EP1068435B1 - Kraftstoffversorgungssystem für eine brennkraftmaschine insbesondere eines kraftfahrzeugs - Google Patents
Kraftstoffversorgungssystem für eine brennkraftmaschine insbesondere eines kraftfahrzeugs Download PDFInfo
- Publication number
- EP1068435B1 EP1068435B1 EP00910505A EP00910505A EP1068435B1 EP 1068435 B1 EP1068435 B1 EP 1068435B1 EP 00910505 A EP00910505 A EP 00910505A EP 00910505 A EP00910505 A EP 00910505A EP 1068435 B1 EP1068435 B1 EP 1068435B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- internal combustion
- combustion engine
- pressure
- control valve
- pressure control
- 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.)
- Expired - Lifetime
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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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
- F02D41/062—Introducing corrections for particular operating conditions for engine starting or warming up for starting
-
- 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
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/3809—Common rail control systems
Definitions
- the invention relates to a method for operating a Fuel supply system for an internal combustion engine in particular a motor vehicle in which fuel from a pump is pumped into a pressure accumulator, and in which the pressure in the pressure accumulator by means of a Pressure control valve is controllable and / or adjustable. Furthermore the invention relates to a corresponding program corresponding storage medium and a corresponding one Control device for an internal combustion engine.
- the fuel is injected into the combustion chamber under pressure.
- a pressure accumulator in which the fuel pumped by means of a pump and under high pressure is set. From there the fuel is then over Injectors in the combustion chambers of the internal combustion engine injected.
- the object of the invention is to provide a method for operating of a fuel supply system for an internal combustion engine to create with the best possible start of the Internal combustion engine is feasible.
- Closing the pressure control valve turns on Defined state of the internal combustion engine for the impending startup process. It will also achieved that the pressure in the pressure accumulator no longer continues to fall.
- the pressure control valve turns on by turning on the ignition closed, and is switched on by this ignition also the pump for feeding fuel into the pressure accumulator switched on, this means that the pressure in the The pressure accumulator depends on the delivery rate of the pump and possibly increases accordingly. This is for that intended starting of the internal combustion engine in particular advantageous.
- the specified speed limit is exceeded simple way of transitioning control and / or regulation the internal combustion engine from the starting process in the Normal operation reached.
- Pressure control valve at least partially opened when the Internal combustion engine is started and the first There are rotational movements. So it is possible to print in the pressure accumulator with the help of the pressure control valve control and / or regulate.
- the pressure control valve depending on the number of injections already carried out in the internal combustion engine open.
- the internal combustion engine can thus be operated in a simple manner be adapted to the course of the starting process.
- control element that for a control unit of an internal combustion engine, in particular of a motor vehicle is provided. It is on the Control stored a program on a Computing device, in particular on a microprocessor, executable and for executing the invention Process is suitable.
- a control element an electrical storage medium is used, for example a read-only memory.
- Fuel supply system 1 shows a fuel supply system 1 shown for use in an internal combustion engine a motor vehicle is provided.
- Fuel supply system 1 is a so-called common rail system, which is particularly in one Internal combustion engine with gasoline direct injection Application comes.
- the fuel supply system 1 has a pressure accumulator 2 on, with a pressure sensor 3 and a Pressure control valve (DSV) 4 is provided.
- the accumulator 2 is via a pressure line 5 with a high pressure pump 6 connected.
- the high pressure pump 6 is with the Internal combustion engine coupled and generates a high pressure with the internal combustion engine rotating.
- the high pressure pump 6 is to the pressure control valve 4 via a pressure line 8 connected.
- Via a pressure line 9 and a filter is the pressure control valve 4 and thus the High-pressure pump 6 with an electric fuel pump 10 connected, which is suitable for fuel from a Suction fuel tank 11.
- the electrical Fuel pump 10 generates pressure as soon as one There is tension on it. This is at least for a short time Case when the ignition of the motor vehicle is turned on is.
- the fuel supply system 1 has four Injectors 13 on the pressure lines 14 with the Pressure accumulator 2 are connected.
- the injectors 13 are suitable for fuel in appropriate combustion chambers to inject the internal combustion engine.
- the pressure sensor 3 is connected by means of a signal line 15 connected to a control unit 16 to which a further A plurality of signal lines other than input lines are connected.
- a signal line 17 Fuel pump 10 and via a signal line 18 is that Pressure control valve 4 connected to the control unit 16.
- Pressure control valve 4 connected to the control unit 16.
- Of the injection valves 13 are also means Signal lines 19 connected to the control unit 16.
