DE10232318A1 - Machine housing for an internal combustion engine - Google Patents
Machine housing for an internal combustion engine Download PDFInfo
- Publication number
- DE10232318A1 DE10232318A1 DE2002132318 DE10232318A DE10232318A1 DE 10232318 A1 DE10232318 A1 DE 10232318A1 DE 2002132318 DE2002132318 DE 2002132318 DE 10232318 A DE10232318 A DE 10232318A DE 10232318 A1 DE10232318 A1 DE 10232318A1
- Authority
- DE
- Germany
- Prior art keywords
- machine housing
- connecting element
- internal combustion
- combustion engine
- thermal expansion
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B75/22—Multi-cylinder engines with cylinders in V, fan, or star arrangement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0002—Cylinder arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0002—Cylinder arrangements
- F02F7/0012—Crankcases of V-engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0043—Arrangements of mechanical drive elements
- F02F7/0053—Crankshaft bearings fitted in the crankcase
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2251/00—Material properties
- F05C2251/04—Thermal properties
- F05C2251/042—Expansivity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2251/00—Material properties
- F05C2251/04—Thermal properties
- F05C2251/042—Expansivity
- F05C2251/046—Expansivity dissimilar
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
Maschinengehäuse (1), insbesondere Zylinderkurbelgehäuse für eine Brennkraftmaschine, in dem sich zwischen zwei gegenüberliegenden Gehäusewänden (3, 3') zumindest ein Lagerstuhl (2, 2') für eine Welle erstreckt und die Gehäusewände (3, 3') über ein Verbindungselement (4, 4') in Richtung des Lagerstuhls (2, 2') versteift sind, wobei das Maschinengehäuse (1) aus einem Material mit einem größeren Wärmeausdehnungskoeffizienten als das Verbindungselement (4, 4') ist. DOLLAR A Aufgrund der erfindungsgemäßen Ausgestaltung ist ein höherer Zylinderinnendruck für die Brennkraftmaschine zulässig, bei gleicher Lagerdimensionierung.Machine housing (1), in particular a cylinder crankcase for an internal combustion engine, in which at least one bearing bracket (2, 2 ') for a shaft extends between two opposite housing walls (3, 3') and the housing walls (3, 3 ') via a connecting element ( 4, 4 ') are stiffened in the direction of the bearing bracket (2, 2'), the machine housing (1) being made of a material with a greater coefficient of thermal expansion than the connecting element (4, 4 '). DOLLAR A Due to the configuration according to the invention, a higher internal cylinder pressure is permissible for the internal combustion engine, with the same bearing dimensions.
Description
Die Erfindung betrifft ein Maschinengehäuse für eine Brennkraftmaschine gemäß der Merkmale im Oberbegriff des Patentanspruchs 1.The invention relates to a machine housing for an internal combustion engine according to the characteristics in the preamble of claim 1.
Sie geht von der deutschen Patentschrift
Wie allgemein bekannt ist, ist eine Maßnahme zur Leistungssteigerung bei modernen Brennkraftmaschinen die Steigerung des Zylinderinnendrucks bei der Verbrennung. Eine Erhöhung des Zylinderinnendruckes bedeutet einen besseren Wirkungs grad, und somit effizientere Brennkraftmaschinen. Neben weiteren Faktoren wird der heute maximale Zylinderinnendruck durch die Kurbelwellenlagerung begrenzt.As is well known, one is measure to increase performance in modern internal combustion engines the internal cylinder pressure during combustion. An increase in Cylinder pressure means better efficiency, and therefore more efficient internal combustion engines. In addition to other factors, the maximum cylinder pressure today due to the crankshaft bearing limited.
Aufgabe der vorliegenden Erfindung ist es, ein gattungsgemäßes Zylinderkurbelgehäuse aufzuzeigen, welches höhere Zylinderinnendrücke bei einer unveränderten Lagerstuhldimensionierung zulässt.Object of the present invention is to show a generic cylinder crankcase, which higher Cylinder internal pressures with an unchanged Dimensioning of the warehouse.
Diese Aufgabe wird durch das Merkmal im kennzeichnenden Teil des Patentanspruchs 1 gelöst.This task is characterized by the feature solved in the characterizing part of claim 1.
