EP2087221A1 - Wärmetauscher, insbesondere für ein kraftfahrzeug - Google Patents
Wärmetauscher, insbesondere für ein kraftfahrzeugInfo
- Publication number
- EP2087221A1 EP2087221A1 EP07846531A EP07846531A EP2087221A1 EP 2087221 A1 EP2087221 A1 EP 2087221A1 EP 07846531 A EP07846531 A EP 07846531A EP 07846531 A EP07846531 A EP 07846531A EP 2087221 A1 EP2087221 A1 EP 2087221A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchanger
- exchanger according
- fluid
- housing
- control member
- 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
- 239000012530 fluid Substances 0.000 claims abstract description 19
- 238000000465 moulding Methods 0.000 claims abstract description 12
- 239000002826 coolant Substances 0.000 claims description 11
- 238000002485 combustion reaction Methods 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 4
- 230000000930 thermomechanical effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 11
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
- F28D7/1684—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation the conduits having a non-circular cross-section
-
- 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
-
- 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
- F02M26/29—Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials
- F02M26/30—Connections of coolers to other devices, e.g. to valves, heaters, compressors or filters; Coolers characterised by their location on the engine
-
- 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
- F02M26/29—Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials
- F02M26/32—Liquid-cooled heat exchangers
-
- 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
- F02M26/33—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 controlling the temperature of the recirculated gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/06—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
- F28F21/067—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
- F28F27/02—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/0246—Arrangements for connecting header boxes with flow lines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/18—Arrangements or mounting of liquid-to-air heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
- F01P7/167—Controlling of coolant flow the coolant being liquid by thermostatic control by adjusting the pre-set temperature according to engine parameters, e.g. engine load, engine speed
-
- 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
- F02M26/11—Manufacture or assembly of EGR systems; Materials or coatings specially adapted for EGR systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0077—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for tempering, e.g. with cooling or heating circuits for temperature control of elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0003—Recuperative heat exchangers the heat being recuperated from exhaust gases
Definitions
- Heat exchanger in particular for a motor vehicle
- the present invention relates to a heat exchanger, in particular for a motor vehicle, according to the preamble of claim 1.
- heat exchangers such. B. exhaust gas cooler to control a coolant flow to be provided with a thermostat.
- the thermostat must be installed in the coolant lines via suitable adapters. This results in effort in terms of assembly and the number of required components.
- control element is a thermostat with a thermomechanical adjustment of the fluid flow.
- thermomechanical is meant that a change in temperature of the fluid directly mechanically, for example by changes in length of suitable components, affects the setting.
- the thermostat preferably comprises an expansion element.
- expansion elements for. B. on wax base, are common for thermostat controller and well suited. In principle, however, other suitable components such as bimetallic strips, memory metals or the like can be used.
- the thermostat can also be designed as a map thermostat.
- map thermostats is basically a thermo-mechanical control z. B. over expansion elements before, this control can be influenced by an additional electric heater in their characteristic. In this way, a fine optimization of the control characteristic of the control element can be achieved in a simple manner, whereby the basic function is ensured even in the event of failure of the electrical influence.
- a spring of the control member is supported against the connection of the housing.
- the connection of the housing or its shape adapted to define the control element is included as a functional component of the control element, so that particularly extensive material and components can be saved and the required space is reduced.
- a sealant is arranged on the molding to ensure a reliable seal of the fluid flow with attached control member.
- connection is designed in a simple way as a tube-like connection piece, wherein the projection has a lateral projection of the projection Includes neck.
- a lateral Abkragung may be formed depending on detail design as a screw-flange or as a component of a latching or positive closure.
- the control element can be fixed to the molding in a detenting manner. This can be z. B. by means of resilient hook, which are pushed over the formation or lateral Abkragung of the nozzle and engage undercutting.
- control member may also be fixed in the manner of a bayonet closure on the molding, wherein the determination takes place in a form-fitting manner by means of an axial and at the same time superimposed rotary motion.
- any other conceivable way of simply fixing the control member to the molding is possible, for example by means of clamps, clamps, retaining rings, etc.
- the molding may also be formed as a thread, so that the control member is screwed directly onto the molding.
- the housing consists of a plastic, wherein the molding material integrally formed integrally with the housing. In a simple way, this can be done by making the housing as an injection molded part. Thus, the provision of a mold for fixing the control member requires only a one-time effort in the design of the injection mold.
- a heat exchanger according to the invention is particularly suitable in training as exhaust gas cooler, wherein the second fluid consists at least partially of exhaust gas of an internal combustion engine.
- the first fluid is preferably a coolant of a cooling circuit of an internal combustion engine.
- the coolant e.g. B. branches off from the coolant circuit of the engine, is protected by the control element against excessive heat input by the exhaust gas to avoid overheating of the engine by the exhaust gas cooling.
- Fig. 1 shows a schematic sectional view of a heat exchanger with a control element provided thereon.
- Fig. 2 shows a plan view of the heat exchanger of FIG. 1 from the front.
- the heat exchanger 1 shown in Fig. 2 is an exhaust gas cooler for an internal combustion engine, which comprises an outer housing 2, which is made as a plastic injection molded part.
- the housing 2 surrounds in the manner of a water jacket exchange means 11, which are formed as a bundle of flat tubes made of stainless steel.
- the flat tubes 11 carry in their interior the flow of hot exhaust gases of an internal combustion engine, wherein the exhaust gas flow is cooled by circulating in the housing 2 and the exchanger tubes 11 flowing around the coolant.
- the housing 2 comprises two connections 3, 4 for the supply and discharge of the coolant.
- the one connection 3 is designed as a simple tube-like socket for attaching a flexible hose.
- the other connection 4 comprises a tubular stub 5 and a molding 6, which is formed as a lateral, flange-like Abkragung of the nozzle 5.
- the Abkragung 6 suitable gradations 6a.
- a control member 7 is formed as a thermostat with an expansion element as a functionally essential component and fixed directly to the formation of the nozzle 6 5 of the terminal 4.
- the determination is carried out by means of a correspondingly shaped housing 8 made of plastic, which has a corresponding with the Abkragung 6 connection area 9 in the manner of a shaping 6 cross-cap.
- a thermostat mechanism 12 is arranged with an expansion element in a known per se. In this case, the thermostat mechanism 12 is supported by a spring 10 against the terminal 4, so that the terminal. 4 with its formation 6 forms a functional part of the control element 7.
- control member On its opposite side of the terminal 4, the control member has a pipe socket 13 which corresponds in shape to the terminal 3 of the housing 2 and is used for easy attachment of a flexible hose in a known manner.
- the regulating member 7 is thus integrated serially into the coolant flow and fixed directly to the unit 2 integrally molded housing 2, to which the housing 2 has a specially adapted shape 6 for cooperation with the control member 7.
- control element can be arranged on the inlet side or also on the outlet side of the housing 2. Depending on the temperature of the coolant, another passage cross section of the control element 7 is established.
- control element can be used to prevent overheating of the internal combustion engine if too much heat is released from the exhaust gas via the heat exchanger into the coolant.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Exhaust Silencers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006052526A DE102006052526A1 (de) | 2006-11-06 | 2006-11-06 | Wärmetauscher, insbesondere für ein Kraftfahrzeug |
| PCT/EP2007/009582 WO2008055642A1 (de) | 2006-11-06 | 2007-11-06 | Wärmetauscher, insbesondere für ein kraftfahrzeug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2087221A1 true EP2087221A1 (de) | 2009-08-12 |
| EP2087221B1 EP2087221B1 (de) | 2018-09-05 |
Family
ID=38969926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP07846531.7A Not-in-force EP2087221B1 (de) | 2006-11-06 | 2007-11-06 | Wärmetauscher, insbesondere für ein kraftfahrzeug |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20100051255A1 (de) |
| EP (1) | EP2087221B1 (de) |
| DE (1) | DE102006052526A1 (de) |
| WO (1) | WO2008055642A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2938322B1 (fr) * | 2008-11-07 | 2010-12-03 | Valeo Sys Controle Moteur Sas | Echangeur thermique comportant un profile incluant des conduites et une coque entourant ce profile |
| FR3008175A1 (fr) * | 2013-07-04 | 2015-01-09 | Valeo Systemes Thermiques | Dispositif de regulation de la circulation d'un liquide de refroidissement pour un echangeur de chaleur, en particulier refroidisseur d'air de suralimentation de moteur de vehicule automobile |
| US10400714B2 (en) * | 2017-09-28 | 2019-09-03 | Senior Ip Gmbh | Heat exchanger with annular coolant chamber |
| DE102022209294A1 (de) * | 2022-09-07 | 2024-03-07 | Robert Bosch Gesellschaft mit beschränkter Haftung | Kühlkreislaufvorrichtung |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2864589A (en) * | 1955-06-14 | 1958-12-16 | United Aircraft Prod | Heat transfer device |
| AT299724B (de) * | 1968-07-29 | 1972-06-26 | Eberspaecher J | Wärmetauscher, vorzugsweise für Kraftfahrzeugheizungen |
| US4000849A (en) * | 1972-12-06 | 1977-01-04 | Robertshaw Controls Company | Temperature responsive valve |
| DE3828034A1 (de) * | 1988-08-18 | 1990-02-22 | Borsig Gmbh | Waermetauscher |
| DE19606202B4 (de) * | 1996-02-21 | 2010-07-01 | Behr Thermot-Tronik Gmbh | Kühlsystem für einen Verbrennungsmotor |
| DE19754797A1 (de) * | 1997-12-10 | 1999-06-17 | Behr Gmbh & Co | Entgasungsvorrichtung |
| DE29722813U1 (de) * | 1997-12-24 | 1999-04-22 | Behr Thermot-Tronik Gmbh & Co., 70806 Kornwestheim | Abgasrückführungseinrichtung für einen Verbrennungsmotor eines Kraftfahrzeuges |
| DE19902885C1 (de) * | 1999-01-26 | 2000-05-31 | Delta Radiatoren Gmbh | Heizkörper, insbesondere Röhrenradiator |
| FR2811709B1 (fr) * | 2000-07-17 | 2003-02-21 | Vernet Sa | Dispositif thermostatique pilote a commande proportionnelle, a element thermostatique de securite |
| EP1467082B1 (de) * | 2002-01-16 | 2016-03-30 | Mitsubishi Denki Kabushiki Kaisha | Abgasrückführungsvorrichtung |
| WO2003098026A1 (de) * | 2002-05-15 | 2003-11-27 | Behr Gmbh & Co. Kg | Schaltbarer abgaswärmetauscher |
| DE20316688U1 (de) * | 2003-10-29 | 2004-03-11 | Behr Gmbh & Co. Kg | Wärmetauscher |
| US7108193B2 (en) * | 2003-12-29 | 2006-09-19 | Wahler Metalurgica Ltda | Integration of a thermostat in the recycling system of the vehicular exhaust gas recirculation (EGR) system |
| DE102004045021B4 (de) * | 2004-09-15 | 2013-07-11 | Behr Gmbh & Co. Kg | Wärmetauscher für Verbrennungsmotoren |
| FR2879711B1 (fr) * | 2004-12-21 | 2007-02-09 | Vernet Sa | Vanne thermostatique de regulation d'un fluide et circuit de refroidissement incorporant une telle vanne |
| DE102005057674B4 (de) * | 2005-12-01 | 2008-05-08 | Alstom Technology Ltd. | Abhitzekessel |
| US20100084111A1 (en) * | 2006-07-11 | 2010-04-08 | Brunswick Corporation | Liquid to liquid heat exchanger for a marine engine cooling system |
-
2006
- 2006-11-06 DE DE102006052526A patent/DE102006052526A1/de not_active Withdrawn
-
2007
- 2007-11-06 US US12/513,170 patent/US20100051255A1/en not_active Abandoned
- 2007-11-06 WO PCT/EP2007/009582 patent/WO2008055642A1/de not_active Ceased
- 2007-11-06 EP EP07846531.7A patent/EP2087221B1/de not_active Not-in-force
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2008055642A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US20100051255A1 (en) | 2010-03-04 |
| DE102006052526A1 (de) | 2008-05-08 |
| WO2008055642A1 (de) | 2008-05-15 |
| EP2087221B1 (de) | 2018-09-05 |
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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: 20090608 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 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 MT NL PL PT RO SE SI SK TR |
|
| RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: ROESCHMANN, TIMM Inventor name: EMRICH, KARSTEN Inventor name: CZEMMEL, HEINZ Inventor name: FRIESENHAHN, WALDEMAR |
|
| RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: FRIESENHAHN, WALDEMAR Inventor name: CZEMMEL, HEINZ Inventor name: EMRICH, KARSTEN Inventor name: ROESCHMANN, TIMM |
|
| 17Q | First examination report despatched |
Effective date: 20090921 |
|
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