WO2011144393A1 - Verfahren und vorrichtung zur reduzierung der temperaturtoleranz von glühstiftkerzen - Google Patents
Verfahren und vorrichtung zur reduzierung der temperaturtoleranz von glühstiftkerzen Download PDFInfo
- Publication number
- WO2011144393A1 WO2011144393A1 PCT/EP2011/055772 EP2011055772W WO2011144393A1 WO 2011144393 A1 WO2011144393 A1 WO 2011144393A1 EP 2011055772 W EP2011055772 W EP 2011055772W WO 2011144393 A1 WO2011144393 A1 WO 2011144393A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- temperature
- glow plugs
- temperature range
- class
- glow
- Prior art date
Links
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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q7/00—Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs
-
- 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
- F02P19/023—Individual control of the glow plugs
-
- 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
-
- 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
- F02P19/027—Safety devices, e.g. for diagnosing the glow plugs or the related circuits
Definitions
- the invention relates to a method for reducing the temperature tolerance of glow plugs. Furthermore, the invention relates to a device for reducing the temperature tolerance of glow plugs.
- a self-igniting internal combustion engine requires a starting aid.
- the starting aid is required to start the internal combustion engine.
- glow plugs are used, which are each installed in the cylinder head and protrude into the combustion chamber.
- the glow plugs usually include a glow plug, which offers a hot spot to the fuel-air mixture to be ignited, at which the fuel-air mixture can ignite.
- the glow plug comprises a designed as an electrical resistance heating element. A voltage is applied to the heating element, so that a current flows through the heating element, which heats the glow plug to a defined temperature. This temperature is chosen so that it is sufficient to ignite the fuel-air mixture in the combustion chamber of the internal combustion engine.
- the temperature of the glow plug is determined by the applied voltage and the cooling of the glow plug by the running internal combustion engine. Depending on the engine condition, the temperature can be adjusted by the amount of voltage applied.
- the glow system including glow plug, control unit and software, must be adapted.
- the temperature to which the glow plug of a glow plug is heated is usually in the range of 800 to 1300 ° C.
- glow plugs have a production-related temperature tolerance. This is generally around +/- 50 ° C.
- the temperature differences of the individual glow plugs which result from the temperature tolerance in manufacturing, lead to a negative impact on the combustion behavior in the cold start and the emission mode.
- the service life of individual glow plugs is reduced by temperature deviations.
- the method according to the invention for reducing the temperature tolerance of glow plugs comprises the following steps:
- At least one temperature class comprises a temperature range above a set temperature range, at least one temperature class a temperature range below the set temperature range and / or a temperature class the set temperature range,
- the temperature tolerance of the glow plugs can be reduced.
- the method takes account of the tolerance chain, including the wiring harness, contact resistors and glow plug.
- Another advantage is that the process can be performed on the internal combustion engine during operation, so that no external adjustment is necessary. This also has the advantage that a regular monitoring of the temperature tolerances can take place.
- the invention also includes a device for reducing the temperature tolerance of glow plugs comprising means for classifying the glow plugs in at least two temperature classes, wherein at least one temperature class comprises a temperature range above a desired temperature range, at least one temperature class a temperature range below the desired temperature range and / or a temperature class the setpoint temperature range, as well as means for adjusting the control voltage of the glow plugs in dependence on the temperature class, which was assigned the glow plug.
- a Glühzeit tenutex is preferably used, as it is already used in internal combustion engines.
- the current, voltage and activation time are measured for classification of the glow plug candles and features for classification are calculated therefrom.
- characteristics for the classification for example, power, resistance, energy and time constant T 6 3, T 10 o are calculated.
- the time constant takes into account the change with time of the temperature or the resistance of the plug when the drive voltage changes (voltage jump).
- Power, resistance, E and T 6 3 and T 10 o can be determined from current, voltage and activation time already with currently used glow time control devices. This allows a simple adaptation of the method according to the invention to already existing systems. Another advantage is that without much equipment expense a classification of the glow plugs can be performed.
- the characteristics for classification for example power, resistance, E and T 6 3, T 10 o are compared with predetermined reference values.
- the predetermined reference values are in a first embodiment, reference values that are specified from the outside and are stored in Glühzeit Kunststoffière or other device for calculating the characteristics for classification.
