JP2008516154A - 排気ガス浄化を伴う機関駆動車両 - Google Patents
排気ガス浄化を伴う機関駆動車両 Download PDFInfo
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- 238000000746 purification Methods 0.000 title 1
- 230000003197 catalytic effect Effects 0.000 claims abstract description 63
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 61
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 59
- 238000002347 injection Methods 0.000 claims abstract description 55
- 239000007924 injection Substances 0.000 claims abstract description 55
- 230000003647 oxidation Effects 0.000 claims abstract description 39
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 31
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 19
- 238000002485 combustion reaction Methods 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 238000004590 computer program Methods 0.000 claims description 14
- 239000000446 fuel Substances 0.000 claims description 9
- 239000007789 gas Substances 0.000 description 70
- 229910002089 NOx Inorganic materials 0.000 description 47
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 34
- 239000002245 particle Substances 0.000 description 16
- 238000006243 chemical reaction Methods 0.000 description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 9
- 229910002091 carbon monoxide Inorganic materials 0.000 description 9
- 230000008929 regeneration Effects 0.000 description 9
- 238000011069 regeneration method Methods 0.000 description 9
- 239000004071 soot Substances 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 239000013618 particulate matter Substances 0.000 description 8
- 238000012545 processing Methods 0.000 description 8
- 239000003638 chemical reducing agent Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 4
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- 239000003054 catalyst Substances 0.000 description 4
- -1 following which Inorganic materials 0.000 description 4
- 230000006870 function Effects 0.000 description 4
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- 238000010531 catalytic reduction reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002283 diesel fuel Substances 0.000 description 3
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- 230000008569 process Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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- 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
- F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9431—Processes characterised by a specific device
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- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
- F01N13/0097—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
- F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
-
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- 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
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
- F01N3/0835—Hydrocarbons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- 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
- F01N3/105—General auxiliary catalysts, e.g. upstream or downstream of the main catalyst
- F01N3/106—Auxiliary oxidation catalysts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
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- F02D41/02—Circuit arrangements for generating control signals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F02D41/025—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus by changing the composition of the exhaust gas, e.g. for exothermic reaction on exhaust gas treating apparatus
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- F02D41/00—Electrical control of supply of combustible mixture or its constituents
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Abstract
