WO2009092840A1 - Système d'injection directe à rampe commune pour turbodiesel (cdi) piézoélectrique pouvant s'appliquer à des scooters et à des cyclomoteurs - Google Patents

Système d'injection directe à rampe commune pour turbodiesel (cdi) piézoélectrique pouvant s'appliquer à des scooters et à des cyclomoteurs Download PDF

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Publication number
WO2009092840A1
WO2009092840A1 PCT/ES2009/000037 ES2009000037W WO2009092840A1 WO 2009092840 A1 WO2009092840 A1 WO 2009092840A1 ES 2009000037 W ES2009000037 W ES 2009000037W WO 2009092840 A1 WO2009092840 A1 WO 2009092840A1
Authority
WO
WIPO (PCT)
Prior art keywords
fuel
pressure
high pressure
scooters
mopeds
Prior art date
Application number
PCT/ES2009/000037
Other languages
English (en)
Spanish (es)
Inventor
Emiliano LÓPEZ-CANO TORIBIO
Original Assignee
Lopez-Cano Toribio Emiliano
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lopez-Cano Toribio Emiliano filed Critical Lopez-Cano Toribio Emiliano
Priority to CN2009801106458A priority Critical patent/CN102112727A/zh
Priority to EP09703854A priority patent/EP2253831A4/fr
Publication of WO2009092840A1 publication Critical patent/WO2009092840A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
    • F02M55/025—Common rails
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
    • F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
    • F02B61/02—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving cycles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0047—Layout or arrangement of systems for feeding fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/04—Feeding by means of driven pumps
    • F02M37/08—Feeding by means of driven pumps electrically driven
    • F02M37/10—Feeding by means of driven pumps electrically driven submerged in fuel, e.g. in reservoir
    • F02M37/106—Feeding by means of driven pumps electrically driven submerged in fuel, e.g. in reservoir the pump being installed in a sub-tank
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
    • F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
    • F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/0603—Injectors peculiar thereto with means directly operating the valve needle using piezoelectric or magnetostrictive operating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/002—Arrangement of leakage or drain conduits in or from injectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0014—Valves characterised by the valve actuating means
    • F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
    • F02M63/0026—Valves characterised by the valve actuating means electrical, e.g. using solenoid using piezoelectric or magnetostrictive actuators

