EP1157205B1 - System and method for controlling a control valve for a diesel fuel injection system - Google Patents

System and method for controlling a control valve for a diesel fuel injection system Download PDF

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Publication number
EP1157205B1
EP1157205B1 EP00916760A EP00916760A EP1157205B1 EP 1157205 B1 EP1157205 B1 EP 1157205B1 EP 00916760 A EP00916760 A EP 00916760A EP 00916760 A EP00916760 A EP 00916760A EP 1157205 B1 EP1157205 B1 EP 1157205B1
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EP
European Patent Office
Prior art keywords
valve
control valve
control
current
sensor
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EP00916760A
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German (de)
French (fr)
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EP1157205A1 (en
Inventor
Reda Rizk
Raimondo Giavi
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Siemens AG
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Siemens AG
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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
    • 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
    • F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
    • F02M63/004—Sliding valves, e.g. spool valves, i.e. whereby the closing member has a sliding movement along a seat for opening and closing
    • 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
    • F02M57/00—Fuel-injectors combined or associated with other devices
    • F02M57/02—Injectors structurally combined with fuel-injection pumps
    • F02M57/022—Injectors structurally combined with fuel-injection pumps characterised by the pump drive
    • F02M57/025—Injectors structurally combined with fuel-injection pumps characterised by the pump drive hydraulic, e.g. with pressure amplification
    • 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
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
    • F02M59/10—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
    • F02M59/105—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive hydraulic drive
    • 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
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • F02M59/46—Valves
    • F02M59/466—Electrically operated valves, e.g. using electromagnetic or piezoelectric 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
    • F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus

Definitions

  • the invention relates to an arrangement and a method for controlling a control valve for a diesel injection system according to the preamble of claim 1 or of claim 3.
  • Such an arrangement and such Methods are known from US Pat. No. 5,640,987.
  • the diesel engine with direct injection is the internal combustion engine with the highest thermodynamic Efficiency.
  • fuel injection for different engines different technologies in Commitment. Systems are particularly popular in the commercial vehicle sector Pressure translation enforced to generate higher pressures.
  • An example of a fuel injector with pressure ratio is described in U.S. Patent No. 5,460,329 (Sturman).
  • the fuel passes through a valve designed as a slide valve electromagnetic control valve to a pressure booster in the injector. Via electromagnetic control of the control valve is at fixed times or crank angles the fuel from the pressure booster under high Pressure put.
  • the high pressure fuel causes then in the conventional way that the valve needle of the Injector lifts off their seat and clears the way for the fuel releases to the injector of the injector and the Fuel injected into the combustion chamber of the diesel engine becomes.
  • control valve points in the area of the two ends of the valve spool each have an electromagnet to back and forth can be switched down without elastic restoring elements required are. To the control valve in one hold defined position, however, must always be one of the both magnets remain energized, even after the desired position has already been reached.
  • the object of the present invention is to begin with mentioned arrangement and the method mentioned to design so that the large scatter of the injectors in Injection behavior is reduced and the engine runs better or becomes more even.
  • the above object is achieved according to the invention solved that while one of the two solenoids of the Control valve for generating a magnetic force with Current is applied to the other solenoid of each Control valve as a sensor for movement of the valve spool is switched. Because the valve spool consists of one magnetic material, allow the magnetic and the hysteresis properties of this material that a movement of the valve spool during the action and even after switching off the control current for one Magnetic coil induces a current or a voltage in the sensor. The results obtained during some operating cycles Information about the characteristic response behavior of the control valve in a control can be within a intelligent control are processed so that the Injection behavior of the respective injector has been improved will that deviations from the individual setpoints the injection parameters can be reduced.
  • the two electromagnets can be connected in parallel the characteristic behavior of the valve from a few Cycles of the switching cycle with only one activated magnet determine with sufficient accuracy within a short period of time to Actual behavior by taking the appropriate measures To approximate behavior.
  • the arrangement according to the invention or the inventive Process has the advantage that no additional components on the injector such as a stroke encoder and the like are.
  • the method according to the invention can be used, for example relatively easy by using suitable software in the existing one Execute electronic engine control.
  • Fig. 1 of the drawing shows a schematic Sectional view of the control valve known from US Pat. No. 5,640,987.
  • a control valve is used to Flow of a fluid to the pressure booster of a fuel injector to control the timing in order to reduce the pressure in one Increase pressure chamber in the injector from which the fuel then via the injection nozzle into the combustion chamber of the internal combustion engine is injected.
  • the control valve can be used as a 2-, 3 or 4-way valve.
  • the control valve shown in Fig. 1 of the drawing 10 has a housing 12 with a first opening 14 and one second opening 16.
  • the openings 14, 16 open into one Valve chamber 18 in the housing 12 Fuel supplied from a fuel accumulator.
  • the opening 16 provides the connection to the pressure booster of the injector ago.
  • a valve slide is axially movable in the valve chamber 18 20 used with a circumferential groove 22.
  • the Valve slide 20 can be between a left end position, which is shown in Fig. 1, and a right Move end position (not shown) back and forth.
  • the housing 12 has a first leakage opening 17 and one second leakage opening 19, each in one end face the valve chamber 18 end and are kept depressurized.
  • the groove 22 is still the two openings 14, 16 so opposite that that of the lateral boundary the control edge 24 formed in the groove 22 in the left end position of the valve spool 20 the fluid connection between the openings 14, 16 blocked while in the other, right end position of the valve slide 20, the fluid connection is established becomes.
  • the left end position of the valve spool in the drawing 20 is thus the closed position and the opposite right end position of the valve slide 20 Open position of the control valve 10.
  • the control valve 10 further includes a first one Magnet coil 30 and a second magnet coil spatially separated therefrom 32. That means that in the area of the two axial Ends of the valve spool 20 in the housing 12 of the control valve 10 each have a magnetic coil 30, 32 for generating magnetic Forces for movement of the valve spool 20 are provided is.
  • the first magnetic coil 30 is shown in the illustration in FIG. 1 of the drawing arranged on the right side of the valve chamber 18 and can slide valve 20 into the right end position (the open position) move while the second solenoid 32 attached to the left side of the valve chamber 18 and is provided for the valve slide 20 in the to bring the left end position (the closed position).
  • the Leads 34 to the solenoids 30, 32 are with a electrical control circuit (not shown) connected.
  • the first solenoid 30 In order to open the control valve 10 so that a fluid, i.e. the fuel from the first opening 14 to the second Opening 16 and thus from the memory to the pressure booster in Fuel injector can flow, the first solenoid 30 from the electrical control circuit with a control current applied. After the valve spool 20 due to this the right end position acting on the magnetic force has reached, the current for the first solenoid 30 switched off again.
  • the valve spool 20 and that Housing 12 of the control valve 10 consist of suitable magnetic Materials so that the valve slide 20 without Current in the first solenoid 30 due to the magnetic Hysteresis in the right end position, the open position, remains.
  • the control valve 10 is closed again by that the second solenoid 32 for a certain time with one Control current is applied, so that on the valve spool 20 a magnetic force acts on him in the left Closed position brings.
  • Fig. 2 shows the drawing the valve stroke in the time correlation to the upper part the valve spool 20.
  • the control circuit starts energizing the first solenoid 30. Then, with a certain delay at time t 2, the valve slide 20 begins to move in the direction of the right end position, the open position. This start of movement is detected by the second magnet coil 32, which was switched as a sensor at that time, on the basis of the current or the voltage induced in the second magnet coil 32. If the valve slide 20 stops at its right end position (the open position) and therefore no longer moves, it also does not induce any current or voltage in the second solenoid coil 32. This gives the exact time t 3 in which the valve slide 20 comes to rest in its right end position. As a result, the current for the first magnetic coil 30 can be switched off immediately after the time t 4 .
  • the time t 2 determines the start of injection, and the time period from t 2 to t 7 essentially determines the injection duration of the injector.
  • the delay times t 2 -t 1 and the switch-off times t 7 -t 5 can be used for the electrical control of each individual injector on the engine Example by suitably defining the times t 1 and t 5 in relation to the crank angle are taken into account, so that deviations from the setpoint or mean value can be exactly compensated.
  • the times t 1 to t 8 each correspond to a specific crank angle of the engine; the times given can therefore also be replaced by the respective crank angle when the speed is recorded.
  • the present arrangement and the present method can also be used if both magnet coils 30, 32 are generally operated in parallel to increase the switching speed. To determine the times t 1 to t 8 , only a few cycles with only one actively controlled magnet are then to be carried out separately, while the other magnet is used as a sensor as described. The actual behavior of the respective control valve can thus be identified with sufficient accuracy in order to be able to adapt it to the desired behavior via a setting, for example the start of the current supply and / or the strength of the control current.

