JP2010538200A - 排気ガス装置、およびNOxトラップと粒子フィルタの再生方法 - Google Patents
排気ガス装置、およびNOxトラップと粒子フィルタの再生方法 Download PDFInfo
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- 239000002245 particle Substances 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 45
- 230000001172 regenerating effect Effects 0.000 title claims abstract description 16
- 239000006200 vaporizer Substances 0.000 claims abstract description 50
- 239000000446 fuel Substances 0.000 claims abstract description 46
- 239000012530 fluid Substances 0.000 claims abstract description 38
- 238000000746 purification Methods 0.000 claims abstract description 33
- 238000004891 communication Methods 0.000 claims abstract description 23
- 239000013618 particulate matter Substances 0.000 claims abstract description 9
- 238000011069 regeneration method Methods 0.000 claims description 18
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 239000003054 catalyst Substances 0.000 claims description 11
- 230000003647 oxidation Effects 0.000 claims description 11
- 238000007254 oxidation reaction Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 135
- 230000008929 regeneration Effects 0.000 description 13
- 230000002745 absorbent Effects 0.000 description 4
- 239000002250 absorbent Substances 0.000 description 4
- IWOUKMZUPDVPGQ-UHFFFAOYSA-N barium nitrate Chemical compound [Ba+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O IWOUKMZUPDVPGQ-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 239000003570 air Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- AYJRCSIUFZENHW-DEQYMQKBSA-L barium(2+);oxomethanediolate Chemical compound [Ba+2].[O-][14C]([O-])=O AYJRCSIUFZENHW-DEQYMQKBSA-L 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- 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
- F01N3/0821—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with particulate filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- 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
- F01N3/02—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
- F01N3/023—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 using means for regenerating the filters, e.g. by burning trapped particles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- 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
- F01N3/02—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
- F01N3/023—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 using means for regenerating the filters, e.g. by burning trapped particles
- F01N3/025—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 using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- 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
- F01N3/02—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
- F01N3/023—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 using means for regenerating the filters, e.g. by burning trapped particles
- F01N3/025—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 using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust
- F01N3/0253—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 using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust adding fuel to exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- 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
