EP0829642A1 - Procédé pour détecter la phase d'allumage d'un cylindre d'un moteur à combustion interne - Google Patents
Procédé pour détecter la phase d'allumage d'un cylindre d'un moteur à combustion interne Download PDFInfo
- Publication number
- EP0829642A1 EP0829642A1 EP97420161A EP97420161A EP0829642A1 EP 0829642 A1 EP0829642 A1 EP 0829642A1 EP 97420161 A EP97420161 A EP 97420161A EP 97420161 A EP97420161 A EP 97420161A EP 0829642 A1 EP0829642 A1 EP 0829642A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ignition
- spark
- magnetic circuit
- voltage
- spark plug
- 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
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P15/00—Electric spark ignition having characteristics not provided for in, or of interest apart from, groups F02P1/00 - F02P13/00 and combined with layout of ignition circuits
- F02P15/08—Electric spark ignition having characteristics not provided for in, or of interest apart from, groups F02P1/00 - F02P13/00 and combined with layout of ignition circuits having multiple-spark ignition, i.e. ignition occurring simultaneously at different places in one engine cylinder or in two or more separate engine cylinders
Definitions
- the present invention relates to the technical field of heat engines internal combustion and more particularly, spark ignition engines, through candles.
- the invention relates, more specifically, to the ignition system fitted to such motors and commonly called "static twin with lost spark” or distribution static, D.L.S. (Distributor Less System) or D.I.S. (Direct Ignition System).
- D.L.S. Distributor Less System
- D.I.S. Direct Ignition System
- Such an ignition system comprises for a four-cylinder engine, two coils each composed of a primary winding and a winding secondary, wound on a magnetic circuit.
- the two winding terminals secondary of each coil are each connected to a spark plug.
- the associated spark plugs are those equipping the cylinders whose pistons are in synchronous positions. So the cylinder associated with one of the spark plugs is in the ignition phase while the cylinder associated with the other spark plug is at the end of the exhaust phase.
- the polarities of the voltages supplied on each of the terminals of the secondary winding being opposite, one of the candles is powered by a positive voltage, while the other spark plug is powered by a negative voltage.
- the polarity of the ignition spark of a given cylinder is therefore defined by construction and wiring. On the one hand, it depends on the construction of the coil ignition and, on the other hand, the wiring between the terminals of the secondary winding and the spark plugs of the associated cylinders.
- the object of the invention is to remedy the drawbacks of the state of the technique by proposing a process allowing in a simple and economical way, detect the ignition phase of a cylinder of an internal combustion engine equipped a controlled ignition device of the "static spark-lost twin" type, in order to ensure, in particular, the initialization of the injection sequence.
- Another object of the invention is to provide a device for detecting the ignition phase of a cylinder of an internal combustion engine with ignition controlled, ignition being ensured by a so-called “static spark twin system lost ", formed of at least one coil comprising a primary winding and a secondary winding, wound on a magnetic circuit, the terminals of a secondary winding being connected to a first and a second spark plug ignition associated with synchronous pistons.
- the detection device is inserted between a reference voltage and an electrically floating magnetic circuit, so that the electrical potential of the magnetic circuit be an image of the electrical voltage mean of the secondary winding, the device being adapted to detect the polarity of the electric potential of the magnetic circuit corresponding to the appearance an ignition spark on a specific spark plug, in order to deliver a signal indicating that the cylinder associated with said spark plug is in the ignition phase.
- Fig. 1 is a diagram illustrating a first embodiment of a detection device according to the invention.
- Fig. 2 is a table illustrating the operating principle of the device according to the invention.
- Fig. 3 is a diagram illustrating another exemplary embodiment of a detection device according to the invention.
- the device 1 is designed to detect the ignition phase of a predetermined cylinder of an internal combustion engine, the ignition of which is controlled by a system 2 , called “static twin with lost spark".
