EP2676028B1 - Circuit, procédé permettant de fonctionnement correspondant et dispositif de démarrage - Google Patents

Circuit, procédé permettant de fonctionnement correspondant et dispositif de démarrage Download PDF

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Publication number
EP2676028B1
EP2676028B1 EP12702840.5A EP12702840A EP2676028B1 EP 2676028 B1 EP2676028 B1 EP 2676028B1 EP 12702840 A EP12702840 A EP 12702840A EP 2676028 B1 EP2676028 B1 EP 2676028B1
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EP
European Patent Office
Prior art keywords
bridging
switching
electric machine
current path
current
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.)
Not-in-force
Application number
EP12702840.5A
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German (de)
English (en)
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EP2676028A1 (fr
Inventor
Karl-Otto Schmidt
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.)
SEG Automotive Germany GmbH
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SEG Automotive Germany GmbH
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Publication date
Application filed by SEG Automotive Germany GmbH filed Critical SEG Automotive Germany GmbH
Publication of EP2676028A1 publication Critical patent/EP2676028A1/fr
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Publication of EP2676028B1 publication Critical patent/EP2676028B1/fr
Not-in-force legal-status Critical Current
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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
    • F02N11/087—Details of the switching means in starting circuits, e.g. relays or electronic switches
    • 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
    • F02N2200/044—Starter current
    • 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
    • F02N2200/06—Parameters used for control of starting apparatus said parameters being related to the power supply or driving circuits for the starter
    • F02N2200/063—Battery voltage
    • 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
    • F02N2250/00—Problems related to engine starting or engine's starting apparatus
    • F02N2250/02—Battery voltage drop at start, e.g. drops causing ECU reset
    • 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
    • F02N2300/10—Control related aspects of engine starting characterised by the control output, i.e. means or parameters used as a control output or target
    • F02N2300/106—Control of starter current

