EP1688611A3 - Fuel injector with direct needle control for an internal combustion engine - Google Patents
Fuel injector with direct needle control for an internal combustion engine Download PDFInfo
- Publication number
- EP1688611A3 EP1688611A3 EP05112500A EP05112500A EP1688611A3 EP 1688611 A3 EP1688611 A3 EP 1688611A3 EP 05112500 A EP05112500 A EP 05112500A EP 05112500 A EP05112500 A EP 05112500A EP 1688611 A3 EP1688611 A3 EP 1688611A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- combustion engine
- internal combustion
- fuel injector
- needle control
- 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.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 title 1
- 239000000446 fuel Substances 0.000 title 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
- 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
- F02M63/0059—Arrangements of valve actuators
- F02M63/0061—Single actuator acting on two or more valve bodies
-
- 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
- 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
- F02M2200/70—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
- F02M2200/705—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger hydraulic with means for filling or emptying hydraulic chamber, e.g. for compensating clearance or thermal expansion
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005004738A DE102005004738A1 (en) | 2005-02-02 | 2005-02-02 | Fuel injector with direct needle control for an internal combustion engine |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1688611A2 EP1688611A2 (en) | 2006-08-09 |
EP1688611A3 true EP1688611A3 (en) | 2007-01-10 |
EP1688611B1 EP1688611B1 (en) | 2008-07-30 |
Family
ID=36182388
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05112500A Ceased EP1688611B1 (en) | 2005-02-02 | 2005-12-20 | Fuel injector with direct needle control for an internal combustion engine |
Country Status (4)
Country | Link |
---|---|
US (1) | US7419103B2 (en) |
EP (1) | EP1688611B1 (en) |
AT (1) | ATE403082T1 (en) |
DE (2) | DE102005004738A1 (en) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10326259A1 (en) * | 2003-06-11 | 2005-01-05 | Robert Bosch Gmbh | Injector for fuel injection systems of internal combustion engines, in particular direct injection diesel engines |
DE10352736A1 (en) * | 2003-11-12 | 2005-07-07 | Robert Bosch Gmbh | Fuel injector with direct needle injection |
DE102005012929A1 (en) * | 2005-03-21 | 2006-09-28 | Robert Bosch Gmbh | Fuel injector with direct control of the injection valve member and variable ratio |
DE102005016796A1 (en) * | 2005-04-12 | 2006-10-19 | Robert Bosch Gmbh | Two-stage fuel injector |
DE102005025953A1 (en) * | 2005-06-06 | 2006-12-07 | Siemens Ag | Compensator e.g. for injection valve, has pot shaped body with pot base and recess with piston provided at axially extending guide of piston having clearance fit of recess |
DE102005036444A1 (en) * | 2005-08-03 | 2007-02-08 | Robert Bosch Gmbh | injection |
DE102006008648A1 (en) * | 2006-02-24 | 2007-08-30 | Robert Bosch Gmbh | Fuel e.g. diesel or petrol, injecting device for internal combustion engine, has valve unit including control piston and nozzle needle that are coupled with each other by hydraulic coupler, and guiding unit guiding fluid outlet of piston |
US8074625B2 (en) | 2008-01-07 | 2011-12-13 | Mcalister Technologies, Llc | Fuel injector actuator assemblies and associated methods of use and manufacture |
DE102008008847A1 (en) | 2008-02-13 | 2009-08-27 | Robert Bosch Gmbh | Fuel injector with a directly controlled valve needle |
DE102008032133B4 (en) * | 2008-07-08 | 2015-08-20 | Continental Automotive Gmbh | Fuel injector |
DE102009024595A1 (en) | 2009-06-10 | 2011-03-24 | Continental Automotive Gmbh | Injection valve with transmission unit |
DE102009024596A1 (en) | 2009-06-10 | 2011-04-07 | Continental Automotive Gmbh | Injection valve with transmission unit |
DE102012212266B4 (en) * | 2012-07-13 | 2015-01-22 | Continental Automotive Gmbh | fluid injector |
DE102012212264B4 (en) | 2012-07-13 | 2014-02-13 | Continental Automotive Gmbh | Method for producing a solid state actuator |
US9309846B2 (en) | 2012-11-12 | 2016-04-12 | Mcalister Technologies, Llc | Motion modifiers for fuel injection systems |
US20140131466A1 (en) | 2012-11-12 | 2014-05-15 | Advanced Green Innovations, LLC | Hydraulic displacement amplifiers for fuel injectors |
WO2014144807A1 (en) * | 2012-11-12 | 2014-09-18 | Mcalister Technologies, Llc | Systems and methods for providing motion amplification and compensation by fluid displacement |
DE102013219225A1 (en) * | 2013-09-25 | 2015-03-26 | Continental Automotive Gmbh | Piezo injector for direct fuel injection |
DE102014211334B3 (en) * | 2014-06-13 | 2015-08-27 | Continental Automotive Gmbh | Method for characterizing a hydraulic coupling element of a piezo injector |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10326046A1 (en) * | 2003-06-10 | 2004-12-30 | Robert Bosch Gmbh | Injection nozzle for internal combustion engines |
DE10347769B3 (en) * | 2003-10-14 | 2005-01-13 | Siemens Ag | Final control device has 2 pistons in common cylindrical body coupled by hydraulic volume in cylinder so axial deflection of first piston is converted into opposite axial deflection of second piston |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4784102A (en) * | 1984-12-25 | 1988-11-15 | Nippon Soken, Inc. | Fuel injector and fuel injection system |
DE19712921A1 (en) * | 1997-03-27 | 1998-10-01 | Bosch Gmbh Robert | Fuel injector with piezoelectric or magnetostrictive actuator |
GB9925753D0 (en) * | 1999-10-29 | 1999-12-29 | Lucas Industries Ltd | Fuel injector |
ES2280318T3 (en) * | 2000-07-18 | 2007-09-16 | Delphi Technologies, Inc. | FUEL INJECTOR. |
US6766965B2 (en) * | 2001-08-31 | 2004-07-27 | Siemens Automotive Corporation | Twin tube hydraulic compensator for a fuel injector |
-
2005
- 2005-02-02 DE DE102005004738A patent/DE102005004738A1/en not_active Withdrawn
- 2005-12-20 AT AT05112500T patent/ATE403082T1/en not_active IP Right Cessation
- 2005-12-20 EP EP05112500A patent/EP1688611B1/en not_active Ceased
- 2005-12-20 DE DE502005004874T patent/DE502005004874D1/en active Active
-
2006
- 2006-02-01 US US11/344,099 patent/US7419103B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10326046A1 (en) * | 2003-06-10 | 2004-12-30 | Robert Bosch Gmbh | Injection nozzle for internal combustion engines |
DE10347769B3 (en) * | 2003-10-14 | 2005-01-13 | Siemens Ag | Final control device has 2 pistons in common cylindrical body coupled by hydraulic volume in cylinder so axial deflection of first piston is converted into opposite axial deflection of second piston |
Also Published As
Publication number | Publication date |
---|---|
US7419103B2 (en) | 2008-09-02 |
ATE403082T1 (en) | 2008-08-15 |
US20060169802A1 (en) | 2006-08-03 |
DE502005004874D1 (en) | 2008-09-11 |
EP1688611A2 (en) | 2006-08-09 |
DE102005004738A1 (en) | 2006-08-10 |
EP1688611B1 (en) | 2008-07-30 |
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