Durch die Differenz der Wärmeausdehnungskoeffizienten des Maschinengehäuses und des Verbindungselementes wird im warmen Betriebszustand der Brennkraftmaschine eine statische Druckspannung im Übergangsradius beidseitig des Lagerstuhls am Übergang zu den Gehäusewänden generiert. Diese statische Druckvorspannung ermöglicht eine deutlich höhere dynamische Druck- bzw. Zugbetriebsbelastung, wodurch bei dauerfester Auslegung des Maschinengehäuses der Auslegungszünddruck, der maximale Zylinderinnendruck, entsprechend angehoben werden kann. Damit kann bei gegebenem Bauraum und Gewicht die Leistungsdichte von Brennkraftmaschinen wesentlich erhöht werden, wodurch in vorteilhafter Weise der Wirkungsgrad der Brennkraftmaschine verbessert wird.By the difference in the coefficient of thermal expansion of the machine housing and the connecting element is in the warm operating state Internal combustion engine a static compressive stress in the transition radius on both sides of the camp chair at the transition generated to the housing walls. This static pressure preload enables a significantly higher dynamic Pressure or train operating load, whereby with a permanent design of the machine housing the design ignition pressure, the maximum cylinder pressure, can be raised accordingly. With a given installation space and weight, the power density can be reduced of internal combustion engines can be increased significantly, making them more advantageous Way the efficiency of the internal combustion engine is improved.
Je nach Belastung des Maschinengehäuses, bzw. des Lagerstuhls durch den Zylinderinnendruck kann gemäß Patentanspruch 2 ein Verbindungselement für einen einzigen Lagerbereich eines Lagerstuhls vorgesehen sein bzw. ein gemeinsames Verbindungselement für mehrere Lagerbereiche. Durch das Überdecken mehrerer Lagerbereiche mit einem Verbindungselement werden einfach zu montierende Verbindungselemente erzielt.Depending on the load on the machine housing or the bearing bracket by the cylinder pressure can according to claim 2 a connecting element for a single storage area of a storage chair can be provided or a common connecting element for several storage areas. By covering up Multiple storage areas with a connecting element are easy connecting elements to be assembled achieved.
Die Ausgestaltung gemäß Patentanspruch 3 erlaubt eine einfache Montage bzw. Demontage des Verbindungselementes von dem Maschinengehäuse.The design according to claim 3 allows easy assembly and disassembly of the connecting element from the machine housing.
Gemäß Patentanspruch 4 und Patentanspruch 5 können sowohl das Maschinengehäuse als auch das Verbindungselement aus heute handelsüblichen und für Brennkraftmaschinen gängigen Werkstoffen hergestellt werden. So ist beispielsweise für das Maschinengehäuse Aluminiumguss mit einem linearen Wärmeausdehnungsko effizienten (Längenausdehnungskoeffizient) α = 21,7 × 10–6 [1/K], bzw. Alusil mit einem Wärmeausdehnungskoeffizienten α = 19,2 × 10–6 [1/K] oder Magnesiumguss mit einem Wärmeausdehnenskoeffizienten α = 26,7 × 10–6 [1/K] einsetzbar. Demgegenüber kann das Verbindungselement z. B. aus Schmiedestahl C45, mit einem Wärmeausdehnungskoeffizienten α = 11,7 × 10–6 [1/K] oder Grauguss mit einem Wärmeausdehnungskoeffizienten α = 11,0 × 10–6 [1/K] bzw. Chrommolybdänstahl mit einem Wärmeausdehnungskoeffizienten α = 12,0 × 10–6 [1/K] hergestellt werden. Darüber hinaus kann für das Verbindungselement auch glasfaserverstärkter Kunststoff mit einem Wärmeausdehnungskoeffizienten α = 5,2 × 10–6 [1/K] verwendet werden, wenn gleichzeitig ein Graugussmaschinengehäuse mit einem Wärmeausdehnungskoeffizienten α = 11,0 × 10–6 [1/K] zum Einsatz kommt. Mit diesen, hier beispielhaft und nicht vollständig genannten Werkstoffkombinationen sind in vorteilhafter Weise viele heute üblicher Materialien für Maschinengehäuse abgedeckt.According to claim 4 and claim 5, both the machine housing and the connecting element can be made from materials that are commercially available today and are common for internal combustion engines. For example, for the machine housing, cast aluminum with a linear coefficient of thermal expansion (coefficient of linear expansion) α = 21.7 × 10 –6 [1 / K], or Alusil with a coefficient of thermal expansion α = 19.2 × 10 –6 [1 / K] or magnesium casting with a thermal expansion coefficient α = 26.7 × 10 –6 [1 / K] can be used. In contrast, the connecting element z. B. from forged steel C45, with a coefficient of thermal expansion α = 11.7 × 10 -6 [1 / K] or gray cast iron with a coefficient of thermal expansion α = 11.0 × 10 -6 [1 / K] or chrome molybdenum steel with a coefficient of thermal expansion α = 12.0 x 10 -6 [1 / K]. In addition, glass fiber reinforced plastic with a coefficient of thermal expansion α = 5.2 × 10 −6 [1 / K] can also be used for the connecting element if a gray cast iron machine housing with a coefficient of thermal expansion α = 11.0 × 10 −6 [1 / K] is used. With these material combinations, which are mentioned here by way of example and are not fully mentioned, many materials which are common today for machine housings are advantageously covered.
