EP0966602B1 - Einspritzventil - Google Patents
Einspritzventil Download PDFInfo
- Publication number
- EP0966602B1 EP0966602B1 EP98928146A EP98928146A EP0966602B1 EP 0966602 B1 EP0966602 B1 EP 0966602B1 EP 98928146 A EP98928146 A EP 98928146A EP 98928146 A EP98928146 A EP 98928146A EP 0966602 B1 EP0966602 B1 EP 0966602B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- spring
- compression spring
- injection
- tappet
- 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 - Lifetime
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
- F02M63/0014—Valves characterised by the valve actuating means
- F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
- F02M63/0026—Valves characterised by the valve actuating means electrical, e.g. using solenoid using piezoelectric or magnetostrictive actuators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
- F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
- F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
- F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
- F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
- F02M63/007—Details not provided for in, or of interest apart from, the apparatus of the groups F02M63/0014 - F02M63/0059
- F02M63/0075—Stop members in valves, e.g. plates or disks limiting the movement of armature, valve or spring
Definitions
- the invention is based on the genus, as in independent claim 1 specified.
- Such an injector is known from the Patent EP 0 745 764 A.
- Another injection valve is known from the patent US 5,458,293.
- a first function group contains a Metering valve for the fuel, with injection openings and a valve stem.
- Another function group contains as an actuator an actuator.
- a third function group be arranged, which serves for servo support and also can be called a path amplifier.
- This Function group has a control room that has a Primary throttle (inlet throttle) hydraulically with one High pressure accumulator is connected and via a Secondary throttle (discharge throttle) and a relief valve can be relieved.
- the present invention is concerned - other than that Patent US 5,458,293 - with the functional group that has a control valve for servo assistance, and Invention aims to determine the suitability of a Injector for the pre and the main injection too improve.
- the invention enables the Structure of an injection valve by a piezo actuator is controlled.
- Such an injector is suitable as a common rail injector, for example.
- a compression spring and a coil spring connected in series are a compression spring and a coil spring connected in series.
- a piezo actuator used and the two compression springs in the area between the Piezo actuator and the head of the control valve arranged are. If the adapter on the valve lifter of the Control valve is guided, flutter movements avoid well.
- injection valve is between one Injection valve member 1 with valve stem 2 on the one hand and a piezo actuator 3, on the other hand, a functional group provided, the basic component of which has a control valve 4 Valve tappet 5, on which the piezo actuator 3 acts.
- the injection valve member 1 has at the combustion chamber end a conical sealing surface 43 which with a cone-shaped valve seat 40 cooperates from which Injection bores 42 to the combustion chamber of the associated Remove internal combustion engine.
- a ring 6 Pressed onto the valve tappet 5 is a ring 6, which is at the top is designed as a flange 7. Between this flange 7 and a stage 8 in the housing 9 of the injection valve a first compression spring 10 is clamped. It burdens the Valve tappet 5 in the closing direction of the control valve 4, whose valve head 44 in the closed state of the Control valve abuts a valve seat 11.
- valve stem 2 limited in a leading him Guide cylinder a control room 12, one of which Relieves relief bore 14 in which the control valve 4th is arranged, the relief of the control room controls.
- Flow restrictor 13 provided to control the discharge rate when open Control valve 4 is also in the relief bore Flow restrictor 13 provided.
- Annulus 15 On the other side of the Valve head 44 of the control valve 4 is located Annulus 15, from which holes 16 to a drain ring 17 lead. This is shown schematically via a Drain line 18 with a low pressure liquid container 19 connected.
- the control room 12 is via an inlet 20 and an intermediate inlet throttle 21, the one has a smaller cross section than the outlet throttle 13, connected to a high-pressure fuel accumulator 22, so that when the control valve 4 is closed in the control room high fuel pressure of the high-pressure fuel accumulator set, the injector 1 with his Sealing surface 43 presses on the valve seat 40 to in this Condition to prevent an injection.
- On the Valve tappet 5 is axially movable an intermediate piece 30 performed, in the rest state shown by one second compression spring 31 against a housing stop 32 is pressed.
