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JP3943972B2 |
To provide a casing for an engine wherein reducing the weight of a crank case side cover for downsizing, and decreasing the joining area for enhancing the sealing performance at the joining surfaces of the crank case and the crank case s...
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JP3942153B2 |
To prevent the intrusion of the pilot water into a hull. In this outboard motor 2, a propeller unit 6 is supported by the hull 1 through a swivel bracket 33, and a propeller 25 arranged in a lower rear part of the propeller unit 6 is dri...
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JP3943660B2 |
To insure bearing capacity and durability and attain miniaturization by setting the outer diameter of a rolling bearing arranged on the output side of a crankshaft supported on both sides through rolling bearings on both sides of a crank...
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JP3942698B2 |
To install a large capacity oil separator in an engine without narrowing an auxiliary machine storage space in a cowling. Both inlet and exhaust camshafts 19 and 20 are installed in a cylinder head 18 with the axial direction as the vert...
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JP3942675B2 |
To provide a fluid pump structure provided on an internal combustion engine and having high sealing property. A cooling water pump casing 7 having magnetism transmitting property is fixed to an internal combustion engine main body 4, a d...
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JP3942234B2 |
To provide an exhaust device for an outboard engine capable of preventing an increase in size when an highriser is arranged in the engine having a plurality of serially arranged cylinders. In an exhaust device 42 for an outboard engine 6...
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JP3942691B2 |
To quickly detect a state that cooling water is insufficient by a temperature sensor by forming a joining hole communicating the halfway of a cooling water passage with an exhaust passage on an exhaust pipe of a double tube structure and...
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JP3940466B2 |
To detect purifying performance caused by the aging deterioration of a catalyst or the like for prevention of exhaust gas properties from being deteriorated by discriminating the deteriorated condition of the catalyst based on the output...
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JP3937713B2 |
To enhance durability of a belt type transmission by insulating a transmission unit from heat of an engine unit and heightening cooling action of the transmission unit, in a power unit structured by providing the engine unit and the tran...
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JP3938652B2 |
To provide an exterior trim structure of a scooter type vehicle capable of enhancing freedom in an appearance design. This exterior trim structure has a footrest part 81a for a crew, and a boomerang cover 89 serving as an appearance comp...
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JP3938695B2 |
To provide an engine for a compact planing boat giving good influence on planing performance of the compact planing boat by backwardly moving the center of gravity of the engine. A generator 3 accommodated in a housing 8 is mounted at an...
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JP3934912B2 |
To attain the miniaturization and weight reduction of a starter motor and a starting power transmission means even for a multiple cylinder engine, in an engine starter provided with the starting power transmission means capable of reduci...
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JP3933270B2 |
To easily design a power unit case by disposing a speed changer shaft and a motor shaft in series to the longitudinal direction of a body to apply force on the power unit case in simplified direction. A crank shaft 56 is disposed in a po...
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JP3933875B2 |
To provide a sub-air cleaner by suppressing an increase of the number of parts. A rear wheel 21 is supported in a rear part of a swing type power unit 18 connected with a vehicle body frame so as to oscillate freely, and a rear fender 35...
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JP3932439B2 |
To maintain an exhaust system air cleaner without detaching a body cover, by providing a muffler with the exhaust system air cleaner in a supplying device whose end part supplies air through secondary air supplying pipe which is connecte...
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JP3933232B2 |
To make a flywheel approach an internal combustion engine main body so as to enable stable support by arranging a lubricating oil pump which rotates by a crankshaft downward the flywheel. An upper end of a driving shaft 12 is spline-fitt...
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JP3932070B2 |
To install fuel supplying components in compact arrangement in an outboard motor of such a configuration that fuel tanks are installed both on the hull side and outboard motor side. A fuel supply device for an outboard motor is equipped ...
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JP3930676B2 |
To provide an idle engine speed control device for an internal combustion engine for ship for accurately determining target idle speed and target supply amount of secondary air and realizing a stable idle speed also when load is fluctuat...
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JP3929109B2 |
To provide an outboard engine capable of preventing water droplets from entering from a starter rope to an air inlet without increasing the number of component parts. An outboard engine comprises: cowlings 1, 2 having an engine chamber i...
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JP3924447B2 |
To allow a top wall of an exhaust port 19 to be hardly exposed from a cooling water, and to ensure the cooling thereof even when an air pocket is formed on a lower surface 27a of the top wall, by forming the lower surface 27a of the top ...
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JP3924672B2 |
To continuously inject accurate and stable fuel from a fuel injection valve into an air intake pipe without sucking air bubbles exhausted from a pump chamber of a high pressure fuel pump and air bubbles inside a vapor separator by the hi...
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JP3924646B2 |
To provide an intake manifold for an outboard motor improving a property of sealing on a surface contacting with a cylinder head, preventing deterioration thereof by coolant, and improving durability thereof. In an outboard motor mountin...
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JP3925968B2 |
To make the device compact much more, and enhance the operating performance of the device. The tilt cylinder device is equipped with a cylinder unit 18 which is formed out of an inner side cylinder 23, and of outer side cylinder 24, and ...
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JP3922913B2 |
To provide a V-type four-stroke engine for an outboard engine which is miniaturized by suppressing the total height. In the V-type four-stroke engine 10 for the outboard engine having exhaust cam shafts (first cam shafts) 22 on inner sid...
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JP3920406B2 |
To prevent an intake temperature sensor from dipping in water entering an engine room so as to increase durability by arranging the intake temperature sensor in a position shifted from a virtual straight line for connecting the opening o...
