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JP4587259B2 |
The invention relates to a fuel injection valve for internal combustion engines and a method for producing the same. The inventive valve comprises a valve base body (2). A piston-shaped and axially moveable valve element (12) is arranged...
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JP4582064B2 |
An apparatus aims at learning a deviation from a reference injection characteristic of a fuel injector provided for a cylinder of an engine having an output shaft. In the apparatus, a detecting unit is configured to detect a minimum inte...
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JP4582191B2 |
The apparatus has a fuel injection valve injecting a fuel, and a nozzle needle opening and closing an emitting hole. An electromagnetic drive-type pressure regulation part carries out a reciprocation drive of the nozzle needle. A drive c...
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JP4571669B2 |
A fuel injection valve is provided for introducing a fuel into an engine and controlling fuel flow to reduce variability between injection events. The fuel injection valve employs an arrangement for a valve nozzle that cooperates with a ...
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JP4571771B2 |
In an injection system for an internal combustion engine, having one fuel pump per engine cylinder to be supplied of the engine, the pump being controlled electronically, having an injection nozzle that is provided with a nozzle needle, ...
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JP4564002B2 |
A fuel system for use in an internal combustion engine includes a plurality of fuel injectors, each injector including at least one capillary flow passage, the at least one capillary flow passage having an inlet end and an outlet end, a ...
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JP4567288B2 |
A pump assembly flows pressurized engine oil to HEUI fuel injectors in a diesel engine. The assembly includes an inlet throttle valve which controls the volume of oil flowed to the pump dependent upon the difference between the pump outl...
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JP4567264B2 |
A fuel injection is effected by means of a high-pressure pump (2) and a pressure reservoir chamber (6) for generating and storing a first system pressure. This system pressure is not used for injection; instead, by means of the pressure ...
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JP4552660B2 |
To realize improvement of a problem accompanying with pilot injection while realizing reduction of combustion noise by the pilot injection in a compression ignition internal combustion engine for performing the pilot injection. The compr...
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JP4550340B2 |
A fuel injection system has one or more unit fuel injectors or pump-line-nozzle units, corresponding in number to the cylinders, for compressing the fuel. The fuel injection system includes means for generating two different injection pr...
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JP4546872B2 |
Described herein is a closed-loop electronic control system (1) for controlling combustion in a diesel engine operating with highly premixed combustion (PCCI), in which an injection system (14) is designed to obtain at least two injectio...
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JP4548214B2 |
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JP4538442B2 |
Change in number of pilot injection is avoided in a transient response of an engine, so that driving feeling and travelling feeling are improved. When pilot injection is performed, whether fuel injection amount Q immediately before the p...
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JP4536710B2 |
The injection system comprises a high-pressure pump (7) with variable flowrate, having a number of pumping elements (18) actuated with reciprocating motion and provided each with a corresponding intake valve (22). An accumulation volume ...
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JP4529892B2 |
To simply and highly accurately grasp dispersion among cylinders, and improve controllability of a fuel injection control. High-pressure fuel is stored in a common rail 12, and is injected and supplied to each of cylinders of an engine 1...
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JP2010180825A |
To provide a fuel injection control device capable of injecting fuel with proper injection timing.In this fuel injection control device 10 for controlling injection of fuel to an engine 1, a fuel injection valve 6 injects the fuel suppli...
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JP4524966B2 |
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JP4525494B2 |
To achieve early activation of a catalyst and reduction of HC generated by after-burning by drastically delaying ignition timing, to suppress adhesion of fuel spray to a wall face, and to reduce HC emission amount. At cold start of an in...
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JP4525509B2 |
To materialize rise of exhaust gas temperature and reduction of HC emission at a time of cold engine by compatibly establishing large delay of ignition timing and combustion stability. Normal stratified combustion operation and homogeneo...
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JP2010174781A |
To improve injection quantity accuracy, or to promote the atomization of a spray while reducing input energy to an actuator.A direct drive type outer needle 18 which is driven to a valve open direction by pressure generated by the actuat...
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JP2010168911A |
To achieve the uprightness of the initial injection rate gradient and reduce the dynamic leak amount of a fuel injection valve.This fuel injection valve includes an inflow side throttle valve element 26 for varying a flow passage area (i...
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JP4518516B2 |
A fuel injection nozzle (1) for internal combustion engines comprises a nozzle base (2) having at least two injection orifices (11, 15), an outer injector needle (4) and an inner injector needle (5). The outer injector needle (4) is conf...
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JP4503770B2 |
Disclosed herein is a method of controlling operation of a diesel engine (2) to reduce the amount of particulate matter generated during the fuel combustion; the diesel engine (2) being equipped with a common-rail fuel injection system (...
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JP4502129B2 |
To provide a fuel injection control device of an internal combustion engine capable of improving durability of an engine, and capable of lengthening a maintenance interval by restraining oil dilution caused by an ignition timing delay of...