- the fuel from the fuel pump 10 to the fuel tank 11 the high pressure pump 6 is pumped.
- a pressure is generated in the pressure accumulator 2 the pressure sensor 3 is measured and by a corresponding actuation of the pressure control valve 4 and / or Control of the fuel pump 10 to a desired value can be controlled and / or regulated.
- About the Injector 13 is then the fuel in the Combustion chambers of the internal combustion engine injected.
- the quantity of fuel to be injected is, among others Pressure in the pressure accumulator 2 is essential.
- This pressure in the pressure accumulator 2 can be from can be controlled and / or regulated by the control unit 16.
- control device 16 Speed of the fuel pump 10 increases, resulting in a increased delivery capacity of the fuel pump 10 leads and has an increased pressure in the pressure accumulator 2.
- the increase in this pressure and thus the increase in Speed or the delivery rate of the fuel pump 10 can also be determined via the pressure sensor 3.
- the binary signals After the time t1, the binary signals have Bst and Bstend following properties.
- the binary signal Bst is only then “1" when the ignition is switched on, the starter Internal combustion engine in a rotary motion, the Internal combustion engine but a predetermined speed limit NG has not yet exceeded.
- the binary signal is Bstend then "1" when the starting of the internal combustion engine ends is, the internal combustion engine the predetermined speed limit NG has exceeded.
- the two binary signals Bst and Based on two inverters 22, 23 inverted and an AND gate 24 fed.
- the AND gate 24 becomes a binary one "1" generates the switch 20 in that state transferred, which is not shown in Figure 2.
- the starter moves the Internal combustion engine in a rotary motion. So that will be Binary signal Bst to "1".
- the speed N is also the Internal combustion engine not equal to zero and increases. As soon as the Internal combustion engine due to the injections carried out of fuel into their own combustion chambers Force executes a rotary movement, the speed N der increases Internal combustion engine continues. The internal combustion engine is started.
- the map 25 is dependent on the temperature TM Internal combustion engine and the number of ATI injections, which at the present start of the Internal combustion engine have already been run. It is possible that the map 25 alternatively and / or additionally also from other operating variables of the internal combustion engine is dependent.
- the clock ratio generated by the map V mostly controls the pressure control valve 4 open, at least not in a closed state. Intermediate states are also possible.
- Pressure control valve 4 Before time t1, i.e. before switching on the ignition and before starting the starter, it can Pressure control valve 4 opened in any state or be closed.
- the pressure control valve 4 At time t2, i.e. with the ignition switched on and itself rotating starter, the pressure control valve 4 at least partially open. This condition is up to date Maintain t3, that is, until the start of the Internal combustion engine ended and the speed limit NG is reached. Due to the generated by the starter low speed comes with the internal combustion engine coupled high-pressure pump 6 not yet effective. The Pressure in the pressure accumulator 2 is therefore during this period largely dependent on the electric fuel pump 10th
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Fuel-Injection Apparatus (AREA)
Description
Gemäß der DE-A- 3 304 605 wird ein Kraftstoff- Druckspeicher von dem Anlossen aufgeladen.
- Figur 1
- zeigt eine schematische Darstellung eines Ausführungsbeispiels eines erfindungsgemäßen Kraftstoffversorgungssystems,
- Figur 2
- zeigt ein schematisches Blockschaltbild eines Ausführungsbeispiels eines erfindungsgemäßen Verfahrens zum Betreiben des Kraftstoffversorgungssystems der Figur 1, und
- Figur 3
- zeigt ein schematisches Zeitdiagramm zu dem Verfahren nach der Figur 2.
Claims (7)
- Verfahren zum Betreiben eines Kraftstoffversorgungssystems (1) für eine Brennkraftmaschine insbesondere eines Kraftfahrzeugs, bei dem Kraftstoff von einer Pumpe (6, 10) in einen Druckspeicher (2) gepumpt wird, und bei dem der Druck in dem Druckspeicher (2) mittels eines Drucksteuerventils (4) steuer- und/oder regelbar ist, wobei das Drucksteuerventil (4) geschlossen wird, wenn die Brennkraftmaschine gestartet werden soll, aber noch keine Drehbewegung vorhanden ist,
dadurch gekennzeichnet, dass das Drucksteuerventil (4) entsprechend einem Normalbetrieb gesteuert und/oder geregelt wird, wenn eine vorgegebene Drehzahlgrenze (NG) überschritten ist. - Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das Drucksteuerventil (4) zumindest teilweise geöffnet wird, wenn die Brennkraftmaschine gestartet wird und die ersten Drehbewegungen ausführt.
- Verfahren nach Anspruch 2, dadurch gekennzeichnet, dass das Drucksteuerventil (4) in Abhängigkeit von der Temperatur (TM) der Brennkraftmaschine geöffnet wird.
- Verfahren nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass das Drucksteuerventil (4) in Abhängigkeit von der Anzahl (ATI) der bereits ausgeführten Einspritzungen in die Brennkraftmaschine geöffnet wird.
- Programm, dadurch gekennzeichnet, dass es zur Anwendung in einem Verfahren nach einem der Ansprüche 1 bis 4 programmiert ist.
- Elektrisches Speichermedium für ein Steuergerät (16) einer Brennkraftmaschine, dadurch gekennzeichnet, dass auf ihm ein Programm zur Anwendung in einem Verfahren nach einem der Ansprüche 1 bis 4 abgespeichert ist.
- Steuergerät (16) für eine Brennkraftmaschine, dadurch gekennzeichnet, dass es zur Anwendung in einem Verfahren nach einem der Ansprüche 1 bis 4 hergerichtet ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19903273 | 1999-01-28 | ||
DE19903273A DE19903273A1 (de) | 1999-01-28 | 1999-01-28 | Kraftstoffversorgungssystem für eine Brennkraftmaschine insbesondere eines Kraftfahrzeugs |
PCT/DE2000/000230 WO2000045037A1 (de) | 1999-01-28 | 2000-01-27 | Kraftstoffversorgungssystem für eine brennkraftmaschine insbesondere eines kraftfahrzeugs |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1068435A1 EP1068435A1 (de) | 2001-01-17 |
EP1068435B1 true EP1068435B1 (de) | 2004-12-22 |
Family
ID=7895599
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00910505A Expired - Lifetime EP1068435B1 (de) | 1999-01-28 | 2000-01-27 | Kraftstoffversorgungssystem für eine brennkraftmaschine insbesondere eines kraftfahrzeugs |
Country Status (6)
Country | Link |
---|---|
US (1) | US6408822B1 (de) |
EP (1) | EP1068435B1 (de) |
JP (1) | JP2002535557A (de) |
DE (2) | DE19903273A1 (de) |
ES (1) | ES2233342T3 (de) |
WO (1) | WO2000045037A1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10151513A1 (de) * | 2001-10-18 | 2003-05-22 | Bosch Gmbh Robert | Verfahren, Computerprogramm, Steuer- und Regelgerät zum Betreiben einer Brennkraftmaschine, sowie Brennkraftmaschine |
JP3893953B2 (ja) * | 2001-11-26 | 2007-03-14 | 株式会社デンソー | 燃料供給・噴射システム |
US7318414B2 (en) * | 2002-05-10 | 2008-01-15 | Tmc Company | Constant-speed multi-pressure fuel injection system for improved dynamic range in internal combustion engine |
DE10301236B4 (de) * | 2003-01-15 | 2017-08-17 | Robert Bosch Gmbh | Verfahren zum Starten einer Brennkraftmaschine, insbesondere einer Brennkraftmaschine mit Direkteinspritzung |
JP4045594B2 (ja) * | 2003-04-08 | 2008-02-13 | 株式会社デンソー | 蓄圧式燃料噴射装置 |
US7093576B2 (en) * | 2004-06-15 | 2006-08-22 | Ford Global Technologies, Llc | System and method to prime an electronic returnless fuel system during an engine start |
US8151767B2 (en) * | 2007-08-08 | 2012-04-10 | Ford Global Technologies, Llc | Fuel control for direct injection fuel system |
US7832375B2 (en) * | 2008-11-06 | 2010-11-16 | Ford Global Technologies, Llc | Addressing fuel pressure uncertainty during startup of a direct injection engine |
US8210156B2 (en) * | 2009-07-01 | 2012-07-03 | Ford Global Technologies, Llc | Fuel system with electrically-controllable mechanical pressure regulator |
US8166943B2 (en) * | 2009-07-31 | 2012-05-01 | Ford Global Technologies, Llc | Fuel system control |
US8776764B2 (en) * | 2011-01-04 | 2014-07-15 | Ford Global Technologies, Llc | Fuel system for a multi-fuel engine |
US9587578B2 (en) | 2013-12-06 | 2017-03-07 | Ford Global Technologies, Llc | Adaptive learning of duty cycle for a high pressure fuel pump |
