DE102004003201A1 - Mixer for exhaust gas refining devices for diesel engines has mouth of bore to sensor lying in wet zone of mixing region - Google Patents
Mixer for exhaust gas refining devices for diesel engines has mouth of bore to sensor lying in wet zone of mixing region Download PDFInfo
- Publication number
- DE102004003201A1 DE102004003201A1 DE102004003201A DE102004003201A DE102004003201A1 DE 102004003201 A1 DE102004003201 A1 DE 102004003201A1 DE 102004003201 A DE102004003201 A DE 102004003201A DE 102004003201 A DE102004003201 A DE 102004003201A DE 102004003201 A1 DE102004003201 A1 DE 102004003201A1
- Authority
- DE
- Germany
- Prior art keywords
- bore
- diffuser
- mixing device
- mouth
- mixing
- 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
- 238000002156 mixing Methods 0.000 title claims abstract description 47
- 238000007670 refining Methods 0.000 title abstract 3
- WTHDKMILWLGDKL-UHFFFAOYSA-N urea;hydrate Chemical compound O.NC(N)=O WTHDKMILWLGDKL-UHFFFAOYSA-N 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 2
- 230000001154 acute effect Effects 0.000 claims 1
- 239000000243 solution Substances 0.000 description 18
- 239000000443 aerosol Substances 0.000 description 12
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 9
- 239000013078 crystal Substances 0.000 description 8
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 5
- 239000004202 carbamide Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 238000001035 drying Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003716 rejuvenation Effects 0.000 description 1
- 238000013316 zoning Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/30—Arrangements for supply of additional air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
- F01N2550/05—Systems for adding substances into exhaust
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/08—Adding substances to exhaust gases with prior mixing of the substances with a gas, e.g. air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
- F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
Description
Die Erfindung betrifft eine Mischeinrichtung für Abgasnachbehandlungsvorrichtungen für Dieselmotoren von Kraftfahrzeugen nach dem Oberbegriff des Anspruches 1 bzw. 7.The The invention relates to a mixing device for exhaust aftertreatment devices for diesel engines of motor vehicles according to the preamble of claim 1 and 7, respectively.
Mit Abgasnachbehandlungseinrichtungen werden Stickoxide in den Abgasen von Dieselmotoren reduziert. Hierzu wird ein Druckluft-Abgasnachbehandlungsmedium-Aerosol in den Abgasstrom eingespritzt. Bei der Mischung des Abgasnachbehandlungsmediums, das vorzugsweise 32,5 %ige Harnstoff-Wasser-Lösung ist, mit Luft kann es zu Harnstoffkristallausscheidungen im Übergang der Mischkammern zwischen Naß- und Trockenzone kommen. Diese Kristalle wachsen und setzen die Aerosolleitung zu, so daß die Abgasnachbehandlungsvorrichtung ausfällt.With Exhaust aftertreatment devices become nitrogen oxides in the exhaust gases reduced by diesel engines. For this purpose, a compressed air exhaust aftertreatment medium aerosol injected into the exhaust stream. In the mixture of the exhaust aftertreatment medium, which is preferably 32.5% urea-water solution, with air it can to urea crystal precipitates in the transition of the mixing chambers between Wet and Drying zone come. These crystals grow and set the aerosol line too, so that the Exhaust after-treatment device fails.
Der Erfindung liegt die Aufgabe zugrunde, die gattungsgemäße Mischeinrichtung so auszubilden, daß ein Ausfall der Vorrichtung zuverlässig vermieden wird.Of the Invention is based on the object, the generic mixing device to train so that a Failure of the device reliable is avoided.
Diese Aufgabe wird bei der gattungsgemäßen Mischeinrichtung erfindungsgemäß mit den kennzeichnenden Merkmalen des Anspruches 1 gelöst.These Task is in the generic mixing device according to the invention with the characterizing Characteristics of claim 1 solved.