- the features of the individual glow plugs of the internal combustion engine are compared. For example, if the characteristics of a glow plug differ significantly from the characteristics of the other glow plugs of the internal combustion engine in this case, this glow plug is classified in the temperature class above the target temperature range or in the temperature class below the target temperature range depending on how the features differ. In the temperature class, which includes the temperature range above the set temperature range, the glow plug is classified, for example, when it converts compared to the other glow plugs with the same drive voltage significantly more power. Accordingly, a glow plug, which converts less power at the same drive voltage relative to the other glow plugs of the internal combustion engine into the temperature class, which covers the temperature range below the target temperature range.
- the characteristics of all the glow plugs of the internal combustion engine for classification are compared with each other, being set as the target range, a range in which in more than three glow plugs the features of at least two glow plugs fall and with three glow plugs the characteristics, which determine a middle temperature.
- diagnostic limits are, for example, resistors that are far outside the possible production tolerance range.
- the resistance can be extremely high, that is, significantly greater than a possible tolerance value and, in the limit, go to infinity, which indicates an interrupted heater line.
- the resistance can have a very small value, which in the limit case approaches 0 ohms, which indicates a short-circuit.
- tolerances from the production or the installation arrangement of the glow plugs within the internal combustion engine can also be taken into account in order to take into account the probability of whether the glow plug is a hot or hot a cold glow plug is and in the temperature class, which is the temperature range above the target temperature range or in the temperature class, which covers the temperature range below the target temperature range is classified.
- the control voltage is lowered for the glow plugs associated with a temperature class covering the temperature range above the setpoint temperature range, and for the glow plugs associated with a temperature class comprising a temperature range below the setpoint temperature range Drive voltage increased.
- the control voltage is not corrected. Increasing the drive voltage causes the glow plug to produce more power and the temperature of the glow plug increases. Accordingly, the glow plug at a reduced drive voltage to less power and the glow plug heats to a lower temperature.
- the glow plug By correcting the drive voltage, the glow plugs, the temperature class, which includes a temperature range below the target temperature range or the temperature class, which includes a temperature range o- above the target temperature range, in a target temperature tolerance band, which usually corresponds to the target temperature range, brought.
- the method according to the invention for classifying the glow plugs and the adaptation is preferably carried out during the standstill of the vehicle when the ignition is activated or after switching off the ignition when the control unit is in the caster.
- the glow plugs must each be controlled individually.
- the characteristics for classification are first compared with predetermined reference values in order to classify the glow plugs, and then the characteristics of all the glow plugs of the internal combustion engine are compared for classification with each other for verification, wherein a setpoint range is set in which more than three glow plugs the characteristics of at least two glow plugs fall and three glow plugs the characteristics, which set an average temperature.
- a setpoint range is set in which more than three glow plugs the characteristics of at least two glow plugs fall and three glow plugs the characteristics, which set an average temperature.
- the glow behavior or the combustion behavior of the internal combustion engine is improved. This leads to a combustion stability during cold start and to a reduction of hydrocarbon and carbon monoxide emissions.
- Another advantage of the method according to the invention is that the adjustment of the temperature tolerance of the glow plugs can be carried out without additional equipment and without additional equipment. It is also possible, by adjusting the temperature tolerance of the glow plugs directly in the internal combustion engine to use glow plugs with a larger temperature tolerance band from the production, so that a lower reject rate arises during manufacture.
- the inventive method has the advantage that by adjusting the temperature tolerance of the glow plugs on the one hand, the specified annealing temperature can be better maintained in the motor vehicle and on the other hand, the annealing temperature can be increased or the Glühmannkerzenlebens- duration can be extended in the internal combustion engine.
- the single figure shows voltage, temperature, and resistance curves as a function of time.
- Describe behavior and steady-state behavior of the glow plug This is for example, it is possible to control the glow plug in a combustion engine of a motor vehicle at standstill of the motor vehicle and thus in quiet ambient air with a predetermined drive voltage to determine the characteristics of the glow plug. Voltage and current are measured over the entire period of classification and the recording of the temperature tolerance of the glow plug, and characteristic values are calculated at predetermined time stamps.
- the calculated characteristic values are, for example, the resistance of the glow plug, the power of the glow plug, time constants T 6 3, that is to say the time until 63% of the target value or target value is reached, the time being determined by means of timers in the control unit, the time to reach a certain level of resistance as well as gradients dT / dR.
- an initial resistance R 0 is determined at a start time 1.
- the drive voltage is raised to a first value 3.
- the temperature rises 5 of the glow plug and the resistor 7 also increases due to the rising temperature.
- the first value 3 for the drive voltage is higher than the subsequent drive voltage of the glow plug.
- a first temperature maximum 9 and a first resistance maximum 1 1 have been established.
- the voltage is lowered to a second value 13.
- the time at which the drive voltage is lowered to the second value 13 is determined by wherein U is the driving voltage, t is the time, and E thr is the energy threshold which is defined such that the glow plug, the permissible maximum temperature in the rapid heat-up phase (pushing, U pU sh>> Unominai) does not exceed.
- both resistor 7 and temperature 5 decrease.
- For the resistor 7 results in a local minimum 15. This is calculated.
- the voltage is raised to a third value.
- the third value 17 of the drive voltage is higher than the second value 13 and lower than the first value 3.
- Usual values for the drive voltage are, for example, for the first value 1 1 V, for the second value 3.0 or 5.5 V. and for the third value 5 V, 7 V or 7.5 V. In general, the first value for the drive voltage in the range of 9 to 13 V, the second value for the
- the glow plug is divided into a temperature class.
- a temperature class comprising a temperature range above a setpoint temperature range, a temperature class comprising a temperature range below the setpoint temperature range and a temperature class the setpoint temperature range.
- a comparison of the measured values with stored values can be stored, for example, in a glow time control device.
- the division of the glow plugs is carried out, for example, according to the following criteria:
- 1 means an assignment into the temperature class comprising the temperature range above the target temperature range, -1 the temperature class including the temperature range below the target temperature range, and 0 the temperature class comprising the target temperature range.
- R 0 cold resistance of the candle
- resistance when switching on the glow plug Ro owe- lower limit for the cold resistance, so that the candle can be classified as a nominal candle based on this criterion.
- Ro.u an upper limit for the cold resistance, so that the candle can be classified as a nominal candle based on this criterion.
- t time from candle energization to maximum resistance (time from point 1 to 1 1)
- 0wer upper limit for the time so that the candle can be classified by this criterion as a nominal candle
- tu one lower limit for the time so that the candle can be classified by this criterion as a nominal candle.
- R ushmax maximum resistance after pushing (fast heating), i. Resistance after application of the high voltage point 3 of e.g. 1 1V.
- RpostMin minimal resistance after pushing and applying a lower voltage of e.g. 5.5V (item 13)
- Time constant is reached to 63% or 100% of the stationary resistance when applying a voltage of eg 5.5V.
- Time difference (At t (5.5V) - t (R pos tmin)) from Rp 0S tMin to reaching 63% or 100% of R (5.5V).
- R resistance (calculated from measured voltage U and current I) between t- 1 and t 2 ; the resistance of the candle is stationary and represents a steady temperature value of the candle.
- the power P can be determined in this phase C7:
- Time constant up to 63% or 100% of the stationary resistance when applying a voltage of eg 7.4V is reached.
- the reference temperatures for the reference voltage are stored in the control unit.
- R 6 o-Ro resistance difference between stationary end value (R 6 o corresponds to the resistance R of C6_1 and the resistance R of C8_1) in the time range t "i ⁇ t ⁇ t.2 or for t> t 2 and cold resistance R 0 (C1).
- the individual classifications are each multiplied by a weighting factor and added together. If the value so determined is greater than an upper predetermined value, the glow plug is assigned to the temperature class that is above the set temperature range; if the particular value is less than a lower predetermined limit, the glow plug is assigned to the temperature class that is below the temperature range Target temperature range includes, and if the value is between the upper and the lower limit, the temperature class, which includes the target temperature range.
- the drive voltage is increased, and if the glow plug is assigned to the temperature class that includes the temperature range above the set temperature range, the drive voltage is reduced.
- the voltage is also changed, but not "flat rate" with a fixed constant correction voltage, but in such a way that sets a required resistance.
