EP2106474A1 - Verfahren zum entfernen von flusen aus einem wärmetauscher eines hausgeräts, sowie entsprechendes hausgerät - Google Patents
Verfahren zum entfernen von flusen aus einem wärmetauscher eines hausgeräts, sowie entsprechendes hausgerätInfo
- Publication number
- EP2106474A1 EP2106474A1 EP07822851A EP07822851A EP2106474A1 EP 2106474 A1 EP2106474 A1 EP 2106474A1 EP 07822851 A EP07822851 A EP 07822851A EP 07822851 A EP07822851 A EP 07822851A EP 2106474 A1 EP2106474 A1 EP 2106474A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchanger
- domestic appliance
- air flow
- cleaning
- rinsing liquid
- 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
- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000004140 cleaning Methods 0.000 claims abstract description 27
- 238000001035 drying Methods 0.000 claims abstract description 17
- 239000012530 fluid Substances 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 40
- 238000011010 flushing procedure Methods 0.000 claims description 10
- 239000003507 refrigerant Substances 0.000 description 7
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical class O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 241000446313 Lamella Species 0.000 description 1
- 229910002092 carbon dioxide Chemical class 0.000 description 1
- 239000001569 carbon dioxide Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
- D06F58/24—Condensing arrangements
Definitions
- the invention relates to a method for removing during a drying process of a domestic appliance for the care of laundry items, in particular a clothes dryer, produced lint from a heat exchanger, wherein for cleaning a rinsing liquid is passed through the heat exchanger.
- the invention relates to a domestic appliance for the care of laundry, comprising a heat exchanger, a process air blower for driving an air flow through the heat exchanger, a collecting container for a rinsing liquid for removing generated during a drying process lint from the heat exchanger, wherein in a cleaning phase, the rinsing liquid through the Heat exchanger is passed, and a control device for controlling the cleaning.
- clothes dryers which have a compressor heat pump for alternately heating and cooling a circulating process air flow.
- these units also have additional filter systems to prevent leaching of the associated refrigerant heat exchangers.
- Such heat exchangers are relatively fine structured with a large variety of fins to create a good heat transfer from the circulating in the heat pump working or refrigerant to the process air flow, and therefore more than heat exchangers in conventional clothes dryers without heat pumps prone to contamination by lint
- the corresponding filter systems consist of several sieves connected in series, filter foams or the like for the removal of the fine lint from the process air which has passed through the normal lint filter.
- the built-in home appliance heat exchanger should be kept free of fine lint, so as to achieve a good heat transfer from the refrigerant to the process air flow.
- the filter systems are installed in the area of the device base, the maintenance is or cleaning only very cumbersome.
- the cleaning cycles are relatively short and the cleaning itself very expensive.
- the removal of the lint accumulated therein should be effective.
- a correspondingly upgraded home appliance should be specified.
- a rinsing liquid is passed through the heat exchanger.
- the rinsing liquid is deflected during a cleaning phase depending on the strength of a producible air flow, and depending on this deflection, the rinsing liquid flows through different areas of the heat exchanger.
- the flushing liquid can be directed individually to different locations of the heat exchanger, virtually all areas of the heat exchanger can be freed from lint.
- the household appliance for the care of laundry items, comprising a heat exchanger, a process air blower for driving an air flow through the heat exchanger, a collecting container for a rinsing liquid for removing generated during a drying process lint from the heat exchanger, wherein in a cleaning phase, the rinsing liquid passed through the heat exchanger and a control device for controlling the cleaning, the control device is set up such that during the cleaning phase, the process air blower is operable to drive the air flow, wherein the flushing liquid is deflected depending on the strength of the air flow and flows through different areas of the heat exchanger depending on the deflection
- the air flow is generated by a process air blower of the domestic appliance and passed through the heat exchanger.
- the already provided in the household appliance unit of the process air blower is thus used multifunctional. Depending on the operating state of the process air blower, an air flow is thus generated or not.
- the flushing liquid is passed through a front portion of the heat exchanger when the generation of the airflow is deactivated.
- a front region is understood as meaning that part of the heat exchanger which, when the air flow is activated in the flow direction, is provided as an air inflow region and is therefore first reached by the circulating process air flow.
- the front portion of the heat exchanger is cleaned by flowing the flushing liquid through this front portion.
- the rinsing liquid preferably flows through a rear area of the heat exchanger in the flow direction of the air flow when the generation of the air flow is activated.
- the incoming rinsing liquid is preferably deflected in such a way that it flows through the rear region of the heat exchanger and thus rinses out the lint accumulated there.
