WO2016055214A1 - Procédé permettant de faire fonctionner un système, comprenant une soupape de commande présentant un équipement d'actionnement électromagnétique commandé par un appareil de commande, et système correspondant - Google Patents

Procédé permettant de faire fonctionner un système, comprenant une soupape de commande présentant un équipement d'actionnement électromagnétique commandé par un appareil de commande, et système correspondant Download PDF

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Publication number
WO2016055214A1
WO2016055214A1 PCT/EP2015/069543 EP2015069543W WO2016055214A1 WO 2016055214 A1 WO2016055214 A1 WO 2016055214A1 EP 2015069543 W EP2015069543 W EP 2015069543W WO 2016055214 A1 WO2016055214 A1 WO 2016055214A1
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WO
WIPO (PCT)
Prior art keywords
valve
control
control valve
magnetic force
closing movement
Prior art date
Application number
PCT/EP2015/069543
Other languages
German (de)
English (en)
Inventor
Juergen Simmerer
Markus Schmitzberger
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 WO2016055214A1 publication Critical patent/WO2016055214A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/02—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
    • F02D19/021—Control of components of the fuel supply system
    • F02D19/023—Control of components of the fuel supply system to adjust the fuel mass or volume flow
    • F02D19/024—Control of components of the fuel supply system to adjust the fuel mass or volume flow by controlling fuel injectors
    • 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
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0027—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures the fuel being gaseous
    • 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
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/0248—Injectors
    • F02M21/0251—Details of actuators therefor
    • F02M21/0254—Electric actuators, e.g. solenoid or piezoelectric
    • 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
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/0248—Injectors
    • F02M21/0257—Details of the valve closing elements, e.g. valve seats, stems or arrangement of flow passages
    • F02M21/0272—Ball valves; Plate valves; Valves having deformable or flexible parts, e.g. membranes; Rotatable valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0644—One-way valve
    • F16K31/0655—Lift valves
    • F16K31/0658—Armature and valve member being one single element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0686—Braking, pressure equilibration, shock absorbing
    • F16K31/0689—Braking of the valve element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16—Rectilinearly-movable armatures
    • H01F7/1638—Armatures not entering the winding
    • 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
    • F02D2041/2034—Control of the current gradient
    • 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
    • F02D2041/2037—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit for preventing bouncing of the valve needle
    • 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
    • F02D2041/2051—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit using voltage control
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
    • H01F2007/1894—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings minimizing impact energy on closure of magnetic circuit
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/30—Use of alternative fuels, e.g. biofuels

