EP1178205A3 - Fuel supply system for internal combustion engine especially in a motor vehicle - Google Patents

Fuel supply system for internal combustion engine especially in a motor vehicle Download PDF

Info

Publication number
EP1178205A3
EP1178205A3 EP01116806A EP01116806A EP1178205A3 EP 1178205 A3 EP1178205 A3 EP 1178205A3 EP 01116806 A EP01116806 A EP 01116806A EP 01116806 A EP01116806 A EP 01116806A EP 1178205 A3 EP1178205 A3 EP 1178205A3
Authority
EP
European Patent Office
Prior art keywords
pressure
supply system
fuel supply
pressure range
motor vehicle
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
Application number
EP01116806A
Other languages
German (de)
French (fr)
Other versions
EP1178205B1 (en
EP1178205A2 (en
Inventor
Klaus Joos
Jens Wolber
Thomas Frenz
Hansjoerg Bochum
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1178205A2 publication Critical patent/EP1178205A2/en
Publication of EP1178205A3 publication Critical patent/EP1178205A3/en
Application granted granted Critical
Publication of EP1178205B1 publication Critical patent/EP1178205B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/3809—Common rail control systems
    • F02D41/3836—Controlling the fuel pressure
    • F02D41/3845—Controlling the fuel pressure by controlling the flow into the common rail, e.g. the amount of fuel pumped
    • 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
    • F02D41/3082—Control of electrical fuel pumps
    • 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
    • F02D41/3836—Controlling the fuel pressure
    • F02D41/3863—Controlling the fuel pressure by controlling the flow out of the common rail, e.g. using pressure relief valves
    • 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
    • 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
    • F02D2041/389—Controlling fuel injection of the high pressure type for injecting directly into the cylinder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2250/00—Engine control related to specific problems or objectives
    • F02D2250/31—Control of the fuel 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)
  • Combined Controls Of Internal Combustion Engines (AREA)

Abstract

Verfahren zum Betrieb eines Kraftstoffversorgungssystems und Kraftstoffversorgungssystem für eine Brennkraftmaschine insbesondere eines Kraftfahrzeugs, bei dem mit wenigstens einer ersten Pumpe Kraftstoff in einen ersten Druckbereich befördert wird, bei dem mit wenigstens einer zweiten, elektrisch betriebenen Pumpe der Kraftstoff aus dem ersten Druckbereich in einen zweiten Druckbereich mit wenigstens einem Druckspeicher befördert wird, bei dem mit Einspritzventilen der Kraftstoff aus dem zweiten Druckbereich direkt in einen Brennraum eingespritzt wird, bei dem mit einem Drucksensor der Druck im zweiten Druckbereich erfaßt wird, bei dem mit einem Druckregelmittel, das im zweiten Druckbereich angeordnet ist, der Druck im zweiten Druckbereich geregelt wird und bei dem ein Ansteuersignal für die Ansteuerung des Druckregelmittels generiert wird, wobei die zweite Pumpe in Ihrer Drehzahl angesteuert und/oder geregelt wird.

Figure 00000001
Method for operating a fuel supply system and fuel supply system for an internal combustion engine, in particular a motor vehicle, in which fuel is conveyed into a first pressure range with at least one first pump, and with the fuel from the first pressure range into a second pressure range with at least one second, electrically operated pump at least one pressure accumulator is conveyed, in which the fuel is injected directly from the second pressure range into the combustion chamber with injection valves, in which the pressure in the second pressure range is detected with a pressure sensor, in which the pressure control means arranged in the second pressure range Pressure is regulated in the second pressure range and at which a control signal for the control of the pressure control means is generated, the speed of the second pump being controlled and / or regulated.
Figure 00000001
EP20010116806 2000-08-03 2001-07-10 Fuel supply system for internal combustion engine especially in a motor vehicle Expired - Lifetime EP1178205B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10038555 2000-08-03
DE2000138555 DE10038555A1 (en) 2000-08-03 2000-08-03 Fuel supply system for an internal combustion engine, in particular of a motor vehicle

Publications (3)

Publication Number Publication Date
EP1178205A2 EP1178205A2 (en) 2002-02-06
EP1178205A3 true EP1178205A3 (en) 2004-01-02
EP1178205B1 EP1178205B1 (en) 2008-05-14

Family

ID=7651641

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20010116806 Expired - Lifetime EP1178205B1 (en) 2000-08-03 2001-07-10 Fuel supply system for internal combustion engine especially in a motor vehicle

Country Status (4)

Country Link
EP (1) EP1178205B1 (en)
JP (1) JP2002106400A (en)
DE (2) DE10038555A1 (en)
ES (1) ES2304363T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8539934B2 (en) 2008-04-10 2013-09-24 Bosch Corporation Injection abnormality detection method and common rail fuel injection control system
JP5235968B2 (en) * 2010-10-26 2013-07-10 三菱電機株式会社 Fuel supply system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0725212A2 (en) * 1995-02-06 1996-08-07 Zexel Corporation High-pressure fuel injection system
US5626121A (en) * 1994-12-02 1997-05-06 Zexel Corporation Fuel pump for high-pressure fuel injection system
EP0831220A2 (en) * 1996-08-20 1998-03-25 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Combustion control device for internal combustion engine
DE19742993A1 (en) * 1997-09-29 1999-04-01 Siemens Ag Fuel pressure control method e.g. for fuel-injected IC engine fuel distributor of motor vehicle
FR2775319A1 (en) * 1998-02-26 1999-08-27 Sagem Direct injection of fuel to internal combustion engine
DE19853823A1 (en) * 1998-11-21 2000-05-25 Bosch Gmbh Robert Method of operating internal combustion engine, especially for motor vehicle, involves controlling fuel pump delivery rate depending on input parameters via characteristic field
EP1149239A1 (en) * 1999-01-28 2001-10-31 Robert Bosch Gmbh Fuel supply system for an internal combustion engine, especially a motor vehicle

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19739653A1 (en) * 1997-09-10 1999-03-11 Bosch Gmbh Robert Process for producing high-pressure fuel and system for producing high-pressure fuel
JP2000008926A (en) * 1998-06-29 2000-01-11 Hitachi Ltd Fuel control device for cylinder injection engine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5626121A (en) * 1994-12-02 1997-05-06 Zexel Corporation Fuel pump for high-pressure fuel injection system
EP0725212A2 (en) * 1995-02-06 1996-08-07 Zexel Corporation High-pressure fuel injection system
EP0831220A2 (en) * 1996-08-20 1998-03-25 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Combustion control device for internal combustion engine
DE19742993A1 (en) * 1997-09-29 1999-04-01 Siemens Ag Fuel pressure control method e.g. for fuel-injected IC engine fuel distributor of motor vehicle
FR2775319A1 (en) * 1998-02-26 1999-08-27 Sagem Direct injection of fuel to internal combustion engine
DE19853823A1 (en) * 1998-11-21 2000-05-25 Bosch Gmbh Robert Method of operating internal combustion engine, especially for motor vehicle, involves controlling fuel pump delivery rate depending on input parameters via characteristic field
EP1149239A1 (en) * 1999-01-28 2001-10-31 Robert Bosch Gmbh Fuel supply system for an internal combustion engine, especially a motor vehicle

Also Published As

Publication number Publication date
DE10038555A1 (en) 2002-02-21
JP2002106400A (en) 2002-04-10
EP1178205B1 (en) 2008-05-14
DE50113962D1 (en) 2008-06-26
EP1178205A2 (en) 2002-02-06
ES2304363T3 (en) 2008-10-16

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