EP0864746A1 - Electronically controlled vehicle starter motor - Google Patents
Electronically controlled vehicle starter motor Download PDFInfo
- Publication number
- EP0864746A1 EP0864746A1 EP98400555A EP98400555A EP0864746A1 EP 0864746 A1 EP0864746 A1 EP 0864746A1 EP 98400555 A EP98400555 A EP 98400555A EP 98400555 A EP98400555 A EP 98400555A EP 0864746 A1 EP0864746 A1 EP 0864746A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- starter
- voltage
- circuit according
- terminal
- intended
- 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
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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
- F02N11/10—Safety devices
-
- 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
Definitions
- the present invention relates to the control of electronically controlled motor vehicle starters.
- a starter D which includes an electric motor M mounted between a terminal B + power supply to battery voltage and ground.
- Electric motor supply is controlled by a contactor 1 mounted between said terminal B + and the motor M.
- This contactor 1 is a relay which includes a plunger core (not shown) actuated by a winding call 2 and a holding coil 3 for pushing and maintain a power contact in the closed position 1a.
- the call winding 2 is mounted between the end of the motor M which is opposite to the ground and the winding 3, said coil 3 being connected to ground by its end opposite.
- the coils 2 and 3 are connected to the source of a transistor 4, for example from field effect type, the drain of which is connected to the terminal B +, via the key switch contact 6.
- This transistor 4 is controlled in all or nothing or progressively, by a microprocessor 5 - also connected to the power supply terminal B + - which injects a control voltage on the gate of transistor 4.
- Ce microprocessor 5 is for example, as illustrated on Figure 1, integrated with relay 1 and transistor 4 to inside the starter housing. He can also be placed outside the starter, in any location of the vehicle.
- such a starter has the advantage of being autonomous, that is to say that it does not have no other electrical connection than those used by non-electronic conventional starters, namely a control cable allowing connection with the key contact 6, a cable for the power supply of the motor M, a return to ground by the carcass of the starter.
- the microprocessor 5 manages several functions. In particular, it controls the automatic starter stop when the vehicle's engine is sufficient launched. Also, it implements protections various; for example, it cuts power to the starter when overloads appear on the motor M or when said motor M is in overspeed; also it cuts the power to the starter when supply overvoltages are generated.
- a first solution that could be considered would consist in providing a sub-circuit allowing, during measurement operations, supplying the coil (s) contactor in parallel with the supply by the transistor 4.
- the solution according to the invention consists of a device for controlling a starter switch motor vehicle with a management unit which manages the starter power supply and which includes means for detecting operating anomalies and cut the starter power when such anomaly is detected, characterized in that the unit of management further comprises means for detecting on a input intended to be connected to the contact switch of the vehicle a signal which commands the inhibition of protective functions.
- This device is used with a circuit intended for be mounted between the management unit and the switch of the vehicle and characterized in that it comprises means to generate a signal which controls the inhibition of protection functions of the management unit.
- FIG 2 there is shown a circuit 7 which is intended to be mounted between the contact switch 6 and an analog / digital converter input of the microprocessor 5 when you want to be able to perform a control on the starter.
- This circuit 7 allows, when closing the contact switch 6, to generate a signal intended to be recognized by microprocessor 5, this being programmed to control when it detects said signal, inhibition of the different functions of starter protection.
- This inhibit control signal can be all kinds for example a voltage signal or of intensity recognizable by its amplitude and / or its duration and / or its frequency and / or its number of pulses and / or by special binary coding, etc.
- the signal generated consists of a voltage calibrated at a level U 0 , which, when the contact switch 6 is closed, is sent for a duration T 0 at the input of the microprocessor 5.
- U 0 is chosen to be greater than that of the minimum operating voltage of the microprocessor 5 and less than the value of the lowest voltage which may appear on the vehicle before the starter is started.
- U 0 is equal to 6 +/- 0.5 volts.
- the duration T 0 during which the input voltage of the microprocessor is maintained at level U 0 is chosen to be large enough to prevent parasitic variations of said voltage from being liable to be confused by the microprocessor 5 with the inhibition control signal .
- T 0 can for example take the value of 20 milliseconds or a higher value.
