EP0031165B1 - Dispositif pour l'économie de carburant pendant des arrêts momentanés d'un véhicule - Google Patents

Dispositif pour l'économie de carburant pendant des arrêts momentanés d'un véhicule Download PDF

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Publication number
EP0031165B1
EP0031165B1 EP80108088A EP80108088A EP0031165B1 EP 0031165 B1 EP0031165 B1 EP 0031165B1 EP 80108088 A EP80108088 A EP 80108088A EP 80108088 A EP80108088 A EP 80108088A EP 0031165 B1 EP0031165 B1 EP 0031165B1
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EP
European Patent Office
Prior art keywords
relay
ignition
engine
starter
switched
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.)
Expired
Application number
EP80108088A
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German (de)
English (en)
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EP0031165A1 (fr
Inventor
Wolfgang H. Weimer
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Individual
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Individual
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Publication date
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Priority to AT80108088T priority Critical patent/ATE5668T1/de
Publication of EP0031165A1 publication Critical patent/EP0031165A1/fr
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Publication of EP0031165B1 publication Critical patent/EP0031165B1/fr
Expired 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
    • F02N11/0803—Circuits or control means specially adapted for starting of engines characterised by means for initiating engine start or stop
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D17/00—Controlling engines by cutting out individual cylinders; Rendering engines inoperative or idling
    • F02D17/04—Controlling engines by cutting out individual cylinders; Rendering engines inoperative or idling rendering engines inoperative or idling, e.g. caused by abnormal conditions
    • 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

