EP2653676B1 - Qualitätskontrollverfahren eines Schmiermittels eines Verbrennungsmotors - Google Patents

Qualitätskontrollverfahren eines Schmiermittels eines Verbrennungsmotors Download PDF

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Publication number
EP2653676B1
EP2653676B1 EP13160973.7A EP13160973A EP2653676B1 EP 2653676 B1 EP2653676 B1 EP 2653676B1 EP 13160973 A EP13160973 A EP 13160973A EP 2653676 B1 EP2653676 B1 EP 2653676B1
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EP
European Patent Office
Prior art keywords
lubricant
motor vehicle
internal combustion
combustion engine
mapping
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.)
Active
Application number
EP13160973.7A
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English (en)
French (fr)
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EP2653676A1 (de
EP2653676B8 (de
Inventor
Michael Fernandez
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.)
PSA Automobiles SA
Original Assignee
Peugeot Citroen Automobiles SA
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/10—Indicating devices; Other safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/10—Indicating devices; Other safety devices
    • F01M2011/14—Indicating devices; Other safety devices for indicating the necessity to change the oil
    • F01M2011/1426—Indicating devices; Other safety devices for indicating the necessity to change the oil by considering distance
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/10—Indicating devices; Other safety devices
    • F01M2011/14—Indicating devices; Other safety devices for indicating the necessity to change the oil
    • F01M2011/1433—Indicating devices; Other safety devices for indicating the necessity to change the oil by considering load
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/10—Indicating devices; Other safety devices
    • F01M2011/14—Indicating devices; Other safety devices for indicating the necessity to change the oil
    • F01M2011/1453—Indicating devices; Other safety devices for indicating the necessity to change the oil by considering oil quantity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/10—Indicating devices; Other safety devices
    • F01M2011/14—Indicating devices; Other safety devices for indicating the necessity to change the oil
    • F01M2011/1466—Indicating devices; Other safety devices for indicating the necessity to change the oil by considering quantity of soot