- the lower end of the ring 6 is as a driver 35 for that Intermediate piece 30 is formed and has a driver stop 36 on. This has from the top of the Intermediate piece 30 serving as a primary stop 37 Distance for establishing a first axial stroke 46 for a Control room relief for the pre-injection.
- the Bottom of the intermediate piece 30 is a secondary stop Designated 38. This secondary stop 38 has illustrated hibernation a distance corresponding to a second axial stroke 47 from a housing-side end stop 39th
- the Injector member 1 For the pre and main injection, the Injector member 1 more or less of its Valve seat 40 are lifted off to allow fuel to flow over one connected to the high-pressure fuel accumulator 22 Annulus 41 is in front of the valve seat, over which then open injection openings 42 in the combustion chamber can leak. To do this, the pressure in the control room 12 be relieved. The pressure before opening the Injection valve member and as long as the control valve 4th is closed, corresponds to that of the high-pressure accumulator 22. By gradually opening the control valve 4 Control room 12 gradually relieved of pressure because of liquid can flow from the control room 12 into the container 19 and the overflow through the throttle 21 is limited. to gradual opening of the injection valve member 1 must therefore the valve head 44 of the control valve 4 gradually from its valve seat 11 can be lifted off.
- the piezo actuator 3 which acts on the valve lifter 5.
- the piezo actuator exercises 3 a more or less large actuator force on the Valve tappet 5 off.
- a low actuator force 45 first compresses the soft first compression spring 10 until the driver stop 36 the first axial stroke 46 for the Has overcome pre-injection and at primary stop 37 of the intermediate piece 30 strikes.
- the second Compression spring 31 requires a larger one for its compression Force. If this is overcome, the ring 6 firmly connected valve lifter 5 a second axial stroke 47 run until the gap between the secondary stop 38 on the intermediate piece 30 and the housing side End stop 39 closes. Then the control valve 4 and so that the injection valve member 1 completely for Main injection open.
- the control valve 4 is biased in the closing direction by the biased first compression spring 10, which between the housing 9 and the flange 7 on the valve lifter 5 is clamped.
- the rigid with the valve lifter 5 connected driver 35 has a distance in the idle state corresponding to the first axial stroke 46 from the primary stop 37 of the sprung intermediate piece 30.
- the intermediate piece 30 with its primary stop 37 is over the second Compression spring 31 on the housing 9 (if necessary via a Spacer ring 50) supported.
- the sprung intermediate piece 30 has a distance corresponding to that in the idle state second axial stroke 47 from the housing-side end stop 39.
- the second compression spring 31 brings the Control valve 4 a greater force than the first Compression spring 10.
- the intermediate piece 30 lies in this Idle state on the housing 9 and holds the second compression spring 31 on preload.
- the first compression spring 10 is also in the Idle state under tension.
- the first spring support (flange 7) is rigid with the Valve tappet 5 connected.
- the one on the valve seat 11 resting valve head 44 limits the freedom of movement of the valve lifter 5 upwards and thus ensures that Preloading the compression spring 10.
- the second spring support on Intermediate piece 30 is in the direction of an enlargement Spring force of the second compression spring 31 from the rest position starting axially movable, the housing stop 32 and the housing 9 (possibly in connection with the Spacer ring 50) ensure the spring preload.
- the bias of the first compression spring 10 can, for example 10 to 20 N and the bias of the second Compression spring 31, for example, be 80 to 120 N. in the The range between 20 and 80 N is then effective Primary stop 37 like a fixed stop. In this The area remains the first axial stroke 46 for the Pre-injection overcome. After overcoming the second Axialhubes 47, which is added to the first axial stroke the main injection performed.
- the second compression spring 31 ' also has one higher biasing force than the first compression spring 10 '.
- the valve lifter 5 is rigidly connected to a holder 51 which the range of movement of the intermediate piece 30 'in the Opening direction 52 of the control valve limited.