Definitions

  • the present invention proposes a set of modifications in relation to certain elements of which make up the known CDI system (common rail diesel turbo injection) with piezoelectric, used in diesel engines of automobiles. So that these elements adapted conveniently, determine their correct installation and application in scooters and mopeds, which would reach such characteristics in their engines, which would significantly increase their performance, compared to the technique currently applied.
  • the creativity of the invention of the design in the modifications proposed herein is oriented specifically for application in single-cylinder and twin-cylinder engines of the aforementioned vehicles. Which would be endowed with the same advantages and even some more, than the cars provided with CDI system, mainly with regard to savings in fuel consumption, environmental pollution and others.
  • the field of application of the invention is within the industrial sector dedicated to the manufacture of engines, specifically for scooters and mopeds.
  • the present invention has assessed the possibility that both scooter and moped scooters can benefit from the general advantages of diesel engines, and has had the ingenious creativity of adapting certain elements of which they make up said CDI-piezoelectric system, for its correct application in the motor of scooters and mopeds, and although these vehicles for which the invention is intended are of reduced displacement, usually of the order of about 100 to 400 ce, it should not be understood in a limiting sense since the teachings of the invention can be perfectly adapted to vehicles of any other displacement.
  • scooters achieve greater autonomy, increasing their lightness because some components can be reduced as injectors, less environmental pollution would be achieved, both of the gases resulting from the propulsion as well as acoustic , greater possibility of speed of rotation at high revolutions (5000 to 6000 rpm) due to a lower inertia in the injectors, reducing also the vibrations, greater pressure in the fuel favoring the ignition, greater ease of operation on the part of the mechanics before eventual breakdowns and reduction of the cost of the pieces, since these can be available at the moment in the commercial establishments of spare parts for automobiles.
  • the CDI-piezoelectric system proposed by the invention for incorporation into scooters is characterized by several indispensable components conveniently installed so that said system can provide the advantages estimated by the applicant here, similar to those of the same. system brings in cars.
  • This system has a technique that provides four valves per cylinder in the cylinder head, with double intake ducts, constructed with material basically composed of reinforced aluminum alloys for diesel, and the cylinder head cover composed of the same material, which has housing enough for the piezo injector, with the fixation centered by screws in its own cavity.
  • said cylinder head contains the intake and exhaust camshafts, which actuate the valves by means of a hydraulic pusher.
  • the injector used in the proposed system does not have an electromagnet, since when 200 volts current is affected in the piezoelectric crystals, these are the ones that contract or expand to open or close the passage of the fuel, unlike the piezoelectric current, which are provided with electromagnets.
  • the engine block can be made of gray cast iron, and constructed in two variants, depending on the type of construction that the motorcycle in question presents. Where a variant can be built entirely to the engine block, defined by two parts supporting the transmission system, with the transmission part and the variator assembly, in turn acting as a rear swingarm and suspension, and the other variant can be an engine arranged independently, associated with the chassis, and may be by means of screws and that the force or movement is transmitted by means of a toothed belt or similar.
  • the high pressure pump available to the system has three radial pistons of compact structure, reaching maximum pressures from 1800 to 2000 bar, with a rotation speed that can be found at 5000 rpm.
  • Said pump houses the thermal fuel probe, the flow regulating valve and the overpressure limiting valve.
  • the influx of the fuel is carried out by means of independent valves in the pump heads, so that said fuel operates on a conical key provided in the flow valve, leaving an opening section free.
  • the pump plunger compresses the fuel, the valve presses on the seat and seals.
  • the fuel outlet valve remains closed due to the resistance of a spring and pressure exerted by the high pressure that comes through the distribution pipe.
  • the piezoelectric injector available to the system proposed by the invention meets the appropriate requirements for application in both scooters and mopeds that generally have a displacement of 100 to 400 ce.
  • said injector exerts its function (injects) through a nozzle provided with 7 holes, directly in the combustion chamber, which is activated indirectly by an electromagnetic valve, which activates the application and the discharge of pressure from the chamber of control by means of the injection needle, thus, when the injector needle is raised (start of injection), the valve opens so that the fuel in the control chamber returns, and when whose injection needle must be closed (end of injection), the valve closes providing adequate pressure in the control chamber.
  • venturi nozzle which works according to the principle of suction pump, in which, when a depression occurs in the recovery connection of the injectors, it allows the return of fuel to increase with the volume of fuel Recovery. This process has high flow accuracy, compared to the set pressure.
  • the regulating valve provided in the high pressure pump operates based on the electromagnetic principle, which consists of three main parts, the first being, by taking an order, an electric coil that when applying current from the engine control unit, according to its operating needs, it modifies its magnetic intensity. Another part consists of a valve piston that acts while reacting the modification of the electromagnet field strength, modifying the position of the valve and giving way to the fuel, and the third part is comprised in that in the valve box which houses the valve piston, are the inflow and outlet holes, connected in the high pressure pump.
  • this valve opens or closes the bypass channel between the common rail pressure field and the return.
  • the common rail pressure sensor is disposed at one end of it, where it can detect the pressure that it presents, and by means of the transformation of the mechanical impulse into the sensor electronics, a corresponding signal voltage is created at the current pressure of the common rail automatically transferring to the engine control unit.
  • the opposite end of the common rail, at the end where the pressure sensor is located, is provided with a flow regulating valve, associated by means of threads, which works in a similar way to the previously mentioned regulating valve, that is, according to The electromagnetic principle
  • the thermal fuel probe presented by the system is integrated in the high pressure pump, forming part of the low pressure circuit Said probe is constructed according to a negative temperature coefficient, that is, the electrical resistance decreases with increasing temperature, sending the information to the control unit.
  • the chopper sensor is housed in the engine block, its operation is based on the piezoceramic principle, being able to recognize internal combustion of the engine through acoustic signals.
  • the functions of the chopper sensor are three specifically, which consist of recognizing the mechanical aging of the engine and transmitting it to the engine unit so that it acts accordingly, modifying the minimum injection setting, facilitating the recognition of injector needles in poor condition or waterproof, and allowing a proper self-diagnosis.