Definitions

  • the invention relates to the field of indicating devices for a lubrication of an internal combustion engine fitted to a motor vehicle. It relates to a method for controlling a quality of a lubricant of an internal combustion engine. It also relates to a device for implementing such a method.
  • the document FR 2,935,431 (Peugeot Citro ⁇ n Automobiles SA) describes a method of controlling a quality of a lubricant of an internal combustion engine fitted to a motor vehicle.
  • the internal combustion engine is the seat of a combustion of a fuel that moves parts of the internal combustion engine.
  • the internal combustion engine is equipped with a circuit inside which circulates a lubricant which is applied to the parts for their oiling.
  • the lubricant is contained in particular within a reserve equipping the motor vehicle.
  • the combustion process tends to degrade the quality of the lubricant. Indeed, as and when the use of the internal combustion engine, carbonaceous particles and / or fuel tend to pollute the lubricant, which reduces the oiling properties of the latter.
  • the life of the internal combustion engine is particularly related to the quality of the lubricant and more particularly related to a period of time separating two successive lubricant changes.
  • the lubricant quality control method described by the document FR 2,935,431 has a plurality of steps.
  • the document DE 196 54 450 discloses a further method of controlling a quality of a lubricant of an engine.
  • the method comprises a step of determining a first and a second operating zone of the internal combustion engine respectively corresponding to a first high risk of dilution of the fuel in the lubricant and a second high risk of presence of carbon particles in the lubricant.
  • the method comprises a step of selecting a reference distance.
  • the method comprises a step of calculating the reference distance, adjusted in sliding value, of a percentage of distance traveled in the first and / or second zone, such percentage being associated with the first and / or second risk.
  • the method comprises a step of triggering an alert when at least one of the first level and / or the second level of criticality exceeds a threshold specific to the risk considered.
  • the control process described by the document FR 2,935,431 deserves to be improved to take into account a certain number of parameters, and to avoid oversizing of a volume of the reserve, such oversizing inducing multiple disadvantages, including an excessive cost price of the internal combustion engine and the motor vehicle , too much mass of the internal combustion engine and the motor vehicle, excessive space generated by the reserve, a prohibitive cost of production of the internal combustion engine and the motor vehicle, an increased maintenance cost for the customer, in particular in terms of emptying, as well as a loss of time related to a filling of the reserve lubricant.
  • such a method does not take into account a driving mode of the motor vehicle, but such a driving mode influences the quality of the lubricant over time. It is therefore usual to provide a volume of the reserve which is large enough to try to ensure a satisfactory quality of the lubricant, regardless of the driving mode of the motor vehicle.
  • the object of the present invention is to provide a method for controlling a quality of a lubricant of an internal combustion engine fitted to a motor vehicle, the method for optimizing a volume of a lubricant reserve, while operating a satisfactory lubrication of the internal combustion engine, regardless of a running mode of the motor vehicle.
  • a method of the present invention is a method of controlling a quality of a lubricant of an internal combustion engine equipping a motor vehicle.
  • each theoretical rate of a corresponding standard map is a function of at least one of a combustion mode of the internal combustion engine, of an engine of the internal combustion engine and of an engine load. internal combustion.
  • the comparison step comprises a step of calculating a real pollutant rate inside the lubricant.
  • the calculation step takes into account at least one of a running mode, a drain interval, a lubricant consumption and a lubricant volume.
  • a device for implementing such a method is mainly recognizable in that the device comprises characterization means for determining the standard maps and deduction means for determining each optimized distance.
  • the device advantageously comprises comparison means for selecting the adapted standard mapping from the standard maps.
  • the device advantageously comprises warning means which are provided with a maintenance indicator.
  • the device advantageously comprises means for calculating the real rate.
  • the figure 1 is a schematic view of a device equipping a motor vehicle for carrying out the method of the present invention.
  • the figure 2 is a schematic view of a sequence of successive emptying operations according to a distance traveled by the motor vehicle equipped with the device shown in FIG. figure 1 .
  • the figure 3 is a schematic view of the process of the present invention.
  • a motor vehicle is equipped with an internal combustion engine 1 to provide for its movement.