- An ignition system called “static twin with lost spark” 2 comprises, for a four-cylinder engine, two ignition coils 3 , one of which has only been shown in the drawings.
- Each ignition coil 3 is composed of a primary winding 4 forming part of a primary circuit 5 not shown but known per se and of a secondary winding 6 .
- the primary winding 4 and the secondary winding 6 are wound on a magnetic circuit 7 .
- One of the terminals of the secondary winding 6 is connected to a first spark plug 8
- the other terminal of the secondary winding 6 is connected to a second spark plug 9
- the spark plugs 8, 9 which are connected to a reference potential 10, namely the electrical ground, are each associated with a determined cylinder of the engine.
- the first and second spark plugs 8 and 9 correspond to those fitted to the cylinders whose pistons are in synchronous positions, so that the cylinder associated with one of the spark plugs is in the ignition phase while the cylinder associated with the other spark plug is at the end of the exhaust phase.
- the first spark plug 8 is associated, for example, with cylinder No. 1 of the engine
- the second spark plug 9 is associated with cylinder No. 4 .
- the coil 3 provides, for a given engine revolution, a strongly negative voltage on one of the spark plugs and a weakly positive voltage on the other spark plug, while on the next engine revolution, the voltage levels are swapped over the candles.
- the voltage V 1 on the spark plug 8 has, in the example illustrated, a high negative value, for example of the order of - 20 Kilo Volts, while the voltage V 4 on the candle 9 is weakly positive, for example of the order of + 2 Kilo Volts.
- the voltage V 1 on the spark plug 8 is slightly negative, for example of the order of - 2 Kilo Volts, while the voltage on the spark plug 9 is high, for example of the order of + 20 Kilo Volts.
- the candle voltages associated with the same coil are therefore of opposite polarities and of high and low levels.
- the spark plug voltages are high and low for the associated cylinders which are respectively in the ignition phase and at the end of the exhaust phase.
- an ignition coil 3 consisting of a primary winding 4 and a secondary winding 6 , wound on a magnetic circuit 7 , it appears between the secondary winding 6 and the magnetic circuit 7, a capacitive coupling. If the magnetic circuit 7 is electrically floating or not directly connected to a voltage reference, the electric potential of the magnetic circuit 7 is an image of the average electric voltage of the secondary winding 6 . The potential values recorded on the electrically floating magnetic circuit 7 are of the order of a few hundred volts to a few kilo volts.
- the potential V N of the electrically floating magnetic circuit 7 image of the average voltage U AVG of the secondary winding 6 , is therefore negative, reaching for example - 3 Kilo Volts.
- the voltage V 1 of the spark plug 8 is slightly negative (for example - 2 Kilo Volts)
- the voltage V 4 on the spark plug 9 is a positive ignition spark that can reach + 20 Kilo Volts
- the average voltage U MOY of the secondary winding 6 is therefore equal, in this example, to + 9 Kilo Volts.
- the potential V N of the magnetic circuit 7, image of the average voltage is therefore positive, reaching for example + 3 Kilo Volts.
- the polarity of the electrical potential of the magnetic circuit 7 corresponds to the polarity of the ignition spark.
- the polarity of the ignition spark allows to know the associated cylinder.
- the device 1 is designed to detect the polarity of the electric potential of the magnetic circuit 7 , with a view to detecting the ignition phase of a cylinder.
- the detection device 1 is inserted between the electrically floating magnetic circuit 7 and a voltage reference 14.
- the voltage reference 14 and the reference potential 10 are placed at the same value such as the electrical ground.
- the detection device 1 is constituted, in the example illustrated, by a current limiting resistor 15 associated in series with a clipping Zener diode 16.
- the anode of the Zener diode 16 is connected to the voltage reference 14 , while its cathode, which is connected to the resistor 15 , delivers a control signal V S1 intended to be used by processing or calculation means not shown controlling the ignition of the cylinders and the injection of fuel.
