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JP4269024B2 |
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JP4269026B2 |
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JP4270343B2 |
A first aspect of an oil distributing structure for an internal combustion engine includes a bearing support wall including a plurality of guide ribs which are radially mounted on a surface thereof. The guide ribs may be integrally forme...
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JP4267887B2 |
A personal watercraft designed to advance suitably in a forward direction, to prevent an influence of side waves, and to incline to the turning center side when being steered by an operator from a forward direction to a turned direction....
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JP4265710B2 |
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JP4265746B2 |
A threaded fastener is configured to reduce stress experienced at a female threaded portion of a hole formed in an engine block, when the threaded fastener is inserted therein, and when an axial load is applied thereto. In a particular a...
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JP4266245B2 |
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JP2009518579A |
An auxiliary power system for a motor vehicle primary engine used to drive primary engine accessories when the primary engine is not operating. The system comprises a secondary engine that drives a hydraulic pump. The hydraulic pump is c...
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JP4258591B2 |
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JP4259744B2 |
An arrangement for a four-cycle, direct injected engine for an outboard motor is disclosed. The engine includes a fuel injection system that includes a fuel pump, a plurality of fuel injectors, a fuel pump and a vapor separator. The vapo...
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JP2009092021A |
To provide an engine unit having a small V-bank angle.The engine unit 30 comprises an engine 31, and a throttle body assembly 50. The throttle body assembly 50 has front side throttle bodies 53a, 53b, rear side throttle bodies 54a, 54b, ...
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JP2009091906A |
To improve the cooling performance of the rear side cylinder of a V-type engine.On a body frame 2, the engine with a front side cylinder 18 and the rear side cylinder 19 arranged in a V-shape is mounted. The cylinders 18, 19 are each rou...
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JP2009091997A |
To provide a vehicle equipped with an internal combustion engine capable of sufficiently removing oil from blow-by gas containing oil.This motorcycle (vehicle) 1 is equipped with the engine including a crankcase part 15, a rear side cyli...
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JP2009092020A |
To provide a small engine unit having both reduced vertical and fore-and-aft sizes.The engine unit 30 comprises an engine 31, and a throttle body assembly 50. The throttle body assembly 50 has front side throttle bodies 53a, 53b, rear si...
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JP4260581B2 |
The object of this invention is to improve a one-way clutch incorporated into an engine of a motorcycle to remove the need for switching a gear to a neutral position in the case of push walk of vehicle. A one-way clutch 60 of this invent...
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JP2009092019A |
To miniaturize an engine unit with a throttle body assembly.The engine unit 30 comprises a V-type engine 31, and the throttle body assembly 50. The throttle body assembly 50 has front and rear side throttle bodies 53a, 53b, 54a, 54b, an ...
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JP4254466B2 |
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JP4252652B2 |
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JP4253208B2 |
A water-jet propulsion personal watercraft comprises a body including a hull and a deck covering the deck from above, a water jet pump disposed on a rear portion of the body and configured to propel the watercraft, an engine mounted forw...
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JP4252844B2 |
In a vertical engine, a bulged portion protrudes upwards, in conformity to a partially cylindrical outer wall of uppermost one of cylinders, on an upper surface of a cylinder block forming a bottom wall of a chain chamber accommodating a...
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JP4252682B2 |
The invention securely reduces an intake resistance in a high speed rotational range and thereby to contrive enhancement of a high speed output performance, while securing a low speed output performance of a parallel multi-cylinder engin...
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JP4252787B2 |
An outboard motor is provided with an engine compartment exhaust passage that is formed by joining via a joining part an exhaust manifold connected to a cylinder head and an exhaust guide connected to an exhaust passage of a mount case. ...
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JP2009068499A |
To provide a motorcycle having an engine equipped with a V-belt type automatic transmission and a centrifugal clutch, and capable of arranging a footrest on the side of a crankcase of this engine.This motorcycle includes: a crankshaft 21...
