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Patent Searching and Data


Matches 1,051 - 1,100 out of 2,593

Document Document Title
JP2004098945A
To provide an oil-feeding opening structure for a small surface boat for preventing a damage to the oil-feeding opening or a deck, and thus preventing occurrence of a damage to a chain.The oil-feeding opening structure has a fuel tank 13...  
JP2004098966A
To provide an exhaust structure for a small planing boat capable of preventing flooding into an exhaust chamber to the minimum.An upstream side exhaust chamber 31 and a downstream side exhaust chamber 32 are respectively arranged on both...  
JP2004100689A
To provide an engine output control device for a water jet propulsion boat enabling a navigator to naturally steer and stop the boat even in OFF operation of a throttle.A control unit 34 starts the lowering control of engine speed when t...  
JP2004098940A
To provide a trim operation wire structure for a small surface boat with an improved operability.A trim operation lever returns a nozzle for adjusting a jet direction of jet water to a normal direction by swinging the nozzle downward and...  
JP2004100549A
To provide a small-sized watercraft equipped with an actuator enabling continuous steering of the boat even if a throttle is turned off.This watercraft is equipped with a water-jet pump P, a steering apparatus for shifting jetting direct...  
JP2004084554A
To provide a small travel boat wherein oil can be prevented from flowing backward from an oil tank to the separator side.This small travel boat is provided with an engine E to propel its hull, an oil tank 34 to store oil to lubricate the...  
JP3505697B2
To improve the durability of a whole bearing part by reducing the diameter of a forward seal part so that a bearing part of a jet pump for a small hydroplaning craft can be fitted from the rear side to avoid that the diameter of a hub pa...  
JP2004058711A
To provide a bilge water draining device which restrains the lowering of engine power by reducing a resistance loss in a jet water passage in a nozzle, increases thrust force by preventing the generation of turbulent flow, and heightens ...  
JP3500590B2
PURPOSE: To enable it to a high-speed sailing even in either direction of the stem and the stern by setting up a propeller and a rubber in both sides symmetrically on the hull center, decelerating propeller at the fore head side to a lit...  
JP2004052716A
To provide intake structure that can secure the appropriate pipe length of an intake pipe in an engine provided at a small sailing ship.A collector box 4 is disposed between engine mounts 15, 15 provided at the front and rear on the left...  
JPWO2002030741A1
A suction casing (4a) including a suction port (4a) opened at the bottom of the ship (1b), a suction flow path (4b) inclined rearward from the suction port (4a), and a horizontally formed impeller chamber (4c). 4) is arranged at the bott...  
JP2004052681A
To provide the intake structure of an engine that can automatically feed oil accumulated in a collector box, into a combustion chamber by the operation of the engine.In this intake structure of the engine, a connecting pipe 7 with an inn...  
JPWO2002028705A1
A front casing (12) with a suction port (11) opened in the water in the bow direction, an impeller casing (10) inscribed with an impeller (17), and a rear casing with a discharge port (13) opened in the water in the stern direction. A cu...  
JP2004034786A
To provide a jet propulsion machine for water vehicle for suppressing degradation of the engine output by reducing resistance losses in a jet water passage, and increasing the propulsive force by preventing generation of turbulent flow.T...  
JP3490134B2
PURPOSE: To provide a water jet propulsion unit in which the length of a conduit pipe is reduced to decrease the loss of water delivered. CONSTITUTION: In a water jet propulsion unit for jetting water sucked through a conduit pipe 2 from...  
JP2004019501A
To provide a water muffler of a small ship capable of effectively eliminating both of high frequency sound in high speed rotation of an engine and low frequency sound in low speed rotation.A water muffler Wm connected to an exhaust port ...  
JP2004010027A
To provide an integrated system diving apparatus simple in structure, low in cost, high in safety, and to be combined freely according to purposes.An ear plug is formed so that the entry of water and the pain of an ear can be prevented b...  
JP2004011459A
To provide an overspeed protection device for a marine two-shaft gas turbine, effectively preventing the overspeed of an output turbine while maintaining the high responsiveness of the output turbine without requiring excess loading spac...  
JP3480344B2
To provide an oil tank structure for an engine of a small planing boat effectively utilizing a space in an engine room and improved in the maintainability, etc., of the engine. In an engine 5 which takes out output of a crankshaft 18 arr...  
JP3474324B2
To judge the feeding condition of cooling water by monitoring the discharge condition of the cooling water from an engine by an operator with simple constitution. In a water jet propulsion craft, two sets of water jet propulsion machines...  
JP2003344437A
To provide a ground speed calculation method and a ground speed calculation device suitable for realizing inexpensive and highly-accurate detection of the ground speed by utilizing a ground speed detection device having a comparatively l...  
JP3469725B2
To supply water, jetted from a water jet toward an exhaust passage, more uniformly to each part of exhaust so as to cool the exhaust sufficiently. An internal combustion engine is mounted on a hull floating on water. A first exhaust pipe...  
JP3468037B2
To provide a reverser for a water jet propulsion unit generating no turbulence for the reversion of an injection stream with the same handle operation for forward rotation and reverse rotation. The upper wall face 14b and the rear wall f...  
JP3464854B2
To improve propulsion efficiency without enlarging a device by extending the front end edges in the rotating direction of vanes in the nearly radial direction from the axis of an impeller shaft, and forming front end edge outer periphery...  
JP3464083B2
PURPOSE: To mount a water jet propulsion unit on a hull easily by providing propellers on the right and left of the hull. CONSTITUTION: A water jet propulsion unit 6 is formed by using a V-type engine 7 in which crankshafts 16, 17 are pr...  