Abstract

The invention relates to a system and a method for controlling a control valve for a diesel fuel injection system, comprising a fuel injector with a pressure amplifier. The control valve (10) is positioned upstream of the pressure amplifier. The valve spool (20) of the control valve (10) is moved back and forth by two physically separate magnetic coils (30, 32). When one of said two magnetic coils (30; 32) is electrically controlled by a control current the other magnetic coil (32; 30) is switched to a sensor function so that the current induced in the sensor by a movement of the valve spool (20) is detected.

Description

Die Erfindung betrifft eine Anordnung und ein Verfahren zur Regelung eines Steuerventils für ein Diesel-Einspritzsystem gemäß dem Oberbegriff des Patentanspruchs 1 bzw. des Patentanspruchs 3. Eine solche Anordnung und ein solches Verfahren sind aus der US-PS 5 640 987 bekannt.The invention relates to an arrangement and a method for controlling a control valve for a diesel injection system according to the preamble of claim 1 or of claim 3. Such an arrangement and such Methods are known from US Pat. No. 5,640,987.

Der Dieselmotor mit Direkteinspritzung ist die Verbrennungskraftmaschine mit dem höchsten thermodynamischen Wirkungsgrad. Hinsichtlich der Kraftstoffeinspritzung sind für verschiedene Motoren unterschiedliche Technologien im Einsatz. Besonders im NKW-Bereich haben sich Systeme mit Druckübersetzung zur Erzeugung von höheren Drücken durchgesetzt. Ein Beispiel für einen Kraftstoffinjektor mit Druckübersetzung ist in der US-PS 5 460 329 (Sturman) beschrieben. Dabei gelangt der Kraftstoff über ein als Schieberventil ausgestaltetes elektromagnetisches Steuerventil zu einem Druckverstärker im Injektor. Über die elektromagnetische Ansteuerung des Steuerventils wird zu festgelegten Zeiten bzw. Kurbelwinkeln der Kraftstoff vom Druckverstärker unter hohen Druck gesetzt. Der unter hohen Druck gesetzte Kraftstoff bewirkt dann auf die herkömmliche Art, daß die Ventilnadel des Injektors von ihrem Sitz abhebt und den Weg für den Kraftstoff zu der Einspritzdüse des Injektors freigibt und der Kraftstoff in den Brennraum des Dieselmotors eingespritzt wird.The diesel engine with direct injection is the internal combustion engine with the highest thermodynamic Efficiency. With regard to fuel injection for different engines different technologies in Commitment. Systems are particularly popular in the commercial vehicle sector Pressure translation enforced to generate higher pressures. An example of a fuel injector with pressure ratio is described in U.S. Patent No. 5,460,329 (Sturman). The fuel passes through a valve designed as a slide valve electromagnetic control valve to a pressure booster in the injector. Via electromagnetic control of the control valve is at fixed times or crank angles the fuel from the pressure booster under high Pressure put. The high pressure fuel causes then in the conventional way that the valve needle of the Injector lifts off their seat and clears the way for the fuel releases to the injector of the injector and the Fuel injected into the combustion chamber of the diesel engine becomes.

