EP0913575A1 - Procédé de fonctionnement d'un moteur à auto-allumage et à compression d'air et dispositif d'injection de combustible à cet effet - Google Patents
Procédé de fonctionnement d'un moteur à auto-allumage et à compression d'air et dispositif d'injection de combustible à cet effet Download PDFInfo
- Publication number
- EP0913575A1 EP0913575A1 EP98111326A EP98111326A EP0913575A1 EP 0913575 A1 EP0913575 A1 EP 0913575A1 EP 98111326 A EP98111326 A EP 98111326A EP 98111326 A EP98111326 A EP 98111326A EP 0913575 A1 EP0913575 A1 EP 0913575A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fuel
- pressure
- pressure fuel
- control device
- internal combustion
- 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
Images
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
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
-
- 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
- F02D41/12—Introducing corrections for particular operating conditions for deceleration
- F02D41/123—Introducing corrections for particular operating conditions for deceleration the fuel injection being cut-off
-
- 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
- F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
- F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
Definitions
- the invention relates to a method according to the genus Claim 1 from. Such a procedure is used at Subject of DE-A1-195 34 050 applied. There the Fact taken into account that high pressure accumulator leaks can be and the escaping fuel at the leaks can cause high damage. Around the damage should be limited if the leak occurs Appropriate protective measures are proposed there.
- the memory pressure in High-pressure fuel storage can be increased without significant loss of drive power and Reinstate an operation with higher Performance requirement on the internal combustion engine this pressure can be reduced to a lower limit without that a subsequent delivery of high pressure fuel in the Fuel in the high-pressure fuel storage on the part of High pressure fuel pump is required.
- the method is used in a fuel injection system such as it is shown in the figure is executed.
- There is one Fuel tank 1 is provided, from which a Suction line 2 a high pressure fuel pump 3 fuel sucked in and via a pressure line 4 under high pressure in promotes a high-pressure fuel reservoir 6.
- a Pressure control device 10 driven, e.g. such that about an adjustable valve which in a relief line 11 of the high-pressure fuel reservoir 6 is arranged excess fuel is returned to the tank becomes.
- it can also affect the output the high pressure pump 3 can be intervened in which at a Design as a piston pump the effective delivery stroke of this Piston pump is adjusted or by the fuel supply to this high pressure pump from the control device 9 is controlled.
- Control device 9 electrically controlled.
- Control solenoid valves or piezo valves provided according to the requirements, for example from speed and load can be controlled.
- the control device detects thereby operating parameters of the internal combustion engine and the Requirements for this internal combustion engine in relation to the torque to be output. These are, for example Parameter speed, an angular position transmitter, which the Torque request or load requirement of an actuated Control element detects the intake manifold pressure or boost pressure or the measurement result of an air flow meter, which the Air volume supplied to combustion chambers recorded.
- you can other parameters such as cooling water temperature and Air temperature can be recorded and additional input signals according to the phase position of the crankshafts or Camshaft can be entered to exactly start injection and control the injection quantity.
- the fuel high pressure accumulator in this Fuel injection system is on in normal operation Pressure levels kept> 500 bar. For security reasons however, the maximum allowable pressure in the High-pressure fuel storage much higher, for example at 1600 bar. If the internal combustion engine, e.g. a Motor vehicle drives, operated in overrun, so that High-pressure fuel accumulator little or no Fuel quantity removed for injection, if this push operation is defined so that due to Torques acting on the outside of the internal combustion engine in the sense of a speed increase on the injection quantity related speed is exceeded. The special case is given if e.g. one entered via an accelerator pedal Torque request to the default value of idling is withdrawn and the internal combustion engine due to the external forces continue to be above Idle engine speed remains.
- the internal combustion engine e.g. a Motor vehicle drives
- crankshaft of the internal combustion engine serve or from the on-board hassle of the internal combustion engine powered motor 26 of an electrically switchable Coupling 27 is coupled to the high-pressure fuel pump.
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)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19748420 | 1997-11-03 | ||
DE19748420A DE19748420A1 (de) | 1997-11-03 | 1997-11-03 | Verfahren zum Betrieb einer selbstzündenden, luftverdichtenden Brennkraftmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0913575A1 true EP0913575A1 (fr) | 1999-05-06 |
EP0913575B1 EP0913575B1 (fr) | 2006-07-26 |
Family
ID=7847391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98111326A Expired - Lifetime EP0913575B1 (fr) | 1997-11-03 | 1998-06-19 | Procédé de fonctionnement d'un moteur à auto-allumage et à compression d'air |
Country Status (4)
Country | Link |
---|---|
US (1) | US6085728A (fr) |
EP (1) | EP0913575B1 (fr) |
JP (1) | JPH11210534A (fr) |
DE (2) | DE19748420A1 (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0961021B1 (fr) * | 1998-05-29 | 2004-04-14 | Toyota Jidosha Kabushiki Kaisha | Alimentation en carburant pour moteur à combustion interne |
FI107830B (fi) * | 1998-06-08 | 2001-10-15 | Waertsilae Tech Oy Ab | Ohjaus- ja varoventtiilijärjestely polttoaineensyöttöjärjestelmässä |
DE19927804A1 (de) * | 1999-06-18 | 2000-12-28 | Bosch Gmbh Robert | Kraftstoffversorgungsanlage für eine Brennkraftmaschine |
US7610143B1 (en) * | 2008-06-09 | 2009-10-27 | Ford Global Technologies, Llc | Engine autostop and autorestart control |
US8281768B2 (en) * | 2009-03-04 | 2012-10-09 | GM Global Technology Operations LLC | Method and apparatus for controlling fuel rail pressure using fuel pressure sensor error |
US8439016B2 (en) * | 2009-12-15 | 2013-05-14 | GM Global Technology Operations LLC | Liquefied petroleum gas engine assembly with flow control |
DE102011101861A1 (de) * | 2011-05-18 | 2012-11-22 | Audi Ag | Verfahren zum Versorgen einer Brennkraftmaschine mit unter Hochdruck versetztem Kraftstoff |
US10174704B2 (en) * | 2016-10-21 | 2019-01-08 | Ford Global Technologies, Llc | Systems and methods for controlling a fuel pump in start/stop and hybrid electric vehicles |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19520300A1 (de) * | 1995-06-02 | 1996-12-05 | Bosch Gmbh Robert | Einrichtung zur Erkennung eines Lecks in einem Kraftstoffversorgungssystem |
DE19534050A1 (de) * | 1995-09-14 | 1997-03-20 | Bosch Gmbh Robert | Kraftstoffeinspritzsystem für Brennkraftmaschinen |
DE19640826A1 (de) * | 1995-10-03 | 1997-04-10 | Nippon Soken | Speicherkraftstoffeinspritzsystem |
DE19604552A1 (de) * | 1996-02-08 | 1997-08-14 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Steuerung einer Brennkraftmaschine |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4313852B4 (de) * | 1993-04-28 | 2004-11-25 | Robert Bosch Gmbh | Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen |
DE4335171C1 (de) * | 1993-10-15 | 1995-05-04 | Daimler Benz Ag | Kraftstoffeinspritzanlage für eine mehrzylindrige Dieselbrennkraftmaschine |
US5507266A (en) * | 1994-04-11 | 1996-04-16 | Siemens Automotive L.P. | Fuel pressure control using hysteresis pump drive |
US5572974A (en) * | 1995-02-21 | 1996-11-12 | Siemens Automotive Corporation | Combined start bypass and safety pressure relief valve for a fuel system |
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 |
JPH0988755A (ja) * | 1995-09-27 | 1997-03-31 | Denso Corp | 内燃機関の燃料供給装置 |
DE19613184C2 (de) * | 1996-04-02 | 1998-01-22 | Daimler Benz Ag | Verfahren zum Erkennen von Betriebsstörungen in einer Kraftstoffeinspritzanlage |
US5937826A (en) * | 1998-03-02 | 1999-08-17 | Cummins Engine Company, Inc. | Apparatus for controlling a fuel system of an internal combustion engine |
-
1997
- 1997-11-03 DE DE19748420A patent/DE19748420A1/de not_active Withdrawn
-
1998
- 1998-06-19 DE DE59813662T patent/DE59813662D1/de not_active Expired - Fee Related
- 1998-06-19 EP EP98111326A patent/EP0913575B1/fr not_active Expired - Lifetime
- 1998-10-19 US US09/174,422 patent/US6085728A/en not_active Expired - Fee Related
- 1998-11-02 JP JP10312536A patent/JPH11210534A/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19520300A1 (de) * | 1995-06-02 | 1996-12-05 | Bosch Gmbh Robert | Einrichtung zur Erkennung eines Lecks in einem Kraftstoffversorgungssystem |
DE19534050A1 (de) * | 1995-09-14 | 1997-03-20 | Bosch Gmbh Robert | Kraftstoffeinspritzsystem für Brennkraftmaschinen |
DE19640826A1 (de) * | 1995-10-03 | 1997-04-10 | Nippon Soken | Speicherkraftstoffeinspritzsystem |
DE19604552A1 (de) * | 1996-02-08 | 1997-08-14 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Steuerung einer Brennkraftmaschine |
Also Published As
Publication number | Publication date |
---|---|
DE59813662D1 (de) | 2006-09-07 |
JPH11210534A (ja) | 1999-08-03 |
DE19748420A1 (de) | 1999-05-06 |
US6085728A (en) | 2000-07-11 |
EP0913575B1 (fr) | 2006-07-26 |
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