JP5479192B2 - 蒸気タービンプラント - Google Patents
蒸気タービンプラント Download PDFInfo
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- JP5479192B2 JP5479192B2 JP2010088685A JP2010088685A JP5479192B2 JP 5479192 B2 JP5479192 B2 JP 5479192B2 JP 2010088685 A JP2010088685 A JP 2010088685A JP 2010088685 A JP2010088685 A JP 2010088685A JP 5479192 B2 JP5479192 B2 JP 5479192B2
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
- F01K7/16—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type
- F01K7/18—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type the turbine being of multiple-inlet-pressure type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K3/00—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein
- F01K3/06—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein the engine being of extraction or non-condensing type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
- F01K7/06—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being of multiple-inlet-pressure type
- F01K7/08—Control means specially adapted therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
- F01K7/16—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
- F01K7/16—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type
- F01K7/22—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type the turbines having inter-stage steam heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
- F01K7/16—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type
- F01K7/22—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type the turbines having inter-stage steam heating
- F01K7/226—Inter-stage steam injection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
- F01K7/16—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type
- F01K7/22—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type the turbines having inter-stage steam heating
- F01K7/24—Control or safety means specially adapted therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
- F01K7/34—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being of extraction or non-condensing type; Use of steam for feed-water heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
- F01K7/34—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being of extraction or non-condensing type; Use of steam for feed-water heating
- F01K7/345—Control or safety-means particular thereto
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
- F01K7/34—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being of extraction or non-condensing type; Use of steam for feed-water heating
- F01K7/38—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being of extraction or non-condensing type; Use of steam for feed-water heating the engines being of turbine type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/006—Methods of steam generation characterised by form of heating method using solar heat