Das Steuerventil weist im Bereich der beiden Enden des Ventilschiebers je einen Elektromagneten auf, um hin- und hergeschaltet werden zu können, ohne daß elastische Rückstellelemente erforderlich sind. Um das Steuerventil in einer definierten Stellung zu halten, muß jedoch immer einer der beiden Magneten mit Strom beaufschlagt bleiben, auch nachdem die gewünschte Stellung bereits erreicht ist. The control valve points in the area of the two ends of the valve spool each have an electromagnet to back and forth can be switched down without elastic restoring elements required are. To the control valve in one hold defined position, however, must always be one of the both magnets remain energized, even after the desired position has already been reached.

Deshalb hat Sturman das elektromagnetische Steuerventil so weiterentwickelt, wie es in der eingangs genannten US-PS 5 640 987 beschrieben ist. Bei dieser Ausgestaltung bestehen der Ventilschieber und das Gehäuse des Steuerventils aus geeigneten magnetischen Materialien, damit der Ventilschieber auch ohne Strom aufgrund der Hysterese des magnetischen Materials des Schiebers und des Gehäuses in der jeweiligen Endsteilung bleibt. Zum Umschalten braucht nur noch eine der beiden Magnetspulen kurz mit Strom beaufschlagt zu werden; nach dem erfolgten Umschalten kann der Strom dann abgeschaltet werden. Diese Art eines Steuerventils wird wegen seines bistabilen Verhaltens digitales Ventil genannt. Das Ventil kann als 2-, 3- oder 4-Wege-Ventil ausgeführt werden.That's why Sturman has the electromagnetic control valve developed as it is in the above-mentioned US PS 5,640,987. In this configuration exist the valve spool and the housing of the control valve suitable magnetic materials so that the valve spool even without current due to the hysteresis of the magnetic material of the slide and the housing in the respective end division remains. To switch, only one of the to be briefly energized with both solenoids; after the switchover has taken place, the current can then be switched off become. This type of control valve is used because of its bistable behavior called digital valve. The valve can be designed as a 2-, 3- or 4-way valve.

Ein solches Steuerventil wird auch in US 5 720 261 beschrieben. Die Stromzuführung zur betätigten Magnetspule wird unterbrochen, sobald das Steuerventil sich in seiner Endposition befindet. Dazu wird die nicht betätigte Magnetspule als Sensor verwendet, der das Ende der Bewegung des Steuerventils erkennt.Such a control valve is also described in US 5 720 261 described. The power supply to the actuated solenoid is interrupted as soon as the control valve is in its End position. For this, the solenoid that is not actuated used as a sensor that the end of the movement of the Control valve recognizes.

Unvermeidliche Fertigungstoleranzen und damit die zwangsläufig unterschiedlichen Paarungsspiele zwischen dem Ventilschieber und dem Ventilgehäuse an den Steuerventilen der einzelnen Injektoren einer Einspritzanlage für einen Mehrzylindermotor sowie Unterschiede in den Massen der Ventile und Schwierigkeiten in der Ventileinstellung bewirken jedoch ein unterschiedliches Einspritzverhalten der einzelnen Injektoren an den verschiedenen Zylindern des Motors und in der Folge davon ein ungleichmäßiges Verhalten des Motors, insbesondere Rundlaufstörungen.Inevitable manufacturing tolerances and thus the inevitably different mating games between the Valve slide and the valve housing on the control valves of the individual injectors of an injection system for one Multi-cylinder engine and differences in the masses of the valves and cause valve adjustment difficulties, however a different injection behavior of the individual Injectors on the various cylinders of the engine and in consequently an uneven engine behavior, especially runout problems.

Aufgabe der vorliegenden Erfindung ist es, die eingangs genannte Anordnung und das eingangs genannte Verfahren so auszugestalten, daß die große Streuung der Injektoren im Einspritzverhalten verringert wird und der Motorlauf besser bzw. gleichmäßiger wird. The object of the present invention is to begin with mentioned arrangement and the method mentioned to design so that the large scatter of the injectors in Injection behavior is reduced and the engine runs better or becomes more even.

Diese Aufgabe wird erfindungsgemäß hinsichtlich der Anordnung mit den im Patentanspruch 1 angegebenen Maßnahmen und hinsichtlich des Verfahrens mit den im Patentanspruch 3 angegebenen Maßnahmen gelöst. Bevorzugte Ausführungsformen der Erfindung sind in den Unteransprüchen zu diesen Hauptansprüchen angeführt.This object is achieved according to the Arrangement with the measures specified in claim 1 and with regard to the method with those in claim 3 specified measures solved. Preferred embodiments of the invention are in the subclaims to these main claims cited.

