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JP2002242682A |
To provide an inlet system of a V-type four stroke engine for an outboard motor capable of varying inlet characteristics according to the operation state of the engine without enlarging an engine hood.The four stroke engine for the outbo...
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JP3318357B2 |
PURPOSE: To provide the intake air control device of an engine which enlarges a region where an intake air control valve is operable in a fully closed state and enlarges an operation region where an effect to improve the efficiency of fu...
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JP2002235545A |
To provide an intake device for a multiple cylinder engine provided with a variable intake valve opened and closed in an intake passage and capable of holding an airtight condition required for the valve opened and closed in the intake p...
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JP3316855B2 |
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JP3313752B2 |
PURPOSE: To effectively reduce the discharge of the uncombusted component, as for an exhaust controller for an engine which is constituted so that the discharge of the uncombusted component is reduced by adjusting the exhaust pressure of...
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JP2002523665A |
An induction device for an internal combustion engine with an intake pipe having dimensions which can be varied within predetermined limits. The intake pipe is made up of at least one resonance pipe (R) coupled via a resonance volume (43...
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JP2002523666A |
The suction system is designed so that resonance or vibrational pipe charge is producible in entire selectively the geometry of the suction pipe taken changeable within specified limits, so that selectively a resonance of a vibrational p...
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JP3310156B2 |
To miniaturize an intake device by connecting intake ducts from second and third cylinders to two upper connecting portions, respectively, while connecting intake ducts from first and fourth cylinders to two lower connecting portions, re...
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JP3304751B2 |
To provide an efficienl supply of intake air optimal for engine running by changing an intake air passage length following the longitudinal change of an intake air passage area. An intake air passage structure includes a branch pipe 10 c...
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JP3303706B2 |
To improve intake efficiency of air toward a combustion chamber by solving the fault of variable intake system in which inertia supercharging effect is utilized. In an intake control device, in the case where two throttle valves are arra...
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JP2002199688A |
To suppress the looseness of a movable core in a solenoid actuator operating a mechanism to be connected by a shaft connected to the movable core moved in the axial direction on the side of a fixed core against the urging force of a spri...
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JP2002520536A |
A charge control device for a reciprocating IC engine, especially a gas engine, containing at least one cylinder (4) in which works a piston is connected to a crankshaft(10). The cylinder has an inlet opening (16) in which an inlet valve...
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JP2002520531A |
The invention concerns a method for operating a pollution-free engine chamber by injecting supplementary compressed air, comprising a suction and compression chamber (1) and an expansion and exhaust chamber (4) independent of each other,...
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JP3300101B2 |
PURPOSE: To smoothen exhaust flow in respective exhaust pipes and a communicating pipes so as to improve engine performance in the case of providing a communicating pipe to communicate a pair of exhaust pipes to each other, and opening/c...
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JP2002188536A |
To attain increasing of an engine output while knocking can be surely prevented by adequately setting the length of an intake pipe, relating to an internal combustion engine with supercharger suited for use in an internal combustion engi...
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JP3298244B2 |
PURPOSE: To prevent generation of shock accompanied with fluctuation of intake conditions during detection of abnormality by keeping a condition of an intake variable means before changeover of opening/closing operation during execution ...
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JP2002180839A |
To prevent intake resistance or flow noise caused by a closing valve or a valve shaft with a simple structure and to enhance an inertia supercharging effect.By employing a poppet type closing valve 31, the closing valve 31 is installed i...
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JP3295397B2 |
To provide a muffler having a short overall length, and having an effective sound suppression function and a scavenging promoting effect. A muffler is composed of an exhaust gas introduction chamber for receiving therein exhaust gas from...
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JP3295605B2 |
To compactify an intake controller provided with a cylindrical rotary valve functioning as a surge tank by arranging a sectioning plate extending in the axial direction in the rotary valve so as to divide the inside of the rotary valve i...
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JP3286792B2 |
PURPOSE: To improve output of an engine at a high rotating speed while using catalyst. CONSTITUTION: An exhaust pipe 2 is constituted into a double pipe construction, and the exhaust pipe 2 is provided with a high rotation territory pass...
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JP2002147300A |
To provide an intake device for an internal combustion engine improving the degree of freedom in arrangement of a PCM inside an engine room and improving a cooling effect of the PCM.This intake device for the internal combustion engine i...
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JP2002130063A |
To assemble a rotary valve improved in assembling workability while ensuring the sealing property, in an intake manifold in a variable intake device of a multi-cylinder internal combustion engine wherein the rotary valve is rotatably ins...
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JP2002130064A |
To improve the assembling workability while ensuring the sealing property to assemble a rotary valve in an intake manifold in a variable intake device of a multi-cylinder internal combustion engine wherein the rotary valve is rotatably i...
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JP3275424B2 |
PURPOSE: To prevent the occurrence of interference of intake air between a plurality of cylinder groups and to reduce incurring of an engine pump loss by closing an intake control valve to intercommunicate or disconnect a plurality of vo...
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JP2002106355A |
To provide an operating characteristics variable device for an engine to realize further flatness of output torque throughout a whole operation area.The operation characteristics variable device for an engine comprises a valve operating ...