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JP4503595B2 |
A fuel system for use in an internal combustion engine includes a plurality of fuel injectors, each injector including at least one capillary flow passage, the at least one capillary flow passage having an inlet end and an outlet end, a ...
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JP4495434B2 |
A fuel injection system has the ability to produce two different spray patterns depending on the positioning of a needle control valve member. Positioning of the needle control valve member determines which of the two needle control cham...
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JP4492811B2 |
To provide a control device of a cylinder injection type internal combustion engine capable of improving drivability in acceleration, by preventing the occurrence of a misfire and a shock by switching of an operation mode in the accelera...
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JP4493855B2 |
Pumps and injectors utilize a control valve having a valve body with a valve stem having a step adjacent to the seating surface. The step extends a limited distance away from the seating surface to provide limited pressure relief when th...
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JP4494801B2 |
The diesel engine comprises a device for controlling the flow of injected fuel with at least one fuel injector supplying a combustion chamber, controlled by a processor provided with unit (80) for controlling a series of operations of th...
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JP4492399B2 |
To raise the exhaust gas temperature and to reduce an HC discharge quantity in a cold engine, by making a large ignition timing delay of the ignition timing compatible with combustion stability. Ordinary stratified combustion operation a...
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JP4493593B2 |
To provide a self ignition engine of a configuration which makes output control corresponding to load fluctuation and is usable even in an operation range in which load fluctuation is relatively large. In the self ignition engine of the ...
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JP2010138821A |
To provide an accumulator fuel supply pump for forcibly feeding high pressure fuel while suppressing an increase in the amplitude of stress which is generated in a pressure chamber, and to provide an accumulator fuel supply device equipp...
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JP4484882B2 |
The present invention relates to fuel injection in internal combustion engines and to fuel rate shaping. Especially, the invention relates to combustion engines utilizing heavy fuel oil as a fuel. In the body of the device there is arran...
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JP4482335B2 |
A fuel injector for vaporizing a liquid fuel for use in an internal combustion engine. The fuel injector includes at least one capillary flow passage, the at least one capillary flow passage having an inlet end and an outlet end, a fluid...
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JP4483706B2 |
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JP4476289B2 |
An arrangement in the fuel injection system for controlling the fuel injection, the arrangement comprising a body part with a space arranged therein, through which space the fuel to be injected flows during operation, the space further h...
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JP4472932B2 |
A combustion control device for an engine, comprises a fuel injection valve (9) for injecting a fuel into a combustion chamber (10), ignition timing adjustment unit (19) for adjusting an ignition timing of a mixture inside the combustion...
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JP2010112284A |
To provide a small fuel injection valve requiring less injection energy to an actuator and independently controlling an opening and closing valve timing of a first needle and a second needle.In this fuel injection valve, the first needle...
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JP4460430B2 |
Method for controlling a diesel engine with a common-rail injection system and a particulate filter, comprising the steps of performing at least one main injection (PRE, MAIN, AFTER) of fuel into a cylinder of the engine, the fuel being ...
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JP4458036B2 |
An internal combustion engine includes neighboring main and auxiliary combustion chambers (4,12) that are separated by a partition wall (13) including a communicating passage (13a). Ignition of an air/fuel mixture in the auxiliary combus...
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JP4458118B2 |
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JP4447595B2 |
The fuel injection system, for an internal combustion and especially diesel motor, has a 2/2 path valve (6) in front of the pressure-controlled injection valve (7) for fuel held in a pressure storage (3). A 3/2 path valve (4) is in front...
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JP4442003B2 |
To avoid deterioration in fuel consumption and sharp increase in smoke when NOx is discharged from a NOx absorption reduction type catalyst 22 of a direct injection type diesel engine. NOx is discharged from the catalyst 22 by decreasing...
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JP4442491B2 |
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JP4444234B2 |
A fuel-injection system in an internal-combustion engine is provided with an electroinjector (1) comprising an injection nozzle (5), and a needle (7) mobile along an opening stroke and a closing stroke for opening/closing the nozzle (5) ...
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JP4441973B2 |
To enhance NOx reduction purification ability when a oxidation catalyst 22a and a NOx trap catalyst 22b are respectively arranged at an upstream side and a downstream side of an exhaust passage 20. When NOx is released from the NOx trap ...
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JP4443051B2 |
A fuel injection valve for internal combustion engines, having an axially movable valve member which, with its end oriented toward the combustion chamber, opens and closes a through flow cross section to at least one injection opening an...
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JP4437083B2 |
The valve (1) comprises valve chamber (14) connectable to high pressure region (2) in dependence on valve stop member (11), energizable by piezoelectric actuator assembly, and a link (15) to low pressure region (16).The throttling to lin...
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JP4433598B2 |
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JP4428273B2 |
To provide a cylinder injection type internal combustion engine which can improve the utilization ratio of air within a cylinder and accomplish stable combustion without knocking. The cylinder injection type internal combustion engine in...
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