- the detection device 1 delivers a negative signal V S1 of low value (voltage of the Zener diode in passing direction), corresponding to the appearance of 'a strongly negative ignition spark on the spark plug 8 indicating that the associated cylinder is in the ignition phase.
- V S1 negative signal
- the detection means 13 delivers a signal V S1 of positive voltage equal to the clipping voltage of the Zener diode 16 , for example + 5 Volts.
- V S1 of positive voltage
- the signal V S1 can thus be used by the calculation or processing means, with a view, in particular, to initializing and controlling the normal course of the fuel injection sequence.
- the exploitation of this signal can be carried out on an edge detection or on a state detection.
- the device 1 according to the invention makes it possible to determine which of the cylinders is in the ignition phase.
- the detection device according to the invention has the advantage of using an internal phenomenon inevitable in the operation of the ignition coil, namely the capacitive coupling between the secondary winding and the magnetic circuit. Such a device does not disturb the operation of the coil and does not alter its performance. Operational safety is guaranteed by the construction of the coil thanks to the galvanic isolation made between the secondary winding and the magnetic circuit.
- the device according to the invention has a small footprint and a low cost and can be advantageously integrated into the body of the coil and be coated with resin during the impregnation of the windings.
- the device according to the invention applies equally to ignition devices consisting of a coil and a bundle of high-voltage cables or of a coil block mounted directly on the spark plugs.
- the detection device 1 delivers a signal V S1 whose most characteristic level change (0 and + 5 Volts relative to 0 and - 0.6 Volts) appears for a positive spark.
- Fig. 3 describes another variant of a detection device 1 adapted to deliver a signal whose level change appears to be the most significant for a negative spark.
- the detection device 1 is inserted between the magnetic circuit 7 and a voltage reference 14 of positive value, for example equal to the voltage of 12 Volts of the battery of a vehicle.
- the detection device 1 consists of a current limiting resistor 15 connected in series to the anode of a clipping Zener diode 16 , the cathode of which is connected to the voltage reference 14.
- the detection device 1 consists of a resistor and a Zener diode. It is clear that provision may be made for using various other means to detect the polarity of the potential of the magnetic circuit 7 .
- the detection device can use as detection means, resistive dividing bridges, capacitive dividing bridges, optocouplers or any other suitable system or component.
- the detection device 1 may include means for shaping the signal delivered V S1 , V S2 . These shaping means can consist of filters, load resistors, output stages or any other signal shaping system capable of facilitating its use by the computing means.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
Description
- à réaliser un circuit magnétique non directement relié à une référence de tension, de sorte que son potentiel électrique soit une image de la tension électrique moyenne de l'enroulement secondaire,
- à détecter la polarité du potentiel électrique du circuit magnétique correspondant à l'apparition d'une étincelle d'allumage sur une bougie déterminée en vue de délivrer un signal indiquant que le cylindre associé est en phase d'allumage.
Claims (10)
- Procédé pour détecter la phase d'allumage d'un cylindre d'un moteur à combustion interne à allumage commandé, l'allumage étant assuré par un système dit "Jumeau statique à étincelle perdue", formé d'au moins une bobine (3) comprenant un enroulement primaire (4) et un enroulement secondaire (6), bobinés sur un circuit magnétique (7), les bornes d'un enroulement secondaire (6) étant reliées à une première (8) et à une deuxième (9) bougies d'allumage associées à des pistons synchrones,
caractérisé en ce qu'il consiste :à réaliser un circuit magnétique (7) non directement relié à une référence de tension, de sorte que son potentiel électrique (VN ) soit une image de la tension électrique moyenne (UMOY ) de l'enroulement secondaire (6),à détecter la polarité du potentiel électrique (VN ) du circuit magnétique (7) correspondant à l'apparition d'une étincelle d'allumage sur une bougie déterminée en vue de délivrer un signal (VS1 , VS2 ) indiquant que le cylindre associé est en phase d'allumage. - Procédé selon la revendication 1, caractérisé en ce qu'il consiste à détecter la valeur négative de la tension du circuit magnétique (7) correspondant à l'apparition d'une étincelle d'allumage négative sur une bougie déterminée.
