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JP2003148219A |
To provide a fuel injection adjusting apparatus and a injection adjusting method thereof that can inexpensively, simply, and quickly adjust fuel injection amounts Mp, Mm of respective pilot injection and main injection and an pilot inter...
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JP2003139010A |
To provide a high pressure forced feeding device with a distributor constituting group 2 and with an operation unit 14 for a control part 21 movable in a valve element constituting group 13, the operation unit 14 having a high pressure c...
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JP2003139262A |
To reduce a sound upon collision caused when a movable member moves in a direction of a movable core aparting from a fixed core and a stopper restricts its moving amount in a solenoid valve device.A spring 25 energizes a cup member 30 in...
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JP2003514187A |
The invention relates to a fuel injection system, in particular a common rail system for supplying fuel to internal combustion engines, in particular diesel motors comprising several cylinders. The invention aims to provide a fuel inject...
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JP3395366B2 |
PURPOSE: To prevent generation of erosion on the end face of a coupling due to sudden pressure drop at operating a pump. CONSTITUTION: Claws 41, 43 on the drive shaft side are nearly L-shaped members symmetrically provided on both sides ...
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JP2003065176A |
To prevent seizure and abrasion of an abutting part of a roller 5 and a face cam 6, and peeling of a profile face 51 of the face cam 6 of the distribution type fuel injection pump.A tapered shape with a taper angle θ is formed on an out...
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JP2003507635A |
In a fuel injection system for an internal combustion engine, in which fuel can be injected at at least two differently high fuel pressures via injectors into the combustion chamber of the engine, having a central distributor device for ...
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JP2003507651A |
In a fuel injection system for an internal combustion engine, in which fuel at at least two differently high fuel pressures can be injected via injectors into the combustion chamber of the engine, parallel to a bypass line a hydraulic pr...
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JP2003507637A |
In a fuel injection system for an internal combustion engine, in which the fuel pumped by means of a high-pressure pump can be injected into the combustion chamber of the engine at at least two different, high fuel pressure via injectors...
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JP2003507656A |
In a fuel injection system for an internal combustion engine, in which fuel can be injected at least two different, high fuel pressures, via injectors, into the combustion chamber of the engine, having a central first pressure reservoir ...
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JP2003507636A |
A fuel injection system having at least two different, high system pressures for an internal combustion engine, includes a first central pressure reservoir for the lower system pressure and includes a second central pressure reservoir, s...
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JP2003507639A |
In a method for injecting fuel at at least two differently high fuel pressures via injectors into the combustion chamber of an internal combustion engine, the fuel injection at the lower fuel pressure takes place under stroke control, an...
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JP3375498B2 |
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JP3370117B2 |
The invention relates to an electrically controlled injection system for internal combustion engines, in which a magnet valve that is open when without current is used to control the fuel quantity of a high-pressure chamber in the inject...
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JP3353916B2 |
PURPOSE: To avoid heat shock to a distributor rotor by supplying a quantity of fuel more than the fuel injection quantity and continuously returning excess fuel via an end chamber through a return line to a control valve. CONSTITUTION: A...
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JP3353444B2 |
PURPOSE: To prevent foreign materials from falling down in a fuel chamber by catching the foreign materials contained in fuel in an over-flow passage, by means of a filter. CONSTITUTION: Fuel in a fuel tank is supplied by a feed pump 3 i...
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JP3351156B2 |
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JP3344299B2 |
To conduct pilot injection in a constantly desirable operating area in any case. The fuel injection controller 2 for diesel engine 1 is provided with a fuel injection nozzle 4, an injection pump 5, an electromagnetic spill valve 21 and a...
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JP3341793B2 |
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JP3338588B2 |
To ensure an injection characteristic of high stability when an injection mode is switched while reducing a shock. In a fuel injection pump 1, high pressure fuel is supplied to a multicylinder Diesel engine, and an injection amount of th...
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JP3334368B2 |
PURPOSE: To perform ensurance of the fuel injection stop function of a diesel engine by fixing in a fuel non-injection position by disconnecting electrical connection when abnormality occurs to the control system of an electronic governo...
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JP2002295707A |
To improve reliability by preventing an adverse effect to fluid control by suppressing the vibration of a coil or the like in electromagnetic driving.A fluid channel is opened or closed by reciprocating a valve needle 30 integrated with ...
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JP2002295713A |
To prevent an effect on a set load of a spring for separating a stator from an armature, in adjusting a predetermined interval between the stator and the armature for providing a desired control characteristic.In a fluid control valve 10...
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JP2002285932A |
To maintain actual fuel injection timing as the pressure-feed starting timing of fuel to an engine E and fuel injection quantity to the engine E at correct values, and to prevent generation of abnormal combustion sound due to abnormal co...
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JP2002285894A |
To solve the problem that shunting traveling can not be secured because of a large reduction of an injection quantity for preventing the breakdown of a diesel engine when a timer device is failed and that abnormal combustion noise such a...
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JP2002285933A |
To eliminate a problem of unevenness in quantity of fuel leaking from a pressure equalizing port 60 to a clearance, when size difference is gener ated in the clearance between a plunger 11 and a cylinder 13 since only one pressure equali...
