EP0990789A3 - Method initiating the control of a fuel pump - Google Patents

Method initiating the control of a fuel pump Download PDF

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Publication number
EP0990789A3
EP0990789A3 EP99119317A EP99119317A EP0990789A3 EP 0990789 A3 EP0990789 A3 EP 0990789A3 EP 99119317 A EP99119317 A EP 99119317A EP 99119317 A EP99119317 A EP 99119317A EP 0990789 A3 EP0990789 A3 EP 0990789A3
Authority
EP
European Patent Office
Prior art keywords
control
fuel pump
engine
dependent
electric fuel
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
EP99119317A
Other languages
German (de)
French (fr)
Other versions
EP0990789B1 (en
EP0990789A2 (en
Inventor
Martin Dipl.-Ing. Hartz
Detlev Ing. Straub
Viktor Dipl.-Ing. Kahr
Sven Dipl.-Ing. Waldenmeier
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 EP0990789A2 publication Critical patent/EP0990789A2/en
Publication of EP0990789A3 publication Critical patent/EP0990789A3/en
Application granted granted Critical
Publication of EP0990789B1 publication Critical patent/EP0990789B1/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
    • F02D41/3854—Controlling the fuel pressure by controlling the flow into the common rail, e.g. the amount of fuel pumped with elements in the low pressure part, e.g. low pressure pump
    • 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
    • F02D41/3082—Control of electrical fuel pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P19/00—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition
    • F02P19/02—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition electric, e.g. layout of circuits of apparatus having glowing plugs

Abstract

Es wirden Verfahren zur Ansteuerung einer Elektrokraftstoffpumpe 17 und/oder eines Druckregelventils 18 bei einem Motor beschrieben, bei denen die Ansteuerung noch bei Motorstillstand unmittelbar nach Betätigen des Zündschalters ZÜ erfolgt, wobei die Dauer der Ansteuerung der Elektrokraftstoffpumpe 17 und/oder des Druckregelventils 18 abhängig von einer weiteren Bedingung, beispielsweise der Vorglühzeit tv bei einem Dieselmotor gewählt wird. Im Startfall dauert die Ansteuerzeit so lange, bis die temperaturabhängige Vorglühzeit tv und zusätzlich eine wählbare Zeitspanne tEKP abgelaufen sind. Danach wird die Ansteuerung entweder beendet oder es erfolgt ein Übergang in die normale Ansteuerung für die EKP oder das DRV, wobei die Entscheidung abhängig von erkannten Motor-Drehzahlbedingungen erfolgt.

Figure 00000001
Methods for controlling an electric fuel pump 17 and / or a pressure control valve 18 in an engine are described, in which the control takes place while the engine is still immediately after the ignition switch ZÜ is actuated, the duration of the control of the electric fuel pump 17 and / or the pressure control valve 18 being dependent on a further condition, for example the preheating time tv is selected in a diesel engine. When starting, the activation time lasts until the temperature-dependent preheating time tv and additionally a selectable time period tEKP have expired. Thereafter, the control is either ended or there is a transition to normal control for the EKP or the DRV, the decision being made depending on the detected engine speed conditions.
Figure 00000001
EP19990119317 1998-09-29 1999-09-29 Method initiating the control of a fuel pump Expired - Lifetime EP0990789B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19844537 1998-09-29
DE19844537 1998-09-29

Publications (3)

Publication Number Publication Date
EP0990789A2 EP0990789A2 (en) 2000-04-05
EP0990789A3 true EP0990789A3 (en) 2001-10-04
EP0990789B1 EP0990789B1 (en) 2006-03-22

Family

ID=7882580

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19990119317 Expired - Lifetime EP0990789B1 (en) 1998-09-29 1999-09-29 Method initiating the control of a fuel pump

Country Status (2)

Country Link
EP (1) EP0990789B1 (en)
DE (2) DE19946792A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10061987B4 (en) * 2000-12-13 2005-06-16 Robert Bosch Gmbh Method and device for cooling a fuel injection system
DE10138997B4 (en) * 2001-08-15 2005-10-06 Audi Ag Method and device for the automatic start of a diesel engine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0643219A1 (en) * 1993-09-10 1995-03-15 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Fuel feeding system for internal combustion engine
US5513614A (en) * 1993-10-21 1996-05-07 Robert Bosch Gmbh Method for filling the fuel supply system in an internal combustion engine
DE4443879A1 (en) * 1994-12-09 1996-06-13 Bosch Gmbh Robert Device for supplying fuel to an internal combustion engine
EP0779425A2 (en) * 1995-12-14 1997-06-18 Toyota Jidosha Kabushiki Kaisha Fuel injection control method for starting an electronically controlled diesel engine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0643219A1 (en) * 1993-09-10 1995-03-15 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Fuel feeding system for internal combustion engine
US5513614A (en) * 1993-10-21 1996-05-07 Robert Bosch Gmbh Method for filling the fuel supply system in an internal combustion engine
DE4443879A1 (en) * 1994-12-09 1996-06-13 Bosch Gmbh Robert Device for supplying fuel to an internal combustion engine
EP0779425A2 (en) * 1995-12-14 1997-06-18 Toyota Jidosha Kabushiki Kaisha Fuel injection control method for starting an electronically controlled diesel engine

Also Published As

Publication number Publication date
DE19946792A1 (en) 2000-05-04
EP0990789B1 (en) 2006-03-22
DE59913243D1 (en) 2006-05-11
EP0990789A2 (en) 2000-04-05

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