JP3458112B2
PURPOSE: To reduce hull resistance at the time of full-speed travel and prevent the generation of cavitation at the time of sudden acceleration with simple structure. CONSTITUTION: A water jet propulsion device has an engine mounted in a...  
JP3452255B2
To provide a surface boat that is simple in the layout of both intake and exhaust systems. A surface boat 1 travels on the water when a propeller 4 installed in the rear of a hull 2 is driven by an output shaft 28 of an engine 3. The eng...  
JP3449705B2
To reduce the height of an exhaust system of a small ship as well as the height of an engine to reduce the overall height of a power unit by making it easy to place the exhaust system in a low position, while making the exhaust system co...  
JP2003261097A
To reduce exhaust noise.By providing a first shower duct 30 between an exhaust outlet 6a of the pump chamber 6 and an opening of an injection nozzle 26, and providing a second shower duct 31 in a neighborhood of the exhaust outlet 6a of ...  
JP2003232266A
To reduce suction noises generated in outside air intake passages.The outside air intake passages 29A, 29B are provided for taking outside air from the outside of a boat into an engine room in the boat, and suction resonators 42, 43 are ...  
JP3439000B2
To provide the intake structure of a simple-structure and low-cost for a water jet propulsion high speed boat to facilitate high speed sailing through the rapid starting of an upper water jet pump even during low speed sailing by a lower...  
JP2003227373A
To obtain a control device for internal combustion engine of jet propulsion boat capable of controlling the internal combustion engine so that a ship operator can safely avoid risk.The device is equipped with a throttle opening detection...  
JP2003523301A
A motorized watercraft having a hull on which the user can lie or stand wherein a flow channel is provided with an engine-driven water screw. The electric engine, batteries and control device for the electric engine are accommodated in t...  
JP2003521422A
A propulsion aggregate for boats of planing type is disclosed. The aggregate ( 10 ) comprises at least one inboard engine ( 5 ) disposed in a supporting frame ( 6 ), at least one first drive shaft ( 1 ) having a propeller ( 3 ), which sh...  
JP2003200883A
To provide a stand-riding type compact planing boat capable of easily discharging the water inside a narrow engine room of a hull when housing the planing boat on land.This stand-riding type compact planing boat is provided with a bulk h...  
JP2003200896A
To provide the engine mount structure for a compact planing boat capable of efficiently absorbing the vibration of an engine corresponding to the engine speed by structuring the natural frequency of the engine mount possible to be change...  
JP2003200894A
To provide a water jet propeller capable of efficiently injecting the water jet and capable of preventing the generation of peeling of a liner.This water jet propeller 20 can rotate impellers 50 by rotating a drive shaft 16 with an engin...  
JP2003191893A
To reduce frequency of grease supply maintenance for a drive shaft bearing part.A drive shaft 22 for driving an impeller is rotatably supported on a hull via a bearing member 52. A grease reservoir 22f constituted of a ring-shaped recess...  
JP2003182690A
To improve rudder control and turning performance in advancing with inertia even when an engine is stopped or in the idling state.When an engine driving state detecting means 44 detects that the engine is stopped or in the idling state a...  
JP2003182689A
To improve rudder control and turning performance in advancing with inertia even when an engine is stopped or in the idling state.In advancing with inertia when the engine 15 is stopped or in the idling state, if the rudder handle 13 is ...  
JP2003184679A
To provide an intake pipe structure of an engine for a small-sized planing boat capable of effectively reducing noise generated from an induction system of an engine and effectively restraining introduction of water into the induction sy...  
JP2003176734A
To provide a recreational vehicle having a turnover detection device deciding that a vehicle turns over only when the vehicle actually turns over.This recreational vehicle has a turnover sensor 2, and an engine E is stopped according to ...  
JP2003175080A
To provide the structure of a facility behind a driving seat in a wheelchair moving vehicle with which the rate of utilization of a transportation vehicle is maximally improved by securing the maximum seating capacity and also to provide...  
JP2003170895A
To improve turning property of a boat body when the boat body is advancing through inertia.When the boat body is advancing through inertia in a stopped state or a idling state of the engine of the boat body and jet pressure is below a pr...  
JP2003165495A
To provide a small planing boat with the structure that the propelling force of an water jet pump is effectively improved by the improvement of output of an engine (increased engine speed).In this small planing boat with the structure th...  
JP2003146291A
To provide a power transmission structure of a main engine for a ship suitable for high speed operation by reducing the weight.The main engine 10 and a decelerator 30 are connected with a first power transmission shaft 20. As the distanc...  
JP2003137182A
To enhance a coast-landing property by exactly stopping a vessel body.A throttle cable 42 is moved to a direction of opening a throttle valve by throttle opening mechanisms 46A, 46B at the time of larger movement of a reverse cable 37 af...  
JP2003127977A
To provide a suction pipe structure for a small planing boat allowing a suction system to be longer and therefore achieving the suction inertia of an engine and, in turn, stabilized low-speed performance and high torque.In the small plan...  
JP2003127991A
To improve easiness to get alongside the quay by accurately stopping a body.When spools 58, 59 are rotated by an electric motor 39 driven in linkage with the operation of an operation lever 32 and a clutch cable 66 is moved in one direct...  
JP2003127979A
To allow a water jet propelled boat to easily come alongside the pier by improving the turning performance of a body when inertially moved forward in the condition of an engine being stopped or idling.The water jet propelled boat compris...  

Matches 1,051 - 1,100 out of 2,593