Definitions

  • the invention relates to a circuit arrangement for an electrical machine, in particular for a starting device with a starter motor for starting an internal combustion engine, in a motor vehicle, with a current limiting device for limiting an inrush of the electric machine, with a lock-up device for bypassing the current limiting device, wherein the lock-up device directly to a high potential of a voltage source is switchable.
  • the invention further relates to a method for operating a, in particular above-described, circuit arrangement for an electrical machine, in particular for a starting device with a starter motor for starting an internal combustion engine, in a motor vehicle, with a current limiting device for limiting an inrush of the electric machine and a Bridging device for temporary bridging of the current limiting device.
  • the invention relates to a starting device for starting an internal combustion engine in a motor vehicle with, in particular described above, with a starter motor and a current limiting device for limiting an inrush of the starter motor and with a lock-up device for bypassing the current limiting device, wherein the lock-up device means a high potential of a voltage source is switchable.
  • a starter pinion is meshed with a ring gear of the internal combustion engine by means of a starter relay designed as a single-track device.
  • a contact bridge between two contacts is closed by the relay, which closes a circuit for the electrical machine to a power source, the circuit is designed for high currents up to 1000 or 1500 amps at about 12 to 13 volts.
  • the starter pinion is meshed via a coarse thread so that the starter pinion meshes in the sprocket without any problems and a tooth-on-tooth position is avoided.
  • the electric machine is easily turned on, wherein the circuit is guided via a series resistor.
  • the high current decrease when starting an internal combustion engine causes the battery voltage from originally 12 volts to about 6 volts and possibly deeper breaks.
  • the burglary is dependent on environmental parameters such as temperature and battery state of charge, the size, the resistance of the armature, the voltage drop across the carbon brushes and the feeder cables.
  • Further electrical consumers such as control units, fuel pump and headlights may possibly not be sufficiently supplied with electrical energy, so that they are affected by the start. This is at a so-called cold start d. H. at a start of an internal combustion engine before operation of the vehicle is not critical. This is more critical or unsatisfactory for the vehicle occupants, in a start-stop operation of the motor vehicle. For example, electrical consumers are affected at the restart of the engine at a traffic light or in a traffic jam in such a way that they do not get the necessary battery power and thus at least temporarily suspend. This is undesirable.
  • a current limiting device can be used at least for a short time when starting the internal combustion engine to reduce the voltage drop by the electrical machine is subjected to a reduced current via a series resistor.
  • the series resistor is in the main current path The electrical machine is switched so that even high currents of up to 600 A and more amps can flow through this. If the internal combustion engine has started, the current limiting device is bypassed via a bridging device and the starter motor is subjected to a maximum current. A large voltage dip at this time overcame. Thus, an only acceptable small voltage dip occurs. For example, the voltage dip reduces to only a range of 10 to 20 percent of an area previously 50 to 60 percent.
  • the DE 10 2009 027 234 A1 discloses, for example, such a current limiting device with a plurality of parallel current paths.
  • the Applicant is also known to provide a series resistor in the main current path of the starter motor, which is bridged over a bridging device, which is designed as a contact closer, when the starter motor is already turned on and has reached a certain speed, so that the voltage dip, as described above, at most 10 to 20 percent. It is an object of the invention, a circuit arrangement, a method and a starting device of the type mentioned in such a way that the circuit arrangement and thus the starting device over the life as stable and safe works.
  • the contact opener thus separates the main current path quickly, so that the electronic machine must start via a current limiting device.
  • the current limiting device is constantly bridged. So it is the conventional current path with maximum current exposure enabled, as in a conventional cold start. The risk that the current limiting device suffers thermal damage in the event of a functional failure of the bridging device is thus virtually automatically or automatically avoided with the directly switched contact opener.
  • the lock-up device is released again by the voltage is applied to the starter motor or the electric machine and thus induces a voltage, so that a voltage drop across the electric machine leads to a reduction of the voltage at the lock-up device, which in turn leads to the switching contact of the Contact opener in the main circuit path is closed again.
  • This process preferably takes so long that a so-called short-circuit phase that is, the time duration in which a voltage dip could take place, so that as already described above, a voltage dip is significantly reduced.
  • a switching delay device is preferably arranged in a potential-ground current path direction in the current path behind the contact opener.
  • the switching delay device comprises a passive component, in particular a resistor.
  • a passive component in particular a resistor.
  • the passive component can be made significantly cheaper than a coil.
  • the stored energy of the coil in the contact opener, that is, the switching relay evenly loaded.
  • the switching delay means comprises a passive one Component, in particular a coil.
  • the turn-off time can be delayed or shortened compared to a current resistance of the coil compared to a comparable ohmic resistance.
  • the turn-off time is delayed when the energization direction and the winding direction in both coils are rectified.
  • the turn-off time is shortened when the additional coil is energized or wound in the opposite direction of the coil from the contact opener.
  • the circuit arrangement comprises a first switching device, via which the electrical machine can be acted upon by voltage and wherein in the current path a bridging device is a safety device, in particular in the form of a diode, connected downstream.
  • the switching device has the advantage that with the switching device high currents up to or over 1000 amps can be switched briefly and this switching device with small currents via the control switch is switchable.
  • the switching device is not of the lock-up device, which is preferably designed as a relay with a coil, this feeds the switching device with power due to inductive voltage, which could lead to malfunction and damage to the electrical machine, is preferably a diode for blocking downstream of the current in the opposite direction as a safety device.
  • the first switching device preferably comprises a pull-in winding and a holding winding, wherein the pull-in winding is connected on the ground side on the potential side of the electric machine, in particular at a current path node with the ground of the bridging device ,
  • the holding winding is connected directly to the ground side of the power source.
  • the object is also achieved by a method in that after switching on a control switch, the bridging device is subjected to voltage and as a result, a main current path of the starter motor of the lock-up device is interrupted as a contact opener, wherein the main current path is closed by a first switching device and the electric machine via the current limiting device with voltage is applied, whereby due to a voltage drop across the starter motor, the voltage of the electric machine connected in series bypass device drops, so that the main current path of the bypass device is closed again and the current limiting device is bridged, wherein the main current path is interrupted by the first switching device as soon as the energized first switching device is switched off by the control switch.
  • the bridging device in the form of an additional relay is, as in a mono-flop module, switched off with a delay and thus forms a monostable flip-flop in the form of a contact opener.
  • the object is also achieved by a starting device in that the bridging device can be switched by means of a high potential at a voltage source and the bridging device is designed as a contact opener, preferably as a switching relay.
  • the lockup device is switchable rather quickly, shift delay elements are not arranged in front of or in the lockup device.
  • the starting device is simple and thus achieves a long life.
  • the lock-up device is preferably designed as a separate component to the starter motor with a starter relay serving as a first switching device.
  • the lockup device can thus be arranged separately on the internal combustion engine or on the body.
  • the bridging devices are formed with the starter motor and the starter relay in a common housing or as a common assembly.
  • the bridging devices are formed with the starter motor and the starter relay in a common housing or as a common assembly.
  • the starter motor and the starter relay in a common housing or as a common assembly.
  • the bridging devices are preferred Used cables that transmit with very high currents. In terms of safety, the starting device is thus simple, safe and compact.
  • the Fig. 1 1 shows a schematic circuit diagram of a circuit arrangement 1 for an electric machine 2 according to the invention.
  • the electric machine 2 is part of a starting device 17.
  • the starting device 17 further comprises a first switching device 5, which is designed as a relay with a pull-in winding 13 and a holding winding 14 in order to one with the armature a starter pinion 25 in a sprocket 18 of an internal combustion engine 15 on and mecanicspuren and on the other a contact bridge with a switching contact 51 of a main current path 20 of the electric machine 2 between serving as a power source battery 10 and the starter motor 2 and close to open.
  • a first switching device 5 which is designed as a relay with a pull-in winding 13 and a holding winding 14 in order to one with the armature a starter pinion 25 in a sprocket 18 of an internal combustion engine 15 on and mecanicspuren and on the other a contact bridge with a switching contact 51 of a main current path 20 of the electric machine 2 between
  • a starting resistor 3 is connected upstream of the starter motor 2 as a series resistor as a current limiting device.
  • the switching contact 51 may be arranged in front of or behind the series resistor 3, it is preferred as in the Fig. 1 shown behind the switch contact 51 arranged.
  • the starting device 17 is controlled via a control switch 8 with a switching contact 81, which switches electrical energy from the battery 10, wherein the switching currents in a secondary flow path 30 are significantly lower than the switching currents in the main current path 20.
  • the switching currents in the main current path 20 can range from to about 1000 amps and more.
  • the secondary flow path 30, which primarily supplies the first switching device 5 and a bridging device 4, is designed for significantly lower currents.
  • the starting resistor 3 is bridged by a bridging device 4 according to the invention.
  • the bridging device 4 further includes a second switching device 7, which is also designed as a relay, with a second switching contact 71 in order to switch very high currents from the main current path 20.
  • the bridging device 4 is provided as a contact opener, so that in the unloaded state of the second switching device 7 of the lock-up device 4, the circuit is closed and the starting resistor 3 is bridged.
  • the bridging device 4 is connected directly to the high potential of the battery 10 and is also controlled by the control switch 8. For this purpose, the bridging device 4 is connected at the current path node 84 of the secondary current path 30 behind the control switch 8.
  • the Fig. 2 shows a further particular embodiment of the circuit arrangement 1 according to the invention, wherein the lock-up device 4 is merely modified.
  • a diode 9 is connected as a safety device in parallel to the switching delay device 60, so that when switching off the starter motor 2, the relay 7 is not energized vice versa and thus causes the first switching device 5 closes the switch contact 51 again, resulting in a malfunction of the starter motor 2 and thus to premature destruction or a Can cause wear.
  • the lock-up device 4 may be formed as a separate component and thus separately connected or mounted on a conventional starting device 17 or on the body or on the internal combustion engine 15.
  • the conventional starting device 17 is merely modified in that it is the starting resistor. 3 comprises and two current path nodes 32 and 34 in front of and behind the starting resistor 3, is connected to the lock-up device 4.
  • the Fig. 3 again shows a circuit diagram of a circuit arrangement 1 in which only the switching delay device 60 is modified to the effect that instead of the resistor 61, a coil 62 is arranged.
  • the coil 62 is thus connected in series with the additional relay 7 and is designed for a period of time as a switching delay from the contact opener 7 is predefined desired.
  • the so-called short-circuit point that is to say the undesired voltage drop, is bridged in time by the use of the starting resistor 3, the switching contact 71 being open.
  • the switching delay can be extended or shortened, depending on the direction in which the coil 62 is energized.
  • the coil 62 is wound on the same iron core as the coil of the contact opener 7.
  • the coil 62 is wound in the opposite direction to the coil of the contact opener 7 and if it is also energized in the opposite direction, a reverse effect is produced.
  • the effective flooding of the coil of the contact opener 7 is weakened by the flooding of the second coil 62, so that the turn-off time is shortened at a comparable ohmic resistance.
  • ⁇ total ⁇ 7 - ⁇ 62.
  • the Fig. 4 shows in a time-switching diagram various switching states of a control switch 8 on the switching contact 81, the additional relay as the second switching device 7 on the switching contact 41, the current I to the second switching contact 71 and the starter motor. 2
  • the method for operating the circuit arrangement 1 proceeds as follows. At a time T0, the circuit arrangement is at rest. At time T1, the control switch 8 is closed and the voltage Crowstrompfad 30 jumps to the potential voltage P at time T1. Shortly thereafter, at time T2, the voltage at the relay 7 jumps to the potential voltage P and thereby the switching contact 71 is opened, which is a change of state at time T2 in the Fig. 4 is shown. Just below, a time-current curve is shown in dashed line form, as can be measured on the coil of the relay 7. The current increases at time T2 until time T3. At time T3, the switching contact 51 of the first switching device 5 has been closed, so that the starter motor 2 via the main current path 20, the voltage applied.
  • the control switch 8 remains closed until the internal combustion engine 15 is started or another activation is necessary.
  • the control switch 8 is, for example, an ignition key switch or a pulse from the ignition key switch or is controlled by the engine control, for example, for a start-stop operation.
  • the main current path 20 is thus interrupted by the first switching device 5 only when the application of voltage from the control switch 8 is interrupted and thus switched off. Consequently is the starting resistor 3 only briefly charged in case of malfunction or non-functioning of the second switching device 7, the main current path 20, as conventional, closed.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Motor And Converter Starters (AREA)
  • Control Of Direct Current Motors (AREA)

