DE10238415A1 - Slide bearing for a shaft of an exhaust gas turbocharger - Google Patents
Slide bearing for a shaft of an exhaust gas turbocharger Download PDFInfo
- Publication number
- DE10238415A1 DE10238415A1 DE10238415A DE10238415A DE10238415A1 DE 10238415 A1 DE10238415 A1 DE 10238415A1 DE 10238415 A DE10238415 A DE 10238415A DE 10238415 A DE10238415 A DE 10238415A DE 10238415 A1 DE10238415 A1 DE 10238415A1
- Authority
- DE
- Germany
- Prior art keywords
- bearing
- exhaust gas
- gas turbocharger
- shaft
- axial
- 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
- 239000000314 lubricant Substances 0.000 claims abstract description 12
- 238000002485 combustion reaction Methods 0.000 claims abstract description 3
- 238000005461 lubrication Methods 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/18—Lubricating arrangements
- F01D25/183—Sealing means
- F01D25/186—Sealing means for sliding contact bearing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
- F01D25/166—Sliding contact bearing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/1045—Details of supply of the liquid to the bearing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/12—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load
- F16C17/18—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with floating brasses or brushing, rotatable at a reduced speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/23—Gas turbine engines
- F16C2360/24—Turbochargers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Sliding-Contact Bearings (AREA)
- Supercharger (AREA)
Abstract
Die Erfindung betrifft ein Gleitlager für eine Welle (10) eines Abgasturboladers einer Brennkraftmaschine, insbesondere eines Kraftfahrzeuges, mit einer zylinderförmigen Lagerbuchse (16), die eine axiale Lagerbohrung (18) zur Aufnahme der Welle (10) des Abgasturboladers aufweist, wobei in der Lagerbohrung (18) an axialen Enden der zylindrischen Lagerbuchse (16) jeweils eine erste Gleitlagerfläche (22) für eine radiale Lagerung der Welle (10) des Abgasturboladers ausgebildet ist, an jeder axialen Stirnseite der zylindrischen Lagerbuchse (16) jeweils eine zweite Gleitlagerfläche (24) für eine axiale Lagerung der Welle (10) des Abgasturboladers ausgebildet ist und in einem axialen Abschnitt (20) zwischen den ersten Gleitlagerflächen (22) die Lagerbohrung (18) derart ausgebildet ist, daß ein Spalt zwischen einer Wandung der Lagerbohrung (18) und der Welle (10) des Abgasturboladers ausgebildet ist. Hierbei ist im Bereich von jeder der ersten Gleitlagerflächen (22) am Außenumfang der zylindrischen Lagerbuchse (16) jeweils eine Schmierstoffzuführung in Form einer Ringnut (30) ausgebildet, wobei erste Bohrungen (32) derart angeordnet und ausgebildet sind, daß diese eine schmierstoffleitende Verbindung zwischen der Ringnut (30) und der jeweiligen ersten Gleitlagerfläche (22) herstellen und zweite Bohrungen (34) derart angeordnet und ausgebildet sind, daß diese eine schmierstoffleitende Verbindung zwischen der Ringnut (30) und der jeweiligen zweiten Gleitlagerfläche (24) herstellen.The invention relates to a plain bearing for a shaft (10) of an exhaust gas turbocharger of an internal combustion engine, in particular a motor vehicle, with a cylindrical bearing bush (16) which has an axial bearing bore (18) for receiving the shaft (10) of the exhaust gas turbocharger, in the bearing bore (18) a first slide bearing surface (22) is formed on the axial ends of the cylindrical bearing bush (16) for radial mounting of the shaft (10) of the exhaust gas turbocharger, and a second slide bearing surface (24) on each axial end face of the cylindrical bearing bush (16) is designed for axial mounting of the shaft (10) of the exhaust gas turbocharger and in an axial section (20) between the first slide bearing surfaces (22) the bearing bore (18) is formed such that a gap between a wall of the bearing bore (18) and the Shaft (10) of the exhaust gas turbocharger is formed. A lubricant supply in the form of an annular groove (30) is formed in the area of each of the first slide bearing surfaces (22) on the outer circumference of the cylindrical bearing bush (16), first bores (32) being arranged and designed such that they provide a lubricant-conducting connection between the annular groove (30) and the respective first slide bearing surface (22) and second bores (34) are arranged and designed such that they produce a lubricant-conducting connection between the annular groove (30) and the respective second slide bearing surface (24).