Bei der erfindungsgemäßen Mischeinrichtung liegt die Mündung der Sensorbohrung in der Naßzone des Mischbereiches. In der Naßzone bilden sich keine Harnstoffkristalle, so daß die Bohrung zum Sensor und in Folge hiervon die Aerosolleitung durch solche Kristalle auch nicht verschlossen werden kann. Dadurch ist zuverlässig gewährleistet, daß die Stickoxide im Abgasstrom durch das Abgasnachbehandlungsmedium einwandfrei reduziert werden.at the mixing device according to the invention lies the mouth the sensor bore in the wet zone of the mixing area. In the wet zone form no urea crystals, so that the Bore to the sensor and in consequence of the aerosol line by such Crystals also can not be closed. This ensures reliable, that the nitrogen oxides properly reduced in the exhaust stream through the exhaust aftertreatment medium become.
Bei eines vorteilhaften Ausbildung wird das Abgasnachbehandlungsmedium in den Luftstrom eingeträufelt. Dadurch wird eine Zonenaufteilung im Mischbereich vermieden. Das Abgasnachbehandlungsmedium gelangt zunächst in den Aufnahmeraum, von dem es über die Zuführbohrung dem Mischbereich zugeführt wird. Auf diese Weise wird das Abgasnachbehandlungsmedium nicht zerstäubt, sondern gleichmäßig dem Luftstrom zugegeben, der das Abgasnachbehandlungsmedium vorteilhaft über eine Zerstäubungsdüse am Abgasrohr dem Abgasstrom zuführt.at An advantageous embodiment is the exhaust aftertreatment medium instilled into the air stream. As a result, a zoning in the mixing area is avoided. The Exhaust gas aftertreatment medium first passes into the receiving space, from it over the feed hole supplied to the mixing area becomes. In this way, the exhaust aftertreatment medium does not atomized, but evenly that Air flow added to the exhaust aftertreatment medium advantageous over a Atomizing nozzle on the exhaust pipe feeds the exhaust gas stream.
Weitere Merkmale der Erfindung ergeben sich aus den weiteren Ansprüchen, der Beschreibung und den Zeichnungen.Further Features of the invention will become apparent from the other claims, the Description and the drawings.
Die Erfindung wird anhand zweier in den Zeichnungen dargestellter Ausführungsbeispiele näher erläutert. Es zeigenThe The invention will be described with reference to two embodiments shown in the drawings explained in more detail. It demonstrate
Die
Mischeinrichtung gemäß
Der
Diffusor
Im
Bereich zwischen dem Diffusor
Im
Bereich zwischen der Eindüsestelle
Durch
den Druck der Harnstoff-Wasser-Lösung,
mit der diese in die Mischkammer
Die
Austrittsöffnung
der Bohrung
Das über den
Anschluß
Bei
der Ausführungsform
nach den
Die
Mischeinrichtung hat das Gehäuse
Der
Ringkanal
In
die Endwand
In
der Mantelfläche
Über die
Bohrung
Die
Bohrung
Da
sich der Ringkanal
Claims (12)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004003201.7A DE102004003201B4 (en) | 2004-01-22 | 2004-01-22 | Mixture for exhaust aftertreatment devices for diesel engines of motor vehicles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004003201.7A DE102004003201B4 (en) | 2004-01-22 | 2004-01-22 | Mixture for exhaust aftertreatment devices for diesel engines of motor vehicles |
Publications (2)
Publication Number | Publication Date |
---|---|
DE102004003201A1 true DE102004003201A1 (en) | 2005-08-11 |
DE102004003201B4 DE102004003201B4 (en) | 2016-12-22 |
Family
ID=34744988