- first compression spring 10 ′ is compressed until the first axial stroke 46 is overcome.
- the second Compression spring 31 ' is compressed until the sum of the axial strokes 46 and 47 is overcome when the driver stop 36 on pushes the end stop 39.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
- Figur 1:
- in einem Teilschnitt ein vergrößerter Ausschnitt eines Einspritzventils nach dem Stand der Technik,
- Figur 2:
- ein Schema für ein bevorzugtes Ausführungsbeispiel eines Einspritzventils nach der Erfindung.
Claims (3)
- Einspritzventil für ein Kraftstoffeinspritzsystem für Brennkraftmaschinen mit Mitteln zur mehrstufigen Steuerung des wirksamen Querschnitts wenigstens einer Einspritzöffnung (42) , wobei diese Mittel ein Feder/Anschlagsystem, für einen Ventilstößel (5) eines Steuerventils (4) aufweisen, durch das ein Druck in einem Steuerraum (12), durch den die Stellung des Ventilschafts (2) eines Zumeßventils (1) bestimmt wird, gesteuert wird, wobei beim Öffnen des Steuerventils (4) der Ventilstößel (5) durch einen Stellantrieb (3) einen ersten durch einen Primaranschlag (37) begrenzten Axialhub (46) entgegen der Kraft einer ersten gegen das Gehäuse (9) des Einspritzventils gespannten Feder (10') des Feder/Anschlagsystems und entgegen der Druckkraft einer zweiten als Druckfeder ausgeführten Feder (31') des Feder/Anschlagsystem einen zweiten Axialhub (47) des Stößels (5) durchführt, der durch einen gehäusefesten Endanschlag (39) begrenzt ist, wobei im geschlossenen Zustand des Steuerventils (4) die Federkraft der ersten Druckfeder (10') geringer ist als die der zweiten Druckfeder (31'), dadurch gekennzeichnet, daß ein auf dem Ventilstößel (5) axial bewegliches Zwischenstück (30') vorgesehen ist, das durch die erste Druckfeder (10') in Schließrichtung des Steuerventils (4) beaufschlagt ist und entgegen der ersten Druckfeder durch die sich an dem Ventilstößel abstützenden vorgespannten zweite Druckfeder (31') an einem starr mit dem Ventilstößel (5) verbundene Halter (51) während des ersten Axialhubes gehalten wird, und am Ende des ersten Axialhubes in Anlage an einen festen Anschlag (53) kommt und durch diesen beim nachfolgenden zweiten Axialhub des Stößels gegen die Kraft der zweiten Druckfeder (31') abhebbar ist.
- Einspritzventil nach Anspruch 1, dadurch gekennzeichnet, daß der Ventilstößel (5) in Axialrichtung mittelbar oder unmittelbar von einem Piezo-Aktor (3) bewegbar ist.
- Einspritzventil nach Anspruch 2, dadurch gekennzeichnet, daß die zweite Druckfeder (31') und die erste Druckfeder (10') im Bereich zwischen dem Piezo-Aktor (3) und dem Ventilkopf (44) des Steuerventils (4) koaxial zum Ventilstößel (5) angeordnet sind.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19741850 | 1997-09-23 | ||
DE19741850A DE19741850A1 (de) | 1997-09-23 | 1997-09-23 | Eispritzventil |
PCT/DE1998/000971 WO1999015779A1 (de) | 1997-09-23 | 1998-04-07 | Einspritzventil |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0966602A1 EP0966602A1 (de) | 1999-12-29 |
EP0966602B1 true EP0966602B1 (de) | 2002-12-18 |
Family
ID=7843271
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98928146A Expired - Lifetime EP0966602B1 (de) | 1997-09-23 | 1998-04-07 | Einspritzventil |
Country Status (5)
Country | Link |
---|---|
US (1) | US6296197B1 (de) |
EP (1) | EP0966602B1 (de) |
JP (1) | JP2001505977A (de) |
DE (2) | DE19741850A1 (de) |
