DE202004011603U1 - Actuator device for a fuel injection system - Google Patents
Actuator device for a fuel injection system Download PDFInfo
- Publication number
- DE202004011603U1 DE202004011603U1 DE200420011603 DE202004011603U DE202004011603U1 DE 202004011603 U1 DE202004011603 U1 DE 202004011603U1 DE 200420011603 DE200420011603 DE 200420011603 DE 202004011603 U DE202004011603 U DE 202004011603U DE 202004011603 U1 DE202004011603 U1 DE 202004011603U1
- Authority
- DE
- Germany
- Prior art keywords
- actuator device
- actuator
- needle
- actuators
- throttle nozzle
- 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.)
- Expired - Lifetime
Links
- 238000002347 injection Methods 0.000 title claims abstract description 23
- 239000007924 injection Substances 0.000 title claims abstract description 23
- 239000000446 fuel Substances 0.000 title claims abstract description 11
- 230000035484 reaction time Effects 0.000 claims abstract description 5
- 230000008602 contraction Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000035939 shock Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- 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
- F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
-
- 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
- F02M63/0019—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means characterised by the arrangement of electromagnets or fixed armatures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
- F02M63/0014—Valves characterised by the valve actuating means
- F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
- F02M63/0026—Valves characterised by the valve actuating means electrical, e.g. using solenoid using piezoelectric or magnetostrictive actuators
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Aktoreinrichtung für ein Kraftstoffeinspritzsystem, dadurch gekennzeichnet, dass zwei oder mehrere koaxial angeordnete Aktoren (1, 2, 3, 4) mit unterschiedlichen Reaktionszeiten getrennt für die Erbringung eines Hubes (9, 10) zur Steuerung einer Drosseldüse (5) eingesetzt werden.actuator device for a Fuel injection system, characterized in that two or more Coaxially arranged actuators (1, 2, 3, 4) with different reaction times separate for the provision of a stroke (9, 10) used to control a throttle nozzle (5) become.
Description
Die Erfindung betrifft eine Aktoreinrichtung für ein Kraftstoffeinspritzsystem.The The invention relates to an actuator device for a fuel injection system.
Es ist bekannt, dass bei großen Selbstzündermotoren die Haupteinzugsspritzung über einen relativ großen Hub und großen Querschnitt erfolgen muss, um überhaupt die nötige Flüssigkeitsmenge in kürzester Zeit einspritzen zu können. Dieser Hub und dieser Querschnitt sind für eine präzise und damit auch schadstoff-, verbrauchs- und lärmoptimale Vor- und Nacheinspritzung meist zu groß.It is known to be great at Diesel engines the main feeder over a relatively large one Hub and big Cross-section needs to be done at all the necessary amount of liquid in no time To be able to inject time. This stroke and this cross section are for a precise and thus pollutant, consumption and noise optimal Pre- and post-injection usually too big.
Es ist daher Aufgabe der vorliegenden Erfindung, eine Aktoreinrichtung zu schaffen, die bei einfachem Aufbau die Kraftstoffeinspritzung optimiert.It is therefore an object of the present invention, an actuator device to provide the fuel injection with a simple construction optimized.
Die Erfindung schafft zur Lösung eine Aktoreinrichtung nach Anspruch 1 und verbessert damit die bestehenden Konstruktionen.The Invention creates a solution an actuator device according to claim 1, thereby improving the existing Constructions.
Die Erfindung im generellen ist dadurch gekennzeichnet, das sie in der Praxis bewährte Elemente derart kombiniert, profiliert und zum Einsatz bringt, dass sie über eine oder mehrere Steuerelektronik/en in die Lage versetzt werden, ein mecha nisch-hydraulisches Steuerelement derart in Bewegung zu bringen, dass es in der Lage ist, eine quanten-, druck- und zeitoptimale Vor-, Nach- und Haupteinspritzung auch bei großen Selbstzündermotoren sicherzustellen.The Invention in general is characterized in that it in the Practice proven Elements combined, profiled and used in such a way that she over one or more control electronics are enabled a mecha nisch-hydraulic control in motion so bring that it is capable of a quantum, pressure and time optimal Pre-, Nach- and main injection to ensure even with large compression ignition engines.
Sie schafft einen Aktor für ein Kraftstoffeinspritzsystem, dadurch gekennzeichnet, dass zwei oder mehrere, koaxial angeordnete Aktoren mit unterschiedlichen Reaktionszeiten getrennt für die Erbringung des Hubes zur Steuerung der Drosseldüse eingesetzt werden können. Hierdurch kann der Hub in Höhe und Zeitdauer auf die Bedürfnisse je der Vor-, Haupt- oder Nacheinspritzung abgestimmt sind und über die Profilierung der koaxial angeordneten Drosseldüse (Nadel und Sitz) jeder Einspritzvorgang weiter für den spezifischen Motor optimiert werden.she creates an actor for a fuel injection system, characterized in that two or several, coaxially arranged actuators with different reaction times separate for the provision of the stroke used to control the throttle nozzle can be. This allows the lift in height and time to the needs depending on the pre, main or post injection are matched and on the Profiling the coaxially arranged throttle nozzle (needle and seat) each injection process on for the specific engine to be optimized.
Vorzugsweise ist die unterschiedliche Reaktionsweise der Aktoren in Zeit und Hub dadurch gegeben, dass unterschiedlich reagierende Aktorenelemente eingesetzt werden (z. B. Elektro-Magnete unterschiedlicher Reaktionszeit, bestrombare Kontraktions- oder Ausdehnungsmaterialien (Piezo), etc.).Preferably is the different reaction of the actuators in time and Hub given by the fact that differently reacting actuator elements used (eg, electro-magnets of different reaction time, energizable contraction or expansion materials (piezo), etc.).
Insbesondere ist die Erfindung vorwiegend, aber nicht nur, auf die Kombination von zwei Aktoren und eine integrierte Drosseldüse anwendbar.Especially the invention is predominantly, but not exclusively, to the combination of two actuators and an integrated throttle nozzle applicable.
Bevorzugt sind die Elemente: Aktoren und Drosseldüse koaxial angeordnet sind und in ihrer lateralen und ihrer axialen Ausgestaltung einen kleinen Platzbedarf erfordern (Kompaktbauweise).Prefers are the elements: actuators and throttle nozzle are arranged coaxially and in their lateral and their axial configuration a small footprint require (compact design).
Ganz besonders bevorzugt übt zumindest ein Aktor eine Zugbewegung ausübt (Ankerplatte oder Kontraktion) und zumindest ein anderer oder gleicher Aktor eine Stoßbewegung aus (Expansion).All particularly preferably exercises at least one actuator exerts a pulling movement (anchor plate or contraction) and at least one other or the same actuator a push movement out (expansion).
Vorteilhaft ist die Düsendrossel abgestimmt auf das Motorverhalten bei Vor-, Haupt- und Nacheinspritzung profiliert.Advantageous is the nozzle throttle matched to the engine behavior during pre, main and post injection profiled.
Die nachfolgenden Ausführungen betreffen einen mehrstufig aufgebauten elektronisch gesteuerten Aktor für ein Kraftstoffeinspritzsystem (Gas-, Diesel-, Schweröl-, Biomasse-, Wassereinspritzung, etc.) und dessen Kombination mit einer Dros seldüse für Selbstzündermotoren. Geschaffen wird eine Art Mehrstufenfaktor mit integrierter Drosseldüse.The following versions relate to a multi-level electronically controlled Actuator for a fuel injection system (gas, diesel, heavy oil, biomass, Water injection, etc.) and its combination with a Dros seldüse for compression ignition engines. This creates a kind of multi-stage factor with integrated throttle nozzle.
Aus Gründen der Funktionsoptimierung (Langlebigkeit und Präzisierung der Funktion) soll über unterschiedliche Hübe und kürzere, genau regulierbare Zeitintervalle für Vor- Nach- und für Haupteinspritzung eingespritzt werden. Dies geschieht durch Einsatz und die optimale Kombination von zwei oder mehreren, elektronisch unterschiedlich angesteuerten Aktoren und durch die Profilierung der Düsendrossel, in einer abgestimmten Kombination aller Funktionselemente in einem mechanisch-hydraulischen Bauelement in koaxialer Bauweise.Out establish the function optimization (longevity and refinement of the function) should have different Strokes and shorter, precisely adjustable time intervals for pre-post and main injection be injected. This is done through use and the optimal Combination of two or more, electronically different controlled actuators and by the profiling of the nozzle throttle, in a coordinated combination of all functional elements in one Mechanical-hydraulic component in coaxial design.