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102004003201.7A Expired - Lifetime DE102004003201B4 (en) | 2004-01-22 | 2004-01-22 | Mixture for exhaust aftertreatment devices for diesel engines of motor vehicles |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102004003201B4 (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7878183B2 (en) | 2007-07-17 | 2011-02-01 | Cummins Filtration Ip, Inc. | Apparatus, system, and method to provide air to a doser injector nozzle |
DE102009038546A1 (en) | 2009-08-25 | 2011-03-10 | Hydraulik-Ring Gmbh | Selective catalytic reduction exhaust gas after-treatment device, has portion of through-channel through which stream of compressed air is guided at supersonic speed, where housing, made of aluminum alloy or stainless steel, is formed |
US8074673B2 (en) | 2004-05-18 | 2011-12-13 | Hydraulik-Ring Gmbh | Freeze-resistant metering valve |
US8201393B2 (en) | 2008-03-05 | 2012-06-19 | Hilite Germany Gmbh | Exhaust-gas aftertreatment device |
US8266892B2 (en) | 2007-01-25 | 2012-09-18 | Friedrich Zapf | Calibrated dosing unit, especially of an exhaust gas treatment unit |
US8875502B2 (en) | 2010-12-14 | 2014-11-04 | Cummins Ltd. | SCR exhaust gas aftertreatment device |
US8938949B2 (en) | 2009-08-03 | 2015-01-27 | Cummins Ltd. | SCR exhaust gas aftertreatment device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4230056A1 (en) * | 1992-09-08 | 1994-03-10 | Man Nutzfahrzeuge Ag | Atomizer device |
EP0826097B1 (en) * | 1995-05-19 | 1998-11-04 | Siemens Aktiengesellschaft | Pre-mixing chamber for an exhaust gas cleaning unit |
DE19945900A1 (en) * | 1999-09-24 | 2001-04-19 | Siemens Ag | Configuration of trace interface in SoC-ASIC |
DE10047531A1 (en) * | 2000-09-22 | 2002-04-18 | Bosch Gmbh Robert | Device for dosing a reducing agent |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19946900A1 (en) * | 1999-06-22 | 2000-12-28 | Bosch Gmbh Robert | Complex system dosing and mixing urea and air, used for nitrogen oxide conversion in vehicle exhaust purification systems, is integrated into or onto single plastic or metal block |
-
2004
- 2004-01-22 DE DE102004003201.7A patent/DE102004003201B4/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4230056A1 (en) * | 1992-09-08 | 1994-03-10 | Man Nutzfahrzeuge Ag | Atomizer device |
EP0826097B1 (en) * | 1995-05-19 | 1998-11-04 | Siemens Aktiengesellschaft | Pre-mixing chamber for an exhaust gas cleaning unit |
DE19945900A1 (en) * | 1999-09-24 | 2001-04-19 | Siemens Ag | Configuration of trace interface in SoC-ASIC |
DE10047531A1 (en) * | 2000-09-22 | 2002-04-18 | Bosch Gmbh Robert | Device for dosing a reducing agent |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8074673B2 (en) | 2004-05-18 | 2011-12-13 | Hydraulik-Ring Gmbh | Freeze-resistant metering valve |
US8266892B2 (en) | 2007-01-25 | 2012-09-18 | Friedrich Zapf | Calibrated dosing unit, especially of an exhaust gas treatment unit |
US8875491B2 (en) | 2007-01-25 | 2014-11-04 | Cummins Ltd. | Exhaust gas aftertreatment system and method |
US7878183B2 (en) | 2007-07-17 | 2011-02-01 | Cummins Filtration Ip, Inc. | Apparatus, system, and method to provide air to a doser injector nozzle |
DE102008033575B4 (en) * | 2007-07-17 | 2016-08-04 | Cummins Filtration Ip, Inc. | Device and system for supplying air to an injection nozzle of a metering device |
US8201393B2 (en) | 2008-03-05 | 2012-06-19 | Hilite Germany Gmbh | Exhaust-gas aftertreatment device |
US8959895B2 (en) | 2008-03-05 | 2015-02-24 | Cummins Ltd. | Exhaust-gas aftertreatment device |
US8938949B2 (en) | 2009-08-03 | 2015-01-27 | Cummins Ltd. | SCR exhaust gas aftertreatment device |