Description
Die Erfindung betrifft ein Gleitlager für eine Welle eines Abgasturboladers einer Brennkraftmaschine, insbesondere eines Kraftfahrzeuges, mit einer zylinderförmigen Lagerbuchse, die eine axiale Lagerbohrung zur Aufnahme der Welle des Abgasturboladers aufweist, wobei in der Lagerbohrung an axialen Enden der zylindrischen Lagerbuchse jeweils eine erste Gleitlagerfläche für eine radiale Lagerung der Welle des Abgasturboladers ausgebildet ist, an jeder axialen Stirnseite der zylindrischen Lagerbuchse jeweils eine zweite Gleitlagerfläche für eine axiale Lagerung der Welle des Abgasturboladers ausgebildet ist, und in einem axialen Abschnitt zwischen den ersten Gleitlagerflächen die Lagerbohrung derart ausgebildet ist, daß ein Spalt zwischen einer Wandung der Lagerbohrung und der Welle des Abgasturboladers ausgebildet ist, gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a plain bearing for a wave of an exhaust gas turbocharger of an internal combustion engine, in particular one Motor vehicle, with a cylindrical bearing bush, the one axial bearing bore for receiving the shaft of the exhaust gas turbocharger has, wherein in the bearing bore at the axial ends of the cylindrical Bearing bush each have a first plain bearing surface for a radial bearing of the Shaft of the exhaust gas turbocharger is formed on each axial end face the cylindrical bearing bush each have a second plain bearing surface for axial bearing the shaft of the exhaust gas turbocharger is formed, and in an axial Section between the first plain bearing surfaces formed the bearing bore is that a Gap between a wall of the bearing bore and the shaft of the Exhaust gas turbocharger is formed according to the preamble of the claim 1.
Aus der WO 99/07982 ist ein kombiniertes Axial-Radiallager in Form einer einteiligen Lagerbuchse für sowohl axiale als auch radiale Lagerung einer Welle eines Abgasturboladers bekannt. Zur Schmierung des Lagers wird Schmieröl bzgl. der Lagerbuchse mittig unter Druck in eine Lagerbohrung, in welcher sich die Welle des Abgasturboladers dreht, eingeführt. Entlang einer die Welle aufnehmenden Zentralbohrung der Lagerbuchse sind zum Transport des Schmierstoffes von der zentralen Einführung weg und in axialer Richtung hin zu Stirnflächen der Lagerbuchse Axialnuten ausgebildet. Diese stehen in Verbindung mit V-förmigen Radialnuten auf den Stirnflächen der Lagerbuchse.A combined axial / radial bearing is known from WO 99/07982 in the form of a one-piece bearing bush for both axial and radial Bearing of a shaft of an exhaust gas turbocharger is known. For lubrication the bearing becomes lubricating oil with respect to the bearing bush under pressure in a bearing bore, in which rotates the shaft of the exhaust gas turbocharger. Along are a central bore of the bearing bush receiving the shaft to transport the lubricant away from the central inlet and axial grooves towards the end faces of the bearing bush educated. These are in connection with V-shaped radial grooves on the faces the bearing bush.
Der Erfindung liegt die Aufgabe zugrunde, ein Gleitlager der obengenannten Art bzgl. der Lagerung und des Lagerspiels zu verbessern.The invention is based on the object Plain bearings of the type mentioned above in terms of storage and bearing play to improve.