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JP2002106356A |
To provide an operating characteristics variable device for an engine to improve intake air filling efficiency by enhancing a supercharge effect at a wide rotation speed area and realize further flatness of output torque throughout a who...
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JP2002098015A |
To make inertia supercharging even by eliminating intake resistance imbalance between cylinders in a spiral intake manifold.The spiral intake manifold 1 has a collector chamber part 2 and a plurality of spiral intake passages 3 extending...
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JP3269898B2 |
PURPOSE: To ensure a bank angle without obstructing operation of a motorcycle. CONSTITUTION: An exhaust valve device 20 for a motorcycle which is constituted by a valve 23 for blocking the cross section of an exhaust pipe so as to enable...
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JP2002089271A |
To provide a safety device capable of improving rotational moment behavior of an internal combustion engine in a wide rotational frequency range, in other words, to a range of an average rotational frequency, for an intake equipment havi...
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JP2002081324A |
To optimize an intake layout, to improve combustion using a pulsation effect, and to improve output torque by the combustion improvement.An engine, a supercharger disposed in a midway part of an intake system communicating with the engin...
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JP3265950B2 |
To stably obtain an intake inertial effect in a low rev range by eliminating sliding resistance between a movable intake pipe and a fixed intake pipe, and surely eliminating the possibility that a short-circuit air stream arises between ...
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JP2002070564A |
To provide an optimal intake air efficiency by simplifying and miniaturizing a structure, and reducing the weight of an intake manifold having a variable intake mechanism and varying the capacity of a collector according to the operation...
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JP2002070566A |
To provide a compact engine feeding system with a tumble control valve facilitating the fitting works by solving problems in fitting a conventional type tumble control valve, which is a butterfly valve fitted with a thin plate to a shaft...
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JP2002070656A |
To provide an intake device for an engine capable of improving torque by establishing the action of a variable valve for dividing plural intake passage groups into respective intake passage groups according to the operation state of an e...
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JP2002506951A |
An air induction device (11) for an internal combustion engine including an air filter housing (12) with an open induction tube (13) leading away from it and a supplementary induction tube (14) having a closing element, preferably in the...
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JP3261964B2 |
To prevent the occurrence of unevenness in output characteristics between cylinders and to improve the output characteristics of the whole of an internal combustion engine throughout the whole operation region of the internal combustion ...
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JP3261347B2 |
To provide a diaphragm actuator which has a small number of pieces of components and a compact structure and which drives a pair of output rods. An inside of a housing 18 is partitioned by a pair of diaphragms arranged opposite to each o...
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JP3255006B2 |
To reduce an exhaust amount of HC which is not burned when an engine is started and reduce nevenness in a suction air amount between each air cylinder after the start of the engine is completed. An independent throttle valve 10 is arrang...
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JP2002038959A |
To simplify the constitution of a variable intake system and to reduce the number of parts by imparting to a throttle valve a function as a valve for switching a passage in the variable intake system.This device has the throttle valve 24...
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JP3252568B2 |
PURPOSE: To simplify a structure and improve torque characteristics by providing a changeover valve driving mechanism which drives changeover valves of secondary intake passages according to operation conditions of a V-type engine. CONST...
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JP3250475B2 |
To change an intake pipe length according to a driving condition so as to improve a stratified degree, stabilize combustion and improve fuel economy and output in a cylinder injection type internal combustion engine. A cylinder injection...
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JP3250299B2 |
PURPOSE: To provide an air cleaner for a motorcycle capable of varying the length of a funnel while participating in engine rotation to improve engine output, by housing a S-shaped long funnel 10 a cleaner case having a limited size. CON...
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JP2002502003A |
The induction unit for an engine (18) has at least one separate air collector (14), from which induction tubes (16) for the individual cylinders go to the cylinder inlets. These tubes are in the form of resonance tubes for the high revs....
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JP3248439B2 |
To change an intake pipe length according to a driving condition, stabilize combustion and improve fuel consumption and output in a cylinder injection type internal combustion engine. A cylinder injection type internal combustion engine ...
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JP3248429B2 |
To increase a freedom degree of setting of peak engine speed where a resonance supercharging effect in each intake mode is the maximum in the case that four intake modes are set by the switching operation of two kinds of intake control v...
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JP3249163B2 |
PURPOSE: To improve low speed torque by a method wherein the number of tuning revolutions at which suction dynamic shiftening occurs is set to a value being the low speed side lower than the intercept point of a turbosupercharger and the...
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JP3248744B2 |
PURPOSE: To effectively restrain the vibration of an exhaust system, without causing nonconformity of lowering the durability of joints, in an exhaust system arrangement configuration for an engine in which an exhaust passage is parted o...
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JP2002013658A |
To increase reduction gear ratio without having to need a large twist return spring for increasing the load of a motor, in a rotary selector valve.This rotary selector valve 10 has a low-voltage low-current drive motor 28 driving a valve...
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JP2002004825A |
To solve the conventional problem that sufficient lubrication of a valve seat part cannot be effected, since lubrication oil mist flows reversibly and lubrication oil mist does not reach a valve seat part, even if suction of lubrication ...
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JP3244909B2 |
PURPOSE: To provide an intake air control device where the arrangement and structure of each switching valve is simple, the arrangement space of an actuator for each valve or the like can be easily secured, and the resistance of the inta...
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