft capable of maintaining a propulsion force required for a turn made at the same time as closing of a throttle valve. The jet-propelled watercraft has an auxiliary intake valve and an ECU. The auxiliary intake va...
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JP2010052503A |
To provide an engine for a vessel capable of eliminating contact resistance and rotation resistance to reduce power loss, and reducing the amount of carbon dioxide emissions and the amount of exhausting fossil fuel usage.A water bottle 1...
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JP4431296B2 |
A combined clutch and torsion damper for a water jet propulsion system for boats permits the impeller to be disengaged whilst the motor remains running. The combined clutch and torsion damper has an outer ring housing (18) with an attach...
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JP4425699B2 |
A personal watercraft configured to plane on a water surface is disclosed. The personal watercraft typically includes an attitude sensor configured to detect an attitude of a body of the watercraft, a propulsion force changing system con...
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JP4421320B2 |
To provide a water jet propulsion type small planing craft preventing excessive turning responsiveness when the craft is traveling at a relatively high speed while enhancing the turning responsiveness of the planing craft when the craft ...
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JP4420738B2 |
A watercraft can have a controller that can change a speed mode between a speed set mode and a regular mode in response to an operation of an auto cruise switch. The controller can return the speed mode to a regular mode under various co...
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JP4416928B2 |
To provide a jet propulsion type planing boat allowing the boat itself to be smoothly steered in relation to a jet propulsion type planing boat allowing the boat to be kept steered even if a throttle is turned off. This jet propulsion ty...
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