Diese Aufgabe wird erfindungsgemäß durch ein Gleitlager der o.g. Art mit den in Anspruch 1 gekennzeichneten Merkmalen gelöst. Vorteilhafte Ausgestaltungen der Erfindung sind in den abhängigen Ansprüchen angegeben.This object is achieved by a Plain bearing of the above Kind with the features characterized in claim 1 solved. Advantageous embodiments of the invention are specified in the dependent claims.
Dazu ist es erfindungsgemäß vorgesehen, daß im Bereich von jeder der ersten Gleitlagerflächen am Außenumfang der zylindrischen Lagerbuchse jeweils eine Schmierstoffzuführung in Form einer Ringnut ausgebildet ist, wobei erste Bohrungen derart angeordnet und ausgebildet sind, daß diese eine schmierstoffleitende Verbindung zwischen der Ringnut und der jeweiligen ersten Gleitlagerfläche herstellen sowie zweite Bohrungen derart angeordnet und ausgebildet sind, daß diese eine schmierstoffleitende Verbindung zwischen der Ringnut und der jeweiligen zweiten Gleitlagerfläche herstellen.For this purpose, it is provided according to the invention that in the area of each of the first slide bearing surfaces on the outer circumference of the cylindrical Bearing bush each have a lubricant feed in the form of an annular groove is formed, with first bores arranged and formed in this way are that these a lubricant-conducting connection between the ring groove and the respective first plain bearing surface produce and arranged and formed second bores are that these a lubricant-conducting connection between the ring groove and the respective second plain bearing surface produce.
Dies hat den Vorteil, daß separate Schmierstoffkanäle in die Lagerbuchse integriert sind, wobei eine feste Lagerung mit wenigen Einzelbauteilen und mit geringem Lagerspiel bei gleichzeitig ausreichender Schmierung der Gleitflächen zur Verfügung steht. Die separaten Schmierstoffkanäle gewährleisten eine ausreichende Zufuhr von Schmierstoff auch an Stellen weit entfernt vom Ort der Zufuhr von Schmierstoff, welcher dadurch nicht über die Gleifflächen selbst transportiert werden muß. Dies ermöglicht geringere Toleranzen für die radiale Lagerung der Welle. Außerdem wird der Schmierfilm nicht – wie im Falle der Nuten – bezüglich seiner Tragkraft geschwächt.This has the advantage of being separate lubricant channels are integrated into the bearing bush, with a fixed bearing with few individual components and with little bearing play at the same time sufficient lubrication of the sliding surfaces is available. The separate lubricant channels ensure one Adequate supply of lubricant even at locations far away from the location of the supply of lubricant, which does not have Sliding surfaces themselves must be transported. this makes possible lower tolerances for the radial bearing of the shaft. In addition, the lubricating film not how in the case of the grooves - regarding its Load capacity weakened.
Um eine gleichmäßige und ausreichende Schmierung des Gleitlagers herzustellen, sind die ersten Bohrungen und/oder zweiten Bohrungen in Umfangsrichtung gleichmäßig voneinander beabstandet und doppelt so viele zweite Bohrungen wie erste Bohrungen ausgebildet.For an even and sufficient lubrication of the plain bearing are the first holes and / or second holes evenly spaced apart in the circumferential direction and twice as many second holes as first holes.
Zur weiteren Verbesserung der Schmierung der Radiallager an den axialen Enden der Lagerbuchse ist wenigstens einer der zweiten Bohrungen eine Nut auf der zweiten Gleiffläche zugeordnet und diese Nut derart ausgebildet, daß sie eine schmierstoffleitende Verbindung zwischen der zweiten Bohrung und der Lagerbohrung herstellt.To further improve the lubrication of the Radial bearing at the axial ends of the bearing bush is at least one of the second bores is assigned a groove on the second sliding surface and this groove is designed such that it is a lubricant-conducting Establishes connection between the second bore and the bearing bore.
In einer bevorzugten Ausführungsform sind die ersten Bohrungen in radialer Richtung und die zweiten Bohrungen in axialer Richtung ausgebildet, wobei die zweiten Bohrungen parallel zur Lagerbohrung oder in einem vorbestimmten Winkel zur dieser verkippt ausgebildet sind.In a preferred embodiment are the first holes in the radial direction and the second holes formed in the axial direction, the second holes parallel tilted to the bearing bore or at a predetermined angle to this are trained.