Definitions

  • a method of operating a system comprising a control valve having controller controlled electromagnetic actuation and a corresponding system
  • the invention relates to a method for operating a system, comprising a control valve with controlled by a controller electromagnetic actuation, comprising a at least one coil and an armature
  • Control valve spring is adjusted. Furthermore, the invention relates to a suitably designed system.
  • Such a system is known from DE 199 05 721 AI.
  • This system comprises a gas injection valve for a gas-fueled internal combustion engine.
  • the gas injection valve essentially consists of an electromagnet and a valve operated by the electromagnet for gas metering.
  • the electromagnet via a punch with a sealing element, which in turn cooperates with a valve seat, together.
  • the punch comprises a disc-shaped end part, which is supported on the sealing element in the region of the valve seat.
  • a closing spring of the gas injection valve is supported on the disk-shaped end part.
  • the disk-shaped end part is intended to prevent deformation of the preferably loose sealing element.
  • the invention is based on the object, a method for operating a system, comprising a control valve controlled by a control unit specify electromagnetic actuation, in which the closing operation is improved. Furthermore, a corresponding system should be provided.
  • the system is characterized in that it has a magnetic force control device which slows the closing movement.
  • This refinement or this method is based, first of all, on the recognition that a switching off or closing of the control valve and thus of the valve operated therefrom takes place by the current or the voltage which actuates the electromagnet being switched off. As a result, the force of the electromagnet decreases in time. In this process, finally, the sum of spring force and gas force is greater than the magnetic force and the valve closes.
  • the opening cross-sections to be released are relatively large (typically a few hundred mm 2 ) and the static flow reaches 1,000 kg / h and more.
  • valve must be dimensioned relatively large (the diameter of valve seat and valve head is typically a few cm, up to about 15 to 20 cm). These dimensions create large pressurized areas that are against the prevailing differential pressure (medium pressure on the supply side against the pressure in the
  • Suction tube of typically 2 to 6 bar must be opened.
  • the stroke is typically 100 to 300 ⁇ and the residual air gap typically 50 ⁇ , so that the electromagnet must be able to generate high forces (some 100 N to about 1000 N).
  • the electromagnet must be able to generate high forces (some 100 N to about 1000 N).
  • a considerable amount of electromagnetic energy is stored in the electromagnet, which must be dissipated before the
  • Valve closes.
  • a control valve spring is provided which presses the valve disc together with the moving components of the control valve after the end of the energization in the valve seat.
  • the control valve spring is configured to immediately urge the valve disk into the valve seat against the force of the remaining electromagnetic energy in the solenoid.
  • valve disk hits conventional systems at high speed on the Valve seat on and there is a so-called valve seat rebound, in which the valve disk impinges on the valve seat at high speed and is moved back out of the valve seat due to the high kinetic energy.
  • the closing movement is slowed down immediately before the impact of the valve disk on the valve seat of the valve.
  • the closing time compared to a conventional system is not or only slightly extended. It can be additionally provided that the closing movement is performed faster before slowing down, so that as a result, a time-neutral closing operation compared to a conventional system is shown.
  • Electromagnet slows down.
  • This application of the voltage profile and / or current profile is set by means of the magnetic force control device.
  • different profiles can be stored in the magnetic force control device, which can be used in different systems or different operating conditions of a system.
  • the profiles of the additional current and voltage pulses (slowdown pulses) are selected so that the closing movement of the movable valve group of the valve is reproducibly slowed down.
  • the re-applied magnetic force acts on the armature group, in particular on the valve disk in the direction of the coil, which leads to a slowing down of the movement of the movable valve group immediately before impinging on the valve seat.
  • the method is adjusted so that the closing speed of the valve disk is at least halved immediately before hitting the valve seat. This is a desirable value, which ensures that the requirements at the beginning of the improvement of the
  • Closing speed is increasingly reduced until the impact of the valve disk on the valve seat. This can be adjusted by a corresponding voltage and / or current profile with little effort. This makes it possible to represent an even more accurate closing operation with minimal wear. Also, this is the closing time overall shortened. In a further embodiment, before initiating a deceleration of
  • Delay between the end of the energization and the beginning of the mechanical closing can be some with conventional systems
  • Closing movement is balanced in time. Overall, an increased dosing accuracy of the medium is achieved with significantly improved wear behavior.
  • a magnetic force extinction voltage can be applied to the coil even after complete closing of the valve. The renewed application of a magnetic force extinction voltage to the coil leads to a de-energizing the electromagnet (magnetic force reduction) and thus to reproducible initial conditions for the next
  • the magnetic force control device is integrated in the control unit. This is a preferred embodiment, which is particularly space-saving. In development of the system, the
  • Magnetic control device but also be a separate unit that can be integrated in an electrical and magnetic interface of the controller, in an electrical and magnetic interface of the control valve, in a connecting line between the controller and the control valve or in the control valve itself. This makes it possible to still use the advantages of the present invention with existing and reusable control devices.
  • control valve may be any control valve that controls any medium
  • the preferred application is with a gas valve, particularly a gas injection valve for a gas powered valve
  • the method according to the invention or the correspondingly configured system has several advantages. - It is achieved a significant reduction in the impact velocity and thus the impact pulse and the kinetic energy to be dissipated at the sealing edges, a load reduction of the impact surfaces, which are also sealing surfaces, of the valve disk and valve seat as a prerequisite for a
  • FIG. 1 shows a control valve 1 designed as a gas injection valve for controlling the flow rate of a gaseous medium.
  • the control valve 1 is used in particular in a gas-fired internal combustion engine, wherein the internal combustion engine may be, for example, a large engine, which is used in stationary operation or transient operation.
  • the control valve 1 has a valve housing 2, in which an electromagnet 3 is arranged.
  • the electromagnet 3 has at least one coil 4 which, when energized, moves an armature 5 axially in the valve housing 2.
  • At the anchor 5 is by means of an anchor bolt 6 with the insertion of an adjusting ring 20 a
  • Valve plate 7 of a valve 8 attached, wherein the valve plate 7 is seated in a non-energized coil 4 - as shown - on a valve seat 9 of the valve 8.
  • the valve disk 7 is lifted off the valve seat 9 and releases a flow connection 10 through the valve 8.
  • gas flows from a reservoir through the control valve 1 directly into a combustion chamber of the internal combustion engine or indirectly via an intake tract or a suction pipe of the intake at an open intake valve of the internal combustion engine into a combustion chamber.
  • the supply of the gas to the control valve can be carried out by a arranged in the valve housing 2 and shown in phantom bore in the axial direction or a dashed line also shown in the radial direction.
  • a closing movement of the control valve 1 is by switching off the
  • a control valve 1 used in a large engine is designed to be relatively large due to the opening cross sections to be released, wherein the valve disc 7 may have a diameter of up to 20 cm and a stroke of up to 300 ⁇ to release the necessary flow cross section with the valve 8 open. Accordingly, the solenoid 3 must be dimensioned to be powerful in order to move the valve disk 7 against the force of the at least one control valve spring 11 and against the gas pressure forces prevailing in the control valve 1 to release the flow connection 10. Accordingly, at the end of the opening phase in the
  • Electromagnet 3 stored an electromagnetic energy that degraded must be before the valve 8 closes. The delay between the end of the energization and the beginning of the mechanical closing
  • the closing movement of the valve disk 7 is slowed down immediately before hitting the valve seat 9 by means of a basically arbitrarily installable magnetic force control device 16.
  • the control valve 1 has a connector 13, which is electrically connected to the coil 4 and wherein to the connector 13, a control line 14 is connected, which in turn is connectable to a control unit 15.
  • Magnetic force control device 16 is present, which can be installed or integrated in the control valve 1, in the connector 13, in the control line 14 or the control unit 15. By means of the magnetic force control device 16, as will be explained in more detail below, the closing movement of the valve disk 7 of the valve 8 is slowed down before hitting the valve seat 9.
  • the overall current flow characteristic I of the coil 4 of the electromagnet 3 is shown over the time t.
  • a phase I there is a conventional energization of the coil 4 with the opening of the valve 8, in which the valve plate 7 is moved away from the valve seat 9, is set.
  • the phase I typically has a holding phase la. but it can also be omitted.
  • a second phase II In a second phase II
  • Magnetic extinguishing voltage 12 causes a still existing
  • Initiation of the closing movement of the valve disk 7 is initiated after switching off the current supply.
  • a phase III. slows down the closing movement of the valve disk 7 by means of the magnetic force control device 16
  • a voltage profile and / or current profile 17 (slowdown pulses) to the coil 4th is created.
  • the closing movement of the valve disk 7 immediately before impinging on the valve seat 9 - as shown in the figure 2c and 2d - slows down.
  • After the phase III. can connect a phase IV., Which emits a magnetic force extinction voltage 12 to the coil 4 again.
  • any residual magnetization that may still be present in the coil 4 is reduced and a de-energizing of the electromagnet 3 is performed.
  • Magnetic force control device 16 for slowing down the closing movement of the valve disk 7 are adjustable. Both the voltage profiles and / or current profiles 17 and the magnetic force extinction voltage 12 can be varied and adjusted as desired.
  • FIG. 2c the stroke course H of the valve disk 7 over the time t is shown in diagram form. This is in particular reproduced that after a
  • Valve seat 9 decreases constantly and after hitting the valve seat 9 by a recoil impulse significantly lifts off (bounce) (final phase of the stroke and bounce process are shown with dashed lines and 19 "
  • Magnetic force control device 16 is reduced, so that the Endhub 19 of the valve disc 7 has the lower slope shown in the diagram 2c (solid line). Also, this is given no or only a significantly reduced bounce.
  • Figure 2d shows the synchronous to the Hubverlauf according to Figure 2c
  • Velocity profile v of the valve disk 7 over time t is indicated by dashed lines, which in the case of conventional
  • Impact speed 18 by the erfindungsmäße Magnetic force control device 16 is adjustable. It can be seen that the impact speed 18 is more than half less than the conventional impact velocity. 18 Approximately halving the impact velocity 18 corresponds to approximately halving the impact momentum and thus approximately one quarter of the kinetic energy of the moving components to be dissipated at the sealing edges of the control valve 1.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Power Engineering (AREA)
  • Valve Device For Special Equipments (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

