EP0952333A3 - Einspritzventil für Kraftstoffeinspritzsysteme - Google Patents
Einspritzventil für Kraftstoffeinspritzsysteme Download PDFInfo
- Publication number
- EP0952333A3 EP0952333A3 EP99106924A EP99106924A EP0952333A3 EP 0952333 A3 EP0952333 A3 EP 0952333A3 EP 99106924 A EP99106924 A EP 99106924A EP 99106924 A EP99106924 A EP 99106924A EP 0952333 A3 EP0952333 A3 EP 0952333A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- piezo stack
- valve
- nozzle needle
- fuel
- closing device
- 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
- 239000000446 fuel Substances 0.000 title abstract 3
- 238000002347 injection Methods 0.000 title abstract 3
- 239000007924 injection Substances 0.000 title abstract 3
- 238000006073 displacement reaction 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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/002—Arrangement of leakage or drain conduits in or from injectors
-
- 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
- F02M61/08—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 the valves opening in direction of fuel flow
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19817320A DE19817320C1 (de) | 1998-04-18 | 1998-04-18 | Einspritzventil für Kraftstoffeinspritzsysteme |
DE19817320 | 1998-04-18 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0952333A2 EP0952333A2 (de) | 1999-10-27 |
EP0952333A3 true EP0952333A3 (de) | 2002-02-13 |
EP0952333B1 EP0952333B1 (de) | 2004-06-23 |
Family
ID=7865016
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99106924A Expired - Lifetime EP0952333B1 (de) | 1998-04-18 | 1999-04-08 | Einspritzventil für Kraftstoffeinspritzsysteme |
Country Status (3)
Country | Link |
---|---|
US (1) | US6302333B1 (de) |
EP (1) | EP0952333B1 (de) |
DE (2) | DE19817320C1 (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19953562A1 (de) * | 1999-11-08 | 2001-05-23 | Bosch Gmbh Robert | Kraftstoff-Einspritzdüse |
DE10000575A1 (de) * | 2000-01-10 | 2001-07-19 | Bosch Gmbh Robert | Einspritzdüse |
DE10006319A1 (de) * | 2000-02-12 | 2001-08-16 | Daimler Chrysler Ag | Einspritzventil |
DE60126380T2 (de) | 2000-07-18 | 2007-11-15 | Delphi Technologies, Inc., Troy | Kraftstoffeinspritzventil |
DE10112147A1 (de) * | 2001-03-14 | 2002-09-19 | Bosch Gmbh Robert | Ventil zum Steuern von Flüssigkeiten |
ITBO20010279A1 (it) * | 2001-05-08 | 2002-11-08 | Magneti Marelli Spa | Iniettore di carburante con attuatore piezoelettrico alloggiato in una camera isolata |
DE10133265A1 (de) * | 2001-07-09 | 2003-01-23 | Bosch Gmbh Robert | Brennstoffeinspritzventil |
US6766965B2 (en) * | 2001-08-31 | 2004-07-27 | Siemens Automotive Corporation | Twin tube hydraulic compensator for a fuel injector |
US6792921B2 (en) * | 2001-12-17 | 2004-09-21 | Caterpillar Inc | Electronically-controlled fuel injector |
US6983894B2 (en) | 2002-02-13 | 2006-01-10 | Siemens Vdo Automotive Inc. | Piezo-electrically actuated canister purge valve with a hydraulic amplifier |
EP1391607A1 (de) * | 2002-08-20 | 2004-02-25 | Siemens VDO Automotive S.p.A. | Dosiergerät |
US6811093B2 (en) * | 2002-10-17 | 2004-11-02 | Tecumseh Products Company | Piezoelectric actuated fuel injectors |
DE10310790A1 (de) * | 2003-03-12 | 2004-09-23 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