Weitere Merkmale, Vorteile und vorteilhafte Ausgestaltungen der Erfindung ergeben sich aus den abhängigen Ansprüchen, sowie aus der nachstehenden Beschreibung der Erfindung anhand der beigefügten Zeichnungen. Diese zeigen inOther features, advantages and advantageous configurations the invention result from the dependent claims, as well from the following description of the invention with reference to the accompanying drawings. These show in
Im Bereich der beiden ersten Gleitlagerflächen
Wie aus
Die flächig ausgebildeten Nuten
Die Anzahl der Bohrungen
Claims (7)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10238415.0A DE10238415B4 (en) | 2002-08-22 | 2002-08-22 | Slide bearing for a shaft of an exhaust gas turbocharger |
| PCT/EP2003/009139 WO2004018843A2 (en) | 2002-08-22 | 2003-08-18 | Plain bearing for turbocharger shaft |
| EP03792364A EP1554477A2 (en) | 2002-08-22 | 2003-08-18 | Plain bearing for turbocharger shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10238415.0A DE10238415B4 (en) | 2002-08-22 | 2002-08-22 | Slide bearing for a shaft of an exhaust gas turbocharger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE10238415A1 true DE10238415A1 (en) | 2004-03-04 |
| DE10238415B4 DE10238415B4 (en) | 2016-08-11 |
Family
ID=31197211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE10238415.0A Expired - Fee Related DE10238415B4 (en) | 2002-08-22 | 2002-08-22 | Slide bearing for a shaft of an exhaust gas turbocharger |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1554477A2 (en) |
| DE (1) | DE10238415B4 (en) |
| WO (1) | WO2004018843A2 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009007696A1 (en) | 2009-02-05 | 2010-08-12 | Bosch Mahle Turbo Systems Gmbh & Co. Kg | Bearing arrangement for rotor of exhaust gas turbocharger in motor vehicle, has sleeves whose front sides are inclined, and longitudinal channel running transverse to inlet channels and connecting inlet channels and front sides |
| EP2565418A1 (en) * | 2011-08-30 | 2013-03-06 | Aktiebolaget SKF | Turbocharger bearing comprising a sleeve between the inner bearing ring and the shaft |
| US8534989B2 (en) | 2010-01-19 | 2013-09-17 | Honeywell International Inc. | Multi-piece turbocharger bearing |
| CN104411923A (en) * | 2012-06-28 | 2015-03-11 | 易安迪机车公司 | Bearing support for a turbocharger |
| WO2018091629A1 (en) * | 2016-11-17 | 2018-05-24 | Turbo Energy Private Limited | Journal thrust bearing bush for supporting the shaft of an exhaust turbocharger |
| WO2019072407A1 (en) * | 2017-10-12 | 2019-04-18 | Ihi Charging Systems International Gmbh | TURBOCHARGER |
| US10520026B2 (en) | 2015-11-13 | 2019-12-31 | Ihi Corporation | Bearing structure and turbocharger |
| WO2022217841A1 (en) * | 2021-04-12 | 2022-10-20 | 湖南天雁机械有限责任公司 | Anti-dry friction bearing sleeve, and bearing system comprising same and supercharger comprising same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8317400B2 (en) * | 2008-09-11 | 2012-11-27 | Honeywell International Inc. | High performance thrust bearing pad |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1147003B (en) * | 1961-08-22 | 1963-04-11 | Siemens Reiniger Werke Ag | Dental drill handpiece with a drive shaft mounted in plain bearings lubricated with compressed air |
| DE3601082C2 (en) * | 1986-01-16 | 1988-01-28 | Aktiengesellschaft Kuehnle, Kopp & Kausch, 6710 Frankenthal, De |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB963443A (en) * | 1961-08-29 | 1964-07-08 | Thompson Ramo Wooldridge Inc | Improvements in or relating to bearing sleeves and assemblies |
