DE102017113520A1 - Valve device for injection system - Google Patents
Valve device for injection system Download PDFInfo
- Publication number
- DE102017113520A1 DE102017113520A1 DE102017113520.0A DE102017113520A DE102017113520A1 DE 102017113520 A1 DE102017113520 A1 DE 102017113520A1 DE 102017113520 A DE102017113520 A DE 102017113520A DE 102017113520 A1 DE102017113520 A1 DE 102017113520A1
- Authority
- DE
- Germany
- Prior art keywords
- valve
- lubricating oil
- line
- valve device
- pressure line
- 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.)
- Pending
Links
- 238000002347 injection Methods 0.000 title claims abstract description 7
- 239000007924 injection Substances 0.000 title claims abstract description 7
- 239000010687 lubricating oil Substances 0.000 claims abstract description 47
- 239000000446 fuel Substances 0.000 claims abstract description 20
- 239000000295 fuel oil Substances 0.000 claims abstract description 8
- 238000007599 discharging Methods 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- BUHVIAUBTBOHAG-FOYDDCNASA-N (2r,3r,4s,5r)-2-[6-[[2-(3,5-dimethoxyphenyl)-2-(2-methylphenyl)ethyl]amino]purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol Chemical compound COC1=CC(OC)=CC(C(CNC=2C=3N=CN(C=3N=CN=2)[C@H]2[C@@H]([C@H](O)[C@@H](CO)O2)O)C=2C(=CC=CC=2)C)=C1 BUHVIAUBTBOHAG-FOYDDCNASA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
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
- 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
- F02M59/20—Varying fuel delivery in quantity or timing
- F02M59/36—Varying fuel delivery in quantity or timing by variably-timed valves controlling fuel passages to pumping elements or overflow passages
- F02M59/366—Valves being actuated electrically
- F02M59/367—Pump inlet valves of the check valve type being open when actuated
-
- 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
- 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
- F02M63/0047—Four-way valves or valves with more than four ways
Abstract
Die Erfindung betrifft Ventilvorrichtung für ein Einspritzsystem. Die erfindungsgemäße Ventilvorrichtung umfasst ein Ventilgehäuse (2), einen im Ventilgehäuse (2) angeordneten Ventilschieber (3), eine Hochdruckleitung (4) für Kraftstoff, eine Schmierölleitung (5) für Schmieröl, und eine erste Leckageableitung (6), wobei die Hochdruckleitung (4) und die Schmierölleitung (5) mit dem Ventilgehäuse (2) verbunden sind, und wobei die erste Leckageableitung (6) im Bereich des Ventilgehäuses (2) und des Ventilschiebers (3) zwischen der Hochdruckleitung (4) und der Schmierölleitung (5) ausgebildet ist zwecks Ableitung von aus der Hochdruckleitung (4) und der Schmierölleitung (5) in einen zwischen Ventilgehäuse (2) und Ventilschieber (3) sich bildenden Leckagespalt (16) gelangenden Kraftstoff und Schmieröl.The invention relates to valve device for an injection system. The valve device according to the invention comprises a valve housing (2), a valve spool (3) arranged in the valve housing (2), a high-pressure line (4) for fuel, a lubricating oil line (5) for lubricating oil, and a first leakage line (6), the high-pressure line ( 4) and the lubricating oil line (5) to the valve housing (2) are connected, and wherein the first leakage discharge (6) in the region of the valve housing (2) and the valve spool (3) between the high-pressure line (4) and the lubricating oil line (5) is formed for the purpose of dissipation of the high pressure line (4) and the lubricating oil pipe (5) in between the valve housing (2) and valve spool (3) forming leakage gap (16) reaching fuel and lubricating oil.
Description
Die Erfindung betrifft eine Ventilvorrichtung für ein Einspritzsystem. The invention relates to a valve device for an injection system.
Aus der
Aus der
Die erfindungsgemäße Ventilvorrichtung umfasst ein Ventilgehäuse, einen im Ventilgehäuse angeordneten Ventilschieber, eine Hochdruckleitung für Kraftstoff, eine Schmierölleitung für Schmieröl, und eine erste Leckageableitung, wobei die Hochdruckleitung und die Schmierölleitung mit dem Ventilgehäuse an getrennten Stellen verbunden sind, und wobei die erste Leckageableitung im Bereich des Ventilgehäuses und des Ventilschiebers zwischen der Hochdruckleitung und der Schmierölleitung ausgebildet ist zwecks Ableitung von aus der Hochdruckleitung und der Schmierölleitung in einen zwischen Ventilgehäuse und Ventilschieber sich bildenden Leckagespalt gelangenden Kraftstoff und Schmieröl. The valve device according to the invention comprises a valve housing, a valve spool arranged in the valve housing, a high-pressure line for fuel, a lubricating oil line for lubricating oil, and a first leakage discharge, wherein the high-pressure line and the lubricating oil line are connected to the valve housing at separate locations, and wherein the first leakage discharge in the the valve housing and the valve slide between the high pressure line and the lubricating oil line is formed for the purpose of discharging from the high pressure line and the lubricating oil line in a leaking between the valve housing and valve spool leakage fuel and lubricating oil.