- the circuit 7 includes a relay 8 whose switch 9 is mounted between on the one hand a terminal F intended to be connected to the contact switch 6 of a starter and other share a terminal E intended to be connected to an input of the microprocessor 5.
- terminal E is for example intended to be connected to the starter terminal D which is normally connected to switch 6.
- the coil of relay 8 - referenced by 10 - is mounted between ground and terminal F, to which it is connected by a resistor R 1 .
- Circuit 7 also includes a Zener diode 11 which is mounted between ground and terminal E, being mass passing towards said terminal.
- a resistor R 2 is mounted in parallel with the switch 8 between the terminals E and F.
- the circuit 7 also includes a capacitor 12 mounted in parallel between the two ends of the winding 8.
- the operator mounts circuit 7 between the contact switch 6 and the starter terminal D which is normally connected to said switch.
- the Zener diode 11 imposes a voltage U 0 at the input of the microprocessor 5, while the relay 8 closes.
- the capacitor 12 allows, if the mechanical inertia of the relay 8 is not sufficient for the switch 9 to close after T 0 , to increase the closing time of said switch.
- the voltage received at the input of the microprocessor 5 when the switch is closed contact 6 is of the type illustrated in FIG. 3.
- the microprocessor 5 implements, each time that it detects the closing of the contact switch 6, a comparison processing on the value of the voltage that it receives as an input to verify whether this voltage takes or not the value U 0 during the duration T 0 (step A in FIG. 4).
- the microprocessor 5 activates the control process of transistor 4, as well as the different protection functions (step B).
- the microprocessor 5 controls the inhibition of the protection functions and the closing of the transistor 4 (step C).
- the solution which has just been described which consists to use a muting signal generation circuit protective functions, has the advantage of allow the starter to be powered off electronic protection functions without requiring additional connectors.
- the interface circuit which has just been described can also be integrated into a test device.
- a testing device could be used indifferently to test the electronic starters and conventional starters.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Electric Motors In General (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Motor And Converter Starters (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
Description
La présente invention est relative au contrôle de démarreurs à commande électronique de véhicule automobile.The present invention relates to the control of electronically controlled motor vehicle starters.
On a illustré sur la figure 1 un démarreur D, qui comporte un moteur électrique M monté entre une borne B+ d'alimentation à la tension de la batterie et la masse.Illustrated in Figure 1 a starter D, which includes an electric motor M mounted between a terminal B + power supply to battery voltage and ground.
L'alimentation du moteur électrique est commandée par un contacteur 1 monté entre ladite borne B+ et le moteur M.Electric motor supply is controlled by a contactor 1 mounted between said terminal B + and the motor M.
Ce contacteur 1 est un relais qui comporte un
noyau plongeur (non représenté) actionné par un bobinage
d'appel 2 et un bobinage de maintien 3 pour pousser et
maintenir en position de fermeture un contact de puissance
1a.This contactor 1 is a relay which includes a
plunger core (not shown) actuated by a
Le bobinage d'appel 2 est monté entre l'extrémité
du moteur M qui est opposée à la masse et le bobinage 3,
ledit bobinage 3 étant relié à la masse par son extrémité
opposée.The call winding 2 is mounted between the end
of the motor M which is opposite to the ground and the winding 3,
said
A leur extrémité commune, les bobinages 2 et 3
sont reliés à la source d'un transistor 4, par exemple de
type à effet de champ, dont le drain est relié à la borne
B+, par l'intermédiaire de l'interrupteur de clé de
contact 6.At their common end, the
Ce transistor 4 est commandé en tout ou rien ou de
façon progressive, par un microprocesseur 5 - également
relié à la borne d'alimentation B+ - qui injecte une
tension de commande sur la grille du transistor 4. Ce
microprocesseur 5 est par exemple, ainsi qu'illustré sur
la figure 1, intégré avec le relais 1 et le transistor 4 à
l'intérieur de la carcasse du démarreur. Il peut également
être disposé hors du démarreur, en un endroit quelconque
du véhicule.This
Comme on l'aura compris, un tel démarreur présente
l'avantage d'être autonome, c'est-à-dire qu'il ne dispose
d'aucune autre liaison électrique que celles utilisées par
les démarreurs conventionnels non électronisés, à savoir
un câble de commande permettant la liaison avec la clé de
contact 6, un câble pour l'alimentation en puissance du
moteur M, un retour à la masse par la carcasse du
démarreur.As will be understood, such a starter has
the advantage of being autonomous, that is to say that it does not have
no other electrical connection than those used by
non-electronic conventional starters, namely
a control cable allowing connection with the
Le microprocesseur 5 gère plusieurs fonctions.