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
Description
図1は、第1実施形態の蒸気タービンプラントの構成を示す概略図である。図1に示す構成については、図5に示す構成との相違点を中心に説明する。
図3は、図1に示す蒸気タービンプラントの膨張線の別の例を示した図である。
本実施形態では、加熱器110は、太陽熱を利用して、水111を蒸気112に変化させる。また、抽気加熱器302及び再熱器109はそれぞれ、太陽熱を利用して、抽気口301及び蒸気出口(排気口)Yからの排気を加熱する。これらの太陽熱は、熱媒体119の熱の形で、集熱器119(図5)から供給される。
本実施形態では、集熱器119(図5参照)として、例えば、図8に示すトラフ型集光方式の物を使用する。この場合、トラフ型集光方式の集熱器119を、図6に示す再熱再生サイクルと組み合わせて使用してもよい。
本実施形態では、例えば、最上流のタービンである高圧タービン101の入口蒸気温度と、高圧タービン101の入口蒸気圧力における飽和温度との差を、100℃以下とし、この条件下で蒸気タービンサイクルを構成する。この温度差が100℃以下の場合、比エンタルピ−比エントロピ線図において、高圧タービン入口蒸気112は、湿り領域に充分に近い。この条件は、図6に示す再熱再生サイクルと組み合わせて適用してもよい。
本実施形態では、例えば、最上流のタービンである高圧タービン101の入口蒸気を、圧力20ata以上かつ温度420℃以下とし、この条件下で蒸気タービンサイクルを構成する。高圧タービン101の入口蒸気が圧力20ata以上かつ温度420℃以下の場合、比エンタルピ−比エントロピ線図において、高圧タービン入口蒸気112は、湿り領域に充分に近い。この条件は、図6に示す再熱再生サイクルと組み合わせて適用してもよい。
本実施形態の蒸気タービンプラントは、最上流のタービンである高圧タービン101、中圧タービン102、最下流のタービンである低圧タービン103という、全部で3つのタービンを具備する。
図4は、第2実施形態の蒸気タービンプラントの構成を示す概略図である。図4に示す構成については、図1や図5に示す構成との相違点を中心に説明する。
102 中圧タービン
103 低圧タービン
104 復水器
105 ポンプ
106 中圧タービン入口蒸気
107 発電機
108 ボイラ
109 再熱器
110 加熱器
111 水
112 高圧タービン入口蒸気
113 再熱タービン
114 高圧タービン排気
115 低圧タービン排気
116 熱媒体ポンプ
117 太陽光線
118 熱媒体
119 集熱器
120 抽気蒸気
121 給水加熱器
122 ドレン水ポンプ
123 集光鏡
124 集熱管
125 熱媒体管
X 蒸気入口(高圧蒸気入口)
Y 蒸気出口(排気口)
Z 抽気口
201 高圧タービン膨張線
202 再熱タービン膨張線
203 飽和線
204 高圧タービン入口点
205 高圧タービン出口点
206 再熱タービン入口点
207 再熱タービン出口点
301 抽気口
302 抽気加熱器
303 加熱済み抽気蒸気合流口
304 加熱前抽気蒸気
305 加熱済み抽気蒸気
306 第1の蒸気弁
307 第2の蒸気弁
401 加熱済み抽気蒸気合流前の高圧タービン膨張線
402 加熱済み抽気蒸気合流後の高圧タービン膨張線
403 加熱済み抽気蒸気合流直前点
404 加熱済み抽気蒸気合流直後点
Claims (7)
- 水を蒸気に変化させるボイラと、
1つまたは互いに直列に接続された複数のタービンから成り、前記ボイラからの蒸気が流入する第1の入口と、前記第1の入口より下流に位置する抽気口と、前記抽気口より下流に位置し、前記抽気口から抽気された蒸気が流入する第2の入口と、前記第2の入口より下流に位置する排気口とを有し、前記第1及び第2の入口から流入した蒸気により駆動される高圧タービンと、
前記抽気口から抽気された蒸気を加熱し、前記第2の入口に流入させる抽気加熱器と、
前記排気口から排気された蒸気を加熱する再熱器と、
前記再熱器からの蒸気により駆動される再熱タービンと、
前記第2の入口に流入する蒸気の流量を調節するまたは流通を停止するための第1の蒸気弁と、
を具備する事を特徴とする蒸気タービンプラント。 - 水を蒸気に変化させるボイラと、
1つまたは互いに直列に接続された複数のタービンから成り、前記ボイラからの蒸気が流入する第1の入口と、前記第1の入口より下流に位置する抽気口と、前記抽気口より下流に位置し、前記抽気口から抽気された蒸気が流入する第2の入口と、前記第2の入口より下流に位置する排気口とを有し、前記第1及び第2の入口から流入した蒸気により駆動される高圧タービンと、
前記抽気口から抽気された蒸気を加熱し、前記第2の入口に流入させる抽気加熱器と、
前記排気口から排気された蒸気を加熱する再熱器と、
前記再熱器からの蒸気により駆動される再熱タービンと、
前記抽気口から抽気される蒸気の流量を調節するまたは流通を停止するための第2の蒸気弁と、
を具備する事を特徴とする蒸気タービンプラント。 - 太陽熱を集める集熱器を具備し、
前記ボイラ、前記抽気加熱器、及び前記再熱器は、前記太陽熱により、加熱対象の水または蒸気を加熱する事を特徴とする請求項1または2に記載の蒸気タービンプラント。 - 前記集熱器は、トラフ型集光方式を利用して前記太陽熱を集める事を特徴とする請求項3に記載の蒸気タービンプラント。
- 前記第1の入口の入口蒸気温度と、前記第1の入口の入口蒸気圧力における飽和温度との差が、100℃以下である事を特徴とする請求項1から4のいずれか1項に記載の蒸気タービンプラント。
- 前記第1の入口の入口蒸気が、圧力20ata以上かつ温度420℃以下である事を特徴とする請求項1から5のいずれか1項に記載の蒸気タービンプラント。