Die Leckageableitung ermöglicht es, den Kraftstoff von sensiblen Bauteilen fernzuhalten. Damit eignet sich die Ventilvorrichtung für hochviskose Kraftstoffe, wie Schweröl. Aufgrund der für die Verflüssigung notwendigen hohen Temperatur und chemischer Zusammensetzung ist es besonders wichtig, zu verhindern, dass solche Kraftstoffe mit bestimmten Bauteilen, wie beispielsweise für die Schaltung des Ventilschiebers eingesetzte Elektromagneten, in Kontakt kommen. Zudem kann vorteilhafterweise das Schmieröl, das vorzugsweise dem Schmierölkreislauf entnommen wird, nicht nur als physische Sperre, sondern auch durch seine im Vergleich zum Kraftstoff niedrigere Temperatur als Temperatursperre eingesetzt werden. Das Schmieröl kann zudem zur Kühlung des Magneten verwendet werden. The leakage discharge makes it possible to keep the fuel away from sensitive components. Thus, the valve device is suitable for high-viscosity fuels such as heavy oil. Because of the high temperature and chemical composition necessary for liquefaction, it is particularly important to prevent such fuels from contacting certain components, such as solenoids used to connect the valve spool. In addition, advantageously, the lubricating oil, which is preferably taken from the lubricating oil circuit, not only as a physical barrier, but also by its lower temperature compared to the fuel used as a temperature barrier. The lubricating oil can also be used to cool the magnet.
Vorteilhafterweise ist der Druck in der ersten Leckageableitung niedriger als in der Hochdruckleitung und der Schmierölleitung. Damit ist gewährleistet, dass der Kraftstoff definiert abgeleitet wird. Advantageously, the pressure in the first leakage discharge is lower than in the high-pressure line and the lubricating oil line. This ensures that the fuel is discharged in a defined manner.
Die Ventilvorrichtung kann insbesondere Teil einer mechanisch betriebenen Pumpe-Leitung-Düse oder Steckpumpe für einen Verbrennungsmotor sein. The valve device may in particular be part of a mechanically operated pump-line nozzle or plug-in pump for an internal combustion engine.
Ein bevorzugtes Ausführungsbeispiel einer erfindungsgemäßen Ventilvorrichtung wird anhand der folgenden Figur näher erläutert. A preferred embodiment of a valve device according to the invention will be explained in more detail with reference to the following figure.
Die Figur zeigt ein Ausführungsbeispiel einer erfindungsgemäßen Ventilvorrichtung
Die Ventilvorrichtung
Die Ventilvorrichtung
Der Ventilschieber
Um zu gewährleisten, dass der Kraftstoff über die erste Leckageableitung
In diesem Ausführungsbeispiel sind die erste Leckageableitung
Die Schmierölleitung
In diesem Ausführungsbeispiel ist in einem Block
Das Ventilgehäuse
Des Weiteren umfasst die Ventilvorrichtung
Die Ventilvorrichtung umfasst einen schaltbaren Elektromagneten
Die Ventilvorrichtung
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 19839522 [0002] DE 19839522 [0002]
- DE 19923422 A1 [0003] DE 19923422 A1 [0003]
Claims (8)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016113938.6 | 2016-07-28 | ||
DE102016113938 | 2016-07-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102017113520A1 true DE102017113520A1 (en) | 2017-08-03 |
Family
ID=59327958
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102017113520.0A Pending DE102017113520A1 (en) | 2016-07-28 | 2017-06-20 | Valve device for injection system |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102017113520A1 (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19839522C1 (en) | 1998-08-29 | 1999-12-30 | Daimler Chrysler Ag | Cam driven fuel pump for motor vehicle internal combustion engine |
DE19923422A1 (en) | 1999-05-21 | 2000-11-30 | Bosch Gmbh Robert | Electronic injection system |
-
2017
- 2017-06-20 DE DE102017113520.0A patent/DE102017113520A1/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19839522C1 (en) | 1998-08-29 | 1999-12-30 | Daimler Chrysler Ag | Cam driven fuel pump for motor vehicle internal combustion engine |
DE19923422A1 (en) | 1999-05-21 | 2000-11-30 | Bosch Gmbh Robert | Electronic injection system |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R084 | Declaration of willingness to licence | ||
R230 | Request for early publication |