  • the crankshaft position sensor operates according to the inductive principle, producing a sinusoidal signal voltage, which, when crossing a photoelectric barrier (an incremental wheel), sends the signal to the engine control unit.
  • a photoelectric barrier an incremental wheel
  • the motor control unit can be associated by means of a floating screw in any place of the scooter or motorcycle, so that it can absorb the vibrations, provided that where it is located, it is a refrigerated area or with air flow.
  • This unit has multiple functionalities, some of which could be mentioned such as, the identification of the motor load, idle regulation with a minimum working pressure between 280 to 300 bars, the running stability and pressure of the common rail, activation of the low-pressure electric fuel pump, control of the high-pressure pump, limitation of the number of revolutions and injection cut in retention mode, etc.
  • the low pressure circuit is responsible for supplying the injection system with a sufficient quantity of filtered fuel with the pressure necessary for its correct operation.
  • the electric pump is responsible for transporting the fuel, from the tank through the internal pressure limiting valve, which can restrict the pressure to a maximum of 8.5 bars in case of obstruction.
  • the fuel is displaced, being regulated at an approximate pressure of 3 to 3.5 bars by the overpressure valve installed in the high pump.
  • the amount of fuel that is not consumed at high pressure returns to the tank per return.
  • the common rail is fixed, and can be by means of screws to the motor cover. Which determines a high resistance metal tube, which has a predetermined mechanism and connections designed for the operation of the injector or injectors (according to needs) and a link with the high pressure pump. At both ends whose tube is provided with internal threads, which serve as a fastener to the pressure sensor and the pressure regulating valve, it also has a connection that serves as a fuel outlet to the corresponding return. Said common-rail stores the compressed fuel by the high pressure pump and sends it according to the need of the injectors. Its total volume must be previously calculated to compensate for pressure drops when the injection is performed.
  • the high pressure circuit is responsible for creating and accumulating the high pressure necessary for injection.
  • the high pump compresses the regulated fuel according to the common rail, sending the fuel to the injectors through the high pressure pipes.
  • the CDI control unit detects, by its input signals, the state of the motor at every moment and the needs of the driver.
  • the pressure of the common rail is regulated by the pressure regulating valve, and its temperature increases as soon as possible.
  • the high pump is heated and the excess flow is purged by return via the pressure regulating valve. In this way, the cold fuel that is accumulated in the tank is mixed with the hot fuel that arrives through the return pipes.
  • the common rail pressure is regulated by means of the high pressure pump's flow control valve.
  • the pressure regulating valve remains closed and the high pressure pump only receives the necessary flow for the common rail pressure. In this way the excessive heat emission is reduced to maintain an optimum temperature in the diesel.
  • the supercharging in the system is intended to generate pressures in the intake, around 0.8 and 1.5 bar, depending on the characteristics, displacements and engine needs.
  • Said turbo could be electronically variable, modifying the position of a few vanes inside, and in turn, the flow of use of exhaust gases, increasing or decreasing with the corresponding rotation of the turbo, depending on the needs of the engine.
  • the number of exhaust gas revolutions determines the flow of compressed air, that is, the boost pressure.
  • the boost pressure transmitter constantly monitors the pressure and transmits it to the CDI unit. To control the supercharging pressure of the engine control unit, take into account the information from the cooling and supercharging temperature, the atmospheric pressure, the engine speed and the injection flow.
  • the invention has provided another alternative of overfeeding, consisting of a small volumetric compressor, which, mechanically through a toothed belt receives constant movement of the motor and by means of the aforementioned sensors provided in the unit CDI engine, acts on a butterfly step by step, creating excess intake pressure or letting it escape according to engine load needs.
  • the air distributor tube may be composed of a high strength plastic material, designed with predetermined differences structural in its shape and length, in order to favor the entry of air at different revolutions, and can also have two filling channels per cylinder, one being straight and the other spiraling. Each filling channel can be closed by means of an electronic throttle, commanded by the CDI electronic engine unit, depending on the needs of the engine and its working regime, thus modifying the engine's air filling capacity.
  • the engine control unit to act on the intake manifold takes into account certain values such as the mass air meter, thermal supercharger air sensor, supercharger, power, crankshaft transmitters, etc.
  • preheating in the CDI-piezoelectric system is primarily designed to comply with the EURO-4, OBD-IV contamination regulations, since the system for working with high pressure is conceived, it reaches the optimum temperature required for starting, being a very short preheating time, as well as a more stable idle and an adjustable glow temperature.
  • the common-rail system that the invention proposes, for its application to scooters and mopeds, entails the contribution of multiple advantages that in general have always been linked to this type of technology applied to automobiles, such as; variable injection time and pressure, especially fine fuel spraying, high combustion pressure, more enriched, with less emission of pollutants, lower fuel consumption and higher torque.
  • the dosage of the injection flow is carried out with great accuracy, with several stages of combustion, these being the previous, main and subsequent injection, from which additional advantages are obtained which comprise; longer maintenance of the process at constant pressure (main injection), greater degree of thermal efficiency, smoother combustion process (previous injection) and option to a subsequent treatment of the exhaust gases (subsequent injection).
  • the crankshaft is composed of a more reinforced material, provided with bushes and ball bearings, also the connecting rods are reinforced to work with diesel, and the pistons also have a pre-chamber with a different design, in the form of a crushed jar.
  • a piezoelectric injector 1 intended for application in the system, can be observed, due to its high performance in direct diesel injection, which provides precise control of the proper fuel dose on admission, this being an important value to be taken into account when saving fuel, so that said injector has two sockets (2, 2 ") conveniently arranged near one end, where one socket 2 is for the high-pressure arrival fuel from the common rail, and the other T socket for the return of the return fuel through the return pipe, which is indicated in the drawing by means of arrows indicating the direction of the fuel.
  • CDI common-rail
  • the drawing depicts the high pressure pump 7, which is responsible for sending the high pressure fuel to the common rail 3, leaving through the outlet 8.
  • the pump 7 has two more intakes, being an outlet 8 ' of the fuel coming from the return from the common rail 3, and the other one 8 "provided for the passage of the supply to the pump, of the fuel coming from the tank 12.
  • the circuit represented in the drawing has a filter unit

