JP6469819B2 - 反応剤供給装置 - Google Patents
反応剤供給装置 Download PDFInfo
- Publication number
- JP6469819B2 JP6469819B2 JP2017217333A JP2017217333A JP6469819B2 JP 6469819 B2 JP6469819 B2 JP 6469819B2 JP 2017217333 A JP2017217333 A JP 2017217333A JP 2017217333 A JP2017217333 A JP 2017217333A JP 6469819 B2 JP6469819 B2 JP 6469819B2
- Authority
- JP
- Japan
- Prior art keywords
- reactant
- wall
- supply
- length range
- exhaust
- 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.)
- Active
Links
- 239000000376 reactant Substances 0.000 title claims description 275
- 238000003860 storage Methods 0.000 claims description 26
- 238000010438 heat treatment Methods 0.000 claims description 24
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 238000002485 combustion reaction Methods 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 239000003153 chemical reaction reagent Substances 0.000 claims description 2
- 230000009969 flowable effect Effects 0.000 claims description 2
- 239000006262 metallic foam Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 9
- 239000007921 spray Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000009834 vaporization Methods 0.000 description 5
- 230000008016 vaporization Effects 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000004308 accommodation Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000010531 catalytic reduction reaction Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- 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
- F01N3/18—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
- F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
-
- 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
- F01N3/18—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
- F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
- F01N3/2013—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating using electric or magnetic heating means
-
- 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
- F01N3/18—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
- F01N3/2066—Selective catalytic reduction [SCR]
-
- 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
- F01N3/28—Construction of catalytic reactors
-
- 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
- F01N3/28—Construction of catalytic reactors
- F01N3/2892—Exhaust flow directors or the like, e.g. upstream of catalytic device
-
- 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
- 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
- F01N13/08—Other arrangements or adaptations of exhaust conduits
-
- 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
- F01N2240/20—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 flow director or deflector
-
- 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
- F01N2330/00—Structure of catalyst support or particle filter
- F01N2330/22—Metal foam
-
- 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
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- 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
- F01N2610/10—Adding substances to exhaust gases the substance being heated, e.g. by heating tank or supply line of the added substance
- F01N2610/102—Adding substances to exhaust gases the substance being heated, e.g. by heating tank or supply line of the added substance after addition to exhaust gases, e.g. by a passively or actively heated surface in the exhaust conduit
