EP1926907A2 - Vorrichtung zur steuerung eines abgasstroms - Google Patents
Vorrichtung zur steuerung eines abgasstromsInfo
- Publication number
- EP1926907A2 EP1926907A2 EP06791380A EP06791380A EP1926907A2 EP 1926907 A2 EP1926907 A2 EP 1926907A2 EP 06791380 A EP06791380 A EP 06791380A EP 06791380 A EP06791380 A EP 06791380A EP 1926907 A2 EP1926907 A2 EP 1926907A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- closure member
- exhaust gas
- actuator
- control mechanism
- slide element
- 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
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000002485 combustion reaction Methods 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims abstract 8
- 230000033001 locomotion Effects 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/65—Constructional details of EGR valves
- F02M26/66—Lift valves, e.g. poppet valves
- F02M26/69—Lift valves, e.g. poppet valves having two or more valve-closing members
-
- 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
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
- F02M26/23—Layout, e.g. schematics
- F02M26/25—Layout, e.g. schematics with coolers having bypasses
- F02M26/26—Layout, e.g. schematics with coolers having bypasses characterised by details of the bypass valve
-
- 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
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/38—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with two or more EGR valves disposed in parallel
-
- 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
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/39—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with two or more EGR valves disposed in series
-
- 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
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/65—Constructional details of EGR valves
- F02M26/66—Lift valves, e.g. poppet valves
- F02M26/67—Pintles; Spindles; Springs; Bearings; Sealings; Connections to 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
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/65—Constructional details of EGR valves
- F02M26/71—Multi-way valves
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86493—Multi-way valve unit
- Y10T137/86718—Dividing into parallel flow paths with recombining
- Y10T137/86759—Reciprocating
Definitions
- the present invention relates to a device for controlling an exhaust gas stream according to the preamble of claim 1.
- the recirculated exhaust gas is generally to be cooled by means of an exhaust gas cooler, wherein to ensure the function regularly a bypass line is arranged parallel to the exhaust gas cooler.
- a bypass line is arranged parallel to the exhaust gas cooler.
- control valves are known in which a first valve performs the dosage and a second valve distributes the cooler and bypass. Generally, this requires two separate drive units for the butterfly valves.
- At least the first slider element is force-urged in the closing direction by means of a spring, whereby a particularly tight closure of the closure member is present in the closed position.
- the exhaust gas flow preferably exerts a pressure in the opening direction on at least the first closure member.
- the actuator and also the control mechanism can be made physically small, since only small opening forces are required.
- the exhaust gas flow can also act in the closing direction on the closure member.
- At least the first slide element another, to the first closure member movable closure member is provided, the closure members in the course of an opening movement of the slide member successively release an associated opening.
- a substantially two-stage opening of the path of the first slide element can be achieved, which is given by simple means a particularly flexible adjustability of the exhaust gas flow.
- suitable, for example, conical shape of the closure member and a good stepless adjustability can be realized in addition to the two-stage.
- the control mechanism comprises at least one rotatably mounted lever in order to deflect the force of the actuator suitably to the slide elements.
- the control mechanism may also comprise a rotatable shaft with an eccentric element or a link plate.
- These mechanical elements of the control mechanism are each suitable for themselves or in combination to associate an opening of the first slider element and a second position of the actuator, an opening of the second slider element a first position of the actuator.
- the actuator may preferably comprise a linear, in particular hydraulic, drive unit or, alternatively, a rotary, in particular electromotive, drive unit.
- each actuator is suitable for combination with a device according to the invention. With a suitable design of the control mechanism, the spatial arrangement of the actuator can be carried out so that the actuator undergoes only a small heat load by the recirculated exhaust gas.
- At least the first closure member is plate-shaped. Sealing closing valve plates require only little installation space and can be produced inexpensively.
- At least the first closure member is conical, whereby a suitable shaping of a particularly good adjustability of the opening between the respective terminals is possible.
- At least the first closure member may comprise a rotatable damper.
- any suitable from the temperature requirements forth suitable design of a valve closure can be provided.
- FIG. 1 shows a schematic sectional view of a first exemplary embodiment of a device according to the invention.
- Fig. 2 shows a schematic sectional view of a second embodiment of a device according to the invention.
- the device according to the first embodiment of Fig. 1 comprises a housing 1 having a first terminal 2, a second terminal 3 and a third terminal 4.
- the first terminal 2 is divided according to the drawing, but on a suitable, not shown branch on the same exhaust duct connected to the supply of exhaust gas of an internal combustion engine.