Die obige Aufgabe wird demnach erfindungsgemäß dadurch gelöst, daß, während eine der beiden Magnetspulen des Steuerventils zur Erzeugung einer magnetischen Kraft mit Strom beaufschlagt wird, die andere Magnetspule des jeweiligen Steuerventils als Sensor für eine Bewegung des Ventilschiebers geschaltet wird. Da der Ventilschieber aus einem magnetischen Material besteht, ermöglichen es die magnetischen und die Hystereseeigenschaften dieses Materials, daß eine Bewegung des Ventilschiebers während der Einwirkung und auch noch nach dem Abschalten des Steuerstroms für die eine Magnetspule im Sensor einen Strom oder eine Spannung induziert. Die dadurch während einiger Betriebszyklen erhaltenen Informationen über das charakteristische Ansprechverhalten des Steuerventils bei einer Ansteuerung können im Rahmen einer intelligenten Regelung so verarbeitet werden, daß das Einspritzverhalten des jeweiligen Injektors dahingehend verbessert wird, daß Abweichungen von den einzelnen Sollwerten der Einspritzparameter verringert werden. Zum Beispiel kann eine längere Totzeit zwischen dem Beginn der Bestromung der Magnetspule und dem Beginn der Bewegung des Ventilschiebers bei einem Steuerventil oder generell ein verzögertes Schaltverhalten durch einen früheren Beginn der Bestromung oder eine andere Spannungsversorgung kompensiert werden.Accordingly, the above object is achieved according to the invention solved that while one of the two solenoids of the Control valve for generating a magnetic force with Current is applied to the other solenoid of each Control valve as a sensor for movement of the valve spool is switched. Because the valve spool consists of one magnetic material, allow the magnetic and the hysteresis properties of this material that a movement of the valve spool during the action and even after switching off the control current for one Magnetic coil induces a current or a voltage in the sensor. The results obtained during some operating cycles Information about the characteristic response behavior of the control valve in a control can be within a intelligent control are processed so that the Injection behavior of the respective injector has been improved will that deviations from the individual setpoints the injection parameters can be reduced. For example a longer dead time between the start of energization of the Solenoid and the beginning of the movement of the valve spool in the case of a control valve or generally delayed switching behavior by an earlier start of the current supply or a other voltage supply can be compensated.

Auch wenn im Betrieb zur Erhöhung der Schnelligkeit die beiden Elektromagnete parallel geschaltet werden, läßt sich das charakteristische Verhalten des Ventils aus wenigen Zyklen des Schaltspiels mit nur einem aktivierten Magneten innerhalb kurzer Zeit ausreichend genau bestimmen, um das Ist-Verhalten durch entsprechende Maßnahmen dem gewünschten Verhalten anzunähern.Even if in operation to increase speed the two electromagnets can be connected in parallel the characteristic behavior of the valve from a few Cycles of the switching cycle with only one activated magnet determine with sufficient accuracy within a short period of time to Actual behavior by taking the appropriate measures To approximate behavior.

Die erfindungsgemäße Anordnung bzw. das erfindungsgemäße Verfahren hat den Vorteil, daß keine zusätzlichen Komponenten am Injektor wie Hubgeber und dergleichen erforderlich sind. Das erfindungsgemäße Verfahren läßt sich zum Beispiel relativ einfach durch eine geeignete Software in der vorhandenen elektronischen Motorsteuerung ausführen.The arrangement according to the invention or the inventive Process has the advantage that no additional components on the injector such as a stroke encoder and the like are. The method according to the invention can be used, for example relatively easy by using suitable software in the existing one Execute electronic engine control.

Ein Ausführungsbeispiel der Erfindung wird im folgenden anhand der Zeichnung näher erläutert. Es zeigen:

  • Fig. 1 den Schnitt durch ein Steuerventil, und
  • Fig. 2 den Steuerventilhub in Abhängigkeit von der Zeit bzw. dem Kurbelwinkel bei einer elektromagnetischen Ansteuerung des Steuerventils der Fig. 1.
    • An embodiment of the invention is explained below with reference to the drawing. Show it:
  • Fig. 1 shows the section through a control valve, and
  • 2 shows the control valve lift as a function of time or the crank angle when the control valve of FIG. 1 is actuated electromagnetically.

    • Die Fig. 1 der Zeichnung zeigt schematisch eine Schnittansicht des aus der US-PS 5 640 987 bekannten Steuerventils. Ein solches Steuerventil wird dazu verwendet, den Fluß eines Fluids zum Druckverstärker eines Kraftstoffinjektors zeitlich zu steuern, um dadurch den Druck in einer Druckkammer im Injektor zu erhöhen, aus der der Kraftstoff dann über die Einspritzdüse in die Brennkammer des Verbrennungsmotors eingespritzt wird. Das Steuerventil kann als 2-, 3- oder 4-Wege-Ventil ausgeführt werden.Fig. 1 of the drawing shows a schematic Sectional view of the control valve known from US Pat. No. 5,640,987. Such a control valve is used to Flow of a fluid to the pressure booster of a fuel injector to control the timing in order to reduce the pressure in one Increase pressure chamber in the injector from which the fuel then via the injection nozzle into the combustion chamber of the internal combustion engine is injected. The control valve can be used as a 2-, 3 or 4-way valve.

    Das in der Fig. 1 der Zeichnung gezeigte Steuerventil 10 weist ein Gehäuse 12 mit einer ersten Öffnung 14 und einer zweiten Öffnung 16 auf. Die Öffnungen 14, 16 münden in eine Ventilkammer 18 im Gehäuse 12. Über die Öffnung 14 wird der Kraftstoff von einem Kraftstoffspeicher zugeführt. Die Öffnung 16 stellt die Verbindung zum Druckverstärker des Injektors her.The control valve shown in Fig. 1 of the drawing 10 has a housing 12 with a first opening 14 and one second opening 16. The openings 14, 16 open into one Valve chamber 18 in the housing 12 Fuel supplied from a fuel accumulator. The opening 16 provides the connection to the pressure booster of the injector ago.

    In die Ventilkammer 18 ist axial beweglich ein Ventilschieber 20 mit einer umlaufenden Nut 22 eingesetzt. Der Ventilschieber 20 kann sich zwischen einer linken Endstellung, die in der Fig. 1 dargestellt ist, und einer rechten Endstellung (nicht gezeigt) hin und her bewegen. Um eine Dämpfung der Bewegung des Ventilschiebers 20 zu verhindern, weist das Gehäuse 12 eine erste Leckageöffnung 17 und eine zweite Leckageöffnung 19 auf, die jeweils in einer Stirnseite der Ventilkammer 18 enden und drucklos gehalten werden.A valve slide is axially movable in the valve chamber 18 20 used with a circumferential groove 22. The Valve slide 20 can be between a left end position, which is shown in Fig. 1, and a right Move end position (not shown) back and forth. To one To prevent damping of the movement of the valve spool 20, the housing 12 has a first leakage opening 17 and one second leakage opening 19, each in one end face the valve chamber 18 end and are kept depressurized.