- Procédé selon la revendication 1, caractérisé en ce qu'il consiste à détecter la valeur positive de la tension du circuit magnétique (7) correspondant à l'apparition d'une étincelle d'allumage positive sur une bougie déterminée.
- Dispositif pour détecter la phase d'allumage d'un cylindre d'un moteur à combustion interne à allumage commandé, l'allumage étant assuré par un système dit "Jumeau statique à étincelle perdue", formé d'au moins une bobine (3) comprenant un enroulement primaire (4) et un enroulement secondaire (6) bobinés sur un circuit magnétique (7), les bornes d'un enroulement secondaire (6) étant reliées à une première (8) et à une deuxième (9) bougies d'allumage associées à des pistons synchrones,
caractérisé en ce qu'il est inséré entre une référence de tension (14) et un circuit magnétique (7) monté électriquement flottant, de sorte que le potentiel électrique (VN ) du circuit magnétique (7) soit une image de la tension électrique moyenne (UMOY ) de l'enroulement secondaire (6), le dispositif (1) étant adapté pour détecter la polarité du potentiel électrique du circuit magnétique (7) correspondant à l'apparition d'une étincelle d'allumage sur une bougie déterminée, en vue de délivrer un signal (VS1 , VS2 ) indiquant que le cylindre associé à ladite bougie est en phase d'allumage. - Dispositif selon la revendication 4, caractérisé en ce qu'il permet de déceler la valeur négative de la tension du circuit magnétique (7) correspondant à l'apparition d'une étincelle d'allumage négative sur une bougie déterminée.
- Dispositif selon la revendication 4, caractérisé en ce qu'il permet de déceler la valeur positive de la tension du circuit magnétique (7) correspondant à l'apparition d'une étincelle d'allumage positive sur une bougie déterminée.
- Dispositif selon la revendication 4, caractérisé en ce qu'il comporte une résistance de limitation de courant (15), associée à une diode Zener d'écrêtage (16) dont l'anode est reliée à la référence de tension de valeur nulle.
- Dispositif selon la revendication 4, caractérisé en ce qu'il comporte une résistance de limitation de courant (15), associée à une diode Zener d'écrêtage (16) dont la cathode est connectée à une référence de tension (14) positive.
- Dispositif selon la revendication 8, caractérisé en ce que la référence de tension (14) est la batterie d'un véhicule.
- Dispositif selon la revendication 4, caractérisé en ce qu'il comprend des moyens de mise en forme du signal (VS1 , VS2 ).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9611282A FR2753234B1 (fr) | 1996-09-11 | 1996-09-11 | Procede pour detecter la phase d'allumage d'un cylindre d'un moteur a combustion interne a allumage commande, afin de permettre notamment l'initialisation de la sequence d'injection |
FR9611282 | 1996-09-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0829642A1 true EP0829642A1 (fr) | 1998-03-18 |
EP0829642B1 EP0829642B1 (fr) | 2004-03-03 |
Family
ID=9495781
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19970420161 Expired - Lifetime EP0829642B1 (fr) | 1996-09-11 | 1997-09-10 | Procédé pour détecter la phase d'allumage d'un cylindre d'un moteur à combustion interne |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0829642B1 (fr) |
DE (1) | DE69727871T2 (fr) |
FR (1) | FR2753234B1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2777321A1 (fr) * | 1998-04-09 | 1999-10-15 | Sagem | Procede de detection de la phase de fonctionnement d'un moteur a combustion interne |
WO2007031521A1 (fr) * | 2005-09-12 | 2007-03-22 | Pulse Gmbh | Ensemble destine a detecter cote haute tension un signal de mesure, en particulier un signal correspondant au courant ionique entre les electrodes d'une bougie d'allumage d'un moteur a combustion interne |