Notamment, il commande l'arrêt automatique du démarreur
lorsque le moteur thermique du véhicule est suffisamment
lancé. Egalement, il met en oeuvre des protections
diverses ; par exemple, il coupe l'alimentation du
démarreur lorsque des surcharges apparaissent sur le
moteur M ou encore lorsque ledit moteur M est en
survitesse ; également, il coupe l'alimentation du
démarreur lorsque des surtensions d'alimentation sont
générées.The
Or, il s'avère que ces différentes protections empêchent de réaliser certains contrôles sur le démarreur.However, it turns out that these different protections prevent certain checks on the starter.
Par exemple, si l'on veut faire une mesure de caractéristique de vitesse du démarreur pour un couple résistant donné, il est nécessaire d'alimenter le démarreur en régime stabilisé pendant quelques secondes, ce qui se traduit par des variations de tension ou d'intensité. Si précisément le microprocesseur est programmé pour détecter les anomalies de fonctionnement en observant les variations de tension ou d'intensité, ceci provoque un arrêt du démarreur en quelques dixièmes de secondes. La mesure est alors impossible.For example, if you want to measure starter speed characteristic for torque given resistance, it is necessary to supply the starter in steady state for a few seconds, which results in voltage variations or intensity. If precisely the microprocessor is programmed to detect operating anomalies in observing variations in voltage or intensity, this causes the starter to stop within a few tenths of seconds. The measurement is then impossible.
Une première solution qui pourrait être envisagée
consisterait à prévoir un sous-circuit permettant, lors
des opérations de mesure, d'alimenter la ou les bobines de
contacteur en parallèle à l'alimentation par le transistor
4.A first solution that could be considered
would consist in providing a sub-circuit allowing, during
measurement operations, supplying the coil (s)
contactor in parallel with the supply by the
Mais cette solution nécessiterait, outre un câblage complémentaire, une borne supplémentaire sur le démarreur. Il en résulterait un coût et un encombrement supplémentaires importants. But this solution would require, in addition to a additional wiring, an additional terminal on the starter. This would result in cost and bulk additional important.
La solution selon l'invention consiste en un dispositif pour la commande d'un contacteur de démarreur de véhicule automobile comportant une unité de gestion qui gère l'alimentation du démarreur et qui comporte des moyens pour détecter des anomalies de fonctionnement et couper l'alimentation du démarreur lorsqu'une telle anomalie est détectée, caractérisé en ce que l'unité de gestion comporte en outre des moyens pour détecter sur une entrée destinée à être reliée à l'interrupteur de contact du véhicule un signal qui commande l'inhibition des fonctions de protection.The solution according to the invention consists of a device for controlling a starter switch motor vehicle with a management unit which manages the starter power supply and which includes means for detecting operating anomalies and cut the starter power when such anomaly is detected, characterized in that the unit of management further comprises means for detecting on a input intended to be connected to the contact switch of the vehicle a signal which commands the inhibition of protective functions.
Ce dispositif s'utilise avec un circuit destiné à être monté entre l'unité de gestion et l'interrupteur du véhicule et caractérisé en ce qu'il comporte des moyens pour générer un signal qui commande l'inhibition des fonctions de protection de l'unité de gestion.This device is used with a circuit intended for be mounted between the management unit and the switch of the vehicle and characterized in that it comprises means to generate a signal which controls the inhibition of protection functions of the management unit.