    Die Nut 22 liegt den beiden Öffnungen 14, 16 weiterhin derart gegenüber, daß die von der seitlichen Begrenzung der Nut 22 gebildete Steuerkante 24 in der linken Endstellung des Ventilschiebers 20 die Fluidverbindung zwischen den Öffnungen 14, 16 blockiert, während in der anderen, rechten Endstellung des Ventilschiebers 20 die Fluidverbindung hergestellt wird. Die in der Zeichnung linke Endstellung des Ventilschiebers 20 ist somit die Geschlossenstellung und die gegenüberliegende rechte Endstellung des Ventilschiebers 20 die Offenstellung des Steuerventils 10.The groove 22 is still the two openings 14, 16 so opposite that that of the lateral boundary the control edge 24 formed in the groove 22 in the left end position of the valve spool 20 the fluid connection between the openings 14, 16 blocked while in the other, right end position of the valve slide 20, the fluid connection is established becomes. The left end position of the valve spool in the drawing 20 is thus the closed position and the opposite right end position of the valve slide 20 Open position of the control valve 10.

    Das Steuerventil 10 umfaßt des weiteren eine erste Magnetspule 30 und eine davon räumlich getrennte zweite Magnetspule 32. Das heißt, daß im Bereich der beiden axialen Enden des Ventilschiebers 20 im Gehäuse 12 des Steuerventils 10 je eine Magnetspule 30, 32 zur Erzeugung magnetischer Kräfte für eine Bewegung des Ventilschiebers 20 vorgesehen ist. Die erste Magnetspule 30 ist in der Darstellung der Fig. 1 der Zeichnung an der rechten Seite der Ventilkammer 18 angeordnet und kann den Ventilschieber 20 in die rechte Endstellung (die Offenstellung) bewegen, während die zweite Magnetspule 32 an der linken Seite der Ventilkammer 18 angebracht und dafür vorgesehen ist, den Ventilschieber 20 in die linke Endstellung (die Geschlossenstellung) zu bringen. Die Zuleitungen 34 zu den Magnetspulen 30, 32 sind mit einer elektrischen Steuerschaltung (nicht gezeigt) verbunden.The control valve 10 further includes a first one Magnet coil 30 and a second magnet coil spatially separated therefrom 32. That means that in the area of the two axial Ends of the valve spool 20 in the housing 12 of the control valve 10 each have a magnetic coil 30, 32 for generating magnetic Forces for movement of the valve spool 20 are provided is. The first magnetic coil 30 is shown in the illustration in FIG. 1 of the drawing arranged on the right side of the valve chamber 18 and can slide valve 20 into the right end position (the open position) move while the second solenoid 32 attached to the left side of the valve chamber 18 and is provided for the valve slide 20 in the to bring the left end position (the closed position). The Leads 34 to the solenoids 30, 32 are with a electrical control circuit (not shown) connected.

    Um das Steuerventil 10 zu öffnen, damit ein Fluid, d.h. der Kraftstoff von der ersten Öffnung 14 zur zweiten Öffnung 16 und damit vom Speicher zum Druckverstärker im Kraftstoffinjektor fließen kann, wird die erste Magnetspule 30 von der elektrischen Steuerschaltung mit einem Steuerstrom beaufschlagt. Nachdem der Ventilschieber 20 aufgrund der dadurch auf ihn einwirkenden magnetischen Kraft die rechte Endstellung erreicht hat, wird der Strom für die erste Magnetspule 30 wieder abgeschaltet. Der Ventilschieber 20 und das Gehäuse 12 des Steuerventils 10 bestehen aus geeigneten magnetischen Materialien, so daß der Ventilschieber 20 auch ohne Strom in der ersten Magnetspule 30 aufgrund der magnetischen Hysterese in der rechten Endstellung, der Offenstellung, bleibt.In order to open the control valve 10 so that a fluid, i.e. the fuel from the first opening 14 to the second Opening 16 and thus from the memory to the pressure booster in Fuel injector can flow, the first solenoid 30 from the electrical control circuit with a control current applied. After the valve spool 20 due to this the right end position acting on the magnetic force has reached, the current for the first solenoid 30 switched off again. The valve spool 20 and that Housing 12 of the control valve 10 consist of suitable magnetic Materials so that the valve slide 20 without Current in the first solenoid 30 due to the magnetic Hysteresis in the right end position, the open position, remains.

    Das Steuerventil 10 wird wieder dadurch geschlossen, daß die zweite Magnetspule 32 für eine bestimmte Zeit mit einem Steuerstrom beaufschlagt wird, so daß auf den Ventilschieber 20 eine magnetische Kraft wirkt, die ihn in die linke Geschlossenstellung bringt. The control valve 10 is closed again by that the second solenoid 32 for a certain time with one Control current is applied, so that on the valve spool 20 a magnetic force acts on him in the left Closed position brings.

    Erfindungsgemäß wird nun während einer elektrischen Ansteuerung einer der beiden Magnetspulen 30, 32 mit einem Steuerstrom die jeweils andere Magnetspule 32, 30 als Sensor geschaltet und der durch eine Bewegung des Ventilschiebers 20, der aus einem magnetischen Material ist, im Sensor induzierte Strom (bzw. die induzierte Spannung) in der Steuerschaltung erfaßt und zur Bestimmung des Ansprechverhaltens des jeweiligen Steuerventils 10 ausgewertet. Das heißt, daß, während der ersten Magnetspule 30 ein Steuerstrom zugeführt wird, die zweite Magnetspule 32 als Sensor für eine Bewegung des Ventilschiebers 20 geschaltet und verwendet und an der zweiten Magnetspule 32 der von einer Bewegung des Ventilschiebers 20 induzierte Strom (bzw. die induzierte Spannung) erfaßt wird. Gleichermaßen wird, wenn der zweiten Magnetspule 32 ein Steuerstrom zugeführt wird, die erste Magnetspule 30 als Sensor verwendet und geschaltet. Auf diese Art und Weise können in Korrelation zueinander folgende Informationen gewonnen werden:

