EP1056936A1 - Verfahren zum freibrennen von zündkerzen im schichtbetrieb - Google Patents
Verfahren zum freibrennen von zündkerzen im schichtbetriebInfo
- Publication number
- EP1056936A1 EP1056936A1 EP99964393A EP99964393A EP1056936A1 EP 1056936 A1 EP1056936 A1 EP 1056936A1 EP 99964393 A EP99964393 A EP 99964393A EP 99964393 A EP99964393 A EP 99964393A EP 1056936 A1 EP1056936 A1 EP 1056936A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spark
- internal combustion
- burning
- combustion engine
- ignited
- 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
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B17/00—Engines characterised by means for effecting stratification of charge in cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/04—Cleaning of, preventing corrosion or erosion in, or preventing unwanted deposits in, combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B17/00—Engines characterised by means for effecting stratification of charge in cylinders
- F02B17/005—Engines characterised by means for effecting stratification of charge in cylinders having direct injection in the combustion chamber
-
- 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
- F02P9/00—Electric spark ignition control, not otherwise provided for
- F02P9/002—Control of spark intensity, intensifying, lengthening, suppression
- F02P9/007—Control of spark intensity, intensifying, lengthening, suppression by supplementary electrical discharge in the pre-ionised electrode interspace of the sparking plug, e.g. plasma jet ignition
Definitions
- the present invention relates to a method for burning spark plugs for an internal combustion engine, in which an injection is carried out in a shift operation.
- the entire combustion chamber is filled homogeneously with a stoichiometric air / fuel mixture, which is ignited by the ignition spark at the time of ignition.
- the problem underlying the present invention generally consists in the fact that soot builds up on the
- Spark plugs inevitably form shunts during operation that worsen sparking.
- this problem is tackled with sliding spark candles, which support the burning of the isolator by sparking.
- the inventive method for burning spark plugs with the features of claim 1 has the advantage over the known approaches that the phase of the gas change and possibly. also the phase of the beginning compression, in which the combustion chamber is filled with a non-ignitable gas content, eg air, for the combustion of soot. bridge and / or soot deposits on the spark plug can be used.
- a non-ignitable gas content eg air
- the idea on which the present invention is based is that during the phase in which the combustion chamber is filled with a non-ignitable gas content, e.g. the intake phase, one or more additional sparks are ignited to burn off a relevant spark plug.
- the additional spark is ignited in the intake phase, and preferably at the end of the intake phase.
- This has the advantage that there is a low pressure in the combustion chamber towards the end of the suction and there is sufficient air filling, which causes little spark plug wear due to the additional spark.
- an AC ignition system is used in the internal combustion engine. This has the advantage that the energy supply time and the duration of the energy supply can be easily controlled since no charging time is required for the coil.
- a measurement of at least one engine parameter is carried out and the time and / or the number and / or the energy supply duration of the additional spark or spark is controlled based on the measurement result. So the free burning can be carried out depending on the engine condition.
- the shunt resistance of the spark plug is measured.
- the free burning can only be carried out when the shunt resistance has become too low.
- no additional spark is ignited if the shunt resistance is above a predetermined value. This increases the life of the candle, because burning it out also causes a certain amount of candle wear.
- gasoline direct injection is used for the internal combustion engine.
- a diesel direct injection is used for the internal combustion engine.
- FIG. 1 shows a flow chart to explain an exemplary embodiment of the method according to the present invention.
- a gasoline direct injection in which an injection is carried out in a shift operation, and an AC ignition system are used for the internal combustion engine.
- the combustion chamber is filled with air during the intake phase, ie with a non-ignitable gas content. This only changes when the gasoline injection is carried out in the compression phase.
- FIG. 1 shows a flow chart to explain the exemplary embodiment of the method according to the present invention.
- This flow chart shows in a very simplified form a subroutine that is executed, for example, in the control unit of the internal combustion engine.
- the shunt resistance R N of all spark plugs is measured continuously during operation. Based on the measurement result, the point in time, the number and the duration of energy supply of the additional spark or spark are controlled according to a scheme which is predetermined and stored in the control unit. In addition to the shunt resistance, such a scheme may include other parameters such as speed, load, age of the spark plugs, etc.
- step S20 determines whether the shunt resistance of a spark plug in question is above a predetermined value R N ⁇ .
- the additional spark for burning the spark plug in question is ignited at the end of the intake phase if and as long as this criterion is not met.
- step S30 or S40 the subroutine is ended.
- any ignition system can also be used to carry out the method according to the invention.
- the additional spark was ignited at the end of the intake phase in the above example, it can in principle be ignited at any other time if the gas content of the combustion chamber cannot be ignited and the ignition system allows ignition, for example at the beginning of the compression phase.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Electrical Control Of Ignition Timing (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19859311 | 1998-12-22 | ||
DE19859311A DE19859311A1 (de) | 1998-12-22 | 1998-12-22 | Verfahren zum Freibrennen von Zündkerzen im Schichtbetrieb |
PCT/DE1999/003874 WO2000037782A1 (de) | 1998-12-22 | 1999-12-03 | Verfahren zum freibrennen von zündkerzen im schichtbetrieb |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1056936A1 true EP1056936A1 (de) | 2000-12-06 |
EP1056936B1 EP1056936B1 (de) | 2003-03-26 |
Family
ID=7892152
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99964393A Expired - Lifetime EP1056936B1 (de) | 1998-12-22 | 1999-12-03 | Verfahren zum freibrennen von zündkerzen im schichtbetrieb |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1056936B1 (de) |
JP (1) | JP2002533604A (de) |
KR (1) | KR20010041047A (de) |
DE (2) | DE19859311A1 (de) |
WO (1) | WO2000037782A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4733670B2 (ja) * | 2007-05-24 | 2011-07-27 | 日本特殊陶業株式会社 | 内燃機関用点火装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5312920Y2 (de) * | 1974-10-08 | 1978-04-07 | ||
SE458141B (sv) * | 1987-08-28 | 1989-02-27 | Saab Scania Ab | Foerfarande och arrangemang foer att foerbaettra startfoermaagan, foeretraedesvis efter ett misslyckat startfoersoek foer en foerbraenningsmotor |
GB2255372A (en) * | 1991-05-01 | 1992-11-04 | Ford Motor Co | I.c.engine spark ignition system |
US5913302A (en) * | 1997-09-19 | 1999-06-22 | Brunswick Corporation | Ignition coil dwell time control system |
-
1998
- 1998-12-22 DE DE19859311A patent/DE19859311A1/de not_active Withdrawn
-
1999
- 1999-12-03 KR KR1020007009082A patent/KR20010041047A/ko not_active Application Discontinuation
- 1999-12-03 JP JP2000589817A patent/JP2002533604A/ja active Pending
- 1999-12-03 DE DE59904729T patent/DE59904729D1/de not_active Expired - Fee Related
- 1999-12-03 WO PCT/DE1999/003874 patent/WO2000037782A1/de not_active Application Discontinuation
- 1999-12-03 EP EP99964393A patent/EP1056936B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO0037782A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2000037782A1 (de) | 2000-06-29 |
JP2002533604A (ja) | 2002-10-08 |
EP1056936B1 (de) | 2003-03-26 |
DE59904729D1 (de) | 2003-04-30 |
DE19859311A1 (de) | 2000-06-29 |
KR20010041047A (ko) | 2001-05-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69721087T2 (de) | Fremdgezündete Brennkraftmaschine mit Direkteinspritzung | |
DE19780908B4 (de) | Steuervorrichtung für einen Fremdzündungsmotor mit innerer Verbrennung und Direkteinspritzung | |
DE69716576T2 (de) | Fremdgezündete Brennkraftmaschine mit mehreren Brennstoffeinspritzungen | |
DE69812771T2 (de) | Selbstzündende Brennkraftmaschine | |
DE19749154C2 (de) | Regeleinrichtung für einen Verbrennungsmotor mit Direktreinspritzung | |
DE69809335T2 (de) | Dieselbrennkraftmaschine | |
EP0785346B1 (de) | Verfahren zum Betrieb eines Verbrennungsmotors | |
DE102007026408B4 (de) | Verfahren zum Wechsel des Betriebsmodus eines Verbrennungsmotors | |
DE19756914A1 (de) | Steuervorrichtung für Direkteinspritzsystem einer Brennkraftmaschine | |
DE69901622T2 (de) | Eine steuermethode für funkenzündungsmaschinen | |
DE3322820C2 (de) | ||
DE102015112009A1 (de) | System und Verfahren zur Steuerung des Betriebs eines Motors | |
DE19645383B4 (de) | Verfahren zum Betrieb einer Otto-Brennkraftmaschine mit innerer Gemischbildung | |
DE2851504A1 (de) | Verfahren zum betreiben einer brennkraftmaschine mit innerer verbrennung und variablem verdichtungsverhaeltnis, sowie brennkraftmaschine zum durchfuehren des verfahrens | |
DE102021209139A1 (de) | Zündsystem für zweistufige zündung und motor mit diesem system | |
DE102007042403A1 (de) | Verfahren zur Bestimmung der Zusammensetzung eines Kraftstoffgemischs | |
DE102006030495A1 (de) | Verfahren zum Betreiben einer sowohl mit Gas als auch Benzin befeuerten Brennkraftmaschine | |
DE102010045689A1 (de) | Verfahren zum Betreiben einer Verbrennungskraftmaschine | |
DE60011260T2 (de) | Verfahren und anlage zum anlassen von brennkraftmaschinen | |
DE102009052224A1 (de) | Verfahren zum Betreiben einer Brennkraftmaschine mit unterschiedlichen Kraftstoffarten bzw. Kraftstoffqualitäten | |
EP1056936B1 (de) | Verfahren zum freibrennen von zündkerzen im schichtbetrieb | |
DE10222769B4 (de) | Verfahren und Vorrichtung zur Steuerung eines Motorstartvorgangs | |
DE102019200408A1 (de) | Verfahren zum Betreiben einer Brennkraftmaschine und Brennkraftmaschine | |
DE10006640B4 (de) | Regeleinrichtung für eine Brennkraftmaschine mit Direkteinspritzung | |
DE10031874A1 (de) | Vorrichtung zur Zündung einer bezindirekteinspritzenden Brennkraftmaschine und entsprechendes Verfahren |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
17P | Request for examination filed |
Effective date: 20001229 |
|
17Q | First examination report despatched |
Effective date: 20020402 |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Designated state(s): DE FR GB IT |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REF | Corresponds to: |
Ref document number: 59904729 Country of ref document: DE Date of ref document: 20030430 Kind code of ref document: P |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: GERMAN |
|
GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) | ||
ET | Fr: translation filed | ||
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FD4D Ref document number: 1056936E Country of ref document: IE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20031203 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed |
Effective date: 20031230 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20040701 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20031203 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20040831 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20051203 |