DE102009038546A1 (en) | 2009-08-25 | 2011-03-10 | Hydraulik-Ring Gmbh | Selective catalytic reduction exhaust gas after-treatment device, has portion of through-channel through which stream of compressed air is guided at supersonic speed, where housing, made of aluminum alloy or stainless steel, is formed |
DE102009038546B4 (en) * | 2009-08-25 | 2013-10-24 | Cummins Ltd. | SCR exhaust treatment device |
US8875502B2 (en) | 2010-12-14 | 2014-11-04 | Cummins Ltd. | SCR exhaust gas aftertreatment device |
Also Published As
Publication number | Publication date |
---|---|
DE102004003201B4 (en) | 2016-12-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0306743B1 (en) | Soot filter process and soot filter device for a diesel engine | |
DE3116954C2 (en) | Fuel injection valve for internal combustion engines | |
DE2644464A1 (en) | INJECTION DEVICE FOR FUELS | |
DE60311352T2 (en) | Fuel system with a flow regulator | |
DE102004003201B4 (en) | Mixture for exhaust aftertreatment devices for diesel engines of motor vehicles | |
DE2849945C2 (en) | Exhaust gas turbocharger for an internal combustion engine | |
EP2685060A1 (en) | Reductant metering system with emptying of the reductant line after the end of metering | |
EP0849443A1 (en) | Mixture delivery device | |
EP2825738B1 (en) | Injection device | |
DE112017004546B4 (en) | THROTTLE BODY WITH FLUID FLOW CONTROL | |
DE102010040365A1 (en) | Device for introducing urea/water solution in exhaust gas flow in exhaust gas installation of self-ignition internal combustion engine of motor vehicle, has dosing module dosing reducing agent that is reunited with compressed air | |
DE102010043735A1 (en) | Injector nozzle for injecting urea water solution into exhaust gas stream of diesel engine of motor car for catalytic reduction of nitrogen oxide emission, has enclosure body comprising annular gap into which agent and air are dispensed | |
DE60119007T2 (en) | Fluid injector | |
WO2007065701A1 (en) | Carburetor for a combustion engine, and method for the controlled delivery of fuel | |
DE2900691C2 (en) | ||
DE102020119056B4 (en) | Internal combustion engine with water injection | |
DE102011090035A1 (en) | Device for introducing a reducing agent | |
DE102017211826B3 (en) | Device for injecting water for an internal combustion engine | |
DE4200804C1 (en) | Emissions reducer for oil burner - comprises pipe with throttle valve passing through body with through hole, closable at one end, with lock in valve chamber | |
DE1751063B2 (en) | CARBURETOR FOR COMBUSTION ENGINE | |
DE102005036336A1 (en) | Device for tapping and / or aiming fuel | |
DE4007788A1 (en) | DEVICE FOR INJECTING A FUEL-GAS MIXTURE | |
DE102016014531B3 (en) | Fuel supply system | |
EP0101822A1 (en) | Fuel injector for an internal-combustion engine | |
DE1476748C (en) | Filter device |
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 | ||
R082 | Change of representative |
Representative=s name: WUESTHOFF & WUESTHOFF PATENT- UND RECHTSANWAEL, DE |
|
R081 | Change of applicant/patentee |
Owner name: CUMMINS LTD., GB Free format text: FORMER OWNER: HYDRAULIK-RING GMBH, 97828 MARKTHEIDENFELD, DE Effective date: 20130115 Owner name: CUMMINS LTD., STAINES, GB Free format text: FORMER OWNER: HYDRAULIK-RING GMBH, 97828 MARKTHEIDENFELD, DE Effective date: 20130115 |
|
R082 | Change of representative |
Representative=s name: WUESTHOFF & WUESTHOFF PATENT- UND RECHTSANWAEL, DE Effective date: 20130115 Representative=s name: WUESTHOFF & WUESTHOFF, PATENTANWAELTE PARTG MB, DE Effective date: 20130115 |
|
R016 | Response to examination communication | ||
R018 | Grant decision by examination section/examining division | ||
R020 | Patent grant now final | ||
R071 | Expiry of right |