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JP2006264608A |
To provide a propulsion device for a vessel provided with a water-take-in port in which cooling water is hardly intruded when the vessel is towed by the other vessel without rotating an impeller and a required sufficient amount of coolin...
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JP2006248423A |
To provide a small craft capable of preventing spray of water from spattering over a deck side.To install the deck 19 constituting an upper part of a craft body 11 on a hull 18 constituting a lower part of the craft body 11, this small c...
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JP2006240446A |
To provide a water jet propulsion craft capable of operating a propulsion direction changing device by operating a grip part while reducing the movement not in a curved manner but in a substantially straight manner.An operating device of...
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JP3818427B2 |
To provide a swivel vertical water jet propeller of low energy loss, capable of converting the kinetic energy by an impeller into the pressure energy, and injecting the pressurized water from a discharge opening while keeping the pressur...
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JP3818905B2 |
To efficiently cool a water muffler. Exhaust EG from an engine is discharged into the water muffler 60 through an exhaust pipe 53 having a water jacket 52a with water W passing the water jacket 52a. A discharge port 53c for water W in th...
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JP3817016B2 |
To control exhaust control valves based on correct ship speed by providing exhaust control valves changing exhaust opening rate according to the operating condition of an engine in the vicinity of exhaust ports, and providing a hydraulic...
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JP3807480B2 |
To provide a water jet propulsion type hydrofoil craft allowing free ascent and descent of an outboard motor, efficient navigation, and multipurpose uses. In this water jet propulsion type hydrofoil craft using the outboard motor 3, a pa...
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JP2006200442A |
To provide an operation control device for a small vessel capable of improving ride comfort by reducing deceleration at a time of change over of an operation mode.This device is provided with a mode establishment means establishing one o...
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JP2006199136A |
To provide an operation control device for a planning boat capable of improving sailing feeling in case of selecting cruise control sailing.The operation control device for the planning boat is provided with a mode setting means selectiv...
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JP3801639B2 |
A method and apparatus to amplify the magnetic field in an electromagnetic circuit is provided. Amplification factors of several orders of magnitude may be obtained. The system is applicable to a number of different systems, including me...
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JP2006160234A |
To provide a high-speed energy saving vessel having good efficiency and running with a small resistance.The high-speed energy saving vessel is structured so that water is taken in from an intake hole D provided in the vessel lower part a...
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JP3788708B2 |
To prevent unsteady operations in low speed cruise and cavitations in high speed cruise of a water jet propulsion device controlling a jet port open radio suitably for a cruising speed by switching a cross section area of an outlet casin...
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JP2006144769A |
To increase a hypothetical output and a hypothetical power generation quantity to 1,000 times an existing reciprocating engine by raising atmospheric gravity work ability to a water output 1,000 times the combustion gas, and converting t...
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JP2006118387A |
To provide an engine control unit inhibiting a rise of engine rotation speed at starting without breaking an engine.The rotation speed n of the engine 22 is detected by a rotation speed sensor 31a, and change of the rotation speed n of t...
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JP3767726B2 |
To enable a submarine boat to navigate underwater at high speed and to plane when floated. In this submarine boat, a water jet propulsion machine 4 comprising a pump casing 1 for pressurizing by means of an impeller 10 water sucked from ...
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JP2006096075A |
To provide an exhaust device of a small watercraft for reducing the number of parts required for attaching a resonator or a water infiltration preventing container to exhaust pipes.The exhaust device 20 of the small watercraft connects t...
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JP3765606B2 |
To first cool an exhaust manifold with the highest temperature by providing a cooling system in which cooling water is let flow from the exhaust manifold through a cylinder head and a cylinder block to an exhaust pipe in order. In a firs...
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JP2006090215A |
To provide an exhaust system for an engine, capable of securely preventing backflow of cooling water to the engine side.The exhaust system 20 having an exhaust pipe 21 for joining an exhaust gas passage 24a to a cooling water passage 25a...
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JP2006509138A |
Planing amphibious vehicle (101) comprises engine (105) with internal cooling ducts (106). The engine is cooled first by air-water exchanger (102), and secondly by water-water exchanger (108). One or both exchangers may be located in com...
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JP3755724B2 |
To prevent the splashing of the jet water current from a jet nozzle and obtain an opening ratio of a jet port corresponding to the speed of a ship by changing over an opening area of the jet port. An annular jacket chamber 10 is mounted ...
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JP3755725B2 |
To provide a boat capable of reducing the manpower at the start by pedaling operation, ensuring the accelerating characteristic and the safety, and being transported by loaded on a trailer or a passenger car by improving a conventional m...
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JP2006056391A |
To provide an operation device for a personal watercraft capable of vertically moving a steering handlebar along a direction rearwardly inclined relative to a turning axis direction of a steering column and performing operation at suitab...
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JP2006056345A |
To provide a seat structure of a personal watercraft capable of accommodating the seat in the hull or taking it to outside the hull according to the maneuvering condition of the boat operator.An accommodation space 22b is formed over an ...
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JP2006044386A |
To provide a steering device for a small watercraft wherein a position of a steering pole can be adjusted to an arbitrary direction according to the physique or attitude of a driver.A support shaft 34 is made to protrude from a front end...
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JP2006044610A |
To provide a mounting structure for a water jet pump of a small planing vessel in which a seal member is hardly position-deviated and deformed at mounting of a pump casing to a pump bracket and both can be airtightly mounted using the se...