Im Folgenden ist die Erfindung anhand eines bevorzugten Ausführungsbeispieles in einer einzigen Figur näher erläutert.The invention is described below of a preferred embodiment closer in a single figure explained.
Das Verbindungselement
Das Zylinderkurbelgehäuse ist
im Ausführungsbeispiel
aus Aluminiumguss, mit einem Wärmeausdehnungskoeffizienten α =
21,7 × 10–6 [1/K],
während
das Verbindungselement
In weiteren Ausführungsvarianten kann das Maschinengehäusematerial auch aus:
- – Alusil
mit einem Wärmeausdehnungskoeffizienten α =
19,2 × 10–6 [1/K]
in Verbindung mit einem Verbindungselement
4 ,4' aus einem Gussmaterial mit einem Wärmeausdehnungskoeffizienten α = 11,0 × 10–6 [1/K], oder - – Magnesiumguss
mit einem Wärmeausdehnenskoeffizienten α =
26,7 × 10–6 [1/K]
in Verbindung mit einem Verbindungselement
4 ,4' aus Chrommolybdänstahl mit einem Wärmeausdehnungskoeffizienten α = 12,0 × 10–6 [1/K] sein.
- - Alusil with a coefficient of thermal expansion α = 19.2 × 10 –6 [1 / K] in connection with a connecting element
4 .4 ' from a cast material with a coefficient of thermal expansion α = 11.0 × 10 -6 [1 / K], or - - Magnesium casting with a thermal expansion coefficient α = 26.7 × 10 –6 [1 / K] in connection with a connecting element
4 .4 ' made of chromium molybdenum steel with a coefficient of thermal expansion α = 12.0 × 10 -6 [1 / K].
Eine weitere technisch relevante
Variante ist die Werkstoffpaarung für ein Maschinengehäusematerial
aus:
– Grauguss
mit einem Wärmeausdehnungskoeffizienten α =
11,0 × 10–6 [1/K]
in Verbindung mit einem Verbindungselement
- Gray cast iron with a coefficient of thermal expansion α = 11.0 × 10 –6 [1 / K] in connection with a connecting element
Darüber hinaus kann das Verbindungselement
Im vorliegenden Ausführungsbeispiel
ist für jeden
Lagerbereich ein eigenes Verbindungselement
Neben einer Schraubverbindung zwischen Verbindungselement
- 11
- Maschinengehäusemachine housing
- 2, 2'2, 2 '
- Lagerstuhlbearing block
- 3, 3'3, 3 '
- Gehäusewandhousing wall
- 4, 4'4, 4 '
- Verbindungselementconnecting element
- 5, 5'5, 5 '
- Lagerdeckelbearing cap
- 6, 6'6 6 '
- Schraubescrew
Claims (6)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2002132318 DE10232318A1 (en) | 2002-07-17 | 2002-07-17 | Machine housing for an internal combustion engine |
EP20030012574 EP1382828B1 (en) | 2002-07-17 | 2003-06-03 | Crankcase for an internal combustion engine |
DE50307931T DE50307931D1 (en) | 2002-07-17 | 2003-06-03 | Machine housing for an internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2002132318 DE10232318A1 (en) | 2002-07-17 | 2002-07-17 | Machine housing for an internal combustion engine |
Publications (1)
Publication Number | Publication Date |
---|---|
DE10232318A1 true DE10232318A1 (en) | 2004-02-05 |
Family
ID=29762015
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2002132318 Withdrawn DE10232318A1 (en) | 2002-07-17 | 2002-07-17 | Machine housing for an internal combustion engine |
DE50307931T Expired - Lifetime DE50307931D1 (en) | 2002-07-17 | 2003-06-03 | Machine housing for an internal combustion engine |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE50307931T Expired - Lifetime DE50307931D1 (en) | 2002-07-17 | 2003-06-03 | Machine housing for an internal combustion engine |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1382828B1 (en) |