Definitions

  • the invention relates to a device for saving fuel when stopping motor vehicles for a short time, in which the ignition is temporarily switched off, a button and a relay exclusively being assigned to this device being provided, the winding of which, on the one hand, is connected to the positive pole of the battery via the ignition lock can be brought, and on the other hand the connection to the mass is established or interrupted by the action of a unit operated by the engine depending on whether a given engine speed is exceeded or undercut.
  • a starting aid for internal combustion engines with fuel injection has also become known, in which, after unsuccessful starting (for example with a cold engine), starting again is only possible after a predetermined time has elapsed.
  • the ignition system and / or the fuel supply is switched off automatically when the vehicle comes to a standstill.
  • this device is not suitable for driving, especially in cities, because if the engine is brought to a standstill every time the vehicle comes to a standstill, the starter must first be actuated when starting again.
  • the engine, starter and battery if in a short, z. B. the engine is stopped only for a few seconds. The resulting inconvenience when driving a motor vehicle equipped with this device prevents motor vehicle owners from equipping their vehicle with such a system.
  • DE-GM 7 927 688 discloses a device in which the motor is brought to a standstill or set in motion when the transmission is actuated.
  • the engine is automatically switched off after a predetermined time.
  • DE-AS 2 158 095 describes a parking and starting control device for motor vehicles; in this the vehicle is braked in a conventional manner, the clutch pedal must be depressed and released when the vehicle is at a standstill.
  • the accelerator pedal must be operated when the clutch pedal is released (the engine continues to run as long as the clutch pedal is not released).
  • DE-AS 2803 145 describes a method for automatically switching off and restarting an internal combustion engine.
  • the vehicle must be slowed down so that a minimum speed of approx. 3 km / h. is undershot, and the engine is then switched off.
  • the engine can only be restarted when the accelerator and clutch pedals are operated and the engine speed is very low. After starting the vehicle, it is not possible to switch off the engine immediately.
  • DE-B-2 332 627 shows a solution to this problem.
  • a manually operated stop button that controls a self-holding circuit breaker device and also a manually operated start button: it is available.
  • the stop button must be pressed to stop the engine until the engine oil pressure has dropped by a predetermined value and this is indicated by a control lamp lighting up.
  • the self-holding of the operating circuit interruption device only takes effect when the indicator light comes on. Only then can the engine be restarted by pressing the start button.
  • This known device has the disadvantage that the stop button is not only pressed briefly, but must be pressed until the oil pressure has dropped significantly. This can sometimes take a long time, especially if the engine is still cold or the engine is running at high speed before it is switched off and / or if the engine is diesel fueled. Since the driver has to watch the indicator light so that he knows when to release the stop button, his attention is distracted from the observation of the traffic situation during this time, which is disadvantageous. This observation is important because if the release button is released too early or accidentally released, the engine can continue to run - i.e. the shutdown process is interrupted.
  • the driver can only repeat the starting process as long as the indicator light, which is controlled by a time relay with a predefined time, lights up. If this predetermined time has elapsed, the engine cannot be started by pressing the start button again, but the cancel button must be operated beforehand, which complicates handling.
  • this relay assumes one of two predetermined positions and the arrangement is such that actuation of the button as a function of the position predetermined by the respective engine speed (attracted or dropped off) of the relay either via an additional relay, the ignition is interrupted and a self-holding circuit for this relay becomes effective, or the starter relay is actuated, whereby the additional relay is released from self-holding and thus switches the ignition on again.
  • the device according to the invention has the advantage that the stop button is actuated only briefly to stop the engine, that is, it only has to be tapped, and a self-holding circuit, which interrupts the ignition circuit of the engine, becomes effective. It is therefore no longer necessary to observe a control lamp when the switch is pressed. As soon as the engine comes to a standstill, it can be started again by pressing the start button - regardless of whether it was turned off by pressing the stop button or whether it came to a standstill for other reasons (e.g. dead or stalled). There is therefore no indicator light to be observed either during the parking process or during the starting process, and the driver can devote his full attention to the traffic situation.
  • the relay (11) only takes one of two predetermined positions depending on the respective state of the engine (operating state or standstill), there is the possibility of equipping the device with a single button, so that this - depending on current operating state of the engine - either initiates the shutdown or starts the engine.
  • the device according to the invention shown in FIG. 1 consists of a button 1 surrounded by a dashed line and a device 2 surrounded by a dashed line, designed as a compact unit.
