DE502007005361D1 - Kraftstoffinjektor - Google Patents
KraftstoffinjektorInfo
- Publication number
- DE502007005361D1 DE502007005361D1 DE502007005361T DE502007005361T DE502007005361D1 DE 502007005361 D1 DE502007005361 D1 DE 502007005361D1 DE 502007005361 T DE502007005361 T DE 502007005361T DE 502007005361 T DE502007005361 T DE 502007005361T DE 502007005361 D1 DE502007005361 D1 DE 502007005361D1
- Authority
- DE
- Germany
- Prior art keywords
- fuel
- directional control
- valve piston
- face
- sealing edge
- 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 abstract 6
- 238000002485 combustion reaction Methods 0.000 abstract 3
- 238000002347 injection Methods 0.000 abstract 2
- 239000007924 injection Substances 0.000 abstract 2
- 238000007789 sealing Methods 0.000 abstract 2
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
- F02M57/00—Fuel-injectors combined or associated with other devices
- F02M57/02—Injectors structurally combined with fuel-injection pumps
- F02M57/022—Injectors structurally combined with fuel-injection pumps characterised by the pump drive
- F02M57/025—Injectors structurally combined with fuel-injection pumps characterised by the pump drive hydraulic, e.g. with pressure amplification
-
- 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
- F02M61/167—Means for compensating clearance or thermal expansion
-
- 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
- F02M61/188—Spherical or partly spherical shaped valve member ends
-
- 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
- F02M63/0003—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure
- F02M63/0007—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure using electrically actuated valves
-
- 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
-
- 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
- F02M63/004—Sliding valves, e.g. spool valves, i.e. whereby the closing member has a sliding movement along a seat for opening and closing
-
- 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
- F02M63/0045—Three-way valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
- F01N2560/025—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting O2, e.g. lambda sensors
-
- 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
-
- 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
- F02M2200/9007—Ceramic materials
-
- 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
- F02M2200/9053—Metals
-
- 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
- F02M2547/00—Special features for fuel-injection valves actuated by fluid pressure
- F02M2547/001—Control chambers formed by movable sleeves
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006027330A DE102006027330A1 (de) | 2006-06-13 | 2006-06-13 | Kraftstoffinjektor |
PCT/EP2007/054064 WO2007144226A1 (de) | 2006-06-13 | 2007-04-25 | Kraftstoffinjektor |
Publications (1)
Publication Number | Publication Date |
---|---|
DE502007005361D1 true DE502007005361D1 (de) | 2010-11-25 |
Family
ID=38261661
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102006027330A Withdrawn DE102006027330A1 (de) | 2006-06-13 | 2006-06-13 | Kraftstoffinjektor |
DE502007005361T Active DE502007005361D1 (de) | 2006-06-13 | 2007-04-25 | Kraftstoffinjektor |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102006027330A Withdrawn DE102006027330A1 (de) | 2006-06-13 | 2006-06-13 | Kraftstoffinjektor |
Country Status (7)
Country | Link |
---|---|
US (1) | US7954475B2 (de) |
EP (1) | EP2032835B1 (de) |
JP (1) | JP5021731B2 (de) |
CN (1) | CN101466946B (de) |
AT (1) | ATE484671T1 (de) |
DE (2) | DE102006027330A1 (de) |
WO (1) | WO2007144226A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011079468A1 (de) * | 2011-07-20 | 2013-01-24 | Continental Automotive Gmbh | Piezoinjektor |
DE102012212614A1 (de) * | 2012-07-18 | 2014-01-23 | Continental Automotive Gmbh | Piezoinjektor mit hydraulisch gekoppelter Düsennadelbewegung |