- the heat exchanger is associated with a heat pump of the domestic appliance.
- the heat pump can be designed as a compressor heat pump.
- a compressor for the working or refrigerant chlorinated and / or fluorinated hydrocarbon or carbon dioxide
- a throttle is arranged in a known manner between two heat exchangers.
- the refrigerant is evaporated at low pressure, whereby it absorbs heat and thus cools the process air flow.
- the vaporized refrigerant is compressed in a compressor to a relatively high pressure and fed to the second heat exchanger, where it heats the process air stream by releasing heat and thereby liquefied.
- the liquefied refrigerant is depressurized to the mentioned low pressure, and thus passes back to the first heat exchanger.
- the cleaning of the heat exchangers and thus the removal of the fluff from the heat exchangers is preferably carried out at the end of a drying process of laundry items introduced in the domestic appliance and, in particular, at a time when the fluff is still moist.
- the rinsing liquid is preferably introduced from above into the heat exchanger and then flows around the fins of the heat exchanger. Due to the achievable high flow rate and the possibility of introducing a relatively large amount of liquid, the adhering fluff can be effectively washed away.
- the domestic appliance comprises a line with a controllable by the control valve, which line connects the sump with the heat exchanger.
- Fig. 1 is a perspective view of essential for the following explanation components of a household appliance.
- Fig. 2 is a sectional view along the section line AA gem. Fig. 1.
- a tumble dryer 1 comprises a compressor heat pump 2 (cf the description above, only partially shown here for the sake of clarity), which comprises a heat exchanger 2.
- the heat exchanger 2 comprises a plurality of fins 21 and is coupled to a process air guide. It can thereby be achieved that, during operation of the tumble dryer 1, in particular during a drying phase, process air is conducted as airflow 4 in the illustrated arrow through the heat exchanger 2.
- the air stream 4 generated in the process air guide is generated by a process air blower 6, which is shown only schematically, which can be activated and deactivated as required.
- the tumble dryer 1 comprises a collecting container 3, which is arranged in a vertical direction at a higher level than the heat exchanger 2.
- the collecting container 3 is condensate, which is generated during the drying process and pumped into the collecting container 3.
- a line 5 is arranged, through which the liquid contained in the collecting container 3 can be passed to the heat exchanger 2.
- the conduit 5 can be released or closed.
- a control device 8 is set up, in particular programmed, to control the process of removing lint from the heat exchanger 2 generated during a drying process (which it also preferably controls) can. For this purpose, it controls, as indicated by corresponding arrows, the process air blower 6 and the valve 7. The corresponding method steps are explained below.
- the condensate collected in the collecting container 3 is passed through the heat exchanger 2.
- the condensate serves as a rinsing liquid to rinse the lint from the heat exchanger 2 can.
- FIG. 2 shows a schematic sectional view along the section line AA according to FIG. 1.
- the airflow 4 generated by the process air blower flows in at a front-flow area 22 of the heat exchanger 2 and exits at a downstream end or rear area 23.
- the arrangement of the line 5 on the heat exchanger 2 is formed so that the rinsing liquid is introduced from above in the front region 22 in the heat exchanger 2. If the process air blower is switched off and thus no air flow 4 is generated, then the rinsing liquid flows from top to bottom through the heat exchanger 2 essentially into this front region 22, which, for example, extends approximately to the middle (viewed in the x direction).
- the process air blower is activated or remains activated and the air stream 4 flows through the heat exchanger 2 in the flow direction shown, the rinsing liquid stream introduced at the front region 22 is deflected in the x direction, whereby the rear region 23 of the heat exchanger 2 also flows through this rinsing liquid will be rinsed and there attaching lint.
- the flow course of the flushing fluid can thus also be influenced.
- the flushing liquid can be deflected into different regions of the heat exchanger 2 by the air flow 4, as a result of which different areas can also be flowed through by the flushing liquid.
- the condensate is collected in the collecting container 3.
- a discharge opening of the collecting container 3 is released and the condensate used as a rinsing liquid is passed through a possibly formed with a large cross section line 5 to the heat exchanger 2 and from above rinsed over the fins 21 of the heat exchanger 2.
- a relatively large opening 24 is formed so that a blockage of the opening, for example by lint, can be prevented.
- the lint can then be pumped with the condensate into the sewage system. It can also be provided that at least two times flushing of the heat exchanger 2 is performed, and the flushing liquid is pumped after a first run again in the collecting container 3 and then flows through the heat exchanger 2 again.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Processing Of Solid Wastes (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006061211A DE102006061211A1 (de) | 2006-12-22 | 2006-12-22 | Verfahren zum Entfernen von Flusen aus einem Wärmetauscher eines Hausgeräts, sowie entsprechendes Hausgerät |
PCT/EP2007/062771 WO2008077708A1 (de) | 2006-12-22 | 2007-11-23 | Verfahren zum entfernen von flusen aus einem wärmetauscher eines hausgeräts, sowie entsprechendes hausgerät |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2106474A1 true EP2106474A1 (de) | 2009-10-07 |
EP2106474B1 EP2106474B1 (de) | 2010-08-18 |
Family
ID=39322905
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07822851A Active EP2106474B1 (de) | 2006-12-22 | 2007-11-23 | Verfahren zum entfernen von flusen aus einem wärmetauscher eines hausgeräts, sowie entsprechendes hausgerät |
Country Status (6)
Country | Link |
---|---|
US (1) | US8182612B2 (de) |
EP (1) | EP2106474B1 (de) |
CN (1) | CN101563495B (de) |
AT (1) | ATE478185T1 (de) |
DE (2) | DE102006061211A1 (de) |
WO (1) | WO2008077708A1 (de) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007016074A1 (de) * | 2007-04-03 | 2008-10-09 | BSH Bosch und Siemens Hausgeräte GmbH | Verfahren und Vorrichtung zum Reinigen eines Bauteiles, insbesondere eines Verdampfers einer Kondensatoreinrichtung sowie Wasch- oder Wäschetrockner mit einer solchen Vorrichtung |
DE102007049061A1 (de) * | 2007-10-12 | 2009-04-16 | BSH Bosch und Siemens Hausgeräte GmbH | Verfahren und Vorrichtung zum Reinigen eines Bauteiles, insbesondere eines Verdampfers einer Kondensatoreinrichtung sowie Wasch- oder Wäschetrockner mit einer solchen Vorrichtung |
DE102007052835A1 (de) * | 2007-11-06 | 2009-05-07 | BSH Bosch und Siemens Hausgeräte GmbH | Verfahren und Vorrichtung zum Reinigen eines Bauteiles, insbesondere eines Verdampfers einer Kondensatoreinrichtung sowie Wasch- oder Wäschetrockner mit einer solchen Vorrichtung |
DE102008032800A1 (de) | 2008-07-11 | 2010-01-14 | BSH Bosch und Siemens Hausgeräte GmbH | Vorrichtung zum Reinigen eines Bauteiles, insbesondere eines Verdampfers einer Kondensatoreinrichtung |
DE102008040846A1 (de) * | 2008-07-29 | 2010-02-04 | BSH Bosch und Siemens Hausgeräte GmbH | Kondensationstrockner mit einem Wärmetauscher sowie Verfahren zu seinem Betrieb |
EP2154467A1 (de) * | 2008-08-14 | 2010-02-17 | BSH Bosch und Siemens Hausgeräte GmbH | Wärmetauscher mit Beschichtung und Herstellungsverfahren dafür |
DE102008041474A1 (de) * | 2008-08-22 | 2010-02-25 | BSH Bosch und Siemens Hausgeräte GmbH | Haushaltstrockungsgerät und Verfahren zum Reinigen eines Bauteiles, insbesonder eines Verdampfers einer Kondensatoreinrichtung eines solchen Haushaltstrocknungsgerätes |
DE102008041998A1 (de) * | 2008-09-11 | 2010-03-18 | BSH Bosch und Siemens Hausgeräte GmbH | Trockner mit einem Flusenfilter und einer Reinigungsvorrichtung |
DE102008054693A1 (de) | 2008-12-16 | 2010-06-17 | BSH Bosch und Siemens Hausgeräte GmbH | Kondensationstrockner sowie Verfahren zu seinem Betrieb |
DE102009001548A1 (de) | 2009-03-13 | 2010-09-16 | BSH Bosch und Siemens Hausgeräte GmbH | Wäschetrocknungsgerät mit einem innerhalb eines Prozessluftkreislaufs angeordneten Flusensieb und Verfahren zum Betreiben des Wäschetrocknungsgeräts |