CN112145330A (zh) * | 2020-09-27 | 2020-12-29 | 张明芬 | 一种四缸点火变压器、初级电流配置方法、点火模块和系统 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2888619B1 (fr) * | 2005-07-13 | 2007-10-19 | Electricfil Automotive Soc Par | Procede pour detecter la phase d'allumage d'un cylindre d'un moteur a combustion interne avec limitation de tension |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0272225A1 (fr) * | 1986-12-15 | 1988-06-22 | FIAT AUTO S.p.A. | Dispositif électrique d'identification des phases de fonctionnement d'un cylindre de moteur à combustion interne à allumage commandé |
WO1989008778A1 (fr) * | 1988-03-18 | 1989-09-21 | Robert Bosch Gmbh | Appareil de reconnaissance de cylindre pour systeme d'allumage sans distributeur |
EP0619428A2 (fr) * | 1993-04-08 | 1994-10-12 | Saturn Corporation | Détection de la position d'un moteur pour un système d'allumage direct |
-
1996
- 1996-09-11 FR FR9611282A patent/FR2753234B1/fr not_active Expired - Lifetime
-
1997
- 1997-09-10 EP EP19970420161 patent/EP0829642B1/fr not_active Expired - Lifetime
- 1997-09-10 DE DE69727871T patent/DE69727871T2/de not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0272225A1 (fr) * | 1986-12-15 | 1988-06-22 | FIAT AUTO S.p.A. | Dispositif électrique d'identification des phases de fonctionnement d'un cylindre de moteur à combustion interne à allumage commandé |
WO1989008778A1 (fr) * | 1988-03-18 | 1989-09-21 | Robert Bosch Gmbh | Appareil de reconnaissance de cylindre pour systeme d'allumage sans distributeur |
EP0619428A2 (fr) * | 1993-04-08 | 1994-10-12 | Saturn Corporation | Détection de la position d'un moteur pour un système d'allumage direct |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2777321A1 (fr) * | 1998-04-09 | 1999-10-15 | Sagem | Procede de detection de la phase de fonctionnement d'un moteur a combustion interne |
WO2007031521A1 (fr) * | 2005-09-12 | 2007-03-22 | Pulse Gmbh | Ensemble destine a detecter cote haute tension un signal de mesure, en particulier un signal correspondant au courant ionique entre les electrodes d'une bougie d'allumage d'un moteur a combustion interne |
JP2009508131A (ja) * | 2005-09-12 | 2009-02-26 | プルゼ ゲゼルシャフト ミット ベシュレンクテル ハフツング | 測定信号を、詳細には内燃機関の点火プラグの電極間のイオン流に対応する信号を高電圧側検知するための装置 |
JP4672773B2 (ja) * | 2005-09-12 | 2011-04-20 | プルゼ ゲゼルシャフト ミット ベシュレンクテル ハフツング | 測定信号を、詳細には内燃機関の点火プラグの電極間のイオン流に対応する信号を高電圧側検知するための装置 |
CN112145330A (zh) * | 2020-09-27 | 2020-12-29 | 张明芬 | 一种四缸点火变压器、初级电流配置方法、点火模块和系统 |
CN112145330B (zh) * | 2020-09-27 | 2022-05-13 | 温州市奥立达电器有限公司 | 一种四缸点火变压器、初级电流配置方法、点火模块和系统 |
Also Published As
Publication number | Publication date |
---|---|
FR2753234B1 (fr) | 1998-12-04 |
DE69727871T2 (de) | 2005-01-27 |
EP0829642B1 (fr) | 2004-03-03 |
FR2753234A1 (fr) | 1998-03-13 |
DE69727871D1 (de) | 2004-04-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2205858B1 (fr) | Dispositif de mesure du courant d'ionisation dans un systeme d'allumage radiofrequence pour un moteur a combustion interne | |
FR2476837A1 (fr) | Dispositif pour alimenter en tension des installations destinees a detecter des fluctuations de pression dans la chambre de combustion d'un moteur a combustion interne | |
FR2533261A1 (fr) | Installation pour detecter des fluctuations de pression dans la chambre de combustion d'un moteur a combustion interne | |
FR2888619A1 (fr) | Procede pour detecter la phase d'allumage d'un cylindre d'un moteur a combustion interne avec limitation de tension | |
CH630442A5 (fr) | Procede et dispositif de reglage automatique de l'allumage d'un moteur a allumage commande. | |