DE102012222509A1 (de) | 2012-12-07 | 2014-06-12 | Continental Automotive Gmbh | Piezoinjektor |
DE102012223934B4 (de) | 2012-12-20 | 2015-10-15 | Continental Automotive Gmbh | Piezoinjektor |
DE102013200935A1 (de) * | 2013-01-22 | 2014-07-24 | Robert Bosch Gmbh | Brennstoffeinspritzanlage mit einer Brennstoff führenden Komponente, einem Brennstoffeinspritzventil und einem Verbindungselement |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4182492A (en) * | 1978-01-16 | 1980-01-08 | Combustion Research & Technology, Inc. | Hydraulically operated pressure amplification system for fuel injectors |
US4462368A (en) * | 1980-07-10 | 1984-07-31 | Diesel Kiki Company, Ltd. | Fuel injection system for internal combustion engine |
JPH0350375A (ja) * | 1989-07-19 | 1991-03-04 | Nippondenso Co Ltd | 蓄圧式燃料噴射弁の安全装置 |
JPH0828407A (ja) * | 1994-07-11 | 1996-01-30 | Unisia Jecs Corp | フューエルインジェクタ |
JPH10227268A (ja) * | 1997-02-12 | 1998-08-25 | Nippon Soken Inc | 蓄圧式燃料噴射装置 |
DE19949528A1 (de) | 1999-10-14 | 2001-04-19 | Bosch Gmbh Robert | Doppelschaltendes Steuerventil für einen Injektor eines Kraftstoffeinspritzsystems für Brennkraftmaschinen mit hydraulischer Verstärkung des Aktors |
JP4048699B2 (ja) | 1999-11-10 | 2008-02-20 | 株式会社デンソー | 燃料噴射弁 |
DE10043625C2 (de) * | 2000-09-05 | 2003-03-27 | Bosch Gmbh Robert | Hydraulisch übersetztes Ventil |
FR2819022B1 (fr) * | 2000-12-28 | 2006-06-02 | Denso Corp | Dispositif de commande hydraulique, systeme et procede de commande d'un dispositif actionneur |
EP1399666B1 (de) * | 2001-05-17 | 2006-08-30 | Robert Bosch Gmbh | Kraftstoffeinspritzeinrichtung |
DE10131619A1 (de) | 2001-06-29 | 2003-01-23 | Bosch Gmbh Robert | Kraftstoffinjektor mit Einspritzverlaufsformung |
DE10162651A1 (de) * | 2001-12-20 | 2003-09-04 | Bosch Gmbh Robert | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine |
DE10207045A1 (de) * | 2002-02-20 | 2003-08-28 | Bosch Gmbh Robert | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine |
DE10211439A1 (de) * | 2002-03-15 | 2003-10-02 | Bosch Gmbh Robert | Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine |
JP3841054B2 (ja) * | 2002-08-08 | 2006-11-01 | 株式会社デンソー | フィルタおよびそれを用いた燃料噴射装置 |
DE10254749A1 (de) | 2002-11-23 | 2004-06-17 | Robert Bosch Gmbh | Kraftstoffeinspritzvorrichtung mit einem 3/3-Wege-Steuerventil zur Einspritzverlaufsformung |
DE10325620A1 (de) | 2003-04-02 | 2004-10-14 | Robert Bosch Gmbh | Servoventilangesteuerter Kraftstoffinjektor mit Druckübersetzer |
JP4148124B2 (ja) * | 2003-12-09 | 2008-09-10 | 株式会社デンソー | 容量負荷素子の駆動装置 |
DE102004015744A1 (de) | 2004-03-31 | 2005-10-13 | Robert Bosch Gmbh | Common-Rail-Injektor |
DE102004035455A1 (de) * | 2004-07-22 | 2006-02-16 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine |
-
2006
- 2006-06-13 DE DE102006027330A patent/DE102006027330A1/de not_active Withdrawn
-
2007
- 2007-04-25 JP JP2009514723A patent/JP5021731B2/ja not_active Expired - Fee Related
- 2007-04-25 AT AT07728519T patent/ATE484671T1/de active
- 2007-04-25 WO PCT/EP2007/054064 patent/WO2007144226A1/de active Application Filing
- 2007-04-25 DE DE502007005361T patent/DE502007005361D1/de active Active
- 2007-04-25 US US12/303,402 patent/US7954475B2/en not_active Expired - Fee Related
- 2007-04-25 CN CN2007800219197A patent/CN101466946B/zh not_active Expired - Fee Related
- 2007-04-25 EP EP07728519A patent/EP2032835B1/de not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
JP2009540204A (ja) | 2009-11-19 |
EP2032835B1 (de) | 2010-10-13 |
ATE484671T1 (de) | 2010-10-15 |
US7954475B2 (en) | 2011-06-07 |
CN101466946A (zh) | 2009-06-24 |
DE102006027330A1 (de) | 2007-12-20 |
EP2032835A1 (de) | 2009-03-11 |
CN101466946B (zh) | 2011-05-25 |
WO2007144226A1 (de) | 2007-12-21 |
US20090266340A1 (en) | 2009-10-29 |
JP5021731B2 (ja) | 2012-09-12 |
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