DE (2) | DE10232318A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005057717A1 (en) * | 2005-12-02 | 2007-06-06 | Fev Motorentechnik Gmbh | Cylinder crankcase for internal combustion engine, has dead plate whose walls are strutted over bars transverse to crankshaft axis, where bars are arranged between bearing cap and/or region of main support without connecting to cap |
Citations (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE834624C (en) * | 1941-06-03 | 1952-03-20 | Daimler Benz Ag | Split plain bearing |
DE853842C (en) * | 1941-02-28 | 1952-10-27 | Daimler Benz Ag | Crankcase for two-shaft engine |
US2997347A (en) * | 1959-05-21 | 1961-08-22 | Nat Lead Co | Bearing cap for internal combustion engines |
US3046954A (en) * | 1961-01-18 | 1962-07-31 | Gen Motors Corp | Crankcase and bearing structure for internal combustion engines |
DE2136631C2 (en) * | 1971-07-22 | 1983-11-24 | M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8900 Augsburg | Multi-cylinder reciprocating internal combustion engine with suspended crankshaft bearings |
DE3829163A1 (en) * | 1988-08-27 | 1989-06-15 | Daimler Benz Ag | Crankshaft bearing for an internal combustion engine |
DE3823920C2 (en) * | 1987-07-14 | 1989-08-10 | Mazda Motor Corp., Hiroshima, Jp | |
US4911118A (en) * | 1988-04-05 | 1990-03-27 | Mazda Motor Corporation | Cylinder block reinforcement construction for engine |
EP0515773A1 (en) * | 1991-05-25 | 1992-12-02 | Bayerische Motoren Werke Aktiengesellschaft | Reinforced structure of a cylinder block of a machine with pistons specially an internal combustion engine |
DE4228689A1 (en) * | 1991-08-29 | 1993-03-04 | Mazda Motor | ENGINE BLOCK |
DE4334444C1 (en) * | 1993-10-09 | 1994-09-15 | Ford Werke Ag | Internal combustion engine with a crankshaft fixed in a cylinder block by way of bearing caps |
DE19524070C1 (en) * | 1995-07-01 | 1996-08-29 | Ford Werke Ag | IC engine with crankshaft fixed in cylinder block above bearing caps |
DE19628915A1 (en) * | 1996-07-18 | 1997-05-07 | Audi Ag | Fastening for bearing caps |
DE4342041C2 (en) * | 1993-12-09 | 1999-12-30 | Audi Ag | Crankshaft repository for an internal combustion engine |
DE19907661A1 (en) * | 1999-02-23 | 2000-08-24 | Bayerische Motoren Werke Ag | Crankshaft bearing arrangement in a crankcase of a reciprocating engine, in particular an internal combustion engine |
DE19949929C1 (en) * | 1999-10-16 | 2001-01-11 | Daimler Chrysler Ag | IC engine crankshaft bearing has ratios between clamped lengths of different parts of bearing corresponding to ratios of their different thermal expansion coefficients |
US6253725B1 (en) * | 1998-12-02 | 2001-07-03 | Mtu Mortoren- Und Turbinen-Union Friedrichshafen Gmbh | Crankcase and method of making same |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4729352A (en) * | 1984-11-28 | 1988-03-08 | Honda Giken Kogyo Kabushiki Kaisha | Crankshaft supporting structure for multicylinder internal combustion engines |
DE3444838C2 (en) * | 1984-12-08 | 1986-10-30 | Bayerische Motoren Werke AG, 8000 München | Housing for reciprocating internal combustion engine, in particular engine block |
JPS6368756A (en) * | 1986-09-10 | 1988-03-28 | Mazda Motor Corp | Noise insulating structure for engine |