-
- 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
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Description
排気主流れ方向に排気が通流可能な排気流通路を構成する排気案内部材と、
排気案内部材において排気流通路内に供給体長手方向軸線に沿って延在するように支持された、供給体壁を備える反応剤供給体と、を有し、
反応剤供給体内には、供給体壁の内壁面により包囲された反応剤収容容積が設けられており、反応剤供給体の供給体壁の外壁面の周りを、排気流通路内を流れる排気が流動可能になっており、反応剤収容容積は、少なくとも1つの貫通開口を介して排気流通路に対して開放されており、
前記反応剤供給装置はさらに、反応剤収容容積内に反応剤を供給するための反応剤供給ユニットを有し、
供給体壁には、反応剤供給体を加熱するための加熱装置が、少なくとも供給体壁の内壁面の領域に対応して配置されている。
Claims (25)
- 内燃機関の排気流中に反応剤を供給するための反応剤供給装置であって、
排気主流れ方向(A)に排気(G)が通流可能な排気流通路(13;13a;13b)を構成する排気案内部材(12;12a;12b)と、
前記排気案内部材(12;12a;12b)において前記排気流通路(13;13a;13b)内に供給体長手方向軸線(K)に沿って延在するように支持された、供給体壁(16;16a;16b)を備える反応剤供給体(14;14a;14b)と、を有し、
前記反応剤供給体(14;14a;14b)内には、前記供給体壁(16;16a;16b)の内壁面(32;32a;32b)により包囲された反応剤収容容積(20;20a;20b)が設けられており、該反応剤収容容積(20;20a;20b)は、前記供給体長手方向軸線(K)の方向の先細り方向(R)において、少なくとも部分的に先細りするように形成されており、前記反応剤供給体(14;14a;14b)の前記供給体壁(16;16a;16b)の外壁面(18;18a;18b)の周りを、前記排気流通路(13;13a;13b)内を流れる排気(G)が流動可能になっており、前記反応剤収容容積(20;20a;20b)は、少なくとも1つの貫通開口(44,46;62a,64a;44b,46b)を介して前記排気流通路(13;13a;13b)に対して開放されており、
前記反応剤供給装置は、前記反応剤収容容積(20;20a;20b)内に反応剤(M)を供給するための反応剤供給ユニット(22;22a;22b)をさらに有し、
前記供給体壁(16;16a;16b)には、前記反応剤供給体(14;14a;14b)を加熱するための加熱装置(38;38a;38b)が、少なくとも前記供給体壁(16;16a;16b)の前記内壁面(32;32a;32b)の領域に対応して配置されており、前記供給体壁(16;16a;16b)は、前記内壁面(32;32a;32b)を少なくとも部分的に構成する内壁(30;30a;30b)と、前記外壁面(18;18a;18b)を少なくとも部分的に構成する外壁(26;26a;26b)とを有し、前記加熱装置(38;38a;38b)は、前記内壁(30;30a;30b)と前記外壁(26;26a;26b)との間で少なくとも、先細り型反応剤収容容積(20;20a;20b)を備える前記供給体壁(16;16a;16b)の所定の長さ範囲(L 1 ;L)に配置されている、反応剤供給装置。 - 前記反応剤収容容積(20;20a;20b)は、少なくとも部分的に、円錐状、双曲線状または曲線を描くように先細りしている、請求項1記載の反応剤供給装置。
- 前記供給体壁(16;16a;16b)は、前記先細り方向(R)に少なくとも部分的に先細りするように形成されている、請求項2記載の反応剤供給装置。
- 前記供給体壁(16;16b)は、第1の長さ範囲(L1)では、前記先細り方向(R)に先細りするように形成されており、かつ前記第1の長さ範囲(L1)に続く第2の長さ範囲(L2)では、少なくとも1つの貫通開口(44;44b)を有している、または/かつ前記供給体長手方向軸線(K)の方向において開放されている、請求項2または3記載の反応剤供給装置。
- 前記供給体壁(16;16b)は、前記第1の長さ範囲(L 1 )では、前記先細り方向(R)に円錐状に先細りするように形成されている、請求項4記載の反応剤供給装置。
- 前記供給体壁(16;16b)は、前記第2の長さ範囲(L 2 )では管状である、請求項4または5記載の反応剤供給装置。
- 前記供給体壁(16)は、その第1の長さ範囲(L1)および第2の長さ範囲(L2)でもって前記排気流通路(13)内に配置されている、請求項4、5または6記載の反応剤供給装置。
- 前記供給体壁(16)は、その第1の長さ範囲(L 1 )および第2の長さ範囲(L 2 )でもって前記排気流通路(13)内に配置されており、これにより、前記第1の長さ範囲(L 1 )は、前記供給体長手方向軸線(K)に対する半径方向寸法が最大の領域において前記排気案内部材(12)に隣接するように位置決めされている、請求項7記載の反応剤供給装置。
- 前記供給体壁(16b)は、その第1の長さ範囲(L1)でもって少なくとも部分的に、前記排気流通路(13b)の外側に配置されていると共に、第2の長さ範囲(L2)でもって少なくとも部分的に前記排気流通路(13)内に配置されている、請求項4、5または6記載の反応剤供給装置。
- 前記供給体壁(16b)は、その第1の長さ範囲(L 1 )でもって完全に前記排気流通路(13b)の外側に配置されている、請求項9記載の反応剤供給装置。
- 前記供給体壁(16b)は、その第1の長さ範囲(L 1 )でもって少なくとも部分的に前記排気流通路(13b)の外側に配置されていると共に、第2の長さ範囲(L 2 )でもって少なくとも部分的に前記排気流通路(13)内に配置されており、これにより、前記第1の長さ範囲(L 1 )は、前記供給体長手方向軸線(K)に対する半径方向寸法が最小の領域において、または/かつ前記第1の長さ範囲(L 1 )から前記第2の長さ範囲(L 2 )への移行領域(80b)の範囲において、前記排気案内部材(12)に隣接するように位置決めされている、請求項9または10記載の反応剤供給装置。
- 前記供給体壁(16a)は、前記排気案内部材(12a)に隣接する長さ範囲(L)において、前記先細り方向(R)に先細りするように形成されており、前記長さ範囲(L)に少なくとも1つの貫通開口(62a,64a)を有し、または/かつ前記長さ範囲(L)の、前記排気案内部材(12a)から離れた端部(28a)において開放されている、請求項2または3記載の反応剤供給装置。
- 前記供給体壁(16a)は、前記排気案内部材(12a)に隣接する長さ範囲(L)において、前記先細り方向(R)に円錐状に先細りするように形成されており、かつ前記長さ範囲(L)に少なくとも1つの貫通開口(62a,64a)を有し、または/かつ前記長さ範囲(L)の、前記排気案内部材(12a)から離れた端部(28a)において、前記供給体長手方向軸線(K)の方向に開放されている、請求項12記載の反応剤供給装置。