【選択図】図1
Description
・LNC(希薄NOx触媒)であって、酸素濃度が高い状態で窒素酸化物を連続的に還元するもの、
・貴金属被覆粒子フィルタ、
・NOx還元用の尿素又はアンモニアベースのSCR(選択触媒還元)、たとえば、特許文献4を参照されたい、
・炭化水素ベースの(HCベースの)SCR(選択触媒還元)
である。
本発明のさらなる実施形態は、従属請求項に記載されている。
NO+1/2O2→NO2 1)
で表される。
2NO2+C→2NO+CO2 2)
によって表される。
3NO2+2H2O→11/2N2+2H2O+2CO2 3)
によって表される。
・LNC(希薄NOx触媒)であって、酸素濃度が高い状態で窒素酸化物を連続的に還元するもの、
・貴金属被覆粒子フィルタ、
・炭化水素ベースの(HCベースの)SCR(選択触媒還元)
にも有利に適用されることができる。
Claims (10)
- 内燃機関(1、21、31)を有する車両内に配置された酸化触媒コンバータ(5、25、35)内でNOからNO2への酸化を維持する方法において、内燃機関は、運転中に、前記酸化触媒コンバータ(5、25、35)を有する排気ガス後処理システム(2、22、32)に排気ガスを放出し、また、所定量の炭化水素を少なくとも一所定時間にわたって排気ガス後処理システム(2、22、32)に送る方法であって、前記所定量の炭化水素は、0.01〜0.5Hz幅の断続周波数、且つ1〜10秒幅の噴射時間の断続噴射によって排気ガス後処理システム(2、22、32)に送られ、また、炭化水素を噴射する前記時間の直前に広まっていた排気ガス後処理システム(2、22、32)内のNO2の生成をほぼ維持するために、断続周波数が高いほど、それだけ短い噴射時間を使用するようにしたことを特徴とする方法。
- 炭化水素の送出は、排気ガス後処理システム(2、22)上に配置された噴射器(9、29)を介して行われることを特徴とする、請求項1に記載の方法。
- 排気ガス後処理システム(2、22、32)への炭化水素の送出は、機関(1、31)内に配置された少なくとも1つの噴射器を介したポスト噴射を有することを特徴とする、請求項1の記載の方法。
- 炭化水素は、車両用の燃料からなることを特徴とする、請求項1の記載の方法。
- 内燃機関(1、21、31)を有する機関駆動車両において、内燃機関は、運転中に、排気ガスを排気ガス後処理システム(2、22、32)に放出し、排気ガス後処理システムは、NOを酸化してNO2にする酸化触媒コンバータ(5、25、35)、制御装置(11、211、311)、及び炭化水素を排気ガス後処理システム(2、22、32)内へ噴射するように構成され噴射器(9、29)を有しており、制御装置(11、211、311)は、所定量の炭化水素を噴射部材(9)を介して少なくとも一所定時間にわたって噴射するように構成されている、機関駆動車両であって、制御装置(11、211、311)はさらに、前記噴射部材の監視及び制御を行うように構成され、それにより、炭化水素は、0.01〜0.5Hz幅の断続周波数、且つ1〜10秒間の幅の噴射時間の断続噴射によって排気ガス後処理システム(2、22、32)に送られ、また、炭化水素を噴射する前記時間の直前に広まっていた排気ガス後処理システム(2、22、32)内のNO2の生成をほぼ維持するために、断続周波数が高いほど、それだけ短い噴射時間が使用されるようにしたことを特徴とする、機関駆動車両。
- 噴射部材は、排気ガス後処理システム(2、22)上に配置された噴射器(9、29)であることを特徴とする、請求項5に記載の機関駆動車両。
- 噴射部材は、機関(1、31)内に配置された噴射器であることを特徴とする、請求項6に記載の機関駆動車両。
- コンピュータプログラムであって、該コンピュータプログラムをコンピュータで実行するとき、請求項1の方法のステップを実行するためのプログラムコードを有する、コンピュータプログラム。
- コンピュータプログラム製品であって、該コンピュータプログラムをコンピュータで実行するとき、請求項1の方法のステップを実行するための、機械可読媒体上に記憶されたプログラムコードを有する、コンピュータプログラム製品。
- コンピュータ内の内部メモリに直接的にロードすることができるコンピュータプログラム製品であって、コンピュータプログラム製品上の前記コンピュータプログラムをコンピュータで実行するとき、請求項1に記載の方法のステップを実行するためのコンピュータプログラムを有する、コンピュータプログラム製品。
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SE0402499A SE0402499L (sv) | 2004-10-13 | 2004-10-13 | Motordrivet fordon och metod med fragmenterad insprutning av kolväten för optimerad oxidering av kvävemonoxid i avgasefterbehandlingssystem |
PCT/SE2005/001521 WO2006041402A1 (en) | 2004-10-13 | 2005-10-12 | Engine-driven vehicle with exhaust emission control |
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BR (1) | BRPI0515981B1 (ja) |
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JP2013083269A (ja) * | 2006-10-11 | 2013-05-09 | Tenneco Automotive Operating Co Inc | ディーゼル排出物質を減少させるための方法 |
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JP2009013809A (ja) * | 2007-07-02 | 2009-01-22 | Hino Motors Ltd | 排気浄化装置 |
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US20140041370A1 (en) * | 2012-08-08 | 2014-02-13 | GM Global Technology Operations LLC | Exhaust Treatment System for Internal Combustion Engine |
DE102012018967B4 (de) * | 2012-09-26 | 2024-09-26 | Daimler Truck AG | Verfahren zum Regenerieren eines Partikelfilters und Anordnung einer Abgasanlage an einer Verbrennungskraftmaschine eines Fahrzeugs |
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WO2006041402A1 (en) | 2006-04-20 |
ES2396137T3 (es) | 2013-02-19 |
US7877984B2 (en) | 2011-02-01 |
EP1802856B1 (en) | 2012-10-03 |
BRPI0515981A (pt) | 2008-08-12 |
SE527367C2 (sv) | 2006-02-21 |
SE0402499D0 (sv) | 2004-10-13 |
EP1802856A4 (en) | 2010-12-01 |
JP4686547B2 (ja) | 2011-05-25 |
CN100510335C (zh) | 2009-07-08 |
BRPI0515981B1 (pt) | 2019-07-16 |
EP1802856A1 (en) | 2007-07-04 |
US20080271438A1 (en) | 2008-11-06 |
SE0402499L (sv) | 2006-02-21 |
CN101040105A (zh) | 2007-09-19 |
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