EP1556603A1 - Verfahren zum aufladen eines piezoelektrischen aktors eines einspritzventils und steuergerät - Google Patents
Verfahren zum aufladen eines piezoelektrischen aktors eines einspritzventils und steuergerätInfo
- Publication number
- EP1556603A1 EP1556603A1 EP03757703A EP03757703A EP1556603A1 EP 1556603 A1 EP1556603 A1 EP 1556603A1 EP 03757703 A EP03757703 A EP 03757703A EP 03757703 A EP03757703 A EP 03757703A EP 1556603 A1 EP1556603 A1 EP 1556603A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fuel
- pressure
- time
- charging
- injection
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D41/2096—Output circuits, e.g. for controlling currents in command coils for controlling piezoelectric injectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
- F02D2041/2031—Control of the current by means of delays or monostable multivibrators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
- F02D2041/2051—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit using voltage control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/06—Fuel or fuel supply system parameters
- F02D2200/0602—Fuel pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/06—Fuel or fuel supply system parameters
- F02D2200/0602—Fuel pressure
- F02D2200/0604—Estimation of fuel pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/06—Fuel or fuel supply system parameters
- F02D2200/063—Lift of the valve needle
-
- 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
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
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10249218 | 2002-10-22 | ||
| DE10249218A DE10249218A1 (de) | 2002-10-22 | 2002-10-22 | Verfahren zum Aufladen eines piezoelektrischen Aktors eines Einpritzventils und Steuergerät |
| PCT/DE2003/003346 WO2004038203A1 (de) | 2002-10-22 | 2003-10-09 | Verfahren zum aufladen eines piezoelektrischen aktors eines einspritzventils und steuergerät |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1556603A1 true EP1556603A1 (de) | 2005-07-27 |
| EP1556603B1 EP1556603B1 (de) | 2010-01-06 |
Family
ID=32114822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03757703A Expired - Lifetime EP1556603B1 (de) | 2002-10-22 | 2003-10-09 | Verfahren zum aufladen eines piezoelektrischen aktors eines einspritzventils und steuergerät |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1556603B1 (de) |
| DE (2) | DE10249218A1 (de) |
| WO (1) | WO2004038203A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4363331B2 (ja) * | 2005-01-17 | 2009-11-11 | トヨタ自動車株式会社 | 燃料噴射システム |
| DE102007033469B4 (de) * | 2007-07-18 | 2017-06-14 | Continental Automotive Gmbh | Verfahren und Vorrichtung zur Formung eines elektrischen Steuersignals für einen Einspritzimpuls |
| KR101427968B1 (ko) | 2013-02-06 | 2014-08-08 | 현대자동차 주식회사 | 엔진의 제어방법 |
| DE102024112533B3 (de) | 2024-05-03 | 2024-12-05 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Verfahren zur Steuerung eines Piezo-Einspritzinjektors |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19931238A1 (de) * | 1999-07-07 | 2001-01-18 | Siemens Ag | Verfahren zum Ansteuern eines kapazitiven Stellgliedes eines Kraftstoffeinspritzventils einer Brennkraftmaschine |
| DE19945670B4 (de) * | 1999-09-23 | 2006-01-12 | Siemens Ag | Verfahren zum Ansteuern eines kapazitiven Stellgliedes eines Kraftstoffeinspritzventils einer Brennkraftmaschine |
| EP1138904B1 (de) * | 2000-04-01 | 2005-09-14 | Robert Bosch GmbH | Verfahren und Vorrichtung zum Laden eines piezoelektrischen Elements |
| DE10017367B4 (de) * | 2000-04-07 | 2006-12-28 | Siemens Ag | Verfahren und Vorrichtung zum Ansteuern wenigstens eines kapazitiven Stellgliedes |
| DE10158553A1 (de) * | 2000-11-30 | 2002-06-13 | Denso Corp | Ansteuerschaltung für einen piezoelektrischen Aktuator und Kraftstoffeinspritzsystem |
-
2002
- 2002-10-22 DE DE10249218A patent/DE10249218A1/de not_active Ceased
-
2003
- 2003-10-09 WO PCT/DE2003/003346 patent/WO2004038203A1/de not_active Ceased
- 2003-10-09 EP EP03757703A patent/EP1556603B1/de not_active Expired - Lifetime
- 2003-10-09 DE DE50312322T patent/DE50312322D1/de not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2004038203A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2004038203A1 (de) | 2004-05-06 |
| DE50312322D1 (de) | 2010-02-25 |
| DE10249218A1 (de) | 2004-05-19 |
| EP1556603B1 (de) | 2010-01-06 |
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| 17Q | First examination report despatched |
Effective date: 20051206 |
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| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
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