| DE6608771U (en) * | 1966-08-24 | 1971-11-11 | Wallace Murray Corp | BEARING FOR FAST ROTATING MACHINERY, PREFERABLY TURBOCHARGER. |
| GB1428733A (en) * | 1973-04-06 | 1976-03-17 | Woollenweber W E | Bearing structure |
| US4613288A (en) * | 1983-05-26 | 1986-09-23 | The Garrett Corporation | Turbocharger |
| EP0494798A1 (en) * | 1991-01-11 | 1992-07-15 | Ishikawajima-Harima Jukogyo Kabushiki Kaisha | Turbocharger |
| US6017184A (en) * | 1997-08-06 | 2000-01-25 | Allied Signal Inc. | Turbocharger integrated bearing system |
| GB0025248D0 (en) * | 2000-10-13 | 2000-11-29 | Holset Engineering Co | A turbine |
-
2002
- 2002-08-22 DE DE10238415.0A patent/DE10238415B4/en not_active Expired - Fee Related
-
2003
- 2003-08-18 EP EP03792364A patent/EP1554477A2/en not_active Withdrawn
- 2003-08-18 WO PCT/EP2003/009139 patent/WO2004018843A2/en not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1147003B (en) * | 1961-08-22 | 1963-04-11 | Siemens Reiniger Werke Ag | Dental drill handpiece with a drive shaft mounted in plain bearings lubricated with compressed air |
| DE3601082C2 (en) * | 1986-01-16 | 1988-01-28 | Aktiengesellschaft Kuehnle, Kopp & Kausch, 6710 Frankenthal, De |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009007696A1 (en) | 2009-02-05 | 2010-08-12 | Bosch Mahle Turbo Systems Gmbh & Co. Kg | Bearing arrangement for rotor of exhaust gas turbocharger in motor vehicle, has sleeves whose front sides are inclined, and longitudinal channel running transverse to inlet channels and connecting inlet channels and front sides |
| US8534989B2 (en) | 2010-01-19 | 2013-09-17 | Honeywell International Inc. | Multi-piece turbocharger bearing |
| EP2565418A1 (en) * | 2011-08-30 | 2013-03-06 | Aktiebolaget SKF | Turbocharger bearing comprising a sleeve between the inner bearing ring and the shaft |
| CN104411923A (en) * | 2012-06-28 | 2015-03-11 | 易安迪机车公司 | Bearing support for a turbocharger |
| US10520026B2 (en) | 2015-11-13 | 2019-12-31 | Ihi Corporation | Bearing structure and turbocharger |
| WO2018091629A1 (en) * | 2016-11-17 | 2018-05-24 | Turbo Energy Private Limited | Journal thrust bearing bush for supporting the shaft of an exhaust turbocharger |
| WO2019072407A1 (en) * | 2017-10-12 | 2019-04-18 | Ihi Charging Systems International Gmbh | TURBOCHARGER |
| CN111247315A (en) * | 2017-10-12 | 2020-06-05 | Ihi供应系统国际有限责任公司 | Exhaust gas turbocharger |
| US11187236B2 (en) | 2017-10-12 | 2021-11-30 | Ihi Charging Systems International Gmbh | Exhaust gas turbocharger |
| WO2022217841A1 (en) * | 2021-04-12 | 2022-10-20 | 湖南天雁机械有限责任公司 | Anti-dry friction bearing sleeve, and bearing system comprising same and supercharger comprising same |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10238415B4 (en) | 2016-08-11 |
| WO2004018843A2 (en) | 2004-03-04 |
| EP1554477A2 (en) | 2005-07-20 |
| WO2004018843A3 (en) | 2004-05-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
| 8110 | Request for examination paragraph 44 | ||
| R084 | Declaration of willingness to licence |
Effective date: 20120407 |
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| R016 | Response to examination communication | ||
| R016 | Response to examination communication | ||
| R018 | Grant decision by examination section/examining division | ||
| R020 | Patent grant now final | ||
| R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |