DE10319397A1 - Monitoring fuel system for internal combustion engine with several fuel delivery units involves functional monitoring of fuel delivery units only in regions in which only one unit is operating - Google Patents
Monitoring fuel system for internal combustion engine with several fuel delivery units involves functional monitoring of fuel delivery units only in regions in which only one unit is operating Download PDFInfo
- Publication number
- DE10319397A1 DE10319397A1 DE2003119397 DE10319397A DE10319397A1 DE 10319397 A1 DE10319397 A1 DE 10319397A1 DE 2003119397 DE2003119397 DE 2003119397 DE 10319397 A DE10319397 A DE 10319397A DE 10319397 A1 DE10319397 A1 DE 10319397A1
- Authority
- DE
- Germany
- Prior art keywords
- fuel delivery
- delivery units
- monitoring
- fuel
- lambda
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D33/00—Controlling delivery of fuel or combustion-air, not otherwise provided for
- F02D33/003—Controlling the feeding of liquid fuel from storage containers to carburettors or fuel-injection apparatus ; Failure or leakage prevention; Diagnosis or detection of failure; Arrangement of sensors in the fuel system; Electric wiring; Electrostatic discharge
-
- 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
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D41/221—Safety or indicating devices for abnormal conditions relating to the failure of actuators or electrically driven elements
-
- 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
- F02D41/32—Controlling fuel injection of the low pressure type
-
- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
-
- 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
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
- F02M37/18—Feeding by means of driven pumps characterised by provision of main and auxiliary 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
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D2041/224—Diagnosis of the fuel system
-
- 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
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
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)
Abstract
Description
Die
vorliegende Erfindung betrifft ein Verfahren zur Überwachung
eines Kraftstoffsystems für Brennkraftmaschinen
mit mehreren Kraftstofffördereinheiten,
wie es beispielsweise bereits aus der
Das erfindungsgemäße Verfahren zur Überwachung eines Kraftstoffsystems mit mehreren Kraftstofffördereinheiten hat gegenüber dem bekannten Stand der Technik den Vorteil, dass aufgrund der gezielten Ansteuerung der einzelnen Kraftstofffördereinheiten durch ein Steuergerät exakte Diagnosebereiche entstehen, die eine Funktionsprüfung der Kraftstofffördereinheiten ohne zusätzlichen Sensor ermöglicht. Bei der Diagnose kann der schon vorhanden Lambdasensor mit dem Ergebnis der Lambdaauswertung genutzt werden.The inventive method for surveillance a fuel system with several fuel delivery units has compared to known prior art the advantage that due to the targeted Control of the individual fuel delivery units by an exact control unit Diagnostic areas arise, which are a functional test of the fuel delivery units without additional Sensor enabled. When diagnosing, the already existing lambda sensor can be used with the result the lambda evaluation.
Die Möglichkeit, die verschiedenen Kraftstofffördersysteme je nach Bedarf einzeln zu- oder abzuschalten, hat den Vorteil, dass ganz gezielt ein Diagnoseverfahren durchgeführt werden kann. Ein weiterer Vorteil ergibt sich aus der Tatsache, dass nicht eine Pumpe als sogenannte Masterpumpe arbeitet, sondern beide Kraftstoffpumpen aufgrund einer Gleichverteilung der Kraftstoffpumpenbetriebszeiten eine insgesamt höhere Lebensdauer des Kraftstofffördersystemes ergeben.The Possibility, the various fuel delivery systems Switching on or off individually as required has the advantage that a diagnostic procedure can be carried out very specifically. Another Advantage arises from the fact that not a pump as so-called master pump works, but both fuel pumps due to an even distribution of fuel pump operating times an overall higher Lifetime of the fuel delivery system result.
Das erfindungsgemäße Verfahren ist anhand der nachfolgenden Figuren näher erläutert.The inventive method is explained in more detail with reference to the following figures.
Es zeigenIt demonstrate
Das
erfindungsgemäße Verfahren
zur Überwachung
eines Kraftstoffsystems mit mehreren Kraftstofffördereinheiten soll im Folgenden
im Zusammenhang mit den
In
Die
Durchführung
des erfindungsgemäßen Verfahrens
der Überwachung
eines Kraftstoffsystems mit mehreren Kraftstofffördereinheiten dahingehend,
ob die Kraftstofffördereinheiten
ordnungsgemäß arbeiten,
wird nur in den Bereichen durchgeführt, in denen jeweils nur eine
Kraftstofffördereinheit aktiviert
ist. In der
Die
Durchführung
des Überwachung
der Funktion der einzelnen Kraftstofffördereinheiten wird nun unter
Zuhilfenahme der
Nach
dem Start des Verfahrens im Programmschritt
Bei dem erfindungsgemäßen Verfahren wird somit ein Abfall der Förderleistung bei der Kraftstofffördereinheit im Motorsteuergerät über die Ausgänge der Lambdaregler bzw. der Lambdaistwerte währen eines Einzelbetriebes einer Kraftstofffördereinheit detektiert.at the inventive method becomes a drop in the output at the fuel delivery unit in the engine control unit via the Outputs of the Lambda controller or the actual lambda values during a single operation a fuel delivery unit detected.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2003119397 DE10319397B4 (en) | 2003-04-30 | 2003-04-30 | Method for monitoring a fuel system for internal combustion engines with multiple fuel delivery units |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2003119397 DE10319397B4 (en) | 2003-04-30 | 2003-04-30 | Method for monitoring a fuel system for internal combustion engines with multiple fuel delivery units |
Publications (2)
Publication Number | Publication Date |
---|---|
DE10319397A1 true DE10319397A1 (en) | 2004-12-02 |
DE10319397B4 DE10319397B4 (en) | 2006-06-29 |
Family
ID=33394005
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2003119397 Expired - Fee Related DE10319397B4 (en) | 2003-04-30 | 2003-04-30 | Method for monitoring a fuel system for internal combustion engines with multiple fuel delivery units |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE10319397B4 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007097226A1 (en) * | 2006-02-21 | 2007-08-30 | Aisan Kogyo Kabushiki Kaisha | Fault diagnosis system in load driving arrangement and fuel pump control system |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10030247A1 (en) * | 2000-06-20 | 2002-01-03 | Bosch Gmbh Robert | Method for recognizing the pump function in vehicles with at least two electric fuel pumps |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10010857A1 (en) * | 2000-03-06 | 2001-09-27 | Bosch Gmbh Robert | Fuel feed fault detection method for motor vehicle engine, compares current flows in pumps and compares them to produce correction signal |
-
2003
- 2003-04-30 DE DE2003119397 patent/DE10319397B4/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10030247A1 (en) * | 2000-06-20 | 2002-01-03 | Bosch Gmbh Robert | Method for recognizing the pump function in vehicles with at least two electric fuel pumps |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007097226A1 (en) * | 2006-02-21 | 2007-08-30 | Aisan Kogyo Kabushiki Kaisha | Fault diagnosis system in load driving arrangement and fuel pump control system |
US8195355B2 (en) | 2006-02-21 | 2012-06-05 | Aisan Kogyo Kabushiki Kaisha | Fault diagnosis system in load driving arrangement and fuel pump control system |
Also Published As
Publication number | Publication date |
---|---|
DE10319397B4 (en) | 2006-06-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: DR. ING. H.C. F. PORSCHE AKTIENGESELLSCHAFT, 7, DE |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: DR. ING. H.C. F. PORSCHE AKTIENGESELLSCHAFT, 7, DE |
|
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |
Effective date: 20111101 |