DE102004027824A1 (de) | 2004-06-08 | 2006-01-05 | Robert Bosch Gmbh | Kraftstoffinjektor mit variabler Aktorübersetzung |
DE102004035280A1 (de) * | 2004-07-21 | 2006-03-16 | Robert Bosch Gmbh | Kraftstoffinjektor mit direkter mehrstufiger Einspritzventilgliedansteuerung |
DE102005008972A1 (de) * | 2005-02-28 | 2006-08-31 | Robert Bosch Gmbh | Einspritzdüse |
US7307371B2 (en) * | 2005-11-18 | 2007-12-11 | Delphi Technologies, Inc. | Actuator with amplified stroke length |
US7628139B2 (en) * | 2006-07-11 | 2009-12-08 | Detroit Diesel Corporation | Fuel injector with dual piezo-electric actuator |
US7658179B2 (en) * | 2008-05-28 | 2010-02-09 | Caterpillar Inc. | Fluid leak limiter |
US7661410B1 (en) | 2008-08-18 | 2010-02-16 | Caterpillar Inc. | Fluid leak limiter |
DE102012212264B4 (de) | 2012-07-13 | 2014-02-13 | Continental Automotive Gmbh | Verfahren zum Herstellen eines Festkörperaktuators |
DE102012212266B4 (de) * | 2012-07-13 | 2015-01-22 | Continental Automotive Gmbh | Fluidinjektor |
DE102014009025B4 (de) | 2014-06-24 | 2016-02-18 | Airbus Ds Gmbh | Biegerahmen zur Velängerung des Stellwegs eines Aktors für ein mechanisch betätigtes Bauteil |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3635016A (en) * | 1967-09-27 | 1972-01-18 | Physics Int Co | Electromechanical actuator having an active element of electroexpansive material |
DE19500706A1 (de) * | 1995-01-12 | 1996-07-18 | Bosch Gmbh Robert | Zumeßventil zur Dosierung von Flüssigkeiten oder Gasen |
DE19519191A1 (de) * | 1995-05-24 | 1996-12-19 | Siemens Ag | Einspritzventil |
EP0816670A1 (de) * | 1996-07-02 | 1998-01-07 | Siemens Automotive Corporation | Piezoelektrisch gesteuertes Einspritzventil mit hydraulischer Vergrösserung des Hubs |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3533085A1 (de) * | 1985-09-17 | 1987-03-26 | Bosch Gmbh Robert | Zumessventil zur dosierung von fluessigkeiten oder gasen |
DE4311627B4 (de) * | 1993-04-08 | 2005-08-25 | Robert Bosch Gmbh | Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen |
DE19701288C2 (de) * | 1997-01-16 | 1999-10-14 | Daimler Benz Ag | Ventil zur dosierten Abgabe von Fluiden |
-
1998
- 1998-04-18 DE DE19817320A patent/DE19817320C1/de not_active Expired - Lifetime
-
1999
- 1999-04-08 DE DE59909783T patent/DE59909783D1/de not_active Expired - Lifetime
- 1999-04-08 EP EP99106924A patent/EP0952333B1/de not_active Expired - Lifetime
- 1999-04-19 US US09/293,767 patent/US6302333B1/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3635016A (en) * | 1967-09-27 | 1972-01-18 | Physics Int Co | Electromechanical actuator having an active element of electroexpansive material |
DE19500706A1 (de) * | 1995-01-12 | 1996-07-18 | Bosch Gmbh Robert | Zumeßventil zur Dosierung von Flüssigkeiten oder Gasen |
DE19519191A1 (de) * | 1995-05-24 | 1996-12-19 | Siemens Ag | Einspritzventil |
EP0816670A1 (de) * | 1996-07-02 | 1998-01-07 | Siemens Automotive Corporation | Piezoelektrisch gesteuertes Einspritzventil mit hydraulischer Vergrösserung des Hubs |
Also Published As
Publication number | Publication date |
---|---|
EP0952333B1 (de) | 2004-06-23 |
DE59909783D1 (de) | 2004-07-29 |
DE19817320C1 (de) | 1999-11-11 |
EP0952333A2 (de) | 1999-10-27 |
US6302333B1 (en) | 2001-10-16 |
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