    • Zeitliche Abhängigkeit des Stroms durch die jeweils bestromte Magnetspule;
    • zeitliche Abhängigkeit der davon bewirkten Bewegung des Ventilschiebers 20; und
    • Zeitpunkt des Erreichens der jeweiligen Endstellung des Ventilschiebers 20.
    According to the invention, during an electrical control of one of the two solenoids 30, 32 with a control current, the other solenoid 32, 30 is switched as a sensor and the current induced in the sensor by a movement of the valve spool 20, which is made of a magnetic material (or the induced voltage) is detected in the control circuit and evaluated to determine the response behavior of the respective control valve 10. That is, while a control current is being supplied to the first solenoid 30, the second solenoid 32 is switched and used as a sensor for movement of the valve spool 20 and to the second solenoid 32 is the current induced (or induced by movement of the valve spool 20) Voltage) is detected. Likewise, when a control current is supplied to the second solenoid 32, the first solenoid 30 is used and switched as a sensor. In this way, the following information can be obtained in correlation to one another:
    • Temporal dependence of the current through the energized solenoid;
    • temporal dependence of the movement of the valve slide 20 caused thereby; and
    • Time of reaching the respective end position of the valve slide 20.

    Die Fig. 2 der Zeichnung zeigt schematisch und beispielhaft in ihrem oberen Teil idealisiert den zeitlichen Verlauf des der ersten Magnetspule 30 zugeführten Steuerstroms (ausgezogene Linie) und den zeitlichen Verlauf des der zweiten Magnetspule 32 zugeführten Steuerstroms (gestrichelte Linie). Der tatsächliche Stromverlauf weicht von dem zur Vereinfachung der Erläuterung dargestellten idealen Verlauf ab und kann, wie oben angegeben, zur Bestimmung des charakteristischen Ansprechverhaltens des Steuerventils herangezogen werden.2 of the drawing shows schematically and by way of example the upper part idealizes the temporal Course of the control current supplied to the first solenoid 30 (solid line) and the time course of the second magnetic coil 32 supplied control current (dashed Line). The actual current flow deviates from that for simplification the ideal course shown in the explanation and, as stated above, can be used to determine the characteristic Response behavior of the control valve used become.

    In ihrem unteren Teil zeigt die Fig. 2 der Zeichnung in der zeitlichen Korrelation zum oberen Teil den Ventilhub des Ventilschiebers 20. In its lower part, Fig. 2 shows the drawing the valve stroke in the time correlation to the upper part the valve spool 20.

    Zum Zeitpunkt t1 wird, um das Steuerventil 10 aus seiner normalerweise geschlossenen Stellung zu öffnen, von der Steuerschaltung mit der Bestromung der ersten Magnetspule 30 begonnen. Daraufhin beginnt mit einer gewissen Verzögerung zum Zeitpunkt t2 der Ventilschieber 20, sich in Richtung zur rechten Endstellung, der Offenstellung, zu bewegen. Dieser Bewegungsbeginn wird von der zu dieser Zeit als Sensor geschalteten zweiten Magnetspule 32 aufgrund des in der zweiten Magnetspule 32 induzierten Stroms bzw. der induzierten Spannung erfaßt. Wenn der Ventilschieber 20 an seiner rechten Endstellung (der Offenstellung) in Anschlag geht und sich deshalb nicht mehr weiter bewegt, induziert er auch keinen Strom bzw. keine Spannung mehr in der zweiten Magnetspule 32. Daraus ergibt sich exakt der Zeitpunkt t3, in dem der Ventilschieber 20 in seiner rechten Endstellung zur Anlage kommt. Als Folge davon kann unmittelbar danach zum Zeitpunkt t4 der Strom für die erste Magnetspule 30 abgeschaltet werden.At time t 1 , in order to open the control valve 10 from its normally closed position, the control circuit starts energizing the first solenoid 30. Then, with a certain delay at time t 2, the valve slide 20 begins to move in the direction of the right end position, the open position. This start of movement is detected by the second magnet coil 32, which was switched as a sensor at that time, on the basis of the current or the voltage induced in the second magnet coil 32. If the valve slide 20 stops at its right end position (the open position) and therefore no longer moves, it also does not induce any current or voltage in the second solenoid coil 32. This gives the exact time t 3 in which the valve slide 20 comes to rest in its right end position. As a result, the current for the first magnetic coil 30 can be switched off immediately after the time t 4 .

    Um das Steuerventil 10 wieder zu schließen, wird ab dem Zeitpunkt t5 der zweiten Magnetspule 32 von der Steuerschaltung Strom zugeführt, während die erste Magnetspule 30 als Sensor geschaltet wird. Die erste Magnetspule 30 erfaßt dann den Zeitpunkt t6 des Beginns der Bewegung des Ventilschiebers 20 nach links in Richtung linke (geschlossene) Endstellung sowie den Zeitpunkt t7, wenn der Ventilschieber 20 in der linken (geschlossenen) Endstellung zur Anlage kommt. Zum Zeitpunkt t8 wird daraufhin die Bestromung der zweiten Magnetspule 32 beendet.In order to close the control valve 10 again, current is supplied to the second solenoid 32 from the control circuit from time t 5 , while the first solenoid 30 is switched as a sensor. The first solenoid 30 then detects the time t 6 of the beginning of the movement of the valve slide 20 to the left in the direction of the left (closed) end position and the time t 7 when the valve slide 20 comes to rest in the left (closed) end position. The current supply to the second magnetic coil 32 is then ended at time t 8 .