D'autres caractéristiques et avantages de l'invention ressortiront encore de la description qui suit. Cette description est purement illustrative et non limitative. Elle doit être lue en regard des dessins annexés sur lesquels :
- la figure 1, déjà analysée, représente schématiquement un démarreur comportant un dispositif de commande électronisé ;
- la figure 2 est un schéma analogue à celui de la figure 1 sur lequel on a représenté un démarreur du type de celui de la figure 1 et un circuit pour la génération d'un signal de commande d'inhibition des fonctions de protection du démarreur monté entre l'unité de gestion du démarreur et l'interrupteur de contact du véhicule ;
- la figure 3 est un graphe sur lequel on a représenté un exemple de signal de commande d'inhibition possible ;
- la figure 4 est un organigramme qui présente différentes étapes du traitement mis en oeuvre par le microprocesseur du démarreur de la figure 2.
- FIG. 1, already analyzed, schematically represents a starter comprising an electronic control device;
- Figure 2 is a diagram similar to that of Figure 1 in which there is shown a starter of the type of that of Figure 1 and a circuit for the generation of a control signal inhibition of the protection functions of the starter mounted between the starter management unit and the vehicle contact switch;
- FIG. 3 is a graph on which an example of a possible inhibition control signal has been shown;
- FIG. 4 is a flow diagram which presents different stages of the processing implemented by the microprocessor of the starter of FIG. 2.
Sur la figure 2, on a représenté un circuit 7 qui
est destiné à être monté entre l'interrupteur de contact 6
et une entrée à convertisseur analogique/numérique du
microprocesseur 5 lorsque l'on veut pouvoir effectuer un
contrôle sur le démarreur.In Figure 2, there is shown a
Ce circuit 7 permet, à la fermeture de
l'interrupteur de contact 6, de générer un signal destiné
à être reconnu par le microprocesseur 5, celui-ci étant
programmé de façon à commander, lorsqu'il détecte ledit
signal, l'inhibition des différentes fonctions de
protection du démarreur.This
Ce signal de commande d'inhibition peut être de toutes sortes, par exemple un signal de tension ou d'intensité reconnaissable à son amplitude et/ou sa durée et/ou sa fréquence et/ou son nombre d'impulsions et/ou par un codage binaire particulier, etc.This inhibit control signal can be all kinds for example a voltage signal or of intensity recognizable by its amplitude and / or its duration and / or its frequency and / or its number of pulses and / or by special binary coding, etc.
Dans l'exemple du circuit illustré sur la figure
2, le signal généré consiste en une tension calibrée à un
niveau U0, qui, à la fermeture de l'interrupteur de
contact 6, est envoyée pendant une durée T0 en entrée du
microprocesseur 5.In the example of the circuit illustrated in FIG. 2, the signal generated consists of a voltage calibrated at a level U 0 , which, when the
La valeur de U0 est choisie supérieure à celle de
la tension minimale de fonctionnement du microprocesseur 5
et inférieure à la valeur de la tension la plus faible
pouvant apparaítre sur le véhicule avant la mise en marche
du démarreur.The value of U 0 is chosen to be greater than that of the minimum operating voltage of the
Par exemple, U0 est égale à 6 +/- 0,5 volts.For example, U 0 is equal to 6 +/- 0.5 volts.
La durée T0 pendant laquelle la tension en entrée
du microprocesseur est maintenue au niveau U0 est choisie
suffisamment grande pour éviter que des variations
parasites de ladite tension ne soient susceptibles d'être
confondues par le microprocesseur 5 avec le signal de
commande d'inhibition. The duration T 0 during which the input voltage of the microprocessor is maintained at level U 0 is chosen to be large enough to prevent parasitic variations of said voltage from being liable to be confused by the
T0 peut par exemple prendre la valeur de 20 millisecondes ou une valeur supérieure.T 0 can for example take the value of 20 milliseconds or a higher value.
Dans l'exemple illustré sur la figure 2, le
circuit 7 comporte un relais 8 dont l'interrupteur 9 est
monté entre d'une part une borne F destinée à être reliée
à l'interrupteur de contact 6 d'un démarreur et d'autre
part une borne E destinée à être reliée à une entrée du
microprocesseur 5.In the example illustrated in Figure 2, the
Plus précisément, la borne E est par exemple destinée à être reliée à la borne du démarreur D qui est normalement reliée à l'interrupteur 6.More precisely, the terminal E is for example intended to be connected to the starter terminal D which is normally connected to switch 6.