DE102009046683A1 (de) * | 2009-11-13 | 2011-05-19 | BSH Bosch und Siemens Hausgeräte GmbH | Vorrichtung zum Reinigen eines Bauteils eines Trockners, Trockner mit einer derartigen Vorrichtung und Verfahren zum Reinigen eines Bauteils eines Trockners |
DE102010029892A1 (de) | 2010-06-09 | 2011-12-15 | BSH Bosch und Siemens Hausgeräte GmbH | Kondensationstrockner mit integrierter Wärmetauscherreinigung sowie Verfahren zu seinem Betrieb |
US20120005912A1 (en) | 2010-07-08 | 2012-01-12 | Lee Yongju | Clothes dryer |
DE102010031459A1 (de) | 2010-07-16 | 2012-01-19 | BSH Bosch und Siemens Hausgeräte GmbH | Diffusor für geringe Bauhöhe |
US9045854B2 (en) * | 2010-10-20 | 2015-06-02 | Johnnie Clark | Clothes dryer |
BR112013024603B1 (pt) * | 2011-03-29 | 2020-12-01 | Lg Electronics Inc. | máquina de lavar |
EP2778281B1 (de) * | 2011-11-08 | 2021-04-07 | Haier Group Corporation | Wärmetauscher für kondensation beim trocknen von wäsche, wäschetrocknungssystem und wäschetrockner |
CN104011285A (zh) * | 2011-12-20 | 2014-08-27 | 松下电器产业株式会社 | 衣物干燥机以及衣物干燥机的蒸发器的清洗方法 |
EP2634301B1 (de) * | 2012-02-29 | 2019-10-23 | Electrolux Home Products Corporation N.V. | Haushaltswaschtrockner mit einer Kondensationseinrichtung und Verfahren zum Betreiben dieses Haushaltswaschtrockners |
DE102012209824A1 (de) * | 2012-06-12 | 2013-12-12 | BSH Bosch und Siemens Hausgeräte GmbH | Vorrichtung und Verfahren zum Reinigen von Bauteilen eines wasserführenden Gerätes |
MY182715A (en) * | 2012-07-24 | 2021-02-03 | Panasonic Corp | Washing machine having drying function |
EP2708639A1 (de) * | 2012-09-14 | 2014-03-19 | Electrolux Home Products Corporation N.V. | Haushaltsgerät mit einer Flüssigkeitsleitungsvorrichtung |
KR101948565B1 (ko) | 2012-10-22 | 2019-04-25 | 엘지전자 주식회사 | 청소수단을 포함한 의류처리장치 |
US9562707B2 (en) | 2013-03-14 | 2017-02-07 | Whirlpool Corporation | Refrigerator cooling system having a secondary cooling loop |
DE102013222926A1 (de) * | 2013-11-11 | 2015-05-13 | BSH Bosch und Siemens Hausgeräte GmbH | Wärmetauscheranordnung und Wäschetrockner |
CN104911882B (zh) * | 2014-03-14 | 2018-10-30 | 青岛海尔滚筒洗衣机有限公司 | 一种干衣机或洗干一体机 |
KR101718040B1 (ko) | 2015-06-18 | 2017-03-20 | 엘지전자 주식회사 | 건조기능을 구비한 의류처리장치 |
DE102015216383A1 (de) * | 2015-08-27 | 2017-03-02 | BSH Hausgeräte GmbH | Prozessluftanordnung für ein Trocknungsgerät sowie Trocknungsgerät |
DE102015216435A1 (de) * | 2015-08-27 | 2017-03-02 | BSH Hausgeräte GmbH | Haushaltsgerät mit Abreinigungseinrichtung für Wärmetauscher |
DE102015216382A1 (de) * | 2015-08-27 | 2017-03-02 | BSH Hausgeräte GmbH | Trocknungsgerät mit einem Prozessluftgebläse und einem Spülsystem |
US10648125B2 (en) | 2015-12-18 | 2020-05-12 | Whirlpool Corporation | Laundry treating appliance and method of operation |
KR102515952B1 (ko) | 2016-01-05 | 2023-03-30 | 엘지전자 주식회사 | 의류처리장치 |
US10633785B2 (en) | 2016-08-10 | 2020-04-28 | Whirlpool Corporation | Maintenance free dryer having multiple self-cleaning lint filters |
US10738411B2 (en) | 2016-10-14 | 2020-08-11 | Whirlpool Corporation | Filterless air-handling system for a heat pump laundry appliance |
US10519591B2 (en) | 2016-10-14 | 2019-12-31 | Whirlpool Corporation | Combination washing/drying laundry appliance having a heat pump system with reversible condensing and evaporating heat exchangers |
US10502478B2 (en) | 2016-12-20 | 2019-12-10 | Whirlpool Corporation | Heat rejection system for a condenser of a refrigerant loop within an appliance |