- F01N3/0842—Nitrogen oxides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- 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
- F01N3/10—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
- F01N3/24—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 constructional aspects of converting apparatus
- F01N3/30—Arrangements for supply of additional air
- F01N3/306—Preheating additional air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- 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
- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/30—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a fuel reformer
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- 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
- F01N2250/00—Combinations of different methods of purification
- F01N2250/02—Combinations of different methods of purification filtering and catalytic conversion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- 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
- F01N2250/00—Combinations of different methods of purification
- F01N2250/04—Combinations of different methods of purification afterburning and catalytic conversion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- 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
- F01N2270/00—Mixing air with exhaust gases
- F01N2270/04—Mixing air with exhaust gases for afterburning
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- 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
- F01N2610/00—Adding substances to exhaust gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- 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
- F01N3/10—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
- F01N3/24—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 constructional aspects of converting apparatus
- F01N3/36—Arrangements for supply of additional fuel
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
Description
− 低温炎ガスを供給するステップと、
− 低温炎ガスをNOxトラップを通して流すことによりNOxトラップの再生を行うステップとを含む。
− 低温炎ガスを供給するステップと、
− 低温炎ガスを粒子フィルタおよびNOxトラップを通して流すことにより、粒子フィルタとNOxトラップの両方を1回の動作で再生するステップとを含む。
− 排気ガスから微粒子状物質を除去するための粒子フィルタと、
− 排気ガスからNOxを除去するためのNOxトラップと、を含んで成る。
− 低温炎ガスを供給するステップと、
− 排気管部の少なくとも一方の流路の粒子フィルタとNOxトラップを通して低温炎ガスを流すステップとを含む。
11 低温炎気化器
12 燃料源
13 空気源
14 排気ガス管
15 吸気口
16,18,19 弁手段
20 排気
25 流体ライン
26 流体ライン
30 粒子フィルタ
34,35 流路
32 弁手段
40 NOxトラップ
41,42 流体管路
50 酸化触媒
Claims (37)
- 排気ガス管を流れる排気ガスを浄化する排気ガス浄化装置であって、前記排気ガス管に配設された少なくとも1つのNOxトラップを含み、前記NOxトラップが前記排気ガス管を流れる排気ガスからNoxを少なくとも部分的に除去するように構成された排気浄化装置において、前記排気ガス浄化装置がさらに、燃料を予熱空気において部分的に酸化して低温炎ガスを形成する低温炎気化器を備えており、前記低温炎気化器は、低温炎ガスが前記排気ガス管の前記NOxトラップを通過して流れることにより前記NOxトラップを再生できるように、前記排気ガス管と流体連通して配設されていることを特徴とする排気ガス浄化装置。
- 前記低温炎気化器が、前記排気ガス管の外部に配設され、必要に応じて流体ラインにより前記排気ガス管に接続されていることを特徴とする、請求項1に記載の排気ガス浄化装置。
- 前記低温炎気化器が、前記排気ガス管の内部に配設されていることを特徴とする、請求項1に記載の排気ガス浄化装置。
- 前記排気ガス浄化装置が、前記低温炎気化器から前記排気ガス管へと入る低温炎ガスの流れを制御する弁手段を備えることを特徴とする、請求項1〜3のいずれか1項に記載の排気ガス浄化装置。
- 前記排気ガス浄化装置が、前記排気ガス管を流れる排気ガスの流れを制御する弁手段を備えることを特徴とする、請求項1〜4のいずれか1項に記載の排気ガス浄化装置。
- 前記排気ガス浄化装置が、前記低温炎気化器と流体連通して配設された燃料源を備えることを特徴とする、請求項1〜5のいずれか1項に記載の排気ガス浄化装置。
- 前記排気ガス浄化装置が、空気源と空気を予熱するための手段とを備え、空気源が前記低温炎気化器と流体連通して配設されていることを特徴とする、請求項1〜6のいずれか1項に記載の排気ガス浄化装置。
- 前記排気ガス浄化装置が、前記低温炎気化器に入る燃料と予熱空気の流れを制御する弁手段を備えることを特徴とする、請求項6または7に記載の排気ガス浄化装置。