- the two separate according to the schematic sectional view chambers 2a, 2b of the housing 1 are thus subjected to substantially the same exhaust gas pressure.
- the chamber 3a has a connection 3b to the chamber 2a of the terminal 2 and a connection 3c to the chamber 2b of the terminal 2.
- the chamber 4a has a connection 4b to the chamber 2a of the terminal 2 and a connection 4c to the chamber 2b of the terminal 2.
- the compounds 4b, 4c and the compounds 3b, 3c are each in pairs on a common axis.
- a first slider element 6 is arranged along the connection axis of the connections 4b, 4c. It comprises a slide rod 6a, which is movable in translation in its longitudinal direction and which engages on an outer opening 6b the housing 1 is slidably guided in a substantially sealing. At one end of the pusher rod 6a is a closure member connected to the valve rod 6a and designed as a valve disk 6c, which can sealingly abut the connection 4c.
- a second valve disk 6d is slidably mounted on the slide rod 6a and supported against the first valve disk 6c via a spring element 6g. Andemends the pusher rod 6a, this has a slider 6e, wherein a spring 6f between the wall of the chamber 2a and the slider 6e is supported.
- the spring 6f acts on the first slide element 6 with a force directed to the left.
- the second valve plate 6d is pressed by the spring 6g sealingly on the connection 4b, so that the spring 6g exerts a force opposite to the support against the housing 1 of the spring 6f opposite force.
- the spring 6f is designed to be stronger than the spring 6g, so that the summed spring forces hold both valve disks 6c, 6d in the closed position.
- a second slide element 7 is arranged, which is constructed in the same way as the first slide element 6, so that its components carry corresponding reference numerals 7a to 7g.
- the second slide element 7 is arranged on the axis of the connections 3b, 3c so that its valve plates 7c, 7d are arranged to close off the connections 3c, 3b.
- the second slide element 7 is shown in a fully open position, which can be seen at the shifted to the right position of the slide rod 7a.
- the first valve disk 7c of the second slide element 7 has a greater distance from its associated opening 3c than the second valve disk 7d from the opening 3b associated with it.
- a control mechanism 8 comprises a rotatably mounted lever 8 a, wherein the pivot point is stationary relative to the housing 1.
- the rotatably mounted lever 8a is formed so that, when moving in one direction, a sliding surface 8b of the lever 8a cooperates with the slide cam 6e of the first slider element and deflects in the opposite direction with the slide cam 7e of the second slider element 7.
- the respective non-actuated slide element in each case out of engagement with the sliding surface 8b of the lever 8a, so that this slide element is closed due to the spring forces described above.
- An unillustrated actuator is formed in the form of a linear hydraulic force introduction unit.
- the lever 8a can be drivably moved in one or the other direction, whereby either the first slide element 6 or the second slide element 7 is actuated in the opening direction.
- the chambers 2 a, 2 b supplying the exhaust gas are respectively connected to the chamber 4 a via the connections 4 b, 4 c.
- the connection 4 leads to an exhaust gas cooler of the recirculated exhaust gas.
- the second slide element 7 is actuated in the opening direction, wherein the channels 2a, 2b are connected via the connections 3b, 3c with the channel 3a.
- the channel 3a is connected via the port 3 with a bypass line in communication, which bypasses the exhaust gas cooler in parallel.
- valve disks 4b, 4c, 3b, 3c can be formed at least partially conical and, if appropriate, accommodated in corresponding cup-shaped valve seats be to allow an even finer dosage of the recirculated exhaust gas stream.
- the second exemplary embodiment according to FIG. 2 has only one single feeding chamber 102a with a connection 102.
- the feeding chamber 102a is connected to a chamber 103a of a second connection 103 via a first connection opening 103b and via a connection opening 104b with a chamber 104a of a third port 104.
- a first slide element 106 and a second slide element 107 are provided.
- each of the slide elements 106, 107 has only one valve plate 106c, 107c, which in each case at the end of a corresponding slide rod 106a, 107a is fixed.
- the two slide rods 106a, 107a are guided in openings 106b, 107b of the housing 101 and are subjected to a force in the closing direction via springs 106f, 107f.
- At the end of the slide rods 106a, 107a are sliding surfaces 106e, 107e.
- the control mechanism 108 of the second embodiment comprises a rotatable shaft 108a, which is perpendicular to the slide rods 106a and 107a and each at the height of the sliding surfaces 106e, 107e cam-like eccentric elements 108b, 108c.