Claims (10)

  1. Montage de circuit (1) pour une machine électrique (2) pour un dispositif de démarrage, comportant un moteur de démarrage (2) pour démarrer un moteur à combustion interne (15) dans un véhicule automobile, un dispositif de limitation de courant (3) pour limiter un courant de démarrage de la machine électrique (2), un dispositif de pontage (4) pour ponter le dispositif de limitation de courant (3), dans lequel le dispositif de pontage (4) peut être directement commuté vers un potentiel élevé d'une source de tension (10) et en série par rapport à la machine électrique (2), le dispositif de pontage (4) comprend un rupteur (7) et le rupteur (7) est situé dans un trajet de courant (83) de manière à commuter un trajet de courant principal (20) de la machine électrique (2), de sorte que le rupteur (7) peut être directement commuté par un commutateur de commande (8) de la machine électrique (2), une tension est appliquée au dispositif de pontage (4) et le trajet de courant principal (20) du moteur de démarrage (2) est ensuite interrompu par le dispositif de pontage (4), dans lequel le trajet de courant principal (20) est fermé par un premier dispositif de commutation (5) comprenant un enroulement d'alimentation (13) et un enroulement de maintien (14), dans lequel l'enroulement d'alimentation (13) côté masse est commuté vers le côté potentiel (21) de la machine électrique (2).
  2. Montage de circuit (1) selon la revendication 1, caractérisé en ce qu'un dispositif de temporisation de commutation (60) est situé derrière le rupteur (7) dans une direction de trajet de courant potentiel-masse dans le trajet de courant.
  3. Montage de circuit (1) selon l'une des revendications 1 ou 2, caractérisé en ce que le dispositif de temporisation de commutation (60) comprend un composant passif, en particulier une bobine (62).
  4. Montage de circuit (1) selon l'une des revendications 1 à 3, caractérisé en ce que le dispositif de temporisation de commutation (60) comprend un composant passif, en particulier une résistance (61).
  5. Montage de circuit (1) selon l'une des revendications 1 à 4, caractérisé en ce que l'montage de circuit (1) comprend un premier dispositif de commutation (5) par l'intermédiaire duquel une tension est appliquée à la machine électrique (2) et dans lequel le trajet de courant (83) du dispositif de pontage (4) est situé en avant d'un dispositif de sécurité (9), en particulier une diode.
  6. Montage de circuit (1) selon l'une des revendications 1 à 5, caractérisé en ce que l'enroulement d'alimentation (13) côté masse est commuté vers le côté potentiel (21) de la machine électrique (2), au niveau d'un noeud de trajet de courant (24) avec la masse du dispositif de pontage (4).
  7. Procédé pour faire fonctionner un montage de circuit (1) pour une machine électrique (2), en particulier pour un dispositif de démarrage (17) comportant un moteur de démarrage (2) pour démarrer un moteur à combustion interne (15), dans un véhicule automobile, un dispositif de limitation de courant (3) pour limiter un courant de démarrage de la machine électrique (2) et un dispositif de pontage (4) pour ponter temporairement le dispositif de limitation de courant (3), dans lequel après l'enclenchement d'un commutateur de commande (8), une tension est appliquée au dispositif de pontage (4) au moyen d'un rupteur (7), et à la suite de quoi un trajet de courant principal (20) du moteur de démarrage (2) est interrompu par le dispositif de pontage (4), dans lequel le trajet de courant principal (20) est fermé par un premier dispositif de commutation (5) et une tension est appliquée à la machine électrique (2) par l'intermédiaire du dispositif de limitation de courant (3), dans lequel à la suite d'une chute de tension sur le moteur de démarrage (2), la tension du dispositif de pontage (4) raccordé en série par rapport à la machine (2) chute, de sorte que le trajet de courant principal (20) est de nouveau fermé par le dispositif de pontage (4) et le dispositif de limitation de courant (3) est ponté, dans lequel le trajet de courant principal (20) est interrompu par le premier dispositif de commutation (5) dès que la tension appliquée par le commutateur de commande (3) est coupée, dans lequel le premier dispositif de commutation (5) comprend un enroulement d'alimentation (13) et un enroulement de maintien (14), dans lequel l'enroulement d'alimentation (13) côté masse est commuté vers le côté potentiel (21) de la machine électrique (2).
  8. Dispositif de démarrage (17) pour démarrer un moteur à combustion interne (15) dans un véhicule automobile, comportant un montage de circuit (1) selon l'une des revendications 1 à 6, comportant un moteur de démarrage (2) et un dispositif de limitation de courant (3) pour limiter un courant de démarrage du moteur de démarrage (2), et un dispositif de pontage (4) pour ponter le dispositif de limitation de courant (3), dans lequel le dispositif de pontage (4) peut être commuté au moyen d'un potentiel élevé d'une source de tension, et le dispositif de pontage (4) est configuré comme un rupteur (7), de préférence comme un relais de commutation.
  9. Dispositif de démarrage (17) selon la revendication 8, dans lequel le dispositif de pontage (4) est configuré comme un composant séparé du moteur de démarrage avec un relais de démarrage faisant office de premier dispositif de commutation.
  10. Dispositif de démarrage selon la revendication 8, dans lequel le dispositif de pontage avec le moteur de démarrage et le relais de démarrage sont dans un boîtier commun ou sont configurés comme un ensemble commun.
EP12702840.5A 2011-02-15 2012-02-09 Circuit, procédé permettant de fonctionnement correspondant et dispositif de démarrage Not-in-force EP2676028B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011004156A DE102011004156A1 (de) 2011-02-15 2011-02-15 Schaltungsanordnung, Verfahren zum Betreiben dafür und Startvorrichtung
PCT/EP2012/052189 WO2012110390A1 (fr) 2011-02-15 2012-02-09 Circuit, procédé permettant de fonctionnement correspondant et dispositif de démarrage

