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JP2000265843A |
To closely adhere a pipe to a partitioning plate in the exhaust pipe composed of a pipe formed out of a large diameter part, and of a small diameter part having a gradual change part of diameter between the large and small diameter parts...
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JP3092727B2 |
PURPOSE: To prevent a foreign matter from being sucked into a cylinder by providing a detector for detecting an overlapping quantity of a closing timing of an exhaust valve and an opening timing of an intake valve, and a secondary air re...
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JP3089678B2 |
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JP2000248946A |
To attain high efficient pulse supercharging in the case of possible simple execution and when energy consumption is small. This device for pulse supercharging of an internal combustion engine is provided with a constitutional member 42,...
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JP2000248948A |
To provide an exhaust control method of an engine and a device thereof which can improve trapping efficiency without any change added to a manifold. In an engine of a plurality of cylinders pressing a valve by an external periphery of a ...
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JP2000234522A |
To provide a low leak air valve assembly for an intake manifold. In this valve, by mounting a butterfly valve on a rotational axis a low leak air valve assembly for an intake manifold is constituted. The butterfly valve comprises a first...
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JP2000230424A |
To remarkably reduce the exhaust amount of hazardous substances. In an exhaust manifold comprising first to fourth runner pipes 11 to 14 communicating with each cylinder of an engine, coupled with the upper end of a mixing pipe 6. The in...
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JP3078650B2 |
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JP3075737B2 |
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JP2000220542A |
To provide an intake device for internal combustion engine, which has good charge efficiency and simple structure. The intake device 4 of a multi-cylinder type internal combustion engine 1 includes two cylinder banks 2 and 3 opposing to ...
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JP3073517B2 |
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JP2000204957A |
To solve a problem on black smoke during light load operation. A diesel engine 1 is provided with a supercharger 2, and a reduction gear 3. The supercharger 2 is driven by exhaust gas and compresses air and supplies the compressed air to...
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JP3067783B2 |
An engine has a torque peak in a middle engine speed range. An engine output control system reduces the engine output torque in the middle engine speed range so that the torque characteristic curve of the engine becomes flat when the veh...
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JP2000199461A |
To prevent deterioration in output performance by connecting branch pipes corresponding to respective cylinders having successive intake timings to a corresponding side-wall of a surge tank that is oriented in a cylinder-bank direction s...
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JP3063008B2 |
PURPOSE:To reduce width of side-by-side arrangement of intake ports to a minimum in a motorcycle in which a plurality of intake ports of an evaporator are transversely arranged in an air cleaner, in a widthwise direction of the bike. CON...
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JP3064883B2 |
To ensure high surface rigidity while suppressing the increase of circulation resistance. A reinforcing wall 20 for connecting an upper wall 11a and a lower wall 11b which are opposed to each other in a capacity chamber 1 is provided on ...
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JP3062257B2 |
PURPOSE:To suitably arrange air intake passages to miniaturize an engine by providing small sized collecting part for collecting independent intake passages of the same-length for respective cylinders, thereby effectively utilizing the d...
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JP2000186640A |
To suppress a manufacturing cost through simplification of the variable structure of the intake system of a V-type engine and to prevent the occurrence of unevenness in valve operation between right and left banks. An intake manifold com...
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JP2000186642A |
To form an engine in a compact manner. A four-cycle V type cylinder engine comprises a crank shaft disposed in a vertical state; a cylinder forming V banks RB and LB; an intake port opened between the V banks; surge tanks 35a and 35b con...
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JP2000186561A |
To prevent the occurrence of wrong compatibility between torque fluctuation and an air-fuel ratio during switching and to reduce the size of a device. The inner wall part on the surge tank 16 side of the part B on the upper stream side o...
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JP3055427B2 |
PURPOSE: To attain inertial intake and EGR according to an operation condition of an engine in a single device while commonly utilizing parts. CONSTITUTION: An intake pipe 11 has one end communicated with a combustion chamber 5 of an eng...
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JP3053823B2 |
There is provided a method for controlling an exhaust system of a vehicle including a controller for controlling an open-close operation of an on-off valve which is provided at an intermediate portion of one of a pair of exhaust pipes ar...
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JP3054224B2 |
The invention relates to an internal combustion engine with delayed charging using valves in the intake pipes (8). The valves are held closed during the initial phase of the intake stroke of each cylinder, and are opened rapidly at a cer...
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JP3051194B2 |
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JP2000154714A |
To use a standard catalyst, making a light-off characteristic excellent, by providing a detour path communicating an exhaust manifold and a manifold converter except a direct path and selectively using either one of the direct path and t...
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JP2000154725A |
To provide a chamber in the intake system path of an automobile engine, and use the chamber as both an expansion chamber and a silencing chamber.A chamber 6 is formed outside a suction pipe connecting an air cleaner to an intake manifold...
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JP3046699B2 |
PURPOSE: To solve problems on the vibration of a throttle body and strength while securing branch length so as to make the device compact. CONSTITUTION: A throttle body 14 is disposed on one side of the intake port 4 side of an engine bo...