- the eccentric elements 108b, 108c are substantially identical in form, but set at a rotational angle of 180 ° to one another on the shaft 108a.
- an eccentric 108b engages the sliding surface 107e opposite to it so that the slide rod 107a is pushed in the opening direction against the spring force and the slide element 107 is opened.
- the other eccentric 108b does not engage the sliding surface 106e of the first slider element 106, so that the first slider element 106 is closed due to the spring force.
- the cams 108b, 108c are formed so steeply that there is a position of the rotary shaft 108a in which none of the slide members 106, 107 is opened. Due to the shape of the Flanks of the cams is depending on the rotational position and a partial opening of a slide element 106, 107 possible, the other slide element is closed.
- An unillustrated actuator is formed in the manner of an electric motor and optionally connected via a transmission gear with the rotary shaft 108a. But it may also be a linear hydraulic cylinder, which transmits, for example via a rack and a pinion linear motion in the rotational movement of the rotary shaft 108a.
- the components, in particular the control mechanisms 8, 108, of the first and the second embodiment can be interchanged.
- only one of the slide elements can be designed in two stages.
- the arrangement of the closure spring can be acted upon by the exhaust gas pressure in the closing direction or in the opening direction, depending on the arrangement.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust-Gas Circulating Devices (AREA)
- Exhaust Silencers (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200510044089 DE102005044089A1 (de) | 2005-09-08 | 2005-09-08 | Vorrichtung zur Steuerung eines Abgasstroms |
| PCT/DE2006/001611 WO2007028381A2 (de) | 2005-09-08 | 2006-09-07 | Vorrichtung zur steuerung eines abgasstroms |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1926907A2 true EP1926907A2 (de) | 2008-06-04 |
| EP1926907B1 EP1926907B1 (de) | 2016-08-31 |
Family
ID=37763188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP06791380.6A Not-in-force EP1926907B1 (de) | 2005-09-08 | 2006-09-07 | Vorrichtung zur steuerung eines abgasstroms |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7938106B2 (de) |
| EP (1) | EP1926907B1 (de) |
| JP (1) | JP2009507172A (de) |
| CN (1) | CN101287901A (de) |
| DE (1) | DE102005044089A1 (de) |
| WO (1) | WO2007028381A2 (de) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20080450A1 (it) * | 2008-03-17 | 2009-09-18 | Dellorto Spa | Valvola egr per il ricircolo dei gas di scarico al collettore di aspirazione di motori a combustione interna. |
| DE102008027490A1 (de) * | 2008-06-10 | 2009-12-31 | Pierburg Gmbh | Ventilsystem |
| EP2133546B1 (de) | 2008-06-12 | 2011-08-17 | Kia Motors Corporation | Abgasrückführungsvorrichtung und Fahrzeug |
| JP4793454B2 (ja) * | 2009-02-06 | 2011-10-12 | 株式会社デンソー | 高圧egr装置 |
| DE102009036284A1 (de) | 2009-08-06 | 2011-02-24 | Pierburg Gmbh | Ventilvorrichtung für eine Verbrennungskraftmaschine |
| DE102009051787B4 (de) | 2009-11-03 | 2011-11-10 | Pierburg Gmbh | Vorrichtung zur Steuerung eines Abgasstroms einer Verbrennungskraftmaschine |
| DE102010006037B4 (de) | 2010-01-27 | 2013-01-17 | Pierburg Gmbh | Ventilvorrichtung für eine Verbrennungskraftmaschine |
| FR2983252B1 (fr) * | 2011-11-25 | 2015-01-30 | Valeo Systemes De Controle Moteur | Vanne de controle pour systeme de recirculation des gaz d'echappement d'un moteur a combustion interne |
| DE102016211725B4 (de) | 2016-06-29 | 2019-06-19 | Hanon Systems | Ventilanordnung für AGR-Kühler |
| DE102016211724B4 (de) | 2016-06-29 | 2019-06-19 | Hanon Systems | AGR-Kühler-Anordnung mit selektiv tätigem Bypassventil |