- the voltage is varied until a desired temperature and thus a certain Resistor adjusts the glow plug. For example, if the resistance is too low, more power will be converted and the candle is too hot. In this case, the voltage is reduced until a required resistance is reached.
- Glow plugs, central glow plugs and hot glow plugs In further use each glow plugs from the same group are then installed in an internal combustion engine.
- the temperature ranges in which the glow plugs are classified during production are generally greater than the desired temperature tolerance for the internal combustion engine.
- glow plugs from different temperature classes are also installed in an internal combustion engine.
- the temperature tolerance can be adjusted, for example, by adjusting the drive voltage.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201180024427XA CN102884307A (zh) | 2010-05-18 | 2011-04-13 | 用于减小炽热头引火塞的温度公差的方法和装置 |
US13/639,416 US20130087114A1 (en) | 2010-05-18 | 2011-04-13 | Method and device for reducing the temperature tolerance of sheathed-element glow plugs |
EP11715469.0A EP2572099B1 (de) | 2010-05-18 | 2011-04-13 | Verfahren und vorrichtung zur reduzierung der temperaturtoleranz von glühstiftkerzen |
JP2013510536A JP2013526675A (ja) | 2010-05-18 | 2011-04-13 | グロープラグの温度許容差を低減する方法および装置 |
KR1020127030052A KR20130079399A (ko) | 2010-05-18 | 2011-04-13 | 글로우 플러그의 온도 허용 오차를 감소시키는 방법 및 장치 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010029047.5 | 2010-05-18 | ||
DE102010029047A DE102010029047A1 (de) | 2010-05-18 | 2010-05-18 | Verfahren und Vorrichtung zur Reduzierung der Temperaturtoleranz von Glühstiftkerzen |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011144393A1 true WO2011144393A1 (de) | 2011-11-24 |
Family
ID=43971546
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2011/055772 WO2011144393A1 (de) | 2010-05-18 | 2011-04-13 | Verfahren und vorrichtung zur reduzierung der temperaturtoleranz von glühstiftkerzen |
Country Status (7)
Country | Link |
---|---|
US (1) | US20130087114A1 (de) |
EP (1) | EP2572099B1 (de) |
JP (1) | JP2013526675A (de) |
KR (1) | KR20130079399A (de) |
CN (1) | CN102884307A (de) |
DE (1) | DE102010029047A1 (de) |
WO (1) | WO2011144393A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2711540A4 (de) * | 2011-05-19 | 2015-12-30 | Bosch Corp | Antriebssteuerverfahren für glühkerzen und antriebssteuervorrichtung für glühkerzen |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9683536B2 (en) * | 2013-05-16 | 2017-06-20 | Ford Global Technologies, Llc | Enhanced glow plug control |
BR112016007799B1 (pt) * | 2013-10-16 | 2021-09-14 | Cummins Filtration Ip, Inc | Conjunto e elemento de filtro com recurso eletrônico de detecção de filtro para sistemas de filtração de líquido |
DE102016121717B4 (de) * | 2016-11-14 | 2022-12-08 | Eberspächer Climate Control Systems GmbH | Verfahren zum Betreiben eines brennstoffbetriebenen Fahrzeugheizgerätes |
US11739693B2 (en) * | 2020-11-18 | 2023-08-29 | Pratt & Whitney Canada Corp. | Method and system for glow plug operation |
US12031513B2 (en) | 2020-11-18 | 2024-07-09 | Pratt & Whitney Canada Corp. | Method and system for glow plug operation |
Citations (3)
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WO2007020730A1 (ja) * | 2005-08-18 | 2007-02-22 | Isuzu Motors Limited | グロープラグ通電システム、これに用いるグロープラグ及びグロープラグ制御器 |