    Der Zeitpunkt t2 legt den Einspritzbeginn fest, und die Zeitspanne von t2 bis t7 bestimmt im wesentlichen die Einspritzdauer des Injektors. Die Verzögerungszeit t2-t1 zwischen dem Beginn der Bestromung des ersten Magnetventils 30 zum Öffnen den Ventils und dem tatsächlichen Öffnen sowie die Abschaltzeit t7-t5 zwischen dem Beginn der Bestromung des zweiten Magnetventils 32 zum Abschalten des Ventils und dem tatsächlichen Abschalten beeinflussen damit die wichtigsten Einspritzparameter des Injektors. Da sich mit der vorliegenden Anordnung und dem vorliegenden Verfahren die Zeitpunkte t1 bis t8 an jedem Injektor exakt erfassen lassen, können die Verzögerungszeiten t2-t1 und die Abschaltzeiten t7-t5 bei der elektrischen Ansteuerung jedes einzelnen Injektors am Motor zum Beispiel durch geeignetes Festlegen der Zeitpunkte t1 und t5 im Verhältnis zum Kurbelwinkel berücksichtigt werden, so daß Abweichungen vom Soll- oder Mittelwert genau kompensiert werden können.The time t 2 determines the start of injection, and the time period from t 2 to t 7 essentially determines the injection duration of the injector. The delay time t 2 -t 1 between the start of energization of the first solenoid valve 30 to open the valve and the actual opening and the switch-off time t 7 -t 5 between the start of energization of the second solenoid valve 32 to switch off the valve and the actual switch-off the most important injection parameters of the injector. Since with the present arrangement and the present method the times t 1 to t 8 on each injector can be precisely recorded, the delay times t 2 -t 1 and the switch-off times t 7 -t 5 can be used for the electrical control of each individual injector on the engine Example by suitably defining the times t 1 and t 5 in relation to the crank angle are taken into account, so that deviations from the setpoint or mean value can be exactly compensated.

    Alternativ oder zusätzlich kann zur Kompensation von Abweichungen natürlich auch die Stromstärke und/oder die Spannung des Steuerstromes und dergleichen verändert werden.Alternatively or additionally, can be used to compensate for Deviations of course also the amperage and / or the Voltage of the control current and the like can be changed.

    Die Zeitpunkte t1 bis t8 entsprechen jeweils einem bestimmen Kurbelwinkel des Motors; die Angabe der Zeitpunkte kann deshalb bei der Erfassung der Drehzahl auch durch eine Angabe des jeweiligen Kurbelwinkels ersetzt werden.The times t 1 to t 8 each correspond to a specific crank angle of the engine; the times given can therefore also be replaced by the respective crank angle when the speed is recorded.

    Die vorliegende Anordnung und das vorliegende Verfahren können auch dann angewendet werden, wenn beide Magnetspulen 30, 32 zur Erhöhung der Schaltgeschwindigkeit im allgemeinen parallel betrieben werden. Zur Festlegung der Zeitpunkte t1 bis t8 sind dann separat nur einige wenige Zyklen mit jeweils nur einem aktiv angesteuerten Magneten zu durchfahren, während der andere Magnet wie beschrieben als Sensor verwendet wird. Damit läßt sich das Ist-Verhalten des jeweiligen Steuerventils ausreichend genau identifizieren, um es über eine Einstellung zum Beispiel des Beginns der Bestromung und/oder der Stärke des Steuerstromes an das Soll-Verhalten anpassen zu können.The present arrangement and the present method can also be used if both magnet coils 30, 32 are generally operated in parallel to increase the switching speed. To determine the times t 1 to t 8 , only a few cycles with only one actively controlled magnet are then to be carried out separately, while the other magnet is used as a sensor as described. The actual behavior of the respective control valve can thus be identified with sufficient accuracy in order to be able to adapt it to the desired behavior via a setting, for example the start of the current supply and / or the strength of the control current.

    Claims (6)

    1. Arrangement to regulate a control valve for a diesel injection system, with a fuel injector with a pressure intensifier, with a control valve (10) connected before it, whereby the control valve (10) comprises a housing (12) with a valve chamber (18) with a movable valve slide (20) inside and a first magnet coil (30) and a second magnet coil (32) to move the valve slide (20), whereby during electrical activation of one of the two magnet coils (30; 32) with a control current, the other magnet coil (32; 30) is connected as a sensor, whereby during a few operating cycles of the fuel injector the current induced in the sensor by a movement of the valve slide (20) is detected in a control circuit and analysed to determine the response behaviour of the control valve (10), characterised in that the specified response behaviour according to these few operating cycles is used to control the control valve (10).
    2. Arrangement according to Claim 1, characterised in that to determine the response behaviour of the control valve (10) during a few operating cycles of the fuel injector only one of the magnet coils (30; 32) is activated electrically and the other magnet coil (32; 30) is connected as a sensor and that during the other operating cycles both magnet coils (30; 32) are activated in parallel.
    3. Method to regulate a control valve for a diesel injection system, with a fuel injector with a pressure intensifier, with the control valve (10) connected in front of it, whereby the control valve (10) comprises a housing (12) with a valve chamber (18) with a movable valve slide (20) inside and a first magnet coil (30) and a second magnet coil (32) to move the valve slide (20), whereby during electrical activation of one of the two magnet coils (30; 32) with a control current, the other magnet coil (32; 30) is used as a sensor, whereby during a few operating cycles of the fuel injector the current induced in the sensor by a movement of the valve slide (20) is detected and analysed to determine the response behaviour of the control valve (10), characterised in that the response behaviour determined according to these few operating cycles is used to control the control valve (10).
    4. Method according to Claim 3, characterised in that to determine the response behaviour of the control valve (10) during a few operating cycles of the fuel injector only one of the magnet coils (30; 32) is electrically activated and the other magnet coil (32; 30) is connected as a sensor and that during the other operating cycles both magnet coils (30; 32) are activated in parallel.
    5. Method according to Claim 3, characterised in that the time (t1; t5) of the start of supply of the control current to the activated magnet coil (30; 32) is changed to adjust the response behaviour of the control valve (10).
    6. Method according to Claim 3, characterised in that the current strength of the control current for the activated magnet coil (30; 32) is changed to adjust the response behaviour of the control valve (10).
    EP00916760A 1999-03-01 2000-02-24 System and method for controlling a control valve for a diesel fuel injection system Expired - Lifetime EP1157205B1 (en)

