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JP2014092085A |
To provide a control device for an internal combustion engine that performs tumble flow ratio feedback control for making an actual tumble flow ratio conform to a target tumble flow ratio, the control device enabling the ignitability of ...
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JP5489967B2 |
To maintain a proper combustion state by avoiding, in a combustion chamber of an internal combustion engine that jets fuel directly into a cylinder, the interference of an air-fuel mixture region by adjacent sprays and the interference o...
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JP5491339B2 |
To provide an intake device of an engine capable of opening/closing a passage of a part of an intake port of each cylinder by a simple structure, and performing superior opening/closing control by a small-output actuator.This intake devi...
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JP5489869B2 |
To strengthen tumble flow in an intake device constituted so as to provide the tumble flow swirling in the direction of an axial line 2a in a cylinder to intake air introduced into the cylinder 2 from two intake ports 5.Ceiling faces 5c'...
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JP5472456B2 |
The disclosed ammonia-burning internal combustion engine is able to supply ammonia and a highly combustible material, which is more combustible than ammonia, to a combustion chamber. When the amount of ammonia supplied to the combustion ...
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JP5447128B2 |
To provide a technology for increasing an EGR ratio and preventing combustion deterioration in an exhaust reflux device for an internal combustion engine that stratifies EGR gas and air in a combustion chamber.The exhaustion reflux devic...
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JP2014031772A |
To reduce a generation amount of smoke.A control device of an internal combustion engine which injects fuel from a fuel injection valve 4 into a cavity 32 formed by concaving a top face of a piston 3, includes control means 20 which redu...
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JP5413232B2 |
To provide a control device for an internal combustion engine stabilizing in-cylinder combustion at idling operation of the internal combustion engine, and suppressing hydrocarbon (HC) emission. The engine control device includes an in-c...
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JP2014013031A |
To provide a novel combustion method realized by innovative remodeling of a suction valve and a fuel injection valve in a combustion method for a compression-ignition system internal combustion engine, and provide a compression ignition ...
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JP5394775B2 |
To provide a control device for an internal combustion engine capable of inhibiting unnecessary operation of an intake air flow control valve accompanying gear change action. The engine includes a swirl control valve adjusting degree of ...
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JP5381920B2 |
To provide a TCV control device capable of preventing occurrence of "a failure" by generating "a target tumble ratio" suited to an engine running state in a cylinder.During engine running, "an estimated tumble ratio" is always calculated...
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JP5381913B2 |
To improve mixing property of fresh air and burned gas as much as possible upon reopening an exhaust valve during an intake stroke.The circumference edges of openings 41, 43 of a first intake port 12 and a first exhaust port 14, respecti...
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JP2013256913A |
To strike a balance between the prevention or suppression of the generation of a misfire or the like resulting from a delay of EGR control, and the introduction of an exhaust gas and new air into a combustion chamber by sufficiently mixi...
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JP2013253484A |
To provide an intake device capable of reducing exhaust of emissions.A first intake passage 11 for introducing fresh air to cylinders 1-4 of an engine and a second intake passage 21 for introducing exhaust gas or fresh air to the cylinde...
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JP5369045B2 |
To enable a continuous control of opening degree for forming a drift optimal for all opening rates in an internal combustion engine having a common intake port with an oblong ellipse cross-sectional shape.A flow control valve 6 having ri...
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JP5360012B2 |
To further strengthen a tumble flow generated in a combustion chamber for every engine cylinder, in an intake air swirl flow generator with multiple tumble control valves (TCVs).When a rotary valve as a valve element of each of the multi...
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JP2013238139A |
To improve combustion by causing a state of turbulence in a combustion chamber of a cylinder in ignition timing to be suitable.In an internal combustion engine in which an intake valve provided to an intake port is opened when a piston r...
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JP5350508B2 |
To reduce a situation where driving force applied from an electric actuator to a control valve is slightly changed and to suppress progression of wearing and deterioration of component parts of the electric actuator.A control valve 10 dr...
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JP2013234616A |
To provide a control device of an internal combustion engine that can suppress corrosion of a fuel injection valve caused by adhesion of condensed water sucked in a combustion chamber.An internal combustion engine (5) has a fuel injectio...
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JP5347449B2 |
To achieve secure ignition in a low load region and suppression of combustion noise in a high load region by making distribution of octane numbers of fuel in a combustion chamber 4 suitable for an engine operation state. Two fuel valves ...
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JP5347525B2 |
To provide an internal combustion engine in which combustibility can be improved. This internal combustion engine includes: first and second intake valves 22, 32 for opening/closing first and second inlet ports 21, 31 opened in a combust...
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JP2013231428A |
To suitably mix air and gaseous fuel, and then to achieve good combustion conditions in an internal combustion engine.In an engine 10, a gas injection valve 16 that injects gas fuel from an injection hole part 16a toward an air intake do...
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JP5333304B2 |
To inexpensively achieve a structure with an output gear member 11 and a sensor holding member 12 separately fitted and fixed around the periphery of one end of a pin rod 4 in a rotation axis direction. The fitting portion 31 of the pin ...
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JP2013217238A |
To solve the following problem: a conventional device does not include a function to control intake timing of an EGR rich gas, and consequently can not attain a stratified EGR for changing distribution of an EGR gas in a time division ma...
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JP2013217248A |
To provide an intake device of an internal combustion engine, for enhancing mixing of EGR gas and fresh air without reducing a tumble flow.An intake device includes an intake pipe 12b and an intake port 12a through which air taken into a...