US9458806B2 (en) | 2014-02-25 | 2016-10-04 | Ford Global Technologies, Llc | Methods for correcting spill valve timing error of a high pressure pump |
US9243598B2 (en) | 2014-02-25 | 2016-01-26 | Ford Global Technologies, Llc | Methods for determining fuel bulk modulus in a high-pressure pump |
US9874185B2 (en) | 2014-05-21 | 2018-01-23 | Ford Global Technologies, Llc | Direct injection pump control for low fuel pumping volumes |
CN114180077B (zh) * | 2021-12-21 | 2024-02-27 | 中国航发沈阳发动机研究所 | 一种航空发动机加速供油规律自适应调整方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3304605A1 (de) * | 1982-02-12 | 1983-08-25 | Steyr Daimler Puch Ag | Kraftstoff-einspritzanlage fuer eine elektrische, ein startschloss umfassende anlasseinrichtung aufweisende kraftfahrzeug-dieselmotoren |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8613465D0 (en) * | 1986-06-04 | 1986-07-09 | Lucas Ind Plc | Fuel pumping apparatus |
DE4136833A1 (de) * | 1991-11-08 | 1993-05-13 | Bayerische Motoren Werke Ag | Anordnung zur kraftstoff-versorgung einer brennkraftmaschine |
US5207203A (en) * | 1992-03-23 | 1993-05-04 | General Motors Corporation | Fuel system |
JPH06129322A (ja) * | 1992-10-15 | 1994-05-10 | Fuji Heavy Ind Ltd | 高圧噴射式エンジンの燃料圧力制御方法 |
DE4321718A1 (de) * | 1993-06-30 | 1995-01-12 | Bosch Gmbh Robert | Kraftstoffeinspritzpumpe für Brennkraftmaschinen |
US5598817A (en) | 1993-09-10 | 1997-02-04 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Fuel feeding system for internal combustion engine |
US5558068A (en) * | 1994-05-31 | 1996-09-24 | Zexel Corporation | Solenoid valve unit for fuel injection apparatus |
JP3939779B2 (ja) * | 1995-05-26 | 2007-07-04 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 内燃機関の燃料供給のための燃料供給装置 |
DE19539885A1 (de) * | 1995-05-26 | 1996-11-28 | Bosch Gmbh Robert | Kraftstoffversorgungsanlage und Verfahren zum Betreiben einer Brennkraftmaschine |
JP3594144B2 (ja) * | 1995-08-30 | 2004-11-24 | 株式会社デンソー | 燃料供給装置 |
US5605133A (en) * | 1995-11-20 | 1997-02-25 | Walbro Corporation | Fuel rail pressure control |
DE19712143C2 (de) * | 1997-03-22 | 2002-03-28 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Steuerung einer Brennkraftmaschine |
FR2763100B1 (fr) | 1997-05-09 | 1999-07-23 | Magneti Marelli France | By-pass de delestage pour pompe a injection directe a haute pression |
JP3633388B2 (ja) * | 1999-08-04 | 2005-03-30 | トヨタ自動車株式会社 | 内燃機関の高圧燃料ポンプ制御装置 |
-
1999
- 1999-01-28 DE DE19903273A patent/DE19903273A1/de not_active Ceased
-
2000
- 2000-01-27 EP EP00910505A patent/EP1068435B1/de not_active Expired - Lifetime
- 2000-01-27 JP JP2000596260A patent/JP2002535557A/ja active Pending
- 2000-01-27 DE DE50008997T patent/DE50008997D1/de not_active Expired - Lifetime
- 2000-01-27 ES ES00910505T patent/ES2233342T3/es not_active Expired - Lifetime
- 2000-01-27 US US09/647,243 patent/US6408822B1/en not_active Expired - Fee Related
- 2000-01-27 WO PCT/DE2000/000230 patent/WO2000045037A1/de active IP Right Grant
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3304605A1 (de) * | 1982-02-12 | 1983-08-25 | Steyr Daimler Puch Ag | Kraftstoff-einspritzanlage fuer eine elektrische, ein startschloss umfassende anlasseinrichtung aufweisende kraftfahrzeug-dieselmotoren |
Also Published As
Publication number | Publication date |
---|---|
WO2000045037A1 (de) | 2000-08-03 |
DE19903273A1 (de) | 2000-08-10 |
JP2002535557A (ja) | 2002-10-22 |
EP1068435A1 (de) | 2001-01-17 |
DE50008997D1 (de) | 2005-01-27 |
ES2233342T3 (es) | 2005-06-16 |
US6408822B1 (en) | 2002-06-25 |
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