L'invention concerne un procédé permettant de faire fonctionner un système, comprenant une soupape de commande (1) présentant un équipement d'actionnement électromagnétique commandé par un appareil de commande (15). Ledit équipement d'actionnement comprend un électroaimant (3), qui comporte au moins une bobine (4) et un induit (5) et qui coopère avec une soupape (8) déterminant un dosage de milieu, un mouvement d'ouverture de la soupape (8) étant réglé par l'électroaimant (3) et un mouvement de fermeture étant réglé par un ressort (11) de la soupape de commande. L'invention vise à fournir un procédé permettant de faire fonctionner un système de ce type, selon lequel l'opération de fermeture de la soupape (8) est améliorée pour augmenter la durabilité de la soupape de commande (1). A cet effet, l'invention propose un dispositif de commande de force magnétique (16), qui ralentit le mouvement de fermeture de la soupape (8) juste avant qu'une tête (7) de la soupape vienne heurter un siège (9) de la soupape.
PCT/EP2015/069543 2014-10-07 2015-08-26 Procédé permettant de faire fonctionner un système, comprenant une soupape de commande présentant un équipement d'actionnement électromagnétique commandé par un appareil de commande, et système correspondant WO2016055214A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014220292.2A DE102014220292A1 (de) 2014-10-07 2014-10-07 Verfahren zum Betreiben eines Systems, aufweisend ein Steuerventil mit einem von einem Steuergerät gesteuerter elektromagnetischer Betätigung und entsprechendes System
DE102014220292.2 2014-10-07