Die Erfindung wird nachfolgend mit Bezug auf die beigefügten Zeichnungen näher erläutert. Es zeigen:The The invention will be described below with reference to the accompanying drawings explained in more detail. Show it:
Eine
Aktoreinrichtung für
ein Krafstoffeinspritzsystem umfasst einen ersten Aktor
Benachbart
zu dem ersten Aktor
Benachbart
zu der Feder
Die
Funktionsweise der Aktoreinrichtung wird auch mit Bezug auf
Im
geschlossenen Zustand liegt die Nadel
Der
erste Aktor
Der
zweite Aktor
Der
erste Aktor
Statt
der zwei Aktoren
In
An
dem Ventilsitz
Mit der Erfindung wird somit eine Aktoreinrichtung geschaffen, die sehr flexibel den Einspritzvorgang steuern kann.With The invention thus provides an actuator device which is very can flexibly control the injection process.
Claims (10)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200420011603 DE202004011603U1 (en) | 2004-07-23 | 2004-07-23 | Actuator device for a fuel injection system |
| EP05101878A EP1619385A1 (en) | 2004-07-23 | 2005-03-10 | Actuator for a fuel injection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200420011603 DE202004011603U1 (en) | 2004-07-23 | 2004-07-23 | Actuator device for a fuel injection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE202004011603U1 true DE202004011603U1 (en) | 2005-05-19 |
Family
ID=34609694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE200420011603 Expired - Lifetime DE202004011603U1 (en) | 2004-07-23 | 2004-07-23 | Actuator device for a fuel injection system |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP1619385A1 (en) |
| DE (1) | DE202004011603U1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1860317A1 (en) * | 2006-05-23 | 2007-11-28 | Keihin Corporation | Fuel Injection Device, Fuel Injection Control Device, and Control Method of Fuel Injection Device |
| WO2008012133A1 (en) * | 2006-07-24 | 2008-01-31 | Robert Bosch Gmbh | Servo valve controlled injector for injecting fuel in cylinder combustion chambers of internal combustion engines; in particular common-rail-injectors |
| EP1887214A3 (en) * | 2006-08-07 | 2009-04-29 | Robert Bosch Gmbh | Injector and corresponding operating method |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2780864C (en) | 2012-06-21 | 2013-09-24 | Westport Power Inc. | Fuel injection valve and method of actuating |
| GB2563838A (en) * | 2017-06-26 | 2019-01-02 | Delphi Int Operations Luxembourg Sarl | Inlet metering valve |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE73207T1 (en) * | 1986-05-22 | 1992-03-15 | Osamu Matsumura | INJECTION DEVICE FOR FUEL. |
| US5645226A (en) * | 1995-02-13 | 1997-07-08 | Siemens Automotive Corporation | Solenoid motion initiator |
| US5593134A (en) * | 1995-02-21 | 1997-01-14 | Applied Power Inc. | Magnetically assisted piezo-electric valve actuator |
| JP3700981B2 (en) * | 1995-08-29 | 2005-09-28 | いすゞ自動車株式会社 | Accumulated fuel injection system |
| US6019091A (en) * | 1998-08-13 | 2000-02-01 | Diesel Technology Company | Control valve |
| GB2341893A (en) * | 1998-09-23 | 2000-03-29 | Lucas Industries Ltd | Two-stage electromagnetically actuated fuel injector for i.c. engines |
| JP2002130072A (en) * | 2000-10-18 | 2002-05-09 | Toyota Motor Corp | Fuel injection device for internal combustion engine |
-
2004
- 2004-07-23 DE DE200420011603 patent/DE202004011603U1/en not_active Expired - Lifetime
-
2005
- 2005-03-10 EP EP05101878A patent/EP1619385A1/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1860317A1 (en) * | 2006-05-23 | 2007-11-28 | Keihin Corporation | Fuel Injection Device, Fuel Injection Control Device, and Control Method of Fuel Injection Device |
| WO2008012133A1 (en) * | 2006-07-24 | 2008-01-31 | Robert Bosch Gmbh | Servo valve controlled injector for injecting fuel in cylinder combustion chambers of internal combustion engines; in particular common-rail-injectors |
| EP1887214A3 (en) * | 2006-08-07 | 2009-04-29 | Robert Bosch Gmbh | Injector and corresponding operating method |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1619385A1 (en) | 2006-01-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R207 | Utility model specification |
Effective date: 20050623 |
|
| R150 | Term of protection extended to 6 years |
Effective date: 20070904 |
|
| R151 | Term of protection extended to 8 years |
Effective date: 20100906 |
|
| R081 | Change of applicant/patentee |
Owner name: EFI HIGHTECH AG, CH Free format text: FORMER OWNER: DUALON INTERNATIONAL S.A., LUXEMBURG/LUXEMBOURG, LU Effective date: 20100910 |
|
| R158 | Lapse of ip right after 8 years |
Effective date: 20130201 |