- 排気ガスを浄化するための排気ガス装置であって、少なくとも2本の別個の流路を形成された排気管部を備え、各流路に排気ガスから微粒子状物質を除去するための粒子フィルタと、排気ガスからNOxを除去するためのNOxトラップを設けられている排気ガス装置において、前記排気ガス装置がさらに、予熱空気において燃料を部分的に酸化して低温炎ガスを形成する低温炎気化器であって、低温炎ガスを前記粒子フィルタおよび前記NOxトラップに流すことができるように前記排気管部の流路の各々と流体連通して配設されている少なくとも1つの低温炎気化器と、前記低温炎気化器から前記排気管部の各流路に流れる低温炎ガスの流れを制御する弁手段とを備え、少なくとも一方の流路の前記粒子フィルタと前記NOxトラップの両方が1回の動作で再生できるように構成されていることを特徴とする排気ガス装置。
- 排気ガス用の2本またはそれ以上の別個の流路が前記排気管部に形成されるように前記排気管部に1つまたはそれ以上の仕切り壁を設けることによって、前記流路が形成されていることを特徴とする、請求項9に記載の排気ガス装置。
- 排気ガスを流すことのできる少なくとも2本の別個の管路を前記排気管部に設けることによって、前記流路が形成されていることを特徴とする、請求項9に記載の排気ガス装置。
- 前記少なくとも1つの低温炎気化器が、前記流路の外部に配設されており、必要に応じて流体ラインまたは管路により前記排気管部の各流路に接続されていることを特徴とする、請求項9〜11のいずれか1項に記載の排気ガス装置。
- 前記少なくとも1つの低温炎気化器が、前記排気管部の内部に配設されていることを特徴とする、請求項9〜11のいずれか1項に記載の排気ガス装置。
- 前記排気ガス装置が、前記排気管部の各流路を流れる排気ガスの流れを制御する弁手段を1つまたはそれ以上備えることを特徴とする、請求項9〜13のいずれか1項に記載の排気ガス装置。
- 前記排気ガス装置が、前記低温炎気化器と流体連通して配設された燃料源を備えることを特徴とする、請求項9〜14のいずれか1項に記載の排気ガス装置。
- 前記排気ガス装置が、空気源と空気を予熱するための加熱手段とを備え、前記空気源が前記低温炎気化器と流体連通して配設されていることを特徴とする、請求項9〜15のいずれか1項に記載の排気ガス装置。
- 前記排気ガス装置が、前記低温炎気化器へと流れる燃料と予熱空気の流れを制御する弁手段を1つまたはそれ以上備えることを特徴とする、請求項15または16に記載の排気ガス装置。
- 前記各流路内の前記粒子フィルタの下流に前記NOxトラップが配設されていることを特徴とする、請求項9〜17のいずれか1項に記載の排気ガス装置。
- 前記排気ガス装置が、前記粒子フィルタと前記NOxトラップの下流に配設された酸化触媒を備えることを特徴とする、請求項9〜18のいずれか1項に記載の排気ガス装置。
- 排気ガス管に設けられ、排気ガス管を流れる排気ガスからNoxを除去するためのNOxトラップを再生する方法であって、
低温炎ガスを供給するステップと、
前記NOxトラップを通して低温炎ガスを流すことにより、前記NOxトラップの再生を行うステップと
を含むことを特徴とする方法。 - 排気ガス管を流れる排気ガスを浄化するための浄化手段であって、排気ガスから微粒子状物質を除去するための粒子フィルタと排気ガスからNoxを除去するためのNOxトラップとを備え、前記粒子フィルタと前記NOxトラップが前記排気ガス管に配設されて成る浄化手段を再生する方法であって、
低温炎ガスを供給するステップと、
前記粒子フィルタと前記NOxトラップを通して低温炎ガスを流すことにより、前記粒子フィルタと前記NOxトラップの両方を1回の動作で再生するステップと
を含むことを特徴とする方法。 - 前記NOxトラップを前記粒子フィルタの下流に配設することを特徴とする、請求項21に記載の方法。
- 前記排気管部内の前記粒子フィルタおよび前記NOxトラップの下流に酸化触媒を配設することを特徴とする、請求項21または22に記載の方法。
- 前記低温炎気化器から前記排気ガス管に入る低温炎ガスの流れを制御するための弁手段を設けることを特徴とする、請求項20〜23のいずれか1項に記載の方法。
- 前記低温炎気化器と流体連通して配設される燃料源と、空気源と、空気を予熱するための加熱手段を設け、空気源は前記低温炎気化器と流体連通して配設することを特徴とする、請求項20〜24のいずれ1項かに記載の方法。
- 前記低温炎気化器へと流れる燃料と予熱空気の流れを制御するための弁手段を設けることを特徴とする、請求項20〜25のいずれか1項に記載の方法。
- 排気ガス管の排気管部を流れる排気ガスを浄化する浄化手段であって、前記排気管部に排気ガス用の流路が少なくとも2本形成されており、各流路に排気ガスから微粒子状物質を除去するための粒子フィルタと排気ガスからNoxを除去するためのNOxトラップとが設けられて成る浄化手段を再生する方法において、該方法が、
低温炎ガスを供給するステップと、
前記排気管部の少なくとも一方の流路の前記粒子フィルタと前記NOxトラップを通して低温炎ガスを流すことにより、前記少なくとも一方の流路の前記粒子フィルタと前記NOxトラップの両方を再生するステップと
を含むことを特徴とする方法。 - 前記低温炎気化器から排気ガス管の各流路に入る低温炎ガスの流れを個別に制御するための弁手段を1つまたはそれ以上設けることを特徴とする、請求項27に記載の方法。
- 前記低温炎気化器と流体連通して配設される燃料源と、空気源と、空気を予熱するための加熱手段とを設け、空気源は前記低温炎気化器と流体連通して配設することを特徴とする、請求項27または28に記載の方法。
- 前記低温炎気化器へ流れる燃料と予熱空気の流れを制御するための弁手段を1つまたはそれ以上設けることを特徴とする、請求項27〜29のいずれか1項に記載の方法。
- 前記排気管部の各流路において、それぞれの前記粒子フィルタの下流に前記NOxトラップを配設することを特徴とする、請求項27〜30のいずれかに記載の方法。
- 前記排気管部の前記粒子フィルタと前記NOxトラップの下流に酸化触媒を配設することを特徴とする、請求項27〜31のいずれか1項に記載の方法。
- 圧縮点火エンジンの排気管に前記NOxトラップが配設される場合の、請求項1〜8のいずれか1項に記載の排気ガス浄化装置の使用法。
- 前記排気管部が圧縮点火エンジンの排気ガス管の一部を形成する場合の、請求項9〜17のいずれか1項に記載の排気ガス装置の使用法。
- 前記NOxトラップが圧縮点火エンジンの排気管に配設されている場合の、請求項20に記載のNOxトラップの使用法。
- 圧縮点火エンジンにおける、請求項21に記載の浄化手段再生方法の使用法。
- 圧縮点火エンジンにおける、請求項27〜32のいずれか1項に記載の浄化手段再生方法の使用法。
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2012
- 2012-05-25 CY CY20121100471T patent/CY1113229T1/el unknown
-
2014
- 2014-12-19 US US14/576,251 patent/US20150101315A1/en not_active Abandoned
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JP2012519249A (ja) * | 2009-02-27 | 2012-08-23 | クール フレイム テクノロジーズ アクティーゼルスカブ | 排気ガス浄化装置及び排気ガス浄化方法 |
JP2015140792A (ja) * | 2014-01-30 | 2015-08-03 | 株式会社デンソー | 還元剤添加装置 |
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