Publications (1)

Publication Number Publication Date
WO2016055214A1 true WO2016055214A1 (fr) 2016-04-14

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PCT/EP2015/069543 WO2016055214A1 (fr) 2014-10-07 2015-08-26 Procédé permettant de faire fonctionner un système, comprenant une soupape de commande présentant un équipement d'actionnement électromagnétique commandé par un appareil de commande, et système correspondant

Country Status (2)

Country Link
DE (1) DE102014220292A1 (fr)
WO (1) WO2016055214A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11261998B2 (en) * 2017-05-17 2022-03-01 Robert Bosch Gmbh Method for switching over a solenoid valve

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022202027A1 (de) * 2022-02-28 2023-08-31 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zur Ansteuerung eines elektromagnetisch ansteuerbaren Gasventils, Steuergerät

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5398724A (en) * 1993-06-28 1995-03-21 Woodward Governor Company High speed electrically actuated gaseous fuel admission valve
WO1998004823A2 (fr) * 1996-07-26 1998-02-05 Siemens Automotive Corp Lp Procede et appareil de commande du mouvement d'un induit pour injecteur de carburant
DE19905721A1 (de) 1998-02-24 1999-08-26 Hoerbiger Ventilwerke Gmbh Gasventil
US6298829B1 (en) * 1999-10-15 2001-10-09 Westport Research Inc. Directly actuated injection valve
DE10235196A1 (de) * 2002-08-01 2004-02-19 Robert Bosch Gmbh Verfahren zum Ansteuern eines elektromagnetisch betätigten Schaltventils sowie eine Anlage mit einem solchen Schaltventil
US7013876B1 (en) * 2005-03-31 2006-03-21 Caterpillar Inc. Fuel injector control system
EP2574764A1 (fr) * 2011-09-30 2013-04-03 Delphi Automotive Systems Luxembourg SA Détermination de la vitesse d'une aiguille d'injecteur d'un injecteur de carburant à solénoïde et procédé de contrôle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5398724A (en) * 1993-06-28 1995-03-21 Woodward Governor Company High speed electrically actuated gaseous fuel admission valve
WO1998004823A2 (fr) * 1996-07-26 1998-02-05 Siemens Automotive Corp Lp Procede et appareil de commande du mouvement d'un induit pour injecteur de carburant
DE19905721A1 (de) 1998-02-24 1999-08-26 Hoerbiger Ventilwerke Gmbh Gasventil
US6298829B1 (en) * 1999-10-15 2001-10-09 Westport Research Inc. Directly actuated injection valve
DE10235196A1 (de) * 2002-08-01 2004-02-19 Robert Bosch Gmbh Verfahren zum Ansteuern eines elektromagnetisch betätigten Schaltventils sowie eine Anlage mit einem solchen Schaltventil
US7013876B1 (en) * 2005-03-31 2006-03-21 Caterpillar Inc. Fuel injector control system
EP2574764A1 (fr) * 2011-09-30 2013-04-03 Delphi Automotive Systems Luxembourg SA Détermination de la vitesse d'une aiguille d'injecteur d'un injecteur de carburant à solénoïde et procédé de contrôle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11261998B2 (en) * 2017-05-17 2022-03-01 Robert Bosch Gmbh Method for switching over a solenoid valve

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