  • the internal combustion engine 1 is in connection with a circuit 2 inside which a lubricant 3, such as an oil or the like, circulates for the lubrication of moving parts of the internal combustion engine 1.
  • the circuit 2 comprises a tank 4 of a volume 5 to contain the lubricant 3.
  • the present invention proposes to discern among users of the motor vehicle, for example those of a first group who have a use of the motor vehicle of the first type and those of a second group who have a use of a second type.
  • a first type of use is for example a so-called severe use of the motor vehicle, during which a driving mode, and / or speeds of the motor vehicle are higher than a defined standard, or excessive.
  • a use of the second type is for example a so-called normal use of the motor vehicle which is homogeneous and in the defined standard, in other words without dispersion of operating parameters.
  • Each type of use is characterized by a map-type Y i (i being equal to 1 to n), visible schematically on the figure 3 .
  • first-type is characterized by a first type-mapping Y 1 while a second-type use is characterized by a second type-mapping Y 2 .
  • Y i corresponds a change in a pollutant level 6 inside the lubricant 3 as a function of a distance traveled by the motor vehicle.
  • the present invention proposes to compare a real rolling map Y r of the motor vehicle with Yi-type maps to indicate to a user a suitable optimized distance Dopt has between two successive oil changes V i , V i + 1 depending on the type of use of the motor vehicle, this in the case where the actual rolling chart Y r requires it. .
  • a service indicator 7 lubricant 3 shows the user the optimized distance D opt adapted to that depends on the type of use of the motor vehicle.
  • the service indicator 7 indicates the optimized distance D opt has adapted that is customized to the type of use of the motor vehicle.
  • the method of the present invention comprises a plurality of successive steps A, B, C, D.
  • the preliminary phase P1 comprises a characterization step A and a deduction step B.
  • the characterization phase A is intended to establish a plurality of standard maps Y i .
  • Each type mapping Y i describes an evolution of a theoretical T thi rate of pollutants 6 included inside the lubricant 3 according to a rolling mode Z i .
  • a first rolling mode Z 1 for example described as severe, a first type mapping Y 1 gives a first theoretical T th1 rate of pollutants 6 included inside the lubricant 3.
  • a second running mode Z 2 for example described as normal, a second type map Y 2 gives a second theoretical rate T th2 pollutants 6 included inside the lubricant 3. It follows that for each running mode Z i the corresponding standard map Y i is available, which gives, as a function of time, the evolution of the corresponding theoretical T thi rate of pollutants 6 inside the lubricant 3.
  • each theoretical T thi rate of the corresponding standard mapping Y i is a function of a combustion mode of the internal combustion engine 1, a speed of the internal combustion engine 1 and a load of the internal combustion engine 1.
  • the deduction phase B is intended to determine a corresponding optimized distance D opti to each of the standard maps Y i .
  • the optimized distance D opti is the distance traveled by the motor vehicle beyond which a drain V i is desired, given the corresponding driving mode Z i .
  • the optimized distance D opti is the distance traveled since the last drain V i and which involves a new drain V i + 1 .
  • the driving phase P 2 comprises a comparison step C and a warning step D.
  • the comparison step C comprises a comparison between a real rolling map Y r and the set of standard maps Y i to deduce a suitable standard map Y a .
  • the comparison step C aims to choose among the standard maps Y i the closest standard map of the actual rolling map Y r to deduce an optimized optimized distance Dopt a corresponding to the adapted standard map.
  • the comparison step C is a step of comparing the actual rolling map Y r with a statistical population established during the characterization step A.
  • the comparison step C comprises a calculation step C 'of a real rate T r of pollutants 6 inside the lubricant 3.
  • the calculation step C' takes into account a real rolling mode Z r , l emptying interval IV, a CO consumption of lubricant 3 and the volume 5 of lubricant 3.
  • the D warning step comprises a display of an alert message to the user of the motor vehicle due to the fact that an actual distance D r is greater than the optimized distance D opt is adapted corresponding to the cartographie- adapted type Y a .
  • a device 100 for implementing such a method comprises characterization means 101 for determining the standard maps Y i and deduction means 102 for determining each optimized distance Dopt i .
  • the means of characterization 101 and the deduction means 102 are preferably means installed in the workshop.
  • the device 100 also comprises comparison means 103 for selecting the adapted standard mapping Y a among the standard maps Y i .
  • the device 100 also comprises warning means 104 which are provided with the maintenance indicator 7.
  • the device 100 finally comprises means 105 for calculating the actual rate T r .
  • the comparison means 103, the warning means 104 and the calculation means 105 are loaded on board a motor vehicle.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

