CN104769269B - 具有压电促动器的燃料喷射器 - Google Patents
具有压电促动器的燃料喷射器 Download PDFInfo
- Publication number
- CN104769269B CN104769269B CN201380056149.5A CN201380056149A CN104769269B CN 104769269 B CN104769269 B CN 104769269B CN 201380056149 A CN201380056149 A CN 201380056149A CN 104769269 B CN104769269 B CN 104769269B
- Authority
- CN
- China
- Prior art keywords
- coupler
- cavity volume
- fuel injector
- nozzle needle
- piston
- 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.)
- Active
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 57
- 230000008878 coupling Effects 0.000 claims abstract description 47
- 238000010168 coupling process Methods 0.000 claims abstract description 47
- 238000005859 coupling reaction Methods 0.000 claims abstract description 47
- 230000033001 locomotion Effects 0.000 claims abstract description 18
- 238000002347 injection Methods 0.000 claims abstract description 15
- 239000007924 injection Substances 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims description 41
- 230000006835 compression Effects 0.000 claims description 31
- 238000007906 compression Methods 0.000 claims description 31
- 238000003825 pressing Methods 0.000 claims description 18
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 6
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 230000010358 mechanical oscillation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009467 reduction Effects 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
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/0603—Injectors peculiar thereto with means directly operating the valve needle using piezoelectric or magnetostrictive 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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
- F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve type
-
- 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
- F02M2200/21—Fuel-injection apparatus with piezoelectric or magnetostrictive elements
-
- 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
- F02M2200/70—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger
- F02M2200/701—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger mechanical
-
- 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
- F02M2200/70—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger
- F02M2200/703—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger hydraulic
- F02M2200/704—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger hydraulic with actuator and actuated element moving in different directions, e.g. in opposite directions
-
- 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
- F02M2200/70—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger
- F02M2200/703—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger hydraulic
- F02M2200/708—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger hydraulic with hydraulic chambers formed by a movable sleeve
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012219867.9 | 2012-10-30 | ||
| DE102012219867.9A DE102012219867A1 (de) | 2012-10-30 | 2012-10-30 | Kraftstoffinjektor mit Piezoaktor |
| PCT/EP2013/070073 WO2014067720A1 (de) | 2012-10-30 | 2013-09-26 | Kraftstoffinjektor mit piezoaktor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104769269A CN104769269A (zh) | 2015-07-08 |
| CN104769269B true CN104769269B (zh) | 2018-01-19 |
Family
ID=49274632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380056149.5A Active CN104769269B (zh) | 2012-10-30 | 2013-09-26 | 具有压电促动器的燃料喷射器 |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2914838B1 (de) |
| CN (1) | CN104769269B (de) |
| DE (1) | DE102012219867A1 (de) |
| WO (1) | WO2014067720A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201415539D0 (en) * | 2014-09-03 | 2014-10-15 | Delphi International Operations Luxembourg S.�.R.L. | Fuel injector |
| DE102015219912B3 (de) * | 2015-10-14 | 2017-04-06 | Continental Automotive Gmbh | Piezo-Injektor zur Kraftstoffeinspritzung |
| DE102015224554A1 (de) | 2015-12-08 | 2017-06-08 | Robert Bosch Gmbh | Dosiervorrichtung für ein elektrisch isolierendes Medium |
| CN106870230B (zh) * | 2017-01-06 | 2019-09-24 | 中国第一汽车股份有限公司 | 一种共轨喷油器 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006021491A1 (de) * | 2006-05-09 | 2007-11-15 | Robert Bosch Gmbh | Kraftstoffinjektor mit direkt betätigbarer Düsennadel |
| JP2010019147A (ja) * | 2008-07-09 | 2010-01-28 | Nippon Soken Inc | 燃料噴射弁 |
| DE102009001131A1 (de) | 2008-12-09 | 2010-06-10 | Robert Bosch Gmbh | Kraftstoffinjektor |
| JP5024320B2 (ja) * | 2009-03-25 | 2012-09-12 | 株式会社デンソー | 燃料噴射弁 |
| DE102010040581A1 (de) * | 2010-02-24 | 2011-08-25 | Robert Bosch GmbH, 70469 | Kraftstoffinjektor sowie Verfahren zur Herstellung und/oder Montage einer Düsennadel-Baugruppe |
| DE102010029123A1 (de) * | 2010-05-19 | 2011-11-24 | Robert Bosch Gmbh | Kraftstoffinjektor mit hydraulischer Kopplereinheit |
-
2012
- 2012-10-30 DE DE102012219867.9A patent/DE102012219867A1/de not_active Withdrawn
-
2013
- 2013-09-26 EP EP13770891.3A patent/EP2914838B1/de not_active Not-in-force
- 2013-09-26 CN CN201380056149.5A patent/CN104769269B/zh active Active
- 2013-09-26 WO PCT/EP2013/070073 patent/WO2014067720A1/de active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014067720A1 (de) | 2014-05-08 |
| CN104769269A (zh) | 2015-07-08 |
| DE102012219867A1 (de) | 2014-04-30 |
| EP2914838B1 (de) | 2019-08-28 |
| EP2914838A1 (de) | 2015-09-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |