EP2357353A3 - Verfahren zur Erkennung des Schließzeitpunktes eines Einspritzventilgliedes in einem Kraftstoffeinspritzventil sowie Kraftstoffeinspritzventil - Google Patents

Verfahren zur Erkennung des Schließzeitpunktes eines Einspritzventilgliedes in einem Kraftstoffeinspritzventil sowie Kraftstoffeinspritzventil Download PDF

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Publication number
EP2357353A3
EP2357353A3 EP11150104.5A EP11150104A EP2357353A3 EP 2357353 A3 EP2357353 A3 EP 2357353A3 EP 11150104 A EP11150104 A EP 11150104A EP 2357353 A3 EP2357353 A3 EP 2357353A3
Authority
EP
European Patent Office
Prior art keywords
injection valve
fuel injection
spring element
solenoid valve
closing
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP11150104.5A
Other languages
English (en)
French (fr)
Other versions
EP2357353B1 (de
EP2357353A2 (de
Inventor
Nestor Rodriguez-Amaya
Siegfried Ruthardt
Holger Rapp
Wolfgang Stoecklein
Bernd Berghaenel
Marco Beier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2357353A2 publication Critical patent/EP2357353A2/de
Publication of EP2357353A3 publication Critical patent/EP2357353A3/de
Application granted granted Critical
Publication of EP2357353B1 publication Critical patent/EP2357353B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/005—Arrangement of electrical wires and connections, e.g. wire harness, sockets, plugs; Arrangement of electronic control circuits in or on fuel injection apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • 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
    • F02M57/00—Fuel-injectors combined or associated with other devices
    • F02M57/005—Fuel-injectors combined or associated with other devices the devices being sensors
    • 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
    • F02M63/0017—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic 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
    • 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
    • F02M63/007—Details not provided for in, or of interest apart from, the apparatus of the groups F02M63/0014 - F02M63/0059
    • F02M63/0073—Pressure balanced valves
    • 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
    • F02M65/005—Measuring or detecting injection-valve lift, e.g. to determine injection timing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
    • F02D2041/2055—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit with means for determining actual opening or closing time
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/06—Fuel or fuel supply system parameters
    • F02D2200/063—Lift of the valve needle

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

Die Erfindung betrifft ein Verfahren zur Erkennung des Schließzeitpunktes eines Einspritzventilgliedes (1) in einem Kraftstoffeinspritzventil zum Einspritzen von Kraftstoff in den Brennraum einer Brennkraftmaschine, wobei das Einspritzventilglied (1) über ein Magnetventil (2) angesteuert wird, indem durch Öffnen oder Schließen des Magnetventils(2) ein das Einspritzventilglied (1) in Schließrichtung beaufschlagender hydraulischer Druck in einem Steuerraum (3) verändert wird, und wobei das Magnetventil (2) einen axial verschiebbar gelagerten und an einem Federelement (4) abgestützten Ankerbolzen (5) umfasst, der von einer Axialkraft beaufschlagt wird, die proportional zum hydraulischen Druck im Steuerraum (3) ist.
Erfindungsgemäß werden Kopplungsmittel (6) eingesetzt, über welche das Federelement (4) und eine Spule (7, 8) wenigstens eines Magnetkreises (9, 10) gekoppelt sind und über welche bei einer elastischen Verformung des Federelementes (4) eine detektierbare Parameteränderung, vorzugsweise eine Änderung der Spulenspannung oder des Spulenstroms, in zumindest einem Magnetkreis (9, 10) bewirkt werden.
Ferner betrifft die Erfindung ein Kraftstoffeinspritzventil mit entsprechenden Kopplungsmitteln (6).
EP11150104.5A 2010-02-16 2011-01-04 Verfahren zur Erkennung des Schließzeitpunktes eines Einspritzventilgliedes in einem Kraftstoffeinspritzventil sowie Kraftstoffeinspritzventil Active EP2357353B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010001960A DE102010001960A1 (de) 2010-02-16 2010-02-16 Verfahren zur Erkennung des Schließzeitpunktes eines Einspritzventilgliedes in einem Kraftstoffeinspritzventil sowie Kraftstoffeinspritzventil

Publications (3)

Publication Number Publication Date
EP2357353A2 EP2357353A2 (de) 2011-08-17
EP2357353A3 true EP2357353A3 (de) 2015-08-26
EP2357353B1 EP2357353B1 (de) 2017-08-09

Family

ID=43927623

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11150104.5A Active EP2357353B1 (de) 2010-02-16 2011-01-04 Verfahren zur Erkennung des Schließzeitpunktes eines Einspritzventilgliedes in einem Kraftstoffeinspritzventil sowie Kraftstoffeinspritzventil

Country Status (2)

Country Link
EP (1) EP2357353B1 (de)
DE (1) DE102010001960A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014210605A1 (de) 2013-09-17 2015-03-19 Robert Bosch Gmbh Kraftstoffinjektor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006051206A1 (de) * 2006-10-30 2008-05-08 Robert Bosch Gmbh Kraftstoffinjektor mit einer Messeinrichtung
DE102007031552A1 (de) * 2007-07-06 2009-01-08 Robert Bosch Gmbh Verfahren zum Ermitteln einer Position eines Ankers in einem Magnetventil und Vorrichtung zum Betreiben eines Magnetventils mit einem Anker
WO2009132879A2 (de) * 2008-04-28 2009-11-05 Robert Bosch Gmbh Kraftstoff-einspritzvorrichtung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006051206A1 (de) * 2006-10-30 2008-05-08 Robert Bosch Gmbh Kraftstoffinjektor mit einer Messeinrichtung
DE102007031552A1 (de) * 2007-07-06 2009-01-08 Robert Bosch Gmbh Verfahren zum Ermitteln einer Position eines Ankers in einem Magnetventil und Vorrichtung zum Betreiben eines Magnetventils mit einem Anker
WO2009132879A2 (de) * 2008-04-28 2009-11-05 Robert Bosch Gmbh Kraftstoff-einspritzvorrichtung

Also Published As

Publication number Publication date
DE102010001960A1 (de) 2011-08-18
EP2357353B1 (de) 2017-08-09
EP2357353A2 (de) 2011-08-17

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