| CN110230558B (zh) * | 2019-06-29 | 2024-05-07 | 无锡同益汽车动力技术有限公司 | 一种双阀芯热端egr阀阀座结构 |
| CN111188708B (zh) * | 2019-12-03 | 2021-11-30 | 一汽解放汽车有限公司 | 一种发动机排气再循环装置及发动机 |
| CN112392985A (zh) * | 2020-11-11 | 2021-02-23 | 济南德创试验仪器有限公司 | 一种三位四通电磁球阀 |
| EP4105555B1 (de) * | 2021-06-14 | 2024-10-09 | Siemens Aktiengesellschaft | Gasventilanordnung |
| CN114877102B (zh) * | 2022-05-20 | 2025-12-16 | 大连中和聚能自动控制系统有限公司 | 一种用于气动阀门定位器的大流量阀体 |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4048967A (en) * | 1972-08-25 | 1977-09-20 | Robert Bosch Gmbh | System for detoxicating exhaust gases |
| JPS5264537A (en) * | 1975-11-25 | 1977-05-28 | Toyota Motor Corp | Digital controller for egr gas amount of internal combustion engine |
| DE69133098T2 (de) | 1990-11-06 | 2003-04-17 | Mazda Motor Corp., Hiroshima | Abgasrückführungssystem für eine Brennkraftmaschine |
| DE19733964B4 (de) | 1997-08-06 | 2010-04-29 | Volkswagen Ag | Ventilanordnung zur Steuerung eines rückgeführten Abgasstromes |
| GB2329001B (en) * | 1997-09-04 | 2001-09-05 | Gen Motors Corp | Exhaust gas recirculation valve |
| WO1999061775A1 (en) * | 1998-05-27 | 1999-12-02 | Mitsubishi Denki Kabushiki Kaisha | Exhaust gas reflux valve |
| US6006732A (en) * | 1998-09-03 | 1999-12-28 | Navistar International Transportation Corp | Balanced flow EGR control apparatus |
| US6014960A (en) * | 1998-11-09 | 2000-01-18 | Navistar International Transportation Corp | Exhaust gas recirculation control apparatus |
| US6089019A (en) * | 1999-01-15 | 2000-07-18 | Borgwarner Inc. | Turbocharger and EGR system |
| US6247461B1 (en) * | 1999-04-23 | 2001-06-19 | Delphi Technologies, Inc. | High flow gas force balanced EGR valve |
| DE20002102U1 (de) * | 2000-02-05 | 2000-03-30 | Karl Dungs GmbH & Co, 73660 Urbach | Overtravel-Doppelsitzventil |
| DE10025877C2 (de) * | 2000-05-25 | 2002-04-11 | Siebe Automotive Deutschland Gmbh | Abgasrückführsystem |
| DE10101412B4 (de) * | 2001-01-13 | 2014-05-28 | Pierburg Gmbh | Abgasrückführeinrichtung für eine Brennkraftmaschine |
| DE10114249A1 (de) * | 2001-03-22 | 2002-09-26 | Siemens Building Tech Ag | Doppelventil |
| ES2351537T3 (es) | 2001-07-11 | 2011-02-07 | Cooper-Standard Automotive (Deutschland) Gmbh | Sistema de recirculación de gases de escape. |
| JP2003254169A (ja) * | 2002-03-05 | 2003-09-10 | Hino Motors Ltd | Egrバルブ |
| HU2488U (en) * | 2002-05-15 | 2003-03-28 | Behr Gmbh & Co Kg | Apparatus for controlling of recirculated exhaust gases in internal combustion engines |
| JP4140400B2 (ja) | 2003-02-27 | 2008-08-27 | 株式会社デンソー | Egr冷却装置 |
| JP2005233166A (ja) * | 2004-02-23 | 2005-09-02 | Toyota Motor Corp | 排気再循環制御弁 |
-
2005
- 2005-09-08 DE DE200510044089 patent/DE102005044089A1/de not_active Withdrawn
-
2006
- 2006-09-07 US US12/065,683 patent/US7938106B2/en active Active
- 2006-09-07 CN CNA2006800381276A patent/CN101287901A/zh active Pending
- 2006-09-07 WO PCT/DE2006/001611 patent/WO2007028381A2/de not_active Ceased
- 2006-09-07 JP JP2008529468A patent/JP2009507172A/ja active Pending
- 2006-09-07 EP EP06791380.6A patent/EP1926907B1/de not_active Not-in-force
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2007028381A2 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2007028381A3 (de) | 2007-05-10 |
| DE102005044089A1 (de) | 2007-03-15 |
| EP1926907B1 (de) | 2016-08-31 |
| US7938106B2 (en) | 2011-05-10 |
| JP2009507172A (ja) | 2009-02-19 |
| US20080250787A1 (en) | 2008-10-16 |
| WO2007028381A2 (de) | 2007-03-15 |
| CN101287901A (zh) | 2008-10-15 |
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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: 20080408 |
|
| AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR |
|
| 17Q | First examination report despatched |
Effective date: 20091014 |
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