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

La présente invention concerne un système d'alimentation équipé d'une technologie CDI avec un injecteur piézoélectrique semblable à ceux utilisés dans les moteurs automobiles classiques, conçu pour s'appliquer à des scooters et à des cyclomoteurs de diverses cylindrées, aussi bien de type monocylindre que de type bicylindre. Les éléments et mécanismes intégrés dans ce système sont fabriqués à partir d'un matériau qui est composé d'alliages d'aluminium renforcés. Le système comprend des pistons présentant une préchambre, 4 soupapes par cylindre, et des conduites d'admission double, avec un rapport de compression plus élevé, ce qui permet d'obtenir des avantages par rapport aux moteurs classiques, tels qu'un rendement supérieur, une différence significative de haute pression du carburant, avec un moment et une pression d'injection variables, une pulvérisation particulièrement fine du carburant, une consommation de carburant très modérée, un faible indice de pollution environnementale, ainsi que d'autres avantages de nature similaire.
PCT/ES2009/000037 2008-01-25 2009-01-26 Système d'injection directe à rampe commune pour turbodiesel (cdi) piézoélectrique pouvant s'appliquer à des scooters et à des cyclomoteurs WO2009092840A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2009801106458A CN102112727A (zh) 2008-01-25 2009-01-26 用于小轮摩托车和摩托自行车的cdi-压电系统
EP09703854A EP2253831A4 (fr) 2008-01-25 2009-01-26 Système d'injection directe à rampe commune pour turbodiesel (cdi) piézoélectrique pouvant s'appliquer à des scooters et à des cyclomoteurs

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200800196A ES2328887B1 (es) 2008-01-25 2008-01-25 Sistema cdi-piezoelectrico aplicable a scooters y ciclomotores.
ESP200800196 2008-01-25

Publications (1)

Publication Number Publication Date
WO2009092840A1 true WO2009092840A1 (fr) 2009-07-30

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Application Number Title Priority Date Filing Date
PCT/ES2009/000037 WO2009092840A1 (fr) 2008-01-25 2009-01-26 Système d'injection directe à rampe commune pour turbodiesel (cdi) piézoélectrique pouvant s'appliquer à des scooters et à des cyclomoteurs

Country Status (4)

Country Link
EP (1) EP2253831A4 (fr)
CN (1) CN102112727A (fr)
ES (1) ES2328887B1 (fr)
WO (1) WO2009092840A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012083459A1 (fr) * 2010-12-21 2012-06-28 Tpp Energy Solutions Inc. Dispositif pour augmenter le rendement d'un moteur à combustion interne
JP2018162770A (ja) * 2017-03-27 2018-10-18 ヤンマー株式会社 エンジン装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030089332A1 (en) * 2000-03-14 2003-05-15 Koichiro Yomogida Common rail fuel injection device
EP1316720A1 (fr) * 2001-11-29 2003-06-04 Denso Corporation Système d'injection de carburant à rampe commune
JP2005036681A (ja) * 2003-07-17 2005-02-10 Yamaha Motor Co Ltd Ｖ型エンジンの燃料供給装置及び該ｖ型エンジンを搭載した自動二輪車
DE102006026933A1 (de) * 2006-06-09 2007-12-13 Siemens Ag Piezoaktuator
EP1925803A1 (fr) * 2006-11-14 2008-05-28 Denso Corporation Dispositif d'injection de carburant et son procédé de réglage
EP1990531A1 (fr) * 2006-02-24 2008-11-12 Bosch Corporation Systeme d'injection de carburant pour moteur a combustion interne

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2283163B1 (es) * 2004-03-22 2008-08-01 Emiliano Lopez Cano Toribio Aplicacion de motores diesel a motocicletas.

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030089332A1 (en) * 2000-03-14 2003-05-15 Koichiro Yomogida Common rail fuel injection device
EP1316720A1 (fr) * 2001-11-29 2003-06-04 Denso Corporation Système d'injection de carburant à rampe commune
JP2005036681A (ja) * 2003-07-17 2005-02-10 Yamaha Motor Co Ltd Ｖ型エンジンの燃料供給装置及び該ｖ型エンジンを搭載した自動二輪車
EP1990531A1 (fr) * 2006-02-24 2008-11-12 Bosch Corporation Systeme d'injection de carburant pour moteur a combustion interne
DE102006026933A1 (de) * 2006-06-09 2007-12-13 Siemens Ag Piezoaktuator
EP1925803A1 (fr) * 2006-11-14 2008-05-28 Denso Corporation Dispositif d'injection de carburant et son procédé de réglage

Also Published As

Publication number Publication date
EP2253831A4 (fr) 2011-04-13
CN102112727A (zh) 2011-06-29
EP2253831A1 (fr) 2010-11-24
ES2328887B1 (es) 2010-09-13
ES2328887A1 (es) 2009-11-18

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