EP0408436A1 (fr) | Circuit de détection du signal phase alternateur polyphase de contrôle d'un régulateur de charge de batterie de véhicule automobile et son utilisation | |
EP2321524B1 (fr) | Dispositif de mesure du courant d'ionisation dans un systeme d'allumage radiofrequence pour un moteur a combustion interne | |
EP0829642B1 (fr) | Procédé pour détecter la phase d'allumage d'un cylindre d'un moteur à combustion interne | |
FR2475639A1 (fr) | Systeme d'allumage par magneto sans contact | |
EP0101342B1 (fr) | Procédé d'optimisation de l'avance à l'allumage pour moteur à combustion interne | |
EP0654604B1 (fr) | Procédé et dispositif d'allumage à bobine avec des décharges additionnelles pour diagnostics | |
EP0010033A1 (fr) | Capteur de position angulaire pour moteur à combustion interne équipé d'un système d'allumage électronique | |
EP0202136A1 (fr) | Procédé et dispositif de limitation du régime d'un moteur à combustion interne à allumage électronique | |
FR2788559A1 (fr) | Dispositif de detection d'etat de combustion pour un moteur a combustion interne | |
WO2022218835A1 (fr) | Procede pour s'adapter aux tolerances d'un systeme comportant un capteur de position et une cible tournante | |
EP0736688B1 (fr) | Dispositif de détection de la phase de fonctionnement d'un moteur à allumage simultané par paires de cylindre, notamment pour véhicule automobile | |
FR3068463A1 (fr) | Capteur en courant | |
EP0187071B1 (fr) | Système électronique d'élaboration d'un signal synchrone d'un signal d'allumage de moteur à combustion interne | |
EP0926337A1 (fr) | Capteur d'ionisation dans un système d'allumage pour moteur à combustion interne | |
EP0312560B1 (fr) | Dispositif et procede de verification du cablage du module de puissance d'allumage | |
WO2010136727A1 (fr) | Procéde de détection du type d'étincelle générée par une bobine-bougie d'allumage radiofrequence, et dispositif correpondant | |
EP0889235B1 (fr) | Dispositif de détermination de la phase de fonctionnement d'un moteur à combustion interne | |
FR2688272A1 (fr) | Dispositif d'allumage electronique a bobine pour moteur a allumage commande. | |
JPH0626437A (ja) | ガソリン機関の二次電圧検出装置 | |
FR2730359A1 (fr) | Dispositif regulateur de la tension de charge d'une batterie par un alternateur a moyens d'amorcage perfectionnes, notamment pour vehicule automobile |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE ES GB IT SE |
|
17P | Request for examination filed |
Effective date: 19980917 |
|
AKX | Designation fees paid |
Free format text: DE ES GB IT SE |
|
RBV | Designated contracting states (corrected) |
Designated state(s): DE ES GB IT SE |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
17Q | First examination report despatched |
Effective date: 20020121 |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE ES GB IT SE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20040303 Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20040303 |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REF | Corresponds to: |
Ref document number: 69727871 Country of ref document: DE Date of ref document: 20040408 Kind code of ref document: P |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20040603 |
|
GBV | Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed] |
Effective date: 20040303 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed |
Effective date: 20041206 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20160909 Year of fee payment: 20 Ref country code: DE Payment date: 20160914 Year of fee payment: 20 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R071 Ref document number: 69727871 Country of ref document: DE |