    Applications Claiming Priority (3)

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    DE19908812 1999-03-01
    DE19908812 1999-03-01
    PCT/DE2000/000521 WO2000052326A1 (en) 1999-03-01 2000-02-24 System and method for controlling a control valve for a diesel fuel injection system

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    EP1157205B1 true EP1157205B1 (en) 2002-09-11

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    EP (1) EP1157205B1 (en)
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    Cited By (15)

    * Cited by examiner, † Cited by third party
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    US8905063B2 (en) 2011-12-15 2014-12-09 Honeywell International Inc. Gas valve with fuel rate monitor
    US8947242B2 (en) 2011-12-15 2015-02-03 Honeywell International Inc. Gas valve with valve leakage test
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    US10203049B2 (en) 2014-09-17 2019-02-12 Honeywell International Inc. Gas valve with electronic health monitoring
    US10215291B2 (en) 2013-10-29 2019-02-26 Honeywell International Inc. Regulating device
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    US11073281B2 (en) 2017-12-29 2021-07-27 Honeywell International Inc. Closed-loop programming and control of a combustion appliance

    Families Citing this family (17)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE10117401C2 (en) * 2001-04-06 2003-02-27 Mtu Friedrichshafen Gmbh Fuel injection system for an internal combustion engine
    US6662783B2 (en) * 2001-10-22 2003-12-16 Siemens Diesel Systems Technology Digital valve
    US6845300B2 (en) * 2002-01-07 2005-01-18 Ford Global Technologies, Llc Control methods for electromagnetic valve actuators
    US6769407B2 (en) * 2002-07-31 2004-08-03 Caterpillar Inc Fuel injector having multiple electrical actuators and a method for installing the fuel injector in an engine
    US8196844B2 (en) * 2004-12-21 2012-06-12 Sturman Industries, Inc. Three-way valves and fuel injectors using the same
    US20070113906A1 (en) * 2005-11-21 2007-05-24 Sturman Digital Systems, Llc Pressure balanced spool poppet valves with printed actuator coils
    WO2007103371A2 (en) * 2006-03-06 2007-09-13 Sturman Industries, Inc. Three-way poppet valve with floating seat
    US7520266B2 (en) * 2006-05-31 2009-04-21 Caterpillar Inc. Fuel injector control system and method
    US8066474B1 (en) * 2006-06-16 2011-11-29 Jansen's Aircraft Systems Controls, Inc. Variable guide vane actuator
    US20080041467A1 (en) * 2006-08-16 2008-02-21 Eaton Corporation Digital control valve assembly for a hydraulic actuator
    US8444070B2 (en) * 2011-01-21 2013-05-21 International Engine Intellectual Property Company, Llc Electric-actuated control valve of a unit fuel injector
    CN103094005B (en) * 2011-10-31 2016-04-20 富泰华工业（深圳）有限公司 The method of relay and control relay
    US9835265B2 (en) 2011-12-15 2017-12-05 Honeywell International Inc. Valve with actuator diagnostics
    US9846440B2 (en) 2011-12-15 2017-12-19 Honeywell International Inc. Valve controller configured to estimate fuel comsumption
    US10422531B2 (en) 2012-09-15 2019-09-24 Honeywell International Inc. System and approach for controlling a combustion chamber
    US9841122B2 (en) 2014-09-09 2017-12-12 Honeywell International Inc. Gas valve with electronic valve proving system
    US10503181B2 (en) 2016-01-13 2019-12-10 Honeywell International Inc. Pressure regulator

    Family Cites Families (11)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE3302292A1 (en) * 1983-01-25 1984-07-26 Klöckner-Humboldt-Deutz AG, 5000 Köln Solenoid-operatable control valve for fuel injection devices
    GB8322888D0 (en) * 1983-08-25 1983-09-28 Lucas Ind Plc Control system
    DE3633107A1 (en) * 1986-04-10 1987-10-15 Bosch Gmbh Robert FUEL INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINES
    DE4142996A1 (en) * 1991-12-24 1993-07-01 Bosch Gmbh Robert METHOD FOR MEASURING THE MECHANICAL MOVEMENT OF A SOLENOID VALVE ARMOR, ESPECIALLY ELECTRICALLY CONTROLLED INJECTION SYSTEMS
    DE4341797A1 (en) * 1993-12-08 1995-06-14 Bosch Gmbh Robert Method and device for controlling an electromagnetic consumer
    US5640987A (en) 1994-04-05 1997-06-24 Sturman; Oded E. Digital two, three, and four way solenoid control valves
    US5460329A (en) 1994-06-06 1995-10-24 Sturman; Oded E. High speed fuel injector
    US5720261A (en) * 1994-12-01 1998-02-24 Oded E. Sturman Valve controller systems and methods and fuel injection systems utilizing the same
    DE19723563A1 (en) 1997-06-05 1998-12-10 Fev Motorentech Gmbh & Co Kg Method for monitoring the function of an electromagnetic actuator
    JPH11148439A (en) * 1997-06-26 1999-06-02 Hitachi Ltd Electromagnetic fuel injection valve and its fuel injection method
    DE19843073C1 (en) * 1998-09-19 2000-05-31 Daimler Chrysler Ag Method for operating an electromagnetic actuator for operating a gas exchange valve

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    DE50000490D1 (en) 2002-10-17
    WO2000052326A1 (en) 2000-09-08
    US6494187B2 (en) 2002-12-17
    EP1157205A1 (en) 2001-11-28
    US20020029765A1 (en) 2002-03-14

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