  • the battery 3, the ignition lock 4, the ignition coil 5 and the starter 6 and the alternator 7 is shown symbolically.
  • the device 2 contains an ignition relay 10 with a changeover contact, a changeover relay 11 with a changeover contact and a starter relay 12 with a changeover contact and a make contact. These three relays are shown in the rest position, i.e. when the relay coil is not energized. The position of the relays shown in the figure applies both to the case that the engine is running with the ignition switched on and to the case that the engine is stopped when the ignition is not switched on.
  • a diode 14 is switched on, which is permeable to a current flow to the alternator and thus to the ground, but blocks an opposite current flow.
  • a resistor 15 is connected in series with this diode 14 and limits the current flow flowing through this diode.
  • a diode 16 is connected with such a forward direction that only a current flow from the normally closed contact 11 R to the named end of the relay winding possible, but is blocked in the opposite direction.
  • a diode 17 between the connectable to the positive pole of the battery 3 end of the relay winding of the ignition relay 10 on the one hand and the normally closed contact 11 R of the changeover relay 11 on the other hand with such forward direction that only a current flow from this normally closed contact to the ignition relay 10 is possible , but is blocked in the opposite direction.
  • the respective position of the changeover relay 11 depends on whether the voltage generated by the alternator 7 exceeds a predetermined minimum value or not.
  • one end of the changeover relay 11 is connected to the positive pole 3 via the ignition lock 4; since the alternator 7 supplies voltage and positive voltage is present on the side of the diode facing away from the relay winding of the switching relay 11, no current can flow through the diode 14 and thus through the relay winding of the relay 11.
  • the relay contacts have the position shown in the figure, and actuation of the button 1 causes the ignition relay 10 to pull up and thus an interruption in the power supply to the ignition coil 5.
  • the alternator no longer emits voltage and current flows from the positive pole of the battery via the ignition lock 4, the relay winding of the changeover relay 11 and the diode 14 to the alternator 7 and through this to the ground.
  • the changeover relay picks up and the normally open contact 1 A is connected to the normally open contact 11 A. If button 1 is now pressed in this switching state, then current flows from the positive pole of the battery 3 via the ignition lock 4 to the normally open contact 11 A and through the relay winding of the starter relay 12 to the negative pole of the battery. Characterized the starter relay 12 will attract and close the normally open contact 12 A, whereby the starter 6 is connected to the positive pole of the battery 3 and thus switched on.
  • the changeover contact of the starter relay 12 is moved from the position shown to the other position, thereby interrupting the self-holding circuit of the ignition relay 10 previously effected via the normally closed contact 12 R, so that the ignition relay 10 drops out and current can thus flow to the ignition coil 5 again.
  • the clutch is depressed and the button pressed briefly until the engine starts.
  • the foot brake should be activated by pressing a button while starting. This is followed by a normal start.
  • the button has a double function. If the engine is stopped, pressing the button starts the engine using the starter. If the engine is running, the engine is switched off by pressing the button.
  • the starter relay 12 is replaced in the device 2 by a starter relay 12 'with a normally open contact and a starter changeover relay 12 "with a changeover contact .
  • the current flows from the positive pole of the battery via the ignition switch 4 to the normally open contact 11 A and via the diode 19 and the relay winding of the starter change-over relay 12 "with the motor stopped and the switching relay 11 thus attracted, via the diode 14, the resistor 15 to the alternator 7 and through this to the ground
  • the relay winding 12 'to contact 12 "A After switching the changeover contact from 12 "R to 12" A there is an additional current flow from contact 11A via diode 18, the relay winding 12 'to contact 12 "A and from there to the crowd.
  • the self-latching of the starting relay 12 ' is effected simultaneously via the diode 20.
  • a diode 21 is also provided, which prevents the voltage potential at the switching relay 11 mentioned above in connection with FIG. 1 from being influenced by the current flow through the starting relay 12 '.
  • the embodiment shown in Figure 4 is a variant of the embodiment shown in Figure 2. It differs from this essentially in that two separate buttons are provided instead of the change button 1 ', namely a button 1 (analogous to FIG. 1) and a further button 1 ". While the button 1 in the embodiments according to FIGS 3 causes both the engine to be switched off and restarted, this button 1 in FIG. 4 only serves to switch off the engine. The button 1 "is used to restart the engine. This button 1 "receives voltage only after the button 1 is actuated by the fact that the switching relay 11 and the ignition relay 10 attract and the contacts 11 A and 10 A are closed.
  • a self-holding circuit of the starter relay 12 ' is provided.
  • the self-latching of the starter relay 12 ' is established with a current flow of 12'A via the diode 20 via the starter switch relay 12 ".
  • the diodes 18 and 14 have the same function as the diodes 19 and 14 (in the exemplary embodiment in FIG. 3 already described).