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JP2000145464A |
To provide a swirl control valve which can stabilize a combustion condition by optimizing gas flow in a whole operating range of an engine. A swirl control shaft 1 is mounted in an intake passage of an intake manifold so that it can move...
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JP2000145554A |
To reduce the dimensions of inertia supercharged intake manifolds having surge tanks and branch pipes each independently interconnecting the related surge tank to a cylinder, and reduce intake noise leakage from the external surface of t...
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JP2000120424A |
To effectively obtain a muffling effect in low engine rotation and a back pressure elevation preventing effect in high engine rotation though an installation space is for one pipe.This exhaust pipe EP1 is divided into two, a first passag...
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JP2000120456A |
To restrain the temperature of exhaust air from being lowered down, and accelerate the activation of catalyst in an early stage.Paired exhaust branch passages 33a and 33b and paired exhaust valves 18a and 18b capable of executing variabl...
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JP3036378B2 |
PURPOSE: To properly switch a valve opening and closing timing by setting a switching set point near the current engine rotating speed as the optimum switching set point, and switching the switching operation timing of a valve opening an...
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JP2000104554A |
To save a mounting space and to maintain excellent opening and closing operation of a control valve without being influenced by a backlash in the power transmission route of an actuator.A drive device to drive the opening and closing of ...
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JP2000504390A |
A device for optimizing the efficiency of an internal combustion engine of the type having at least one cylinder within which a piston moves. The cylinder receives an air-fuel fresh gas mixture via an intake system or channel incorporati...
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JP2000104545A |
To reduce the occurrence of interference of exhaust gas without bulking an exhaust manifold.An exhaust manifold 7 is formed that four branch pipes 15 are connected to a single collection pipe 16 and the branch pipes 15 are connected to t...
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JP3030378B2 |
PURPOSE: To comparatively reduce the rate of change of the effective length of a suction pipe and to improve controllability by a method wherein a moving mechanism to variably set the position in the axial direction of one opening or the...
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JP3032142B2 |
To certainly and inexpensively produce a plastic hollow chamber structure rich in flexibility by constituting the same of two plastic casing parts having corresponding seal surfaces and one insert having a corresponding seal surface form...
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JP3028017B2 |
PURPOSE: To drive a fuel pump and an exhaust characteristic regulating valve for a fuel injection device. CONSTITUTION: An accessory drive generator coil 4a which are common to a pump motor 7A and an exhaust characteristic regulating val...
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JP2000504082A |
An internal combustion engine is provided with a vacuum pump (17) to remove burnt gases form the engine cylinders during an exhaust stroke. The vacuum applied by the pump (17) is sufficient to remove the gases during an exhaust stroke an...
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JP2000097033A |
To provide an intake system for an internal combustion engine having good resonance effect over the chief engine speed range and assuring optimization about the component cost.An intake system 1 equipped with a device for utilization of ...
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JP3026950B2 |
To obtain a valve which has highly advanced sealing ability and a little dimensional dispersion. A combustion air suction system is equipped with an intake manifold for supplying air to an engine through a pair of suction runners differe...
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JP3026684B2 |
PURPOSE: To increase a purification efficiency of exhaust gas with catalyst by detecting oxygen concentration of overall engine exhaust gas without detecting exhaust gas deviatedly from either exhaust gas pipe when exhaust gas pipes are ...
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JP3023817B2 |
PURPOSE: To increase air intake inertia effect and charging efficiency and raise output torque by charging the length of an air intake passage in such a way that it becomes long in the low speed operation region below a second set number...
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JP2000080916A |
To prevent the occurrence of such an exhaust cycle as being subject to a minus effect with one another, of individual cylinders put together in a group in order to attain a high torque level on the whole. This exhaust system for a multic...
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JP2000502774A |
PCT No. PCT/SE96/01763 Sec. 371 Date Oct. 1, 1998 Sec. 102(e) Date Oct. 1, 1998 PCT Filed Dec. 30, 1996 PCT Pub. No. WO97/24517 PCT Pub. Date Jul. 10, 1997An intake system for internal combustion engine comprises a separate intake manifo...
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JP2000064919A |
To provide an intake device of an internal combustion engine, which can attempt compatibility between reduction of intake noise and improvement of output performance by a simple structure. This intake device is equipped with a main duct ...
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JP2000054848A |
To most suitably control the intake and exhaust to improve the combustion efficiency by providing an exhaust junction part for joining secondary exhaust gas to the high-speed primary exhaust gas discharged from a primary exhaust port fro...
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JP2000038930A |
To provide an intake manifold capable of connecting the actuating shaft of an actuator to the turning shaft of intake control valves by means of a simple structure and having superior durability. This intake manifold has intake paths 12 ...
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JP2000038932A |
To transmit the motive power of an actuator to an intake control valves securely, as well as to rotate the divided shafts smoothly. This intake device is provided with a housing 10; plural intake passages 12 formed to the housing 10; int...
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JP3004325B2 |
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