Le bobinage du relais 8 - référencé par 10 - est montée entre la masse et la borne F, à laquelle il est relié par une résistance R1.The coil of relay 8 - referenced by 10 - is mounted between ground and terminal F, to which it is connected by a resistor R 1 .
Le circuit 7 comporte également une diode Zéner 11
qui est montée entre la masse et la borne E, en étant
passante de la masse vers ladite borne.
Une résistance R2 est montée en parallèle à l'interrupteur 8 entre les bornes E et F.A resistor R 2 is mounted in parallel with the switch 8 between the terminals E and F.
Le circuit 7 comporte également un condensateur 12
monté en parallèle entre les deux extrémités du bobinage
8.The
Lorsqu'il veut réaliser un contrôle sur le
démarreur D, l'opérateur monte le circuit 7 entre
l'interrupteur de contact 6 et la borne du démarreur D qui
est normalement reliée audit interrupteur.When he wants to carry out a check on the
starter D, the
A la fermeture de l'interrupteur de contact 6, la
diode Zéner 11 impose en entrée du microprocesseur 5 une
tension U0, le temps que le relais 8 se ferme. Le
condensateur 12 permet, si l'inertie mécanique du relais 8
n'est pas suffisante pour que l'interrupteur 9 se ferme au
bout de T0, d'augmenter le temps de fermeture dudit
interrupteur.When the
Puis, lorsque l'interrupteur 9 est fermé, la borne E est alimentée à la tension B+.Then, when the switch 9 is closed, the terminal E is supplied at voltage B +.
Par conséquent, la tension reçue en entrée du
microprocesseur 5 à la fermeture de l'interrupteur de
contact 6 est du type de celle illustrée sur la figure 3.Consequently, the voltage received at the input of the
Pour détecter un tel signal, le microprocesseur 5
met en oeuvre, à chaque fois qu'il détecte la fermeture de
l'interrupteur de contact 6, un traitement de comparaison
sur la valeur de la tension qu'il reçoit en entrée pour
vérifier si cette tension prend ou non la valeur U0
pendant la durée T0 (étape A sur la figure 4).To detect such a signal, the
Si ce n'est pas le cas, le microprocesseur 5
active le processus de commande du transistor 4, ainsi que
les différentes fonctions de protection (étape B).If not, the
Par contre si la tension reçue en entrée par le
microprocesseur 5 est effectivement au niveau U0 pendant
la durée T0, le microprocesseur 5 commande l'inhibition
des fonctions de protection et la fermeture du transistor
4 (étape C).On the other hand, if the voltage received at input by the
La solution qui vient d'être décrite, qui consiste à utiliser un circuit de génération de signal d'inhibition des fonctions de protection, présente l'avantage de permettre de réaliser une alimentation du démarreur hors fonctions électroniques de protection sans nécessiter de connectique supplémentaire.The solution which has just been described, which consists to use a muting signal generation circuit protective functions, has the advantage of allow the starter to be powered off electronic protection functions without requiring additional connectors.
Le circuit d'interface qui vient d'être décrit peut en outre être intégré à un dispositif d'essai. On notera qu'un tel dispositif d'essai pourrait être utilisé indifféremment pour tester les démarreurs électronisés et les démarreurs conventionnels.The interface circuit which has just been described can also be integrated into a test device. We note that such a testing device could be used indifferently to test the electronic starters and conventional starters.
