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JPH11229882A |
To provide a small and lightweight 2-cycle engine of a simple design, which is suitable for being inserted into an small capacity automobile, is structurally symmetrical, and has a low production cost. This 2-cycle engine has valve drivi...
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JP2936981B2 |
PURPOSE:To realize an operation as if equipped with an inoperative cylinder mechanism by efficiently realizing a lean burn operation physically structurally while using a variable valve mechanism without equipping the inoperative cylinde...
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JP2936988B2 |
PURPOSE:To promote low fuel consumption by stratified charge combustion by collecting mixture with a rich air-fuel ratio to an ignition means at the top center part of a combustion chamber in a laminar combustion type internal combustion...
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JP2934784B2 |
PURPOSE:To prevent breakage of a discharging part caused by combustion heat and attain high efficiency of combustion by making air and fuel collide on each other around the vertical midway in a cavity formed long and narrow to form an ai...
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JP2929398B2 |
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JPH11210477A |
To restrain the temperature of intake-air from lowering during stratified charge combustion so as to improve the combustion efficiency. The upstream and downstream of an intercooler 12 incorporated in an intake-air passage 4, are communi...
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JP2927839B2 |
A fuel supply/ignition device for use with a stratified combustion system includes a fuel chamber formed adjacent to a combustion chamber. The fuel chamber is provided with a valve for supplying a liquid fuel and a spark plug for generat...
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JPH11200863A |
To prevent diffusion of atomized fuel injected from an injector by changing a shape of a piston formed with partly a combustion chamber. In a combustion chamber for an internal combustion engine formed by a cylinder head, cylinder block ...
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JP2917617B2 |
A control device for an internal combustion engine having a cylinder and a spark plug, the control device including a fuel feeding unit for feeding fuel into the cylinder, feeding a part of an amount of fuel to be injected during an inta...
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JP2917713B2 |
PURPOSE:To secure an enough installation space for an injector in a cylinder injection type internal combustion engine that injects fuel to a combustion chamber directly, and drive the engine stably even in lean combustion. CONSTITUTION:...
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JPH11182679A |
To improve the heat radiation property, gas sealability, wear resistance, and scuffing resistance of a piston ring by enhancing the closeness between the piston ring and a ring groove by means of measures taken only on the piston ring. T...
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JPH11182246A |
To improve combustibility and exhaust cleaning performance by guiding large amount of EGR gas introduced from an external EGR tube through a suction means during partial load operation, and injecting a mixture of fresh air and fuel throu...
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JPH11182249A |
To provide the optimum layout of a combustion injection system in a direct injection spark-ignition type internal combustion engine. X/B (B is a cylinder bore diameter) is set in a range of 0.38-0.46, Y/B is set in a range of 0.41-0.50, ...
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JP2915382B2 |
To form an air-fuel mixture even around the spark plug of a combustion chamber by arranging the position of the fuel injection nozzle hole of a fuel injection valve on the circumferential edge part of the combustion chamber on the intake...
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JPH11173150A |
To enhance combustibility in time of stratified combustion, and improve fuel consumption and emission by making the rotational direction of a swirl of an injector, seeing this injector from the side of a base end part, different from tha...
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JP2597081Y2 |
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JP2906933B2 |
PURPOSE:To enable a tumble flow of rich mixture to be generated in a place close to an ignition plug by letting the engine be equipped with each intake port which is partitioned into a central passage and a side passage by a bulkhead, an...
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JP2906674B2 |
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JPH11153034A |
To improve fuel economical efficiency by increasing a fuel amount, at which a layer-form filling state is produced, as a wall wet state and the generation of sooth due to the wet state are prevented. Fuel is injected at a given speed and...
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JPH11506513A |
A fuel injection device operating on the solid-state energy storage principle and configured as a reciprocating plunger pump having a delivery plunger element, the delivery plunger element being moved from its starting position in the di...
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JPH11148408A |
To inhibit the generation of knocking and reduce the fuel consumption by setting a target air-fuel ratio so that the injection fuel during an intake stroke comprises the air-fuel ratio more than the lean combustibility limits in a divide...
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JPH11148429A |
To realize a low NOx, a low PM, and a low fuel consumption, by forming a swirl flow in a concentric circular form in a combustion chamber by each intake port, feeding the intake air with a different EGR gas amount according to the operat...
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JP2900805B2 |
PURPOSE: To reduce the NOx quantity without rusting the surface of a cylinder liner by spreading water, the quantity of which is controlled according to the output from an operating condition detecting means, from a water injection valve...
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JP2896757B2 |
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JPH11141371A |
To prevent discharge of an unburnt combustion fuel as much as possible. When a fuel arrival time being a time in which fuel injected through an injector 18 arrives at an exhaust port 22 is Tf and the number of revolutions of an engine is...
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JPH11107761A |
To provide a stratified scavenging two-cycle engine capable of satisfying regulation of total hydrocarbon discharge in an exhaust gas by simple constitution. This engine is constituted to have a piston 2, a cylinder 4, a crank case 6, an...