JP2548173Y2 (en) * | 1989-09-12 | 1997-09-17 | マツダ株式会社 | Engine cylinder block reinforcement structure |
-
2002
- 2002-07-17 DE DE2002132318 patent/DE10232318A1/en not_active Withdrawn
-
2003
- 2003-06-03 EP EP20030012574 patent/EP1382828B1/en not_active Expired - Lifetime
- 2003-06-03 DE DE50307931T patent/DE50307931D1/en not_active Expired - Lifetime
Patent Citations (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE853842C (en) * | 1941-02-28 | 1952-10-27 | Daimler Benz Ag | Crankcase for two-shaft engine |
DE834624C (en) * | 1941-06-03 | 1952-03-20 | Daimler Benz Ag | Split plain bearing |
US2997347A (en) * | 1959-05-21 | 1961-08-22 | Nat Lead Co | Bearing cap for internal combustion engines |
US3046954A (en) * | 1961-01-18 | 1962-07-31 | Gen Motors Corp | Crankcase and bearing structure for internal combustion engines |
DE2136631C2 (en) * | 1971-07-22 | 1983-11-24 | M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8900 Augsburg | Multi-cylinder reciprocating internal combustion engine with suspended crankshaft bearings |
DE3823920C2 (en) * | 1987-07-14 | 1989-08-10 | Mazda Motor Corp., Hiroshima, Jp | |
US4911118A (en) * | 1988-04-05 | 1990-03-27 | Mazda Motor Corporation | Cylinder block reinforcement construction for engine |
DE3829163A1 (en) * | 1988-08-27 | 1989-06-15 | Daimler Benz Ag | Crankshaft bearing for an internal combustion engine |
EP0515773A1 (en) * | 1991-05-25 | 1992-12-02 | Bayerische Motoren Werke Aktiengesellschaft | Reinforced structure of a cylinder block of a machine with pistons specially an internal combustion engine |
DE4228689A1 (en) * | 1991-08-29 | 1993-03-04 | Mazda Motor | ENGINE BLOCK |
DE4334444C1 (en) * | 1993-10-09 | 1994-09-15 | Ford Werke Ag | Internal combustion engine with a crankshaft fixed in a cylinder block by way of bearing caps |
DE4342041C2 (en) * | 1993-12-09 | 1999-12-30 | Audi Ag | Crankshaft repository for an internal combustion engine |
DE19524070C1 (en) * | 1995-07-01 | 1996-08-29 | Ford Werke Ag | IC engine with crankshaft fixed in cylinder block above bearing caps |
DE19628915A1 (en) * | 1996-07-18 | 1997-05-07 | Audi Ag | Fastening for bearing caps |
US6253725B1 (en) * | 1998-12-02 | 2001-07-03 | Mtu Mortoren- Und Turbinen-Union Friedrichshafen Gmbh | Crankcase and method of making same |
DE19907661A1 (en) * | 1999-02-23 | 2000-08-24 | Bayerische Motoren Werke Ag | Crankshaft bearing arrangement in a crankcase of a reciprocating engine, in particular an internal combustion engine |
DE19949929C1 (en) * | 1999-10-16 | 2001-01-11 | Daimler Chrysler Ag | IC engine crankshaft bearing has ratios between clamped lengths of different parts of bearing corresponding to ratios of their different thermal expansion coefficients |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005057717A1 (en) * | 2005-12-02 | 2007-06-06 | Fev Motorentechnik Gmbh | Cylinder crankcase for internal combustion engine, has dead plate whose walls are strutted over bars transverse to crankshaft axis, where bars are arranged between bearing cap and/or region of main support without connecting to cap |
Also Published As
Publication number | Publication date |
---|---|
DE50307931D1 (en) | 2007-09-27 |
EP1382828A1 (en) | 2004-01-21 |
EP1382828B1 (en) | 2007-08-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
8139 | Disposal/non-payment of the annual fee |