EP3321500A1 - Procédé d'alimentation d'une bougie-crayon de préchauffage de moteur - Google Patents
Procédé d'alimentation d'une bougie-crayon de préchauffage de moteur Download PDFInfo
- Publication number
- EP3321500A1 EP3321500A1 EP16198782.1A EP16198782A EP3321500A1 EP 3321500 A1 EP3321500 A1 EP 3321500A1 EP 16198782 A EP16198782 A EP 16198782A EP 3321500 A1 EP3321500 A1 EP 3321500A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- glowplug
- mean
- course
- heating step
- final
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 42
- 230000008569 process Effects 0.000 title claims abstract description 42
- 238000010438 heat treatment Methods 0.000 claims abstract description 97
- 238000001816 cooling Methods 0.000 claims abstract description 58
- 230000002123 temporal effect Effects 0.000 claims abstract description 43
- 230000007423 decrease Effects 0.000 claims abstract description 16
- 230000003247 decreasing effect Effects 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 claims description 4
- 230000004048 modification Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000001747 exhibiting effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- 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
- F02P19/021—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 characterised by power delivery controls
- F02P19/022—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 characterised by power delivery controls using intermittent current supply
-
- 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
- F02P19/025—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 with means for determining glow plug temperature or glow plug resistance
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/027—Heaters specially adapted for glow plug igniters
Definitions
- the so-called pre-heating step the electrical feeding of the glowplug is caused by the activation of the starting changeover switch of the engine, and lasts up until the starting of the engine.
- the recent processes for electrical feeding of glowplugs also include, after the pre-heating step, a so-called post-heating step in which the feeding of the glowplug is maintained during a period which may persist for up to 180 seconds after the starting of the engine.
- the post-heating step enables the pollutant emissions and noise emissions of the engine to be minimised.
- a feed device of a glowplug 21 enabling a process to be implemented for feeding a glowplug 21 in accordance with the invention is represented in Figure 1 .
- the glowplug 21 is mounted on the cylinder head of an engine and exhibits a heating finger extending into a combustion chamber of a heat engine which is not represented.
- the chopping signal enables the mean electrical power of the electric feed current to be controlled.
- the duty cycle of the chopping signal enables a mean electrical power of the electric feed current, the so-called mean feed power, to be defined. More particularly, when the duty cycle is equal to one, the mean feed power is equal to the maximum feed power, and when the duty cycle is zero, the mean feed power is zero.
- the mean feed power enables the temperature of the resistive element to be raised. More particularly, in the course of the post-heating step 29 the mean feed power enables the resistive element to be set at a temperature greater than 900°C, e.g. of the order of 950°C. Afterwards, in the advantageous embodiments in which the mean power is constant in the course of the pre-heating step 28 the resistive element is maintained at the same temperature.
- the final step 30 of controlled cooling enables the service life of a glowplug 21 to be increased considerably. Indeed, the fact of retarding the cooling of the resistive element of the glowplug 21 enables a uniform solidification of the resistive element to be ensured, so as to avoid deteriorations of the resistive element that may be due to an excessively rapid cooling of the resistive element.
- a process for electrical feeding of a glowplug 21 in accordance with the invention therefore enables the service life of the glowplug 21 fed in accordance with such a process to be increased.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16198782.1A EP3321500A1 (fr) | 2016-11-15 | 2016-11-15 | Procédé d'alimentation d'une bougie-crayon de préchauffage de moteur |
| PCT/EP2017/078392 WO2018091305A1 (fr) | 2016-11-15 | 2017-11-07 | Procédé d'alimentation d'une bougie de préchauffage de moteur |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16198782.1A EP3321500A1 (fr) | 2016-11-15 | 2016-11-15 | Procédé d'alimentation d'une bougie-crayon de préchauffage de moteur |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3321500A1 true EP3321500A1 (fr) | 2018-05-16 |
Family
ID=57345717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16198782.1A Withdrawn EP3321500A1 (fr) | 2016-11-15 | 2016-11-15 | Procédé d'alimentation d'une bougie-crayon de préchauffage de moteur |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP3321500A1 (fr) |
| WO (1) | WO2018091305A1 (fr) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4594975A (en) * | 1983-02-02 | 1986-06-17 | Toyota Jidosha Kabushiki Kaisha | Glow plug current supply control system |
| DE3842550A1 (de) * | 1987-12-17 | 1989-06-29 | Jidosha Kiki Co | Erreger-steuervorrichtung fuer gluehkerze |
| WO1993009346A1 (fr) * | 1991-10-31 | 1993-05-13 | Nartron Corporation | Regulateur d'une bougie de prechauffage |
| FR2897656A1 (fr) * | 2006-02-23 | 2007-08-24 | Renault Sas | Procede et systeme de commande d'une bougie de prechauffage, a alimentation a basse tension electrique, d'un melange air/carburant de moteur diesel |
| DE102011006790A1 (de) * | 2010-04-05 | 2012-01-05 | Denso Corporation | Steuerungsvorrichtung zum steuern einer stromzufuhr an eine glühkerze; die in einer dieselbrennkraftmaschine angebracht ist |
| EP2800451A1 (fr) | 2011-12-27 | 2014-11-05 | Bosch Corporation | Dispositif de commande de puissance de bougie de départ |
-
2016
- 2016-11-15 EP EP16198782.1A patent/EP3321500A1/fr not_active Withdrawn
-
2017
- 2017-11-07 WO PCT/EP2017/078392 patent/WO2018091305A1/fr not_active Ceased
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4594975A (en) * | 1983-02-02 | 1986-06-17 | Toyota Jidosha Kabushiki Kaisha | Glow plug current supply control system |
| DE3842550A1 (de) * | 1987-12-17 | 1989-06-29 | Jidosha Kiki Co | Erreger-steuervorrichtung fuer gluehkerze |
| WO1993009346A1 (fr) * | 1991-10-31 | 1993-05-13 | Nartron Corporation | Regulateur d'une bougie de prechauffage |
| FR2897656A1 (fr) * | 2006-02-23 | 2007-08-24 | Renault Sas | Procede et systeme de commande d'une bougie de prechauffage, a alimentation a basse tension electrique, d'un melange air/carburant de moteur diesel |
| DE102011006790A1 (de) * | 2010-04-05 | 2012-01-05 | Denso Corporation | Steuerungsvorrichtung zum steuern einer stromzufuhr an eine glühkerze; die in einer dieselbrennkraftmaschine angebracht ist |
| EP2800451A1 (fr) | 2011-12-27 | 2014-11-05 | Bosch Corporation | Dispositif de commande de puissance de bougie de départ |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018091305A1 (fr) | 2018-05-24 |
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Effective date: 20181217 |
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| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: HIDRIA D.O.O. |
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| STAA | Information on the status of an ep patent application or granted ep patent |
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| 18D | Application deemed to be withdrawn |
Effective date: 20190430 |