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Claims (11)

1. Dispositif pour économiser le carburant en cas d'arrêts de courtes durées d'un véhicule automobile, par coupure temporaire du circuit d'allumage, comprenant un bouton de commande (1) directement associé et exclusivement réservé au dit dispositif, et un relais (11) dont une extrémité peut être reliée au pôle positif de la batterie par l'intermédiaire du contact d'allumage (4), et dont la connection à la masse à partir de l'autre extrémité de l'enroulement est établie ou interrompue sous l'effet d'une génératrice (7) entraînée par le moteur par une commande en provenance de la dite génératrice, suivant que la vitesse de rotation du moteur est respectivement supérieure ou inférieure à une valeur préfixée, CARACTERISEE EN CE QUE: le de dit relais (11) est positionné dans l'une des deux positions qu'il peut prendre, et l'arrangement est tel que sous l'effet de la commande (1, respectivement 1', respectivement 1"), en fonction de la position (ouvert, fermé) du relais (11) qui dépend de la vitesse du moteur, le circuit d'allumage par l'action du relais intermédiaire (10) est coupé tout en fermant un circuit d'automaintient du dit relais, ou bien le démarreur (6) est commandé par l'intermédiaire d'auto-maintient du relais (10) de telle manière que le circuit d'allumage soit rétabli. manière que le circuit d'allumage soit rétabli.
2. Dispositif suivant revendication 1 caractérisé en ce que le passage à la vitesse de rotation minimum préfixée est déterminé en fonction d'une tension minimum de la génératrice électrique couplée au moteur.
3. Dispositif suivant revendication 1 caractérisé en ce que le relais du démarreur (12) est composé de deux parties (12' et 12") dont l'une consiste en un relais à auto-maintient et l'autre en un relais qui interrompt le circuit d'auto-maintient du premier relais lorsque une vitesse de rotation minimum du moteur est atteinte (Fig. 3 et4).
4. Dispositif suivant revendication 1 caractérisé en ce que le relais d'allumage (10) est un relais d'automaintient.
5. Dispositif suivant revendication 1 caractérisé en ce que le relais du démarreur (12) a la forme d'un double relais dans lequel on trouve un contact dit de travail (12A) utilisé pour relier la batterie (3) au démarreur (6), et un contact interrupteur (12R) qui interrompt l'auto-maintient du relais d'allumage (10) (Fig. 1 et 2).
6. Dispositif suivant revendication 1 caractérisé en ce que une diode (14) est intercalée dans le circuit allant vers la génératrice électrique (7), la dite diode permettant le passage d'un courant vers la génératrice et donc vers la masse, et interdisant le passage d'un courant inverse, et en ce que, de préférence, une résistance (15) limitant le courant est insérée en série avec la dite diode (14).
7. Dispositif suivant revendication 1 caractérisé en ce que une diode (16) est intercalée entre d'une part l'extrémité de l'enroulement du relais (11) opposée à celle connectée au pôle positif de la batterie (3), et d'autre part le contact de repos de ce relais (11), de telle manière que seul le passage du courant dans le sens contact de repos (11R) vers l'extrémité de l'enroulement indiquée est possible, le passage du courant inverse étant bloqué (Fig. 1 et 3).
8. Dispositif suivant revendication 1 caractérisé en ce que une diode (17) est intervalée entre d'une part l'extrémité de l'enroulement du relais d'allumage (10) connectée au pôle positif de la batterie (3), et d'autre part le contact de repos (11R) du relais (11), de telle manière que seul le passage du courant dans le sens contact de repos indiqué vers le relais d'allumage (10) est possible, le passage du courant inverse étant bloqué (Fig. 1 et 3).
9. Dispositif suivant revendication 1 caractérisé en ce que deux boutons de commande (1 et 1") sont prévus, dont l'un a pour but de couper le circuit d'allumage et l'autre met en circuit le démarreur (6) respectivement le relais du démarreur (12) lorsque la vitesse de rotation minimum préfixée est atteinte (Fig. 4).
10. Dispositif suivant revendication 1, comprenant un bouton de commande (1, respectivement 1') et un élément constructif séparé indépendant (2), caractérisé en ce que cet élément constructif comprend des bornes de contact pour les liaisons avec la génératrice électrique (7), le démarreur (6), la bobine d'allumage (5), la borne du contact d'allumage (4) opposée à celle connectée au pôle positif de la batterie (3), le conducteur allant vers le bouton de commande (1, respectivement 1'), ainsi qu'au moins une borne de connection pour le pôle positif de la batterie, et de préférence deux bornes pour les pôles positifs et négatifs de la batterie (3).
11. Dispositif suivant revendication 1 caractérisé en ce que un des deux relais élémentaires (respectivement 12'et 12" dans les figures 3 et 4) est relié au point milieu de deux diodes têtes-bèches (18 et 20), et que ces deux diodes en série sont reliées d'une part au conducteur conduisant au démarreur et d'autre part au contact (respectivement 1A et 1 "A) du bouton de commande de démarrage (respectivement 1 et 1 ") qui est mis sous tension lorsque ce bouton de commande est actionné.
EP80108088A 1979-12-24 1980-12-20 Dispositif pour l'économie de carburant pendant des arrêts momentanés d'un véhicule Expired EP0031165B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80108088T ATE5668T1 (de) 1979-12-24 1980-12-20 Vorrichtung zur einsparung von kraftstoff beim kurzzeitigen anhalten von kraftfahrzeugen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792952356 DE2952356A1 (de) 1979-12-24 1979-12-24 Vorichtung zur einsparung von kraftstoff bei kraftfahrzeugen
DE2952356 1979-12-24

Publications (2)

Publication Number Publication Date
EP0031165A1 EP0031165A1 (fr) 1981-07-01
EP0031165B1 true EP0031165B1 (fr) 1983-12-21

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EP80108088A Expired EP0031165B1 (fr) 1979-12-24 1980-12-20 Dispositif pour l'économie de carburant pendant des arrêts momentanés d'un véhicule