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JP2002276497A |
To solve a problem that a slide pin 36 is mounted on a roller ring 8 by means of a slip-out preventing pin J6 and clip J7, and further a sub-piston J4 to transmit torque of a timer piston 35 and a slide pin 36 and reduce wear thereof is ...
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JP2002276498A |
To prevent the occurrence of a seizure and fixing due to an increase in bearing occasioned by high pressure injection by a thrust washer disposed between a side of a feed pump and the flange surface of a drive shaft.When fuel is discharg...
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JP2002276426A |
To avoid such an inconvenience that a pilot injection amount is changed by a change in residual pressure in a fuel pumping feed pipe with a finishing timing for main injection (a main injection amount) and a change in valve opening timin...
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JP2002531747A |
A fuel injection pump having a cam drive and an injection adjuster piston, acting on the cam drive and serving the purpose of an injection onset adjustment. The injection adjuster piston on a face end encloses at least one pressure chamb...
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JP2002266718A |
To provide multi-stage injection (pilot, main post injection or the like) of a fuel injection control valve, to improve the accuracy of a injection rate and injection timing, to improve durability, and to provide a fail safe function.An ...
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JP2002266719A |
To solve the problem that a super high-sped and high-accurate operation of a fuel injection control valve is required in low pressure injection in a super high pressure accumulated state and a response to such the requirement is difficul...
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JP3324297B2 |
PURPOSE: To prevent the occurrence of an engine stop by operating a fuel cut valve during failure in operation of a subcomputer. CONSTITUTION: Control of a fuel injection amount of a fuel injection pump is allotted to a maincomputer 51 a...
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JP2002256944A |
To eliminate a noise step and torque fluctuation in a region switching timing between a pilot region and a non-pilot region in a fuel injector for an internal combustion engine for force-feeding fuel from a distributor type fuel injectio...
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JP2002529637A |
A fuel injection pump has an injection adjuster whose injection adjuster piston is acted upon on one face end by a restoring spring and by a pressure controlled by a control slide. On another face end the injection adjuster piston is exp...
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JP2002242794A |
To provide an excellent lubrication operation without the occurrence of a trouble, such as feed of a poor fuel pressure and an increase in cost.In a high pressure pump 10, a feed pump 14 is coupled to a drive shaft 13. When the feed pump...
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JP2002242734A |
To resolve the problem in normal injection, prestroke injection, and pilot injection where correction values corresponding to each injection are needed for correcting a normal valve opening command value θo, a prestroke valve closing co...
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JP2002235631A |
To prevent erosion by cavitation to a timer piston 16 and reduce tensile stress generated in an opening circumferential edge part 17a of a recess part 17 by driving reaction in displacement of a face cam.The timer piston 16 is provided w...
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JP2002235632A |
To secure an appropriate injection control in starting by preventing collision between a drive shaft and a roller ring in the starting.This distribution type fuel injection pump A is provided with a pump housing 1 having a leg part 1A di...
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JP2002235633A |
To prevent abnormal injection of a distribution type fuel injection pump caused by the high pressure of a fuel injection pressure and the lowering of lubrication of fuel.A temperature sensor 4 is fitted to a head plug 3 fitted in a head ...
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JP3316155B2 |
To prevent the occurrence of seizure and wear to a plunger even when the size of a distribution type injection pump is reduced. In a distribution type fuel injection pump, a plurality of plungers 10 are radially slidably contained in the...
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JP2002227739A |
To resolve problems that a means to restrain increasing of inner pressure of a low pressure chamber 16 as a technique to lower fuel temperature inside the chamber 16 for increasing lubricity by fuel needs a communication passage for guid...
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JP3314650B2 |
To reduce vibrations and sounds produced by a fuel injection pump by improving the rigidity of the belly part of a pump housing by forming in the pump housing a rib of a predetermined length along the axis of a drive shaft in the directi...
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JP3314502B2 |
PURPOSE: To energize a needle valve in the valve closing direction by oil pressure difference so as to heighten the valve closing responsiveness of a valve body by providing a pressure lead-in passage communicated with at least one of an...
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JP2002221116A |
To prevent abnormal injection caused by lowered lubricity of fuel and one-sided expansion of a housing 1 in a distributor-type fuel injection pump A.In this distributor-type fuel injection pump A provided with a pump housing 1 equipped w...
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JP2002213288A |
To provide a fuel injection device for injecting fuel into a multi- cylinder internal combustion engine and capable of accurately controlling, a plurality of times, the amount that fuel is forcibly fed during force-feed stroke, while inh...
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JP2002206467A |
To provide a fuel injection device, capable of accurately controlling the fuel-feeding quantity, independently of the operating conditions of an internal combustion engine.This fuel injection device carries out suction, pressurization an...
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JP3306687B2 |
PURPOSE: To eliminate waxing in an early stage by heating fuel and shorten a control disabling time by stop judgement of abnormal condition when a prescribed low temperature time is judged, and carrying out electrification of a timer con...
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JP2002188540A |
To provide a distribution type fuel injection pump which can reduce coupling noises while reducing an injection amount difference between each cylinder by reducing a fuel leak amount from a pressure chamber at force feed time.This distri...
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JP2002180929A |
To control injection timing, to and improve engine performance in a simple structure and at a low cost in a fuel injection pump having a main port and a subsidiary port dedicated to overflow composed in a plunger barrel.A lead angle of a...
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