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JP3917923B2 |
To smoothly supply air to each cylinder of a V-type engine from each intake system, while enhancing rigidity of a vehicle body frame. In a low floor type vehicle 10, a front and rear V-type engine 100 is suspended by an upper frame 22 ex...
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JP3917843B2 |
To provide a small vessel preventing sea water and water from being stored in a suction system instrument and further preventing sea water and water from being intruded into an engine even in the case where sea water and water are intrud...
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JP3917841B2 |
To provide a small vessel capable of ensuring an air funnel to a relatively long size in the state that a gap of right and left side walls of a vessel body is made small. The small vessel 10 is provided with a saddle-riding type seat 17 ...
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JP3916014B2 |
To provide a suitable water-cooled four-cycle engine for a hybrid power unit. Bolts 147, 147 are loosened and an eccentric pipe joint is turned to move a shared pulley 125, and then the tension of belt 122 is increased and adjusted to fa...
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JP3916177B2 |
To provide an outboard motor improving a feeling of operation switching a drive system of a propeller to forward and neutral or reverse operation. In a shift rod rotary shaft 44 supported by a pair of bearings 41, 42, a detent cam 47 and...
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JP3916299B2 |
To remarkably improve reliability for electrical equipment of an engine by conducting an electric power supply circuit through a noncontact switch circuit at starting the engine so as to operate the electrical equipment of engine. An ele...
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JP3912640B2 |
To form an engine in a compact size while ensuring a desired reduction gear ratio. An engine 2 for an outboard engine in which a crank shaft 12b is vertically arranged, is provided with a high pressure fuel pump 37 fixed to an engine bod...
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JP3911881B2 |
To improve the fuel consumption by providing a clutch control means for controlling a clutch mechanism on the basis of the residual value of power fluctuation of an engine canceled by a rotating machine and setting the relative rotating ...
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JP3911950B2 |
To improve breather performance and to reduce weight of an engine, and to decrease a production cost of the engine. An upper case 25 forming a crankcase 21 for an engine 13 is integrated with a lower part of a cylinder block 22. A breath...
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JP3912046B2 |
To provide a cooling structure of an engine for a snow vehicle capable of stabilizing the number of idling revolutions of the engine immediately after starting the engine, improving the workability when supplying cooling water, and reali...
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JP3912851B2 |
To simplify the assembly work by arranging an internal combustion engine on the drive wheel side of a unit case, forming the unit case into a box shape, and integratedly forming an air cleaner chamber inside the unit case so that the uni...
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JP3913011B2 |
To provide a supercharger cooling structure for small watercraft that is capable of fully cooling the supercharger. In a small watercraft mounted with a supercharged engine 20, coolant from a jet pump 30 is supplied to a supercharger 140...
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JP3913980B2 |
To provide a magnetic force type pump driving device in an engine for a vehicle capable of increasing diameters of a driving magnet and a driven magnet without being interfered by a driven rotary member of a wrapping connection device to...
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JP2007107492A |
To provide an engine for a leisure vehicle suitable for motorcycle simple in an outside appearance and capable of supplying cooling water with a shorter passage length.A four cycle engine E is composed by dividing a crank case 2 is divid...
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JP3908865B2 |
To provide a mounting device for mounting a camshaft angle sensor in a fuel injection type multicylinder engine, the sensor being driven by a valve system camshaft and adapted to detect the injection timing when fuel is injected from a f...
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JP3908983B2 |
To provide a forcibly air-cooled engine for a motorcycle having an engine body using as part of components a cylinder head, which has an almost horizontal cylinder axis and on at least one of right and left side faces of which a spark pl...
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JP3910016B2 |
To provide a V-type internal combustion engine with odd cylinders capable of preventing the primary vibration by primary inertial force without causing increase in weight and size of the internal combustion engine. In this V-type interna...
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JP3907086B2 |
To provide an outboard motor with high flushing and washing efficiency. An outboard motor has a cooling water intake to accept water from the outside, a cooling water pump 27 to pump cooling water guided from the cooling water intake, a ...
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JP3907024B2 |
To prevent the intrusion of cooling water from an exhaust pipe into an engine flowing down from the engine to an oil pan. The exhaust structure of an outboard engine includes an engine support 12 fixed in a casing 10 for supporting an en...
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JP3907082B2 |
To reduce entering of water into an engine chamber by forming an air suction chamber cover integrally with an engine chamber cover and forming a bulkhead separately from the engine chamber cover. In internal space of cowlings 1, 2, an en...
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JP3907084B2 |
To provide an outboard engine capable of reducing the cooling water sucked into a manifold exhaust and preventing the rise of the temperature of a casing to the utmost. This outboard engine is provided with a guide exhaust 38 mounted wit...
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JP3903640B2 |
To realize a compact outboard motor by covering the surroundings of an engine with an engine cover separable into upper and lower parts and arranging an oil filter provided in the engine on a lower side than a separating face of the engi...
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JP3903646B2 |
To provide a steering device for an outboard motor that is simple in structure and can set the load of steering operation efficiently. This outboard motor is attached on a hull through a bracket device 16, and can be steered along a hori...
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JP3904414B2 |
To provide an engine igniter for a small planing boat allowing the mounting of a four-cycle engine, and not generating leak. The engine driving a jet propulsion pump is provided inside a boat body surrounded with a hull and a deck, a cyl...
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JP3903668B2 |
To provide an EGR device of an outboard engine capable of reducing the size thereof and simplifying the pipes thereof. The outboard engine 1 comprises a four-cycle engine 2 having a camshaft 33 and an EGR device purifying exhaust gases b...
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