EP1762724A1 (de) * | 2005-09-09 | 2007-03-14 | Beru AG | Verfahren und Vorrichtung zum Betreiben der Glühkerzen einer selbstzündenden Brennkraftmaschine |
DE102006010081A1 (de) * | 2005-09-21 | 2007-06-06 | Beru Ag | Verfahren zum Ansteuern einer Gruppe von Glühkerzen in einem Dieselmotor |
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JPS6045757B2 (ja) * | 1978-07-10 | 1985-10-11 | いすゞ自動車株式会社 | ディ−ゼル・エンジンの予熱制御装置 |
JPS5618069A (en) * | 1979-07-23 | 1981-02-20 | Isuzu Motors Ltd | Auxiliary device for diesel engine |
JPS60116869A (ja) * | 1983-11-29 | 1985-06-24 | Daihatsu Motor Co Ltd | ディ−ゼルエンジンにおける予熱装置 |
DE3768994D1 (de) * | 1986-01-16 | 1991-05-08 | B 80 Srl | Gluehkerze mit zwei gluehwendeln fuer dieselmotoren. |
US5724932A (en) * | 1996-10-18 | 1998-03-10 | Caterpillar Inc. | Alternating current control apparatus and method for glow plugs |
CN101268274B (zh) * | 2005-09-21 | 2010-12-01 | 贝鲁股份公司 | 用于操作柴油发动机中一组电热塞的方法 |
DE102006025834B4 (de) * | 2006-06-02 | 2010-05-12 | Beru Ag | Verfahren zum Steuern einer Glühkerze in einem Dieselmotor |
DE102006048225A1 (de) * | 2006-10-11 | 2008-04-17 | Siemens Ag | Verfahren zur Bestimmung einer Glühkerzentemperatur |
GB2456784A (en) * | 2008-01-23 | 2009-07-29 | Gm Global Tech Operations Inc | Glow plug control unit and method for controlling the temperature in a glow plug |
JP5113611B2 (ja) * | 2008-04-25 | 2013-01-09 | 富士重工業株式会社 | ディーゼルエンジンの始動後制御装置 |
EP2123902B1 (de) * | 2008-05-21 | 2011-10-12 | GM Global Technology Operations LLC | Verfahren und Vorrichtung zum Steuern von Glühstiften in einem Dieselmotor, insbesondere für Motorfahrzeuge |
DE102008002574B4 (de) * | 2008-06-20 | 2010-03-18 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Ansteuerung einer Glühkerze |
DE102009020148B4 (de) * | 2009-05-05 | 2011-09-01 | Beru Ag | Verfahren zum Ermitteln der Heizcharakteristik einer Glühkerze |
-
2010
- 2010-05-18 DE DE102010029047A patent/DE102010029047A1/de not_active Withdrawn
-
2011
- 2011-04-13 WO PCT/EP2011/055772 patent/WO2011144393A1/de active Application Filing
- 2011-04-13 EP EP11715469.0A patent/EP2572099B1/de not_active Not-in-force
- 2011-04-13 KR KR1020127030052A patent/KR20130079399A/ko not_active Application Discontinuation
- 2011-04-13 US US13/639,416 patent/US20130087114A1/en not_active Abandoned
- 2011-04-13 CN CN201180024427XA patent/CN102884307A/zh active Pending
- 2011-04-13 JP JP2013510536A patent/JP2013526675A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007020730A1 (ja) * | 2005-08-18 | 2007-02-22 | Isuzu Motors Limited | グロープラグ通電システム、これに用いるグロープラグ及びグロープラグ制御器 |
EP1762724A1 (de) * | 2005-09-09 | 2007-03-14 | Beru AG | Verfahren und Vorrichtung zum Betreiben der Glühkerzen einer selbstzündenden Brennkraftmaschine |
DE102006010081A1 (de) * | 2005-09-21 | 2007-06-06 | Beru Ag | Verfahren zum Ansteuern einer Gruppe von Glühkerzen in einem Dieselmotor |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2711540A4 (de) * | 2011-05-19 | 2015-12-30 | Bosch Corp | Antriebssteuerverfahren für glühkerzen und antriebssteuervorrichtung für glühkerzen |
Also Published As
Publication number | Publication date |
---|---|
JP2013526675A (ja) | 2013-06-24 |
US20130087114A1 (en) | 2013-04-11 |
EP2572099A1 (de) | 2013-03-27 |
DE102010029047A1 (de) | 2011-11-24 |
CN102884307A (zh) | 2013-01-16 |
EP2572099B1 (de) | 2018-03-21 |
KR20130079399A (ko) | 2013-07-10 |
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