Claims (10)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9703091 | 1997-03-14 | ||
| FR9703091A FR2760909B1 (en) | 1997-03-14 | 1997-03-14 | CONTROL OF MOTOR VEHICLE ELECTRONICALLY CONTROLLED STARTERS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0864746A1 true EP0864746A1 (en) | 1998-09-16 |
| EP0864746B1 EP0864746B1 (en) | 2002-12-11 |
Family
ID=9504781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98400555A Expired - Lifetime EP0864746B1 (en) | 1997-03-14 | 1998-03-10 | Electronically controlled vehicle starter motor |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6078486A (en) |
| EP (1) | EP0864746B1 (en) |
| DE (1) | DE69809985T2 (en) |
| ES (1) | ES2189105T3 (en) |
| FR (1) | FR2760909B1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2808630B1 (en) * | 2000-04-13 | 2002-10-25 | Peugeot Citroen Automobiles Sa | MULTI-VOLTAGE ELECTRICAL SUPPLY CIRCUIT FOR MOTOR VEHICLE |
| FR2814503B1 (en) * | 2000-09-28 | 2002-11-22 | Valeo Equip Electr Moteur | DEVICE FOR CONTROLLING A STARTER MOTOR, PARTICULARLY A MOTOR VEHICLE |
| JP3831191B2 (en) * | 2000-10-13 | 2006-10-11 | 株式会社東海理化電機製作所 | Vehicle engine starter and engine start method |
| DE102004029895B4 (en) * | 2004-06-17 | 2014-03-13 | Volkswagen Ag | Device and method for controlling the starting process in a motor vehicle |
| US20080264374A1 (en) * | 2007-04-30 | 2008-10-30 | Caterpillar Inc. | Fail-safe starter control system |
| FI123903B (en) * | 2012-10-24 | 2013-12-13 | Waertsilae Finland Oy | Liquid detection system of an internal combustion engine |
| SE542023C2 (en) * | 2018-06-20 | 2020-02-11 | Scania Cv Ab | An arrangement and a method for protection against abnormal currents in a starter motor circuit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4231073A (en) * | 1978-11-08 | 1980-10-28 | Suchko Adam J | Automatic improved engine control system containing both solid state circuits and relays |
| US4490620A (en) * | 1983-09-12 | 1984-12-25 | Eaton Corporation | Engine starter protective and control module and system |
| US4862010A (en) * | 1987-05-28 | 1989-08-29 | Mitsubishi Denki Kabushiki Kaisha | Method of starting engine and apparatus therefor |
| US4994683A (en) * | 1988-04-01 | 1991-02-19 | Mitsubishi Denki Kabushiki Kaisha | Starter protective device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3870954A (en) * | 1973-10-09 | 1975-03-11 | Rca Corp | Starter system fault detector |
| US3996499A (en) * | 1974-09-09 | 1976-12-07 | Westinghouse Electric Corporation | Zener diode effect on long acceleration module |
| US5343351A (en) * | 1991-11-18 | 1994-08-30 | Electro-Tech, Inc. | Starter motor protection circuit with relay protection |
| US5583420A (en) * | 1993-10-01 | 1996-12-10 | Lucas Aerospace Power Equipment Corporation | Microprocessor controller for starter/generator |
| US5701089A (en) * | 1995-10-12 | 1997-12-23 | Autozone, Inc. | Alternator/starter testing device |
-
1997
- 1997-03-14 FR FR9703091A patent/FR2760909B1/en not_active Expired - Fee Related
-
1998
- 1998-03-10 DE DE69809985T patent/DE69809985T2/en not_active Expired - Lifetime
- 1998-03-10 ES ES98400555T patent/ES2189105T3/en not_active Expired - Lifetime
- 1998-03-10 EP EP98400555A patent/EP0864746B1/en not_active Expired - Lifetime
- 1998-03-13 US US09/042,258 patent/US6078486A/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4231073A (en) * | 1978-11-08 | 1980-10-28 | Suchko Adam J | Automatic improved engine control system containing both solid state circuits and relays |
| US4490620A (en) * | 1983-09-12 | 1984-12-25 | Eaton Corporation | Engine starter protective and control module and system |
| US4862010A (en) * | 1987-05-28 | 1989-08-29 | Mitsubishi Denki Kabushiki Kaisha | Method of starting engine and apparatus therefor |
| US4994683A (en) * | 1988-04-01 | 1991-02-19 | Mitsubishi Denki Kabushiki Kaisha | Starter protective device |
Also Published As
| Publication number | Publication date |
|---|---|
| DE69809985D1 (en) | 2003-01-23 |
| DE69809985T2 (en) | 2003-07-24 |
| FR2760909A1 (en) | 1998-09-18 |
| ES2189105T3 (en) | 2003-07-01 |
| EP0864746B1 (en) | 2002-12-11 |
| FR2760909B1 (en) | 1999-05-28 |
| US6078486A (en) | 2000-06-20 |
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