US10544539B2 (en) | 2017-02-27 | 2020-01-28 | Whirlpool Corporation | Heat exchanger filter for self lint cleaning system in dryer appliance |
US10514194B2 (en) | 2017-06-01 | 2019-12-24 | Whirlpool Corporation | Multi-evaporator appliance having a multi-directional valve for delivering refrigerant to the evaporators |
US10718082B2 (en) | 2017-08-11 | 2020-07-21 | Whirlpool Corporation | Acoustic heat exchanger treatment for a laundry appliance having a heat pump system |
US11015281B2 (en) | 2017-09-26 | 2021-05-25 | Whirlpool Corporation | Laundry appliance having a maintenance free lint removal system |
DE102019107283A1 (de) * | 2019-03-21 | 2020-09-24 | Miele & Cie. Kg | Wärmetauscher für eine Wäschebehandlungsmaschine, Wäschebehandlungsmaschine und Verfahren für deren Betrieb |
KR20220114268A (ko) * | 2021-02-08 | 2022-08-17 | 엘지전자 주식회사 | 의류처리장치 |
KR20220114269A (ko) * | 2021-02-08 | 2022-08-17 | 엘지전자 주식회사 | 의류처리장치 |
CN118548603B (zh) * | 2024-07-26 | 2024-10-18 | 常州金坛金能电力有限公司 | 一种光伏直驱式高效热泵机组 |
Family Cites Families (10)
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DE3738031C2 (de) | 1987-11-09 | 1995-10-12 | Bosch Siemens Hausgeraete | Verfahren und Vorrichtung zum Entfernen von Flusen aus einem als Wärmetauscher ausgebildeten Kondenswasser-Abscheider |
IT1250376B (it) * | 1991-02-06 | 1995-04-07 | Zanussi Elettrodomestici | Procedimento per la pulizia del condensatore di asciugatura in una asciugabiancheria |
DE4333901C2 (de) * | 1993-10-05 | 1999-04-08 | Bauknecht Hausgeraete | Wäschetrockner |
DE4427361A1 (de) * | 1994-08-02 | 1996-02-08 | Bosch Siemens Hausgeraete | Zum Trocknen eingerichtete Waschmaschine |
DE19547613A1 (de) | 1994-12-24 | 1996-06-27 | Miele & Cie | Trockengerät, insbesondere Kondensationswächetrockner mit einer Wärmepumpe |
DE19600489C2 (de) * | 1995-01-13 | 2003-04-03 | Miele & Cie | Kondensationswäschetrockner |
US5879466A (en) * | 1996-11-14 | 1999-03-09 | Caterpillar Inc. | Apparatus and method for cleaning radiator fins |
DE19943125A1 (de) * | 1999-04-30 | 2000-11-02 | Bsh Bosch Siemens Hausgeraete | Verfahren zum Reinigen der Prozeßluftführung eines Haushaltwäschetrockners sowie ein zur Durchführung dieses Verfahrens eingerichteter Haushaltwäschetrockner |
DE10002743B4 (de) * | 2000-01-22 | 2006-01-12 | Whirlpool Corp., Benton Harbor | Wärmepumpen-Wäschetrockner mit Reinigungseinrichtung für den Wärmetauscher |
CA2540368C (en) * | 2003-09-29 | 2012-12-11 | Self Propelled Research And Development Specialists, Llc | Heat pump clothes dryer |
-
2006
- 2006-12-22 DE DE102006061211A patent/DE102006061211A1/de not_active Withdrawn
-
2007
- 2007-11-23 CN CN2007800472960A patent/CN101563495B/zh active Active
- 2007-11-23 DE DE502007004827T patent/DE502007004827D1/de active Active
- 2007-11-23 WO PCT/EP2007/062771 patent/WO2008077708A1/de active Application Filing
- 2007-11-23 US US12/516,658 patent/US8182612B2/en not_active Expired - Fee Related
- 2007-11-23 EP EP07822851A patent/EP2106474B1/de active Active
- 2007-11-23 AT AT07822851T patent/ATE478185T1/de active
Non-Patent Citations (1)
Title |
---|
See references of WO2008077708A1 * |
Also Published As
Publication number | Publication date |
---|---|
ATE478185T1 (de) | 2010-09-15 |
EP2106474B1 (de) | 2010-08-18 |
CN101563495B (zh) | 2011-12-07 |
US20100065087A1 (en) | 2010-03-18 |
DE102006061211A1 (de) | 2008-06-26 |
WO2008077708A1 (de) | 2008-07-03 |
DE502007004827D1 (de) | 2010-09-30 |
US8182612B2 (en) | 2012-05-22 |
CN101563495A (zh) | 2009-10-21 |
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