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JP2009067336A |
To protect a vehicle speed sensor while shortening the longitudinal length of an engine unit.A breather chamber 20 is provided at the rear end of a crank case 9 such that it protrudes upwardly. A vehicle speed sensor 17 for detecting the...
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JP4246202B2 |
A multistage Stirling engine 1 mounted on an automobile provided with an internal combustion engine has two cylinders 4 and 5. Displacer pistons 6 and 7 and power pistons 8 and 9 are slidably fitted in the two cylinders 4 and 5, respecti...
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JP4244559B2 |
The engine (3) has a crosswise positioned crankshaft (9), and cylinders (32) and cylinder heads (31) positioned so that the cylinder axis incline forwards. An intake system is located above cylinder axis. A secondary air supply track for...
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JP4244307B2 |
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JP4243221B2 |
To improve the appearance of a motorcycle and prevent dirt deposition on a step plate and a floor surface due to muddy water while adopting a structure of elastically supporting the step plate on a body frame. A floor member 52 having th...
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JP4244157B2 |
An outboard motor (1) including an under cover (10) forming a lower half portion of an engine compartment (18) is provided. The under cover is divided into left and right portions. A cable introduction cover (50) for introducing a plural...
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JP4244673B2 |
To provide an engine structure of a snowmobile designed to make an engine compact. The snowmobile 1 in which the upper half of a car element is covered with an openable engine hood 17 and an engine room 18 is formed at the internal part ...
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JP2009057879A |
To provide an oil passage easily formable toward a hydraulic control valve without having an influence on an installation part of a functional part, in an engine having a cylinder resting mechanism composed of a crankcase, a cylinder blo...
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JP2009052735A |
To provide a ring gear positioning structure and an assembly method, in which an eco-run system is composed as a sub-assembly, the sub-assembly of the eco-run system can be assembled, and the workability in assembling is improved.The ass...
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JP4236145B2 |
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JP4236066B2 |
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JP4236317B2 |
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JP4233706B2 |
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JP4232930B2 |
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JP4233740B2 |
In an outboard engine system, a throttle grip position maintaining device includes a retained portion integrally formed on a throttle grip, a friction member axially superposed on the retained portion, a support member mounted to a steer...
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JP4233647B2 |
To provide a multi-cylinder engine in which a plurality of cylinder bore rows, each including a plurality of cylinder bores disposed in parallel, are disposed in such a manner as to be perpendicular to a crank shaft disposed substantiall...
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JP4233648B2 |
A multi-cylinder engine in which a transmission mechanism is provided between a cam shaft linked with intake valves and exhaust valves and a crank shaft rotatably supported by a crank case and a plurality of bearing caps, wherein the tra...
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JP2009041571A |
To provide an air-cooling type cooling system of an engine of a motorcycle.The motorcycle includes a frame, a steering assembly mounted to a front portion of the frame and pivotable with respect to the frame to steer the motorcycle, a fr...
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JP4229412B2 |
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JP4229249B2 |
A high output 2-cycle engine and a watercraft powered by the 2-cycle engine. The 2-cycle engine includes a crank case having a water jacket, and a cylinder block with a water jacket for cooling the cylinder block. Cooling water is suppli...
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JP4230028B2 |
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JP4226720B2 |
To store the water penetrated into a hull, when the water runs into an intake system, in an intake chamber to prevent the suction to an engine by extending the intake pipe of the engine downward from a cylinder head, and connecting the i...
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JP4226257B2 |
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JP4222575B2 |
A grommet assembly for an outboard motor includes a grommet having a step, a flexible sleeve having a step and a connector configured to engage the step on the grommet and the step on the flexible sleeve. Preferably, the connector is in ...
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JP2009024700A |
To obtain an engine speed required for limp home in a state that normal throttle-opening control on an electronically-controlled throttle valve cannot be performed.In this engine control system for an outboard motor including an engine 2...
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JP4220056B2 |
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JP4219011B2 |
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