EP2798197A1 - Method for meshing a starter pinion of a starting device into a ring gear of an internal combustion engine - Google Patents
Method for meshing a starter pinion of a starting device into a ring gear of an internal combustion engineInfo
- Publication number
- EP2798197A1 EP2798197A1 EP12812615.8A EP12812615A EP2798197A1 EP 2798197 A1 EP2798197 A1 EP 2798197A1 EP 12812615 A EP12812615 A EP 12812615A EP 2798197 A1 EP2798197 A1 EP 2798197A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- internal combustion
- combustion engine
- ring gear
- pinion
- drive shaft
- 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
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 56
- 239000007858 starting material Substances 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 37
- 230000001133 acceleration Effects 0.000 claims description 4
- 230000036316 preload Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 230000009467 reduction Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000002123 temporal effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004393 prognosis Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/0851—Circuits or control means specially adapted for starting of engines characterised by means for controlling the engagement or disengagement between engine and starter, e.g. meshing of pinion and engine gear
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/0851—Circuits or control means specially adapted for starting of engines characterised by means for controlling the engagement or disengagement between engine and starter, e.g. meshing of pinion and engine gear
- F02N11/0855—Circuits or control means specially adapted for starting of engines characterised by means for controlling the engagement or disengagement between engine and starter, e.g. meshing of pinion and engine gear during engine shutdown or after engine stop before start command, e.g. pre-engagement of pinion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/0814—Circuits or control means specially adapted for starting of engines comprising means for controlling automatic idle-start-stop
- F02N11/0844—Circuits or control means specially adapted for starting of engines comprising means for controlling automatic idle-start-stop with means for restarting the engine directly after an engine stop request, e.g. caused by change of driver mind
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N2200/00—Parameters used for control of starting apparatus
- F02N2200/02—Parameters used for control of starting apparatus said parameters being related to the engine
- F02N2200/022—Engine speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N2200/00—Parameters used for control of starting apparatus
- F02N2200/04—Parameters used for control of starting apparatus said parameters being related to the starter motor
- F02N2200/047—Information about pinion position
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N2200/00—Parameters used for control of starting apparatus
- F02N2200/04—Parameters used for control of starting apparatus said parameters being related to the starter motor
- F02N2200/048—Information about pinion speed, both translational or rotational speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N2300/00—Control related aspects of engine starting
- F02N2300/20—Control related aspects of engine starting characterised by the control method
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N2300/00—Control related aspects of engine starting
- F02N2300/20—Control related aspects of engine starting characterised by the control method
- F02N2300/2006—Control related aspects of engine starting characterised by the control method using prediction of future conditions
Definitions
- start-stop systems in which the internal combustion engine is switched off and on according to a specific strategy. Also known are start-stop systems based on pinion starters, which engage a pinion in a starter ring gear of the internal combustion engine for starting.
- the method according to the invention for the meshing of a drive-in pinion of a starting device into a ring gear of an internal combustion engine has the advantage that in one step, as a result of the displacement of the starting pinion. rend of Abschaltauslaufs of the engine by means of a biasing force in the direction of the ring gear until it touches and then targeted in a further process step on the starting pinion a Einspurkraft is effected to dockspuren the starting pinion in a tooth space of the ring gear, a special gentle meshing of Andrehritzels in the ring gear is possible.
- the advance of the starter pinion and the application or touching of the starter pinion on the sprocket can immediately set the event at which the drive shaft has the rotational speed zero become. This means that an advance or application of the starter pinion is set to the corresponding event and not, for example, two or three zero passes already take place previously.
- This "on-time" application of the starter pin has the advantage that any unwanted collisions between teeth of the starter pinion and teeth of the toothed rim (ratchets) are reduced as far as possible and wear is minimized accordingly a further subclaim is provided that the process step in which the not driven by the starter motor starting pinion is advanced by a Vorspuraktuator by means of a biasing force towards the ring gear, after switching off the engine and before a first or second time takes place, to which the drive shaft the internal combustion engine reaches zero speed or only after the drive shaft has reached an angular acceleration of zero. Part that the contact time between starter pinion and sprocket is particularly short.
- the method step according to which a starting force is selectively effected on the starting pinion in order to engage the starting pinion in a gear gap of the ring gear, takes place at each shutdown of the internal combustion engine.
- the above-mentioned method step only takes place when a control of the internal combustion engine receives a start signal, after which the internal combustion engine is to be brought back into the motorized self-running for driving a vehicle.
- Fig. 6 is another speed diagram.
- an internal combustion engine 10 which has a ring gear 13.
- the side of the internal combustion engine 10 is a starting device 16, which has a starter pinion 19.
- the ring gear 13 of the internal combustion engine 10 is driven by a drive shaft 22.
- An arranged in the starting device 16 starter motor 25 drives the starter pinion 19 at.
- a Vorspuraktuator 28, designed for example as a starter relay (solenoid with electrical switching function) or only solenoid is suitable to advance the starting pinion 19 in the direction of the ring gear and then civilspuren in a further step in a tooth gap of the ring gear 13.
- Fig. La the situation is shown in which the internal combustion engine 10 has a still rotating drive shaft 22, which has a variable speed n as usual. Since the internal combustion engine is already switched off, and the drive shaft 22 is still rotating, this is in the so-called outlet.
- the speed n changes macroscopically, d. H. in the mean value, the speed n drops more or less quickly to zero. Usually several relative minima and maxima are formed.
- the starter pinion 19 is not meshed in the ring gear 13.
- the method step S1 the switching off of the internal combustion engine 10 has already taken place.
- Fig. Lb is shown how the non-driven by the starter motor 25 Andrehritzel 19 is advanced by the Vorspuraktuator 28 by means of a biasing force F v in the direction of the ring gear 13 until it touches or rests against this.
- FIG. 1c it is shown how, in accordance with the further method step S3, a meshing force F E is specifically effected on the starting pinion 19 in order to engage the starting pinion 19 in a tooth space of the ring gear 13.
- a detail of a ring gear 13 is shown. This has on the circumference arranged teeth 31 and between each two teeth 31 a tooth gap 34. There in the background, a piecing 19 is shown with a tooth 37 in detail. This tooth 37 is to be inserted into the tooth gap 34.
- a method for engaging a starter pinion 19 of a starting device 16 in a ring gear 13 of an internal combustion engine 10 wherein the internal combustion engine 10 has a drive shaft 22 and the starting device 16 has a starter motor 25, wherein the drive shaft 22 has a variable speed n and in one process step Sl a shutdown of the internal combustion engine 10 takes place and thereby in a step S2 the non-rotationally driven by the starter motor 25 starting pinion 19 is advanced by a Vorspuraktuator 28 by means of a biasing force F v toward the ring gear 13 until it touches or rests against this and thereafter
- a meshing force F E is selectively applied to the starting pinion 19 in order to engage the starting pinion 19 in a tooth gap 34 of the ring gear 13.
- FIG. 3 various possible speed situations between sprocket 13 and starter pinion 19 are shown.
- the center line shows an assumed peripheral speed V i3 of the ring gear 13 of the internal combustion engine 10. Above this line, it is indicated that the peripheral speed V i9 of the starting pinion 19 is greater than the peripheral speed V 2 2 of the ring gear 22. Below this line, it is indicated that the peripheral speed of the driving sprocket 19 is smaller than that of the sprocket 13. Both underneath and above the peripheral speed V 2 2, an amount not specified here in terms of amount is respectively recognizable above and below the line.
- the line Vi 9V indicates the maximum peripheral speed of the Andrehritzels 19, in which still a meshing of the Andrehritzels 19 in the ring gear 13 is possible.
- the lower line Vi 9R shows the smaller peripheral speed of the Andrehritzels 19, which also still allows a meshing in the ring gear 13.
- the associated speed fluctuations run alternately to form relative minima and maxima.
- the drive shaft after a few piston strokes - in the case of a piston engine - reaches a first zero passage at D N i, so that the drive shaft 22 stops for a moment and then reverses its direction of rotation finally, a negative speed maximum (equal Drehiereminimun n min) to traverse, from then on be in magnitude to slow down again in order to achieve a further zero crossing D N2 and again assume the original direction of rotation, following the zero crossing D N2.
- the speed n 2 2 of the drive shaft then approaches zero asymptotically.
- the method proceeds in such a way that when the internal combustion engine is switched off or shortly afterwards, the rotational speed of the drive shaft 22 is observed and analyzed in order to determine the instant of the first zero crossing D Ni .
- the "monitoring” and “analyzing” corresponds to the determination of a prognosis of how the speed curve of the drive shaft 22 develops over time t.
- time t Di it is calculated back how much time is needed for the Einspuren (time t E ), how much time for the application or for its duration is needed (t / 0 and how much time t v is required for toeing
- time t E the starting pinion 19 is advanced, from the point in time t 2 on the ring gear 13 during the time t A applied and Then during the time t E meshed in the ring gear 13.
- a differential rotation angle between the pinion and ring gear is at least equal to a tooth spacing.
- the geometry of pinion and ring gear and the pinion dynamics ensure a sufficiently large speed window for the Einspurvorgang.
- the speed gradients of internal combustion engine 10 and starter or starter must tion 16 allow the sweeping of the required relative rotation angle. If necessary, ensure that the starting device does not turn on the starter pinion 19.
- the phase "Create" from the time t 2 can already be done before the
- FIG. 5 deals with the temporal relationships around the second zero crossing DN2.
- the time tD2 is predicted at which the zero-crossing DN2 is expected. From this point onwards, as in the case of the first zero procedure, part of the
- Internal combustion engine be Ltdspurt. This means that the application of the starter pinion 19 to the ring gear 13 of the internal combustion engine can be done starting from a certain period of time for the process before reaching the first zero crossing, if a certain time window is excluded in the control, cf. Fig. 6.
- Fig. 6 it is shown how the period results, to which no activation of the Vorspuraktuators 28 is permitted. If one starts from the time of the predicted first zero crossing tD1 and calculates the duration of the application tA, one obtains the beginning of the time from when the toggle is actuated. actuator 28 is no longer allowed. The end of this period tNZ results from the permissible speed window around the zero crossing and here by the minimum permissible speed before the second zero crossing. Starting from this time tf, in turn, the time of the intended application of the Andrehritzels 19 is deducted. This then results in the time in which the pre-stroke actuator can not be controlled in order to obtain a secure meshing.
- a meshing of the driving sprocket 19 takes place at a time t 1 or t D 2 at which the drive shaft 22 of the internal combustion engine 10 has a speed n which is zero after the internal combustion engine 10 has been switched off. Accordingly, it is provided that the rotational speed equal to zero sets a first time or thereafter occurring again. As mentioned for the two zero-crossings, it is provided that a time tD1, TD2, at which the rotational speed n is zero, is determined by a precalculation. Accordingly, it is also provided that the other pinion 19 is advanced in the direction of the ring gear 13 after the preliminary calculation by means of the towing force F v .
- the method step S3 is carried out after switching off the internal combustion engine 10 and before a first or second time tD1, tD2, at which the drive shaft 22 of the internal combustion engine 10 reaches the speed n equal to zero or only after the drive shaft 22 has reached an angular acceleration of zero ,
- the situation in which the drive shaft 22 has the angular acceleration of the amount zero is the area in which the drive shaft 22 is stationary.
- the method step S3, after which the starting pinion 19 specifically experiences a meshing force FE takes place at each shutdown of the internal combustion engine 10.
- step S3 can only be carried out follow when a control of the internal combustion engine 10 receives a start signal, after which the internal combustion engine is to be brought back into the engine self-run for driving a vehicle.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Retarders (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011090158A DE102011090158A1 (en) | 2011-12-30 | 2011-12-30 | Method for engaging a starting pinion of a starting device in a ring gear of an internal combustion engine |
PCT/EP2012/076266 WO2013098172A1 (en) | 2011-12-30 | 2012-12-20 | Method for meshing a starter pinion of a starting device into a ring gear of an internal combustion engine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2798197A1 true EP2798197A1 (en) | 2014-11-05 |
EP2798197B1 EP2798197B1 (en) | 2021-04-07 |
Family
ID=47520961
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12812615.8A Active EP2798197B1 (en) | 2011-12-30 | 2012-12-20 | Method for meshing a starter pinion of a starting device into a ring gear of an internal combustion engine |
Country Status (6)
Country | Link |
---|---|
US (1) | US9494122B2 (en) |
EP (1) | EP2798197B1 (en) |
CN (1) | CN104136763A (en) |
DE (1) | DE102011090158A1 (en) |
HU (1) | HUE055074T2 (en) |
WO (1) | WO2013098172A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011078839A1 (en) * | 2011-07-08 | 2013-01-10 | Robert Bosch Gmbh | Method and device for monitoring a meshing operation of a Einspurritzels a starter motor |
DE102013226999B4 (en) | 2013-12-20 | 2020-06-04 | Seg Automotive Germany Gmbh | Method for engaging an axially displaceable starter pinion of a starting device in a ring gear of an internal combustion engine |
DE102015219505B4 (en) * | 2015-10-08 | 2019-03-07 | Bayerische Motoren Werke Aktiengesellschaft | Pinion starter gearbox with corrected gear geometry |
GB2580096B (en) * | 2018-12-21 | 2021-10-27 | Jaguar Land Rover Ltd | Controller and method for operating starter motor |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005021227A1 (en) * | 2005-05-09 | 2006-11-16 | Robert Bosch Gmbh | Starting device for internal combustion engines in motor vehicles |
DE102005049092B4 (en) * | 2005-10-13 | 2016-06-02 | Robert Bosch Gmbh | A method for meshing the starter pinion of a starter in the starter tooth circuit of an internal combustion engine when the internal combustion engine |
DE102006011644A1 (en) * | 2006-03-06 | 2007-09-13 | Robert Bosch Gmbh | Device having a first gear part for meshing in a second gear part, in particular starting device with a pinion for meshing in a ring gear of an internal combustion engine and method for operating such a device |
FR2925615B1 (en) * | 2007-12-20 | 2017-07-28 | Renault Sas | CONTROL METHOD FOR STARTER OF A COMBUSTION ENGINE AND ITS APPLICATION |
DE102008040830A1 (en) | 2008-07-29 | 2010-02-04 | Robert Bosch Gmbh | Method and apparatus of a start-stop control for an internal combustion engine |
DE102008042946A1 (en) * | 2008-10-20 | 2010-04-29 | Robert Bosch Gmbh | Method and apparatus of a start-stop control for an internal combustion engine |
EP3144520B1 (en) | 2009-01-21 | 2021-03-31 | Denso Corporation | System for restarting internal combustion engine when engine restart condition is met |
JP5287472B2 (en) * | 2009-04-24 | 2013-09-11 | 株式会社デンソー | Engine starter |
JP4835774B2 (en) * | 2009-09-04 | 2011-12-14 | 株式会社デンソー | Engine stop / start control device |
DE102010061084A1 (en) * | 2009-12-08 | 2011-07-21 | DENSO CORPORATION, Aichi-pref. | System for cranking an internal combustion engine by engaging a pinion with a ring gear |
US8510019B2 (en) * | 2010-01-20 | 2013-08-13 | Denso Corporation | Control device of automatic engine stop and start |
JP5073007B2 (en) * | 2010-04-28 | 2012-11-14 | 三菱電機株式会社 | Engine automatic stop / restart device |
JP5450311B2 (en) * | 2010-08-04 | 2014-03-26 | 日立オートモティブシステムズ株式会社 | Idle stop control method and control apparatus |
JP4926272B1 (en) * | 2010-10-29 | 2012-05-09 | 三菱電機株式会社 | Engine automatic stop / restart device |
US9200608B2 (en) * | 2011-11-15 | 2015-12-01 | Remy Technologies, Llc | Starter system |
-
2011
- 2011-12-30 DE DE102011090158A patent/DE102011090158A1/en not_active Withdrawn
-
2012
- 2012-12-20 US US14/369,736 patent/US9494122B2/en active Active
- 2012-12-20 HU HUE12812615A patent/HUE055074T2/en unknown
- 2012-12-20 EP EP12812615.8A patent/EP2798197B1/en active Active
- 2012-12-20 CN CN201280070945.XA patent/CN104136763A/en active Pending
- 2012-12-20 WO PCT/EP2012/076266 patent/WO2013098172A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
EP2798197B1 (en) | 2021-04-07 |
WO2013098172A1 (en) | 2013-07-04 |
HUE055074T2 (en) | 2021-10-28 |
DE102011090158A1 (en) | 2013-07-04 |
CN104136763A (en) | 2014-11-05 |
US20140350829A1 (en) | 2014-11-27 |
US9494122B2 (en) | 2016-11-15 |
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