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JP2882265B2 |
PURPOSE:To achieve stratification of an air-fuel mixture by feeding an air-fuel mixture richer than a stoichiometric air-fuel ratio, to the surroundings of an ignition plug in a device provided with two independent intake valves for each...
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JPH1193676A |
To securely form an air-fuel mixture layer having a rich air-fuel ratio near a spark plug by forming an inner bottom surface of a recessed part formed in a top of a piston so as to be inclined upward along the turning direction of the in...
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JPH1193677A |
To improve reliability of stratified change in a cylinder fuel injection- type internal combustion engine in which two intake port out of intake ports and exhaust ports in relation to a combustion chamber of a cylinder head are formed, a...
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JPH1182097A |
To prevent the sudden increase of NOX exhaust quantity just after transfer by controlling the air-fuel ratio to a specified value or less until a prescribed holding time is passed after the transfer from the accelerating state of an engi...
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JP2873574B2 |
To suppress lowering of fuel consumption performance, output performance, and emission performance even during transfer of a fuel feed state as stratified combustibility and uniform combustibility are improved, in transfer of a fuel feed...
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JP2872842B2 |
The fuel injected two-cycle internal combustion engine having an exhaust control valve and direct cylinder injection. The fuel injection timing and duration are increased at starting over idle and the exhaust control valve, which is norm...
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JP2869195B2 |
A multimedia optical disc on which a variety of types of video titles are recorded and which enables a reproduction apparatus to instantly distinguish whether emulated AV functions may be performed for any of the titles. The multimedia o...
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JPH1162615A |
To reduce fuel consumption, and lower environmental pollution by providing an engine of ten cycles or more repeating intake strokes and exhaust strokes through one explosion. Mixed gas produced by a carburetor 5 is sucked into a cylinder...
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JPH1162595A |
To improve fuel consumption performance by unitedly performing scavenging and noise reduction of an internal combustion engine at the same time, reducing a total energy loss compared to conventional engine operation and sound absorbing, ...
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JPH1136871A |
To sufficiently reduce fuel consumption by expanding the area to allow a stratified combustion. In a cylinder injection type spark ignition internal combustion engine in which an ignition plug and a fuel injection valve to inject fuel in...
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JPH1136922A |
To keep the combustion stability including the stratified combustion in a wide range, by controlling an air fuel ratio and an injection timing of the fuel on the basis of a signal of an exhaust gas sensor, and controlling at least one of...
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JPH1130124A |
To improve the combustion state in the case where a swirling flow is formed in a cylinder, in a cylinder injection-type spark-ignition engine. An injection part 2 is provided on the tip of a fuel injection valve 1, and the flow of fuel s...
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JPH1122538A |
To accurately implement the failure diagnosis of A/D converters A/D-converting the detection signal of an air flowmeter. The detection signal of an air flowmeter is fed to an A/D converter for a main CPU and an A/D converter for a sub-CP...
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JPH1122517A |
To avoid torque fluctuation when stratified combustion is switched to homogeneous combustion. When an air conditioner is driven during stratified combustion, the equivalence ratio correction factor Δϕ is increased in steps to increase ...
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JPH1122531A |
To certainly avoid switch to wrong stratified combustion, by comparing permission judge by a software judging means with permission judge by a hardware judging means, and by permitting switch to stratified combustion, in a device which s...
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JPH1122534A |
To control the optimum injection timing and ignition timing in the twice injection mode in a direct injection gasoline engine implementing the twice injection mode including the suction stroke injection and compression stroke injection i...
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JPH1122543A |
To provide a cylinder fuel injection internal combustion engine having a low rate of fuel consumption by stably forming a state collecting the minimum rich air-fuel mixture required for ignition around a spark plug and the lean air-fuel ...
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JPH1122470A |
To achieve super-lean air-fuel ratio driving at the time of a light load while maintaining the maximum output at the time of lean air-fuel ratio driving of an engine. A first and second suction valves 51, 52 and a first and second suctio...
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JPH1122519A |
To improve fuel consumption and exhaust emission by properly switching stratified combustion and homogeneous premixed combustion according to the engine operating state and engine temperature. The region decision value L0 for switching s...
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JPH1113527A |
To stably generate a predetermined negative pressure in an intake pipe irrespective of the operating state (combustion state) of a direct injection engine. Combustion chambers CC for sedimentary combustion and combustion chambers CC for ...
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JPH112149A |
To simplify operation of a fuel injection pulse width by applying a method of adding an ineffective pulse width not in operation of the fuel injection pulse width but in a final output part to be outputted in a cylinder direct injection ...
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JP2840603B2 |
To save fuel consumption owing to lean combustion by stratified combustion at a low load, secure an output owing to uniform combustion in a high load region, and perform transition from the stratified combustion to the uniform combustion...
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JPH10339247A |
To provide stratified combustion by controlling fuel injection time. This intake device for internal combustion engines is provided with a bulkhead 29 dividing an intake passage 20 into a mixture passage 31 and an air passage 32, a fuel ...
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JPH10339215A |
To improve a precision of an EGR control of an engine. An accelerator opening θ a, a rotational speed of an engine Ne, a water temperature Tw and the like are inputted (S1), and either a stratified combustion or a homogeneous combustion...
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