EP1072780A3 - Control method for a common rail injection system - Google Patents

Control method for a common rail injection system Download PDF

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Publication number
EP1072780A3
EP1072780A3 EP00107645A EP00107645A EP1072780A3 EP 1072780 A3 EP1072780 A3 EP 1072780A3 EP 00107645 A EP00107645 A EP 00107645A EP 00107645 A EP00107645 A EP 00107645A EP 1072780 A3 EP1072780 A3 EP 1072780A3
Authority
EP
European Patent Office
Prior art keywords
case
stationary
load state
rail pressure
injection system
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
EP00107645A
Other languages
German (de)
French (fr)
Other versions
EP1072780A2 (en
EP1072780B1 (en
Inventor
Hermann Grieshaber
Heribert Haerle
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 EP1072780A2 publication Critical patent/EP1072780A2/en
Publication of EP1072780A3 publication Critical patent/EP1072780A3/en
Application granted granted Critical
Publication of EP1072780B1 publication Critical patent/EP1072780B1/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
    • 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
    • F02D41/3827—Common rail control systems for diesel engines
    • 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)
  • Oil, Petroleum & Natural Gas (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

Verfahren zur Steuerung eines Common-Rail-Einspritzsystems für turboladbare Verbrennungsmotoren, insbesondere Dieselmotoren, bei welchem in einem ersten stationären oder quasistationären Lastzustand des Verbrennungsmotors ein Raildruck als Funktion der Einspritzmenge gemäß einer ersten Kennlinie eingestellt wird, wobei in einem zweiten, instationären Lastzustand des Verbrennungsmotors, insbesondere bei instationärer Vollast, der Raildruck als Funktion der Einspritzmenge gemäß einer zweiten Kennlinie eingestellt wird, wobei der Raildruck bei instationärem Lastzustand bezüglich des Raildrucks bei stationärem oder quasistationärem Lastzustand bei gleicher Einspritzmenge jeweils erhöht ist.

Figure 00000001
Method for controlling a common rail injection system for turbocharged internal combustion engines, in particular diesel engines, in which, in a first stationary or quasi-stationary load state of the internal combustion engine, a rail pressure is set as a function of the injection quantity according to a first characteristic curve, in a second, unsteady load state of the internal combustion engine, in particular in the case of unsteady full load, the rail pressure is set as a function of the injection quantity according to a second characteristic curve, the rail pressure being increased in each case in the case of an unsteady load state with respect to the rail pressure in the case of a stationary or quasi-stationary load state with the same injection quantity.
Figure 00000001
EP00107645A 1999-07-24 2000-04-08 Control method for a common rail injection system Expired - Lifetime EP1072780B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19934833 1999-07-24
DE19934833A DE19934833A1 (en) 1999-07-24 1999-07-24 Method for controlling a common rail injection system

Publications (3)

Publication Number Publication Date
EP1072780A2 EP1072780A2 (en) 2001-01-31
EP1072780A3 true EP1072780A3 (en) 2003-05-07
EP1072780B1 EP1072780B1 (en) 2008-02-27

Family

ID=7915964

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00107645A Expired - Lifetime EP1072780B1 (en) 1999-07-24 2000-04-08 Control method for a common rail injection system

Country Status (4)

Country Link
US (1) US6401692B1 (en)
EP (1) EP1072780B1 (en)
JP (1) JP2001055949A (en)
DE (2) DE19934833A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10337916A1 (en) * 2003-08-18 2005-03-17 Vorwerk & Co. Interholding Gmbh Reluctance motor and method for winding a reluctance motor
US7332001B2 (en) * 2003-10-02 2008-02-19 Afton Chemical Corporation Method of enhancing the operation of diesel fuel combustion systems
US8192698B2 (en) * 2006-01-27 2012-06-05 Parker-Hannifin Corporation Sampling probe, gripper and interface for laboratory sample management systems
US7426917B1 (en) * 2007-04-04 2008-09-23 General Electric Company System and method for controlling locomotive smoke emissions and noise during a transient operation
DE102008001992A1 (en) 2007-12-18 2009-06-25 Robert Bosch Gmbh Injection controlling method for diesel engine, involves causing load variation by increasing injection pressure at continuous injecting duration, where ratio of combustion air is smaller than specific value
DE102010003736A1 (en) * 2010-04-08 2011-10-13 Man Diesel & Turbo Se Internal combustion engine and method for controlling the operation of the internal combustion engine
EP2661547A1 (en) * 2011-01-07 2013-11-13 Nissan Motor Co., Ltd Combustion control device and method for diesel engine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995006813A1 (en) * 1993-09-03 1995-03-09 Robert Bosch Gmbh Control system for high-pressure fuel injection system for an internal combustion engine
WO1995023921A1 (en) * 1994-03-01 1995-09-08 Robert Bosch Gmbh Transient injection pressure electronic control system
US5894829A (en) * 1996-11-04 1999-04-20 Daimler-Benz Ag Method for regulating the full-load injection quantity of a diesel internal combustion engine
EP0930426A2 (en) * 1998-01-13 1999-07-21 Siemens Aktiengesellschaft Method for pre-setting the reference pressure for an accumulator fuel injection system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6234742Y2 (en) * 1981-05-09 1987-09-04
US4841936A (en) 1985-06-27 1989-06-27 Toyota Jidosha Kabushiki Kaisha Fuel injection control device of an internal combustion engine
JPH0646011B2 (en) * 1985-09-13 1994-06-15 トヨタ自動車株式会社 Air-fuel ratio controller for internal combustion engine
US5313924A (en) * 1993-03-08 1994-05-24 Chrysler Corporation Fuel injection system and method for a diesel or stratified charge engine
JP2885076B2 (en) * 1994-07-08 1999-04-19 三菱自動車工業株式会社 Accumulator type fuel injection device
DE4446246C2 (en) * 1994-12-23 1999-10-21 Mtu Friedrichshafen Gmbh Process for regulating the load acceptance and acceleration behavior of supercharged internal combustion engines
ES2195054T3 (en) 1996-06-14 2003-12-01 Fiat Ricerche METHOD AND DEVICE FOR CONTROLLING THE INJECTION OF A SUPER-POWERED DIESEL ENGINE IN TRANSITIONAL REGIME.
WO1997049100A1 (en) 1996-06-18 1997-12-24 Abb Power T & D Company Inc. High oleic acid electrical insulation fluids and method of making the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995006813A1 (en) * 1993-09-03 1995-03-09 Robert Bosch Gmbh Control system for high-pressure fuel injection system for an internal combustion engine
WO1995023921A1 (en) * 1994-03-01 1995-09-08 Robert Bosch Gmbh Transient injection pressure electronic control system
US5894829A (en) * 1996-11-04 1999-04-20 Daimler-Benz Ag Method for regulating the full-load injection quantity of a diesel internal combustion engine
EP0930426A2 (en) * 1998-01-13 1999-07-21 Siemens Aktiengesellschaft Method for pre-setting the reference pressure for an accumulator fuel injection system

Also Published As

Publication number Publication date
JP2001055949A (en) 2001-02-27
DE50014989D1 (en) 2008-04-10
DE19934833A1 (en) 2001-01-25
EP1072780A2 (en) 2001-01-31
US6401692B1 (en) 2002-06-11
EP1072780B1 (en) 2008-02-27

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