EP1834080A1 - Kraftstoffeinspritzventil für brennkraftmaschinen - Google Patents
Kraftstoffeinspritzventil für brennkraftmaschinenInfo
- Publication number
- EP1834080A1 EP1834080A1 EP05818956A EP05818956A EP1834080A1 EP 1834080 A1 EP1834080 A1 EP 1834080A1 EP 05818956 A EP05818956 A EP 05818956A EP 05818956 A EP05818956 A EP 05818956A EP 1834080 A1 EP1834080 A1 EP 1834080A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fuel injection
- injection valve
- fuel
- internal combustion
- nubs
- 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
Links
- 238000002347 injection Methods 0.000 title claims abstract description 57
- 239000007924 injection Substances 0.000 title claims abstract description 57
- 239000000446 fuel Substances 0.000 title claims abstract description 32
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 19
- 239000002245 particle Substances 0.000 abstract description 9
- 238000004939 coking Methods 0.000 abstract description 8
- 238000009825 accumulation Methods 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004071 soot Substances 0.000 description 3
- 240000002853 Nelumbo nucifera Species 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 2
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 206010000496 acne Diseases 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004544 sputter deposition Methods 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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
-
- 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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting
-
- 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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
- F02M61/1806—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for characterised by the arrangement of discharge orifices, e.g. orientation or size
- F02M61/1846—Dimensional characteristics of discharge orifices
-
- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/06—Fuel-injection apparatus having means for preventing coking, e.g. of fuel injector discharge orifices or valve needles
-
- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
- F02M2200/8069—Fuel injection apparatus manufacture, repair or assembly involving removal of material from the fuel apparatus, e.g. by punching, hydro-erosion or mechanical operation
-
- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/90—Selection of particular materials
- F02M2200/9038—Coatings
Definitions
- valve seat 8 a plurality of injection openings 15 are formed, which open into the combustion chamber of the internal combustion engine when the fuel injection valve is installed in a corresponding internal combustion engine.
- the valve needle 7 cooperates with its sealing surface 9 with the valve seat 8 in such a way that upon contact of the valve needle 7 on the valve seat 8, the pressure chamber 11 is separated from the injection ports 15, while lifted from the valve seat 8 valve needle 7, a fuel flow from the Pressure chamber 11 to the injection openings 15 instead- - A -
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Fuel-Injection Apparatus (AREA)
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004063165A DE102004063165A1 (de) | 2004-12-29 | 2004-12-29 | Kraftstoffeinspritzventil für Brennkraftmaschinen |
| PCT/EP2005/056530 WO2006072521A1 (de) | 2004-12-29 | 2005-12-06 | Kraftstoffeinspritzventil für brennkraftmaschinen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1834080A1 true EP1834080A1 (de) | 2007-09-19 |
| EP1834080B1 EP1834080B1 (de) | 2010-10-27 |
Family
ID=35717511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP05818956A Expired - Lifetime EP1834080B1 (de) | 2004-12-29 | 2005-12-06 | Kraftstoffeinspritzventil für brennkraftmaschinen |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1834080B1 (de) |
| AT (1) | ATE486212T1 (de) |
| DE (2) | DE102004063165A1 (de) |
| WO (1) | WO2006072521A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020078823A1 (de) * | 2018-10-15 | 2020-04-23 | Vitesco Technologies GmbH | Kraftstoffinjektor sowie verfahren zum herstellen eines düsenkörpers für einen kraftstoffinjektor |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011007876A1 (de) * | 2011-04-21 | 2012-10-25 | Robert Bosch Gmbh | Komponente, insbesondere eines Kraftstoffeinspritzsystems, mit einer Oberfläche |
| DE102012206913A1 (de) * | 2012-04-26 | 2013-10-31 | Robert Bosch Gmbh | Vorrichtung zur Einspritzung von Kraftstoff und Verfahren zur Herstellung einer derartigen Vorrichtung |
| JP6897164B2 (ja) * | 2017-03-03 | 2021-06-30 | 株式会社Ihi | 燃料噴射弁 |
| JP2021050742A (ja) * | 2021-01-04 | 2021-04-01 | 株式会社Ihi | 燃料噴射弁 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT214617Z2 (it) * | 1988-06-23 | 1990-05-09 | Weber Srl | Ugello per una valvola di dosatura e di polverizzazione del carburanteper un dispositivo di alimentazione di un motore a combustione interna |
| DE4200709A1 (de) | 1992-01-14 | 1993-07-15 | Bosch Gmbh Robert | Kraftstoffeinspritzduese fuer brennkraftmaschinen |
| CN1144943C (zh) * | 1995-03-29 | 2004-04-07 | 罗伯特·博施有限公司 | 尤其用于喷油嘴的孔板 |
| DE19951014A1 (de) * | 1999-07-02 | 2001-01-04 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
| US6848635B2 (en) * | 2002-01-31 | 2005-02-01 | Visteon Global Technologies, Inc. | Fuel injector nozzle assembly with induced turbulence |
| DE10350548A1 (de) * | 2003-10-29 | 2005-06-02 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
| DE102004020175A1 (de) | 2004-04-24 | 2005-11-17 | Robert Bosch Gmbh | Kraftstoffeinspritzdüse für Diesel-Brennkraftmaschinen |
-
2004
- 2004-12-29 DE DE102004063165A patent/DE102004063165A1/de not_active Withdrawn
-
2005
- 2005-12-06 WO PCT/EP2005/056530 patent/WO2006072521A1/de not_active Ceased
- 2005-12-06 EP EP05818956A patent/EP1834080B1/de not_active Expired - Lifetime
- 2005-12-06 AT AT05818956T patent/ATE486212T1/de not_active IP Right Cessation
- 2005-12-06 DE DE502005010456T patent/DE502005010456D1/de not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2006072521A1 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020078823A1 (de) * | 2018-10-15 | 2020-04-23 | Vitesco Technologies GmbH | Kraftstoffinjektor sowie verfahren zum herstellen eines düsenkörpers für einen kraftstoffinjektor |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1834080B1 (de) | 2010-10-27 |
| DE102004063165A1 (de) | 2006-07-13 |
| WO2006072521A1 (de) | 2006-07-13 |
| ATE486212T1 (de) | 2010-11-15 |
| DE502005010456D1 (de) | 2010-12-09 |
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