Claims (8)

  1. Kontrollverfahren einer Qualität eines Schmiermittels (3) eines Verbrennungsmotors (1), der ein Kraftfahrzeug ausstattet, dadurch gekennzeichnet, dass das Verfahren Folgendes umfasst:
    - einen Charakterisierungsschritt (A) während einer Vorabphase (P1) einer Vielzahl theoretischer Anteile (Tthi) an Schadstoffen (6), die im Inneren des Schmiermittels (3) enthalten sind, ausgehend von Typkartographien (Yi), die eine Entwicklung des theoretischen Anteils (Tthi) an Schadstoffen (6), die in dem Inneren des Schmiermittels (3) enthalten sind, gemäß einem Fahrmodus (Zi) beschreiben,
    - einen Ableitungsschritt (B) während der Vorabphase (P1) einer optimierten Fahrdistanz (Dopti) des Kraftfahrzeugs für jede Typkartographie (Yi),
    - einen Vergleichsschritt (C) einer realen Fahrkartographie (Yr) während einer Fahrphase (P2) des Kraftfahrzeugs, um daraus die angepasste Typkartographie (Ya) aus den Typkartographien (Yi) auszuwählen, und
    - einen Warnschritt (D), während der Fahrphase (P2) des Kraftfahrzeugs, falls eine reale zurückgelegte Distanz (Dr) eine angepasste optimierte Distanz (Dopta), die der angepassten Typkartographie (Ya) entspricht, überschreitet.
  2. Verfahren nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass der theoretische Anteil (Tthi) einer entsprechenden Typkartographie (Yi) von einem beliebigen eines Verbrennungsmodus des Verbrennungsmotors (1) und/oder von einer Drehzahl des Verbrennungsmotors (1) und/oder einer Last des Verbrennungsmotors (1) abhängt.
  3. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Vergleichsschritt (C) einen Berechnungsschritt (C') eines tatsächlichen Anteils (Tr) an Schadstoffen (6) in dem Inneren des Schmiermittels (3) umfasst.
  4. Verfahren nach Anspruch 3, dadurch gekennzeichnet, dass der Berechnungsschritt (C') einen beliebigen eines Fahrmodus (Zi) und/oder eines Ölwechselintervalls (IV) und/oder eines Verbrauchs (CO) ein Schmiermittel (3) und/oder eines Volumens (5) an Schmiermittel (3) berücksichtigt.
  5. Vorrichtung (100) zum Umsetzen eines Verfahrens nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Vorrichtung (100) Charakterisierungsmittel (101) umfasst, um die Typkartographien (Yi) zu bestimmen, und Ableitungsmittel (102), um jede optimierte Distanz (Dopti) zu bestimmen.
  6. Vorrichtung (100) nach Anspruch 5, dadurch gekennzeichnet, dass die Vorrichtung (100) Vergleichsmittel (103) umfasst, um die angepasste Typkartographie (Ya) aus den Typkartographien (Yi) auszuwählen.
  7. Vorrichtung (100) nach einem der Ansprüche 5 und 6, dadurch gekennzeichnet, dass die Vorrichtung (100) Warnmittel (104) umfasst, die mit einem Wartungsindikator (7) versehen sind.
  8. Vorrichtung nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, dass die Vorrichtung (100) Mittel (105) zum Berechnen des realen Anteils (Tr) umfasst.
EP13160973.7A 2012-04-20 2013-03-26 Qualitätskontrollverfahren eines Schmiermittels eines Verbrennungsmotors Active EP2653676B8 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1253650A FR2989726B1 (fr) 2012-04-20 2012-04-20 Procede de controle d'une qualite d'un lubrifiant d'un moteur a combustion interne

Publications (3)

Publication Number Publication Date
EP2653676A1 EP2653676A1 (de) 2013-10-23
EP2653676B1 true EP2653676B1 (de) 2017-07-26
EP2653676B8 EP2653676B8 (de) 2017-09-06

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FR (1) FR2989726B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3021352A1 (fr) * 2014-05-20 2015-11-27 Peugeot Citroen Automobiles Sa Procede de maintenance d'une huile d'un moteur a combustion interne.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6044490B2 (ja) * 1981-07-29 1985-10-03 日産自動車株式会社 エンジンオイル交換指示装置
JPS61279719A (ja) * 1985-06-05 1986-12-10 Nissan Motor Co Ltd 車両用潤滑油交換時期警告装置
JPH0639894B2 (ja) * 1985-11-12 1994-05-25 日産自動車株式会社 車両用潤滑油交換警告装置
DE3828224A1 (de) * 1988-08-19 1990-02-22 Berend Dipl Ing Kleen Anzeigevorrichtung fuer kraftfahrzeuge
US5382942A (en) * 1993-07-06 1995-01-17 Ford Motor Company Engine oil monitoring system having an in-vehicle display of the current status of the oil
DE19654450A1 (de) * 1996-12-27 1998-07-02 Daimler Benz Ag Verfahren zur Ermittlung von Motorölwartungszeitpunkten für einen Kraftfahrzeugmotor
FR2935431B1 (fr) 2008-08-29 2010-09-17 Peugeot Citroen Automobiles Sa Stategie de controle de la qualite du lubrifiant d'un moteur diesel.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
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Also Published As

Publication number Publication date
FR2989726B1 (fr) 2014-05-02
FR2989726A1 (fr) 2013-10-25
EP2653676A1 (de) 2013-10-23
EP2653676B8 (de) 2017-09-06

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