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EP (1) EP0031165B1 (fr)
AT (1) ATE5668T1 (fr)
DE (2) DE2952356A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0314611A1 (fr) * 1987-08-29 1989-05-03 Imre Gregosits Dispositif de commande pour automatisme d'arrêt et de marche
FR2892470B1 (fr) * 2005-10-21 2010-10-08 Jimmy Eugenie Labylle Systeme de demarrage a impulsion unique pour moteur thermique
DE102010029210B4 (de) * 2010-05-21 2015-06-11 Robert Bosch Gmbh Verfahren und Vorrichtung zum Starten und Stoppen einer Brennkraftmaschine

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2158095B2 (de) * 1970-12-25 1973-02-15 Toyota Jidosha Hanbai K K , Nagoya, Aichi (Japan) Abstell- und anlassteuervorrichtung fuer brennkraftmaschinen zum antrieb von fahrzeugen
FR2171629A5 (fr) * 1972-02-01 1973-09-21 Bretagne Atel Chantiers
US3779349A (en) * 1971-12-10 1973-12-18 Nissan Motor Vehicular air-pollution preventive apparatus
DE2251837A1 (de) * 1972-10-21 1974-05-02 Porsche Ag Kraftfahrzeug
CH577111A5 (en) * 1973-11-30 1976-06-30 Equey Robert Automatic stop and start appts. for vehicle engine - has vehicle component rotation detector and comparator with reference oscillator
FR2303952A1 (fr) * 1975-03-13 1976-10-08 Hemonnot Louis Dispositif pour la commande automatique du moteur de vehicules routiers
DE2332627B2 (de) * 1972-07-25 1979-05-23 Paul Zuerich Schmidli (Schweiz) Vorrichtung zum kurzzeitigen Abstellen und Wiederanlassen eines Fahrzeug-Verbrennungsmotors
DE2517906B2 (de) * 1975-04-23 1979-06-28 Adam Opel Ag, 6090 Ruesselsheim Schaltungsanordnung zum automatischen zeitweiligen Abstellen von Verbrennungsmotoren in Kraftfahrzeugen
DE2803145A1 (de) * 1978-01-25 1979-07-26 Bosch Gmbh Robert Verfahren und einrichtung zum automatischen abstellen und erneuten starten eines motors zur kraftstoffeinsparung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7927688U1 (de) * 1979-09-28 1980-08-14 Achterholt, Rainer, 8963 Waltenhofen Kraftfahrzeug mit elektronischer motorabschaltvorrichtung

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2158095B2 (de) * 1970-12-25 1973-02-15 Toyota Jidosha Hanbai K K , Nagoya, Aichi (Japan) Abstell- und anlassteuervorrichtung fuer brennkraftmaschinen zum antrieb von fahrzeugen
US3779349A (en) * 1971-12-10 1973-12-18 Nissan Motor Vehicular air-pollution preventive apparatus
FR2171629A5 (fr) * 1972-02-01 1973-09-21 Bretagne Atel Chantiers
DE2332627B2 (de) * 1972-07-25 1979-05-23 Paul Zuerich Schmidli (Schweiz) Vorrichtung zum kurzzeitigen Abstellen und Wiederanlassen eines Fahrzeug-Verbrennungsmotors
DE2251837A1 (de) * 1972-10-21 1974-05-02 Porsche Ag Kraftfahrzeug
CH577111A5 (en) * 1973-11-30 1976-06-30 Equey Robert Automatic stop and start appts. for vehicle engine - has vehicle component rotation detector and comparator with reference oscillator
FR2303952A1 (fr) * 1975-03-13 1976-10-08 Hemonnot Louis Dispositif pour la commande automatique du moteur de vehicules routiers
DE2517906B2 (de) * 1975-04-23 1979-06-28 Adam Opel Ag, 6090 Ruesselsheim Schaltungsanordnung zum automatischen zeitweiligen Abstellen von Verbrennungsmotoren in Kraftfahrzeugen
DE2803145A1 (de) * 1978-01-25 1979-07-26 Bosch Gmbh Robert Verfahren und einrichtung zum automatischen abstellen und erneuten starten eines motors zur kraftstoffeinsparung

Also Published As

Publication number Publication date
DE3065961D1 (en) 1984-01-26
DE2952356A1 (de) 1981-07-02
EP0031165A1 (fr) 1981-07-01
ATE5668T1 (de) 1984-01-15

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