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JP2006036008A |
To provide a small-sized planing boat capable of making stable running both in straight advancing and revolving by changing the chine width.Mounting recesses 20a and 20b are formed at both the sides of the rear of a hull 11 and fitted wi...
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JP3740924B2 |
To provide a small and lightweight reversing device for a water jet propulsion boat preventing the entangling of suspended matters on the water surface and allowing the stable cruising of the boat. In a water jet propulsion boat 1 mounte...
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JP2006008044A |
To operate a rudder by obtaining suitable propulsion force even at deceleration of throttle off and to suitably perform response at abnormality of a steering torque sensor.If the vessel is transferred from the high speed navigation state...
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JP2006009635A |
To provide a cooling system of an engine for a small planing boat capable of preventing overcooling of a cylinder block while appropriately cooling a cylinder head.The cooling system of the engine for the small planing boat is provided w...
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JP2006002633A |
To provide a water jet propulsion boat capable of preventing a supercharger and a joining part of the supercharger and an engine from being damaged by water entering into a hull.A supercharger 36 for compressing air supplied to an engine...
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JP2006001432A |
To provide a steering device for a small sized vessel capable of easily performing the operation for moving in an arbitrary direction such as the right lateral direction by only operation of a steering wheel.The steering device steering ...
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JP2006002634A |
To provide a water jet propulsion boat equipped with an intercooler capable of efficiently cooling compressed air compressed by a supercharger by reducing influence of heat radiation of an engine.A supercharger 36 and an intercooler 35 a...
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JP3724823B2 |
PURPOSE: To provide a water planing boat wherein improving an output of an engine can be attained by sufficiently ensuring length of intake pipes in the 4-cycle engine. CONSTITUTION: In a water planing boat 1 propelled by injecting water...
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JP3719358B2 |
To install a movable screen on a sucking port without removing a propeller. A through-hole communicating with a sucking port and the inside of a ship is provided in a flange 12 formed on both side walls of a sucking casing 3 at the tip p...
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JP2005319895A |
To provide a stand riding type small planing boat equipped with a display portion on a body, and enabling an operator to obtain information about the boat.The stand riding type small planing boat comprises the body 1 composed of a hull 1...
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JP3715710B2 |
To easily disposed the receiving hole of a detent mechanism in a small ship having a nozzle driving device capable of adjusting the trim angle of a jet propulsion nozzle. A detent mechanism 36 is provided in a steering handle. The detent...
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JP3716183B2 |
To increase water flow velocity in a throat to improve a water flow in a passage and a lip lower side, in a suction conduit for a flush type water jet ship. This suction conduit has the passage 11 along the axial direction of a hull 101,...
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JP2005297932A |
To eliminate installation of a ballast water tank inside a ship.A plurality of steam jetting openings are arranged inside a two-stage cylindrical body in the same direction to jet steam, generate changes in water pressure and water strea...
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JP2005280626A |
To provide a watercraft propulsion machinery which enables a transfer to other spots and leisure on water thanks to the propulsion of the propulsion machinery by detachably mounting the propulsion machinery on boards, expanding a purpose...
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JP3699068B2 |
To provide a compact planing boat using a four-cycle engine capable of preventing a flow-in of the oil of an oil pan into a combustion chamber even if the compact planing boat falls down (turned over or reversed). This compact planing bo...
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JP2005255139A |
To provide a jet propulsion pump with a simple structure at a low manufacturing cost.Spool blades rotated by a motor to discharge liquid at high pressure is provided in a cylinder, thereby constituting the jet propulsion pump.
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JP3698294B2 |
To enhance suction performance and propulsive forces by providing a screw blade having a series of continuous twisted blade faces in a coned flow passage. This device has a helical screw blade 14 wound on a conical hub 13 from the start ...
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JP3696911B2 |
PURPOSE: To rotate a tubular suction shroud and an impeller to produce a pressurized water flow from an intake end to an outlet end within a housing by providing a stator with energizing means, and providing an impeller assembly or the l...
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JP2005247077A |
To construct a new propelling system using more efficient water-jet-propeller than a propeller screw.A horizontal or vertical reciprocating motion is given in the forward direction of the pressurized water which splash from a water-jet-f...
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JP3693835B2 |
To provide a locking mechanism for a deflector of a planing boat, capable of locking operation and releasing operation by only operating the deflector to elevate and lower it. A locking mechanism 1L for a deflector 1A of a planing boat i...
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JP3692562B2 |
To simplify a cooling water passage, simultaneously to make a proper amount of cooling water feedable to engine and an exhaust system and to control the temperature of an engine cooling system. A hydromotorbike 2 is provided with an engi...
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JP3693371B2 |
PURPOSE: To change simply the direction of a jet nozzle even if a thrust is large by providing an output lever on the output part of a planet gear type reduction gear, reciprocating one end of a control cable with the output lever and co...
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JP3687835B2 |
To provide an easy-to-clean cooling jacket and a bearing cooling device allowing prevention of inflow of refuse or the like. In this bearing cooling device, a recessed groove-like jacket chamber 14 is formed around a bearing case 13 of a...
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JP3683225B2 |
To provide a mounting structure of a water jet pump facilitating the mounting on a planing boat. This mounting structure of the water jet pump of the planing boat is required a front/rear directional position adjustment relative to a fix...
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JP2005212569A |
To provide a steering device of a small planing boat capable of demonstrating both the expanding/contracting function and a tilting function and realizing these functions by a single integrated mechanism.A steering column 301 is divided ...
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