WO (1) | WO1999015779A1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19930530B4 (de) * | 1999-07-01 | 2005-08-18 | Siemens Ag | Vorrichtung und Verfahren zum Regeln der Einspritzung von Kraftstoff durch einen Kraftstoffinjektor in einer Brennkraftmaschine |
DE19937559A1 (de) | 1999-08-09 | 2001-03-01 | Bosch Gmbh Robert | Zweistufiges Magnetventil in kompakter Bauweise für einen Injektor eines Einspritzsystems für Brennkraftmaschinen |
DE19940292B4 (de) * | 1999-08-25 | 2008-03-06 | Robert Bosch Gmbh | Steuerventil für ein Kraftstoffeinspritzventil |
DE10015268A1 (de) | 2000-03-28 | 2001-10-04 | Siemens Ag | Einspritzventil mit Bypaßdrossel |
DE10033428C2 (de) * | 2000-07-10 | 2002-07-11 | Bosch Gmbh Robert | Druckgesteuerter Injektor zum Einspritzen von Kraftstoff |
DE10035814A1 (de) * | 2000-07-22 | 2002-01-31 | Bosch Gmbh Robert | Verfahren zur Ansteuerung eines Einspritzventils zur Kraftstoffeinspritzung in einen Verbrennungsmotor |
JP3804421B2 (ja) * | 2000-09-06 | 2006-08-02 | トヨタ自動車株式会社 | 燃料噴射装置 |
US7552715B1 (en) * | 2002-03-15 | 2009-06-30 | Jeremy Holmes | Universal injection valve assembly |
DE10352736A1 (de) * | 2003-11-12 | 2005-07-07 | Robert Bosch Gmbh | Kraftstoffinjektor mit direkter Nadeleinspritzung |
US6912998B1 (en) | 2004-03-10 | 2005-07-05 | Cummins Inc. | Piezoelectric fuel injection system with rate shape control and method of controlling same |
AT501668B1 (de) * | 2004-08-24 | 2007-03-15 | Bosch Gmbh Robert | Steuerventil für eine einspritzdüse |
US8261575B1 (en) | 2005-01-18 | 2012-09-11 | Jeremy Holmes | Self cooling motor system |
DE102007035698A1 (de) * | 2007-07-30 | 2009-02-05 | Robert Bosch Gmbh | Kraftstoffeinspritzventil mit verbesserter Dichtheit am Dichtsitz eines druckausgeglichenen Steuerventils |
DE102009027727A1 (de) * | 2009-07-15 | 2011-01-20 | Robert Bosch Gmbh | Ventilanordnung |
US9303607B2 (en) * | 2012-02-17 | 2016-04-05 | Ford Global Technologies, Llc | Fuel pump with quiet cam operated suction valve |
JP6233109B2 (ja) * | 2014-03-11 | 2017-11-22 | 株式会社Soken | 燃料噴射弁 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH329505A (de) * | 1955-02-23 | 1958-04-30 | Saurer Ag Adolph | Verfahren zum Steuern des Durchflussquerschnittes von Einspritzdüsen für Brennkraftmaschinen und Einspritzdüse zur Durchführung des Verfahrens |
DE2711393A1 (de) * | 1977-03-16 | 1978-09-21 | Bosch Gmbh Robert | Kraftstoffeinspritzduese |
JPS61149569A (ja) * | 1984-12-21 | 1986-07-08 | Diesel Kiki Co Ltd | 燃料噴射弁 |
US4684067A (en) * | 1986-03-21 | 1987-08-04 | General Motors Corporation | Two-stage, hydraulic-assisted fuel injection nozzle |
EP0603616B1 (de) | 1992-12-23 | 1998-05-27 | Ganser-Hydromag Ag | Brennstoffeinspritzventil |
DE59606610D1 (de) * | 1995-06-02 | 2001-04-26 | Ganser Hydromag Ag Zuerich | Brennstoffeinspritzventil für Verbrennungskraftmaschinen |
IT1276503B1 (it) * | 1995-07-14 | 1997-10-31 | Elasis Sistema Ricerca Fiat | Perfezionamenti ad una valvola di dosaggio a comando elettromagnetico, per un iniettore di combustibile. |
JP3653882B2 (ja) * | 1996-08-31 | 2005-06-02 | いすゞ自動車株式会社 | エンジンの燃料噴射装置 |
-
1997
- 1997-09-23 DE DE19741850A patent/DE19741850A1/de not_active Withdrawn
-
1998
- 1998-04-07 EP EP98928146A patent/EP0966602B1/de not_active Expired - Lifetime
- 1998-04-07 DE DE59806720T patent/DE59806720D1/de not_active Expired - Fee Related
- 1998-04-07 US US09/308,715 patent/US6296197B1/en not_active Expired - Fee Related