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JP5321546B2 |
To adjust a spring force of a coil-like spring 10 transmitting motor torque to the valve shaft 6 of a TCV 5 which is the valve element of a tumble control valve corresponding to the operation situation of an engine.By an ECU, a target sw...
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JP5324236B2 |
To provide an intake device for an internal combustion engine having further improved fuel economy and exhaust gas performance without reducing the output of the internal combustion engine by controlling an intake air flow. The intake de...
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JP2013213409A |
To provide an intake device for an internal combustion engine that can properly maintain intake efficiency by reducing airflow resistance.In an intake device for an internal combustion engine, an intake path (P) is partially partitioned ...
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JP2013209944A |
To introduce a swirling current generated in an intake system into a cylinder without being disturbed.An intake passage 1 communicating with a cylinder chamber 3a is separated into a linear upstream side intake passage 1a and a linear do...
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JP5310951B2 |
The purpose of the present invention is to prevent variations in combustion between cycles and provide stabilized combustion by injecting fuel mainly through an intake port through which a reduced flow of air is allowed. An engine (10) i...
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JP2013199877A |
To enhance a stratifying degree of intake air in a combustion chamber while securing fresh air quantity.An intake and exhaust device has an intake pipe 12T connected to a tumble port supplying a tumble flow to a combustion chamber and su...
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JP2013194585A |
To provide an intake port in which intake air into a combustion chamber flows in a vertical direction to easily generate a tumble flow without lowering a flow rate of the intake air.In an intake port of an internal combustion engine, fro...
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JP5301980B2 |
To appropriately detect a loss of a valve element itself of a tumble control valve. In a branch part 11a of intake air 11 which is independent for each cylinder, a pressure takeout hole 14 is formed near the valve element 12 of the tumbl...
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JP5296845B2 |
Described herein is a new architecture of a combustion chamber for a diesel engine, which allows arranging the engine valves (VA1, VA2, VS1, VS2) according to an axis (VX) inclined with respect to the cylinder axis (CX) by an angle (±) ...
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JP5299177B2 |
To provide a combustion control device for an internal combustion engine, equalizing an in-cylinder temperature of each cylinder, while suppressing variation in air-fuel ratio in each cylinder. The combustion control device is applied fo...
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JP5293874B2 |
To provide an intake device of an internal combustion engine, configured to unevenly distribute high-temperature air in a cylinder, without complicating device structure.The device includes: an intake port 11 which forms an air flow f1 a...
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JP5278600B2 |
An object of this invention is to provide a technology wherein a stratification of an EGR gas with an air-fuel mixture or a fresh air is achieved and capable of introducing the EGR gas in a large quantity, even when an engine load is hig...
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JP5278399B2 |
The device (50) has a determining unit (51) for determining whether a load of a machine is higher than a preset value. A control device (52) controls concentration of combustion gas in an outer part of a combustion chamber (6) of the mac...
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JP5272611B2 |
To provide a spark-ignition internal combustion engine appropriately improving engine efficiency. Single chamber volume is set to 300 cc or more, and a geometric compression ratio is set to 13 or higher. The spark-ignition internal combu...
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JP5267472B2 |
To improve the strength of a valve element 5 without deteriorating problems of a side clearance due to a reinforcing fiber and an elastomer component included in a resin material in a TCV device 1. A valve element 5 has a metal plate 30 ...
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JP2013160194A |
To provide a fuel injection control device with which exhaust emission of an internal combustion engine can be remedied and performance of the internal combustion engine can be improved by effectively utilizing oxygen and fuel within a c...
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JP2013160164A |
To solve a problem that, in a conventional intake system, since a valve of a tumble control valve cannot be held stably at a prescribed intermediate position corresponding to an operation situation of an engine, desired tumble performanc...
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JP5262991B2 |
To prevent misfire due to heavy carbonization of an ignition plug 16 when a spark ignition type direct injection engine E is in an operating region of a low load low rotation side, and it is cooled down. Basically, a TSCV 12 is closed in...
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JP5263818B2 |
To provide an auxiliary chamber type gas engine capable of enhancing efficiency by advancing the ignition timing and preventing the occurrence of knocking. In the auxiliary chamber type gas engine (100) for combusting a mixture of fuel g...
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JP5257054B2 |
To provide a spark-ignition direct-injection engine having superior ignition stability and combustion stability even if ignition is carried out after a compression top dead center in particular operation of the engine, capable of quickly...
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JP5251910B2 |
To provide a suction and exhaust device for an engine equipped with a low-pressure EGR device, capable of precluding misfire on deceleration by supplying the air containing no EGR gas to a combustion chamber quickly on deceleration.An in...
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JP2013144944A |
To provide an engine which can reduce pumping losses when a low swirl is demanded and strengthen a swirl flow when a high swirl is demanded.The engine includes: a first intake port 22a for supplying intake air into a cylinder 21; a first...
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JP5243592B2 |
To provide a control device for an internal combustion engine that can suppress the generation of exhaust gas generation and the deterioration of fuel consumption caused by a state of a heat insulation layer of hot gas formed along the w...
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JP5239720B2 |
To surely prevent knocking in a spark ignition internal combustion engine and improve thermal efficiency. This internal combustion engine includes a pair of exhaust valves 8 and a pair of intake valves 7, a first spark plug 9 at roughly ...
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JP5240417B2 |
The evaporation rate and the oxidation rate of fuel injected into a combustion chamber are calculated, and a diffusion combustion start time is estimated to be the time when this fuel evaporation rate and fuel oxidation rate arrive in a ...
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