Publications (2)

Publication Number Publication Date
EP2676028A1 EP2676028A1 (fr) 2013-12-25
EP2676028B1 true EP2676028B1 (fr) 2018-05-16

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Application Number Title Priority Date Filing Date
EP12702840.5A Not-in-force EP2676028B1 (fr) 2011-02-15 2012-02-09 Circuit, procédé permettant de fonctionnement correspondant et dispositif de démarrage

Country Status (5)

Country Link
EP (1) EP2676028B1 (fr)
CN (1) CN103380290B (fr)
DE (1) DE102011004156A1 (fr)
HU (1) HUE038271T2 (fr)
WO (1) WO2012110390A1 (fr)

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Publication number Priority date Publication date Assignee Title
DE102015214966A1 (de) * 2015-08-05 2017-02-09 Ellenberger & Poensgen Gmbh Schutzschalter

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Publication number Priority date Publication date Assignee Title
IT1263109B (it) * 1992-03-24 1996-07-30 Magneti Marelli Spa Sistema di avviamento per un motore a combustione interna
DE10100525A1 (de) * 2001-01-08 2002-07-18 Bosch Gmbh Robert Verfahren zur Steuerung von Startmoment und Startleistung einer Verbrennungskraftmaschine
DE102008043546A1 (de) * 2008-11-07 2010-05-12 Robert Bosch Gmbh Strombegrenzungsvorrichtung und Verfahren zum Herstellen einer Strombegrenzungsvorrichtung für eine Steuerung
DE102009027234A1 (de) * 2009-06-26 2010-12-30 Robert Bosch Gmbh Steuervorrichtung für einen elektrischen Hochstromverbraucher, Verfahren zum Betreiben derselben, Computerprogrammprodukt
CN101934790B (zh) * 2009-07-01 2015-10-14 福特环球技术公司 车辆的起动/停止控制的起动中止
DE102009046796A1 (de) * 2009-11-18 2011-05-19 Robert Bosch Gmbh Schaltungsanordnung, Startvorrichtung und Verfahren zum Betreiben der Schaltungsanordnung
DE102009047163A1 (de) * 2009-11-26 2011-06-01 Robert Bosch Gmbh Schaltungsanordnung für eine Startvorrichtung
DE102010030384A1 (de) * 2010-06-23 2011-12-29 Robert Bosch Gmbh Startvorrichtung für Verbrennungsmotoren

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Title
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Also Published As

Publication number Publication date
CN103380290B (zh) 2017-05-17
EP2676028A1 (fr) 2013-12-25
HUE038271T2 (hu) 2018-10-29
WO2012110390A1 (fr) 2012-08-23
DE102011004156A1 (de) 2012-08-16
CN103380290A (zh) 2013-10-30

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