- 1998-04-07 JP JP51839499A patent/JP2001505977A/ja active Pending
- 1998-04-07 WO PCT/DE1998/000971 patent/WO1999015779A1/de active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
DE59806720D1 (de) | 2003-01-30 |
DE19741850A1 (de) | 1999-03-25 |
WO1999015779A1 (de) | 1999-04-01 |
EP0966602A1 (de) | 1999-12-29 |
US6296197B1 (en) | 2001-10-02 |
JP2001505977A (ja) | 2001-05-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0966602B1 (de) | Einspritzventil | |
EP0925440B1 (de) | Kraftstoffeinspritzvorrichtung | |
DE19519192C1 (de) | Einspritzventil | |
EP0845077A1 (de) | Kraftstoffeinspritzvorrichtung für brennkraftmaschinen | |
DE4340305A1 (de) | Kraftstoffeinspritzdüse für eine Brennkraftmaschine | |
EP1567765B1 (de) | Einspritzventil | |
EP0908617A1 (de) | Kraftstoffeinspritzvorrichtung | |
DE102009039647A1 (de) | Kraftstoffinjektor und Kraftstoff-Einspritzsystem | |
WO2008049699A1 (de) | Kraftstoffinjektor | |
EP1117921B1 (de) | Einspritzvetil für ein Common-Rail Kraftstoffsystem | |
EP1927748A2 (de) | Kraftstoffinjektor | |
WO2008049671A1 (de) | Kraftstoffinjektor | |
EP1727977B1 (de) | Kraftstoffeinspritzventil | |
WO2002077437A1 (de) | Einspritzventil | |
DE19858476B4 (de) | Vorrichtung zum Übertragen einer Aktorauslenkung auf ein Stellglied und Einspritzventil mit einer solchen Vorrichtung | |
EP1402174A1 (de) | Kraftstoffeinspritzeinrichtung für eine brennkraftmaschine | |
DE10164123A1 (de) | Kraftstoff-Einspritzvorrichtung | |
EP1304475A1 (de) | Einspritzventil | |
DE102006029392A1 (de) | Injektor | |
WO2001031191A2 (de) | Kraftstoffeinspritzventil für brennkraftmaschinen | |
DE102005054927A1 (de) | Kraftstoffinjektor mit verbesserter Einspritzmengenstabilität | |
EP1961953A1 (de) | Mehrwegeventil | |
DE102018207134A1 (de) | Ventilanordnung zur Gasdruckregelung in einem Gas-Rail | |
WO2008049726A1 (de) | Fluiddosiervorrichtung | |
DE102009000281A1 (de) | Kraftstoff-Injektor |
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 |
|
17P | Request for examination filed |
Effective date: 19991001 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE FR GB IT |
|
17Q | First examination report despatched |
Effective date: 20010831 |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
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 FR GB IT |
|
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: 59806720 Country of ref document: DE Date of ref document: 20030130 Kind code of ref document: P Ref document number: 59806720 Country of ref document: DE Date of ref document: 20030130 |
|
GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) |
Effective date: 20030315 |
|
ET | Fr: translation filed | ||
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: 20030919 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20040319 Year of fee payment: 7 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20040422 Year of fee payment: 7 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20050407 Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20050407 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20050407 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20051230 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20051230 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20070625 Year of fee payment: 10 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20081101 |