- 前記蒸気タービンプラントを構成する全タービンの内、最下流のタービン以外のタービンは、タービン内部にて流通蒸気が乾き蒸気に保たれるよう動作する事を特徴とする請求項1から6のいずれか1項に記載の蒸気タービンプラント。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010088685A JP5479192B2 (ja) | 2010-04-07 | 2010-04-07 | 蒸気タービンプラント |
AU2011201543A AU2011201543B2 (en) | 2010-04-07 | 2011-04-06 | Steam turbine plant |
US13/081,300 US8863521B2 (en) | 2010-04-07 | 2011-04-06 | Steam turbine plant |
CN201110094821.2A CN102213197B (zh) | 2010-04-07 | 2011-04-07 | 汽轮机设备 |
EP11161469.9A EP2375009B1 (en) | 2010-04-07 | 2011-04-07 | Steam turbine plant |
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JP2010088685A JP5479192B2 (ja) | 2010-04-07 | 2010-04-07 | 蒸気タービンプラント |
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JP2011220165A JP2011220165A (ja) | 2011-11-04 |
JP5479192B2 true JP5479192B2 (ja) | 2014-04-23 |
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JP2010088685A Active JP5479192B2 (ja) | 2010-04-07 | 2010-04-07 | 蒸気タービンプラント |
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US (1) | US8863521B2 (ja) |
EP (1) | EP2375009B1 (ja) |
JP (1) | JP5479192B2 (ja) |
CN (1) | CN102213197B (ja) |
AU (1) | AU2011201543B2 (ja) |
Cited By (1)
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KR20180110683A (ko) * | 2016-03-31 | 2018-10-10 | 미츠비시 히타치 파워 시스템즈 가부시키가이샤 | 터빈 날개의 탈수소 처리 방법 |
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JP5912323B2 (ja) * | 2010-10-19 | 2016-04-27 | 株式会社東芝 | 蒸気タービンプラント |
JP5538458B2 (ja) * | 2012-03-14 | 2014-07-02 | 株式会社日立製作所 | 蒸気供給プラント及び太陽熱配管保温装置 |
CN103321865A (zh) * | 2012-03-23 | 2013-09-25 | 梁锦伟 | 环保能源 |
EP2644848A1 (en) * | 2012-03-29 | 2013-10-02 | Alstom Technology Ltd | Method for operating a combined cycle power plant and combined cycle power plant for conducting said method |
ITMI20120852A1 (it) | 2012-05-17 | 2013-11-18 | Exergy Orc S R L | Sistema orc per la produzione di energia tramite ciclo rankine organico |
CN109782584B (zh) * | 2019-01-21 | 2022-05-17 | 杭州澎康自动化科技有限公司 | 一种抽背型汽轮机自整定控制方法 |
CN111765507B (zh) * | 2020-05-18 | 2021-07-27 | 华电电力科学研究院有限公司 | 一种改进型供热首站系统及其工作方法 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20180110683A (ko) * | 2016-03-31 | 2018-10-10 | 미츠비시 히타치 파워 시스템즈 가부시키가이샤 | 터빈 날개의 탈수소 처리 방법 |
KR102111228B1 (ko) * | 2016-03-31 | 2020-05-14 | 미츠비시 히타치 파워 시스템즈 가부시키가이샤 | 터빈 날개의 탈수소 처리 방법 |
US11066715B2 (en) | 2016-03-31 | 2021-07-20 | Mitsubishi Power, Ltd. | Dehydrogenation processing method for turbine blades |
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JP2011220165A (ja) | 2011-11-04 |
US8863521B2 (en) | 2014-10-21 |
AU2011201543B2 (en) | 2012-07-05 |
CN102213197A (zh) | 2011-10-12 |
EP2375009B1 (en) | 2019-06-12 |
EP2375009A3 (en) | 2018-03-14 |
US20110247331A1 (en) | 2011-10-13 |
AU2011201543A1 (en) | 2011-10-27 |
CN102213197B (zh) | 2014-10-29 |
EP2375009A2 (en) | 2011-10-12 |
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