- 反応剤(G)を前記反応剤収容容積(20;20a;20b)内に供給するための前記反応剤供給ユニット(22;22a;22b)は、前記供給体長手方向軸線(K)に対して平行で、前記先細り方向(R)に相当する反応剤主供給方向(H)に配置されている、請求項2から13までのいずれか1項記載の反応剤供給装置。
- 前記反応剤収容容積(20;20a)は、反応剤(M)の流出用開口(70;46a)の領域において開放されており、前記反応剤収容容積(20;20a)内に、反応剤フィルタ(72;72a)が設けられている、請求項1から14までのいずれか1項記載の反応剤供給装置。
- 前記反応剤フィルタ(72;72a)は、前記反応剤収容容積(20;20a)内で、前記開口(70;46a)の領域内に設けられている、請求項15記載の反応剤供給装置。
- 前記反応剤フィルタ(72;72a)は、多孔質材料を有している、請求項15または16記載の反応剤供給装置。
- 前記反応剤フィルタ(72;72a)は、発泡金属材料を有している、請求項17記載の反応剤供給装置。
- 前記反応剤収容容積(20;20a)内に反応剤変向部材(74;74a)が設けられている、請求項1から18までのいずれか1項記載の反応剤供給装置。
- 前記反応剤変向部材(74;74a)は、前記反応剤供給ユニット(22;22a)から離反する方向に広がるように形成されている、請求項19記載の反応剤供給装置。
- 前記反応剤変向部材(74;74a)は、前記反応剤供給ユニット(22;22a)から離反する方向に円錐状に広がるように形成されている、請求項20記載の反応剤供給装置。
- 前記供給体長手方向軸線(K)は、前記排気主流れ方向(A)に対して直交している、請求項1から21までのいずれか1項記載の反応剤供給装置。
- 前記供給体壁(16;16b)は、前記内壁(30;30b)と前記外壁(26;26b)との間に配置された中間壁(34;34b)を有し、前記加熱装置(38;38b)は、前記内壁(30;30b)と前記中間壁(34;34b)との間に配置されており、または/かつ前記中間壁(34;34b)と前記外壁(26;26b)との間には、絶縁材料(42;42b)が配置されており、
または/かつ
前記加熱装置(38;38a;38b)は、前記内壁(30;30a;30b)を包囲するように配置されている、請求項1から22までのいずれか1項記載の反応剤供給装置。 - 前記加熱装置(38;38a;38b)は、前記内壁(30;30a;30b)をコイル状に包囲するように配置されている、請求項23記載の反応剤供給装置。
- 請求項1から24までのいずれか1項記載の反応剤供給装置(10;10a;10b)を有する、内燃機関用の排気系。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016121741.7 | 2016-11-14 | ||
DE102016121741 | 2016-11-14 | ||
DE102017100246.4 | 2017-01-09 | ||
DE102017100246.4A DE102017100246A1 (de) | 2016-11-14 | 2017-01-09 | Reaktionsmittelabgabeanordnung |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018080697A JP2018080697A (ja) | 2018-05-24 |
JP6469819B2 true JP6469819B2 (ja) | 2019-02-13 |
Family
ID=62026308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017217333A Active JP6469819B2 (ja) | 2016-11-14 | 2017-11-10 | 反応剤供給装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10458301B2 (ja) |
JP (1) | JP6469819B2 (ja) |
CN (1) | CN108071453B (ja) |
DE (1) | DE102017100246A1 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10577995B2 (en) * | 2017-08-25 | 2020-03-03 | Faurecia Emissions Control Technologies, Usa, Llc | Double wall mixer with active heat transfer |
US10273853B2 (en) * | 2017-09-29 | 2019-04-30 | Tenneco Automotive Operating Company Inc. | Wire mesh mixing tube |
DE102018114755A1 (de) | 2018-06-20 | 2019-12-24 | Eberspächer Exhaust Technology GmbH & Co. KG | Mischer |
DE102019107384A1 (de) * | 2019-03-22 | 2020-09-24 | Eberspächer Exhaust Technology GmbH & Co. KG | Abgasheizelement |
DE102019109983A1 (de) * | 2019-04-16 | 2020-10-22 | Eberspächer Exhaust Technology GmbH & Co. KG | Mischer |
US11840952B2 (en) | 2019-07-11 | 2023-12-12 | Donaldson Company, Inc. | Dosing conduit arrangements for exhaust aftertreatment system |
EP3792462A1 (en) | 2019-09-13 | 2021-03-17 | Donaldson Company, Inc. | Dosing and mixing assemblies for exhaust aftertreatment system |
DE102019128193A1 (de) | 2019-10-18 | 2021-04-22 | Eberspächer Exhaust Technology GmbH | Mischeranordnung |
DE102019129795A1 (de) | 2019-11-05 | 2021-05-06 | Eberspächer Exhaust Technology GmbH | Abgasanlage für eine Brennkraftmaschine und Verfahren zur Herstellung einer Abgasanlage |
DE102019131556A1 (de) * | 2019-11-22 | 2021-05-27 | Eberspächer Exhaust Technology GmbH | Abgasheizer |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999056858A2 (de) * | 1998-04-30 | 1999-11-11 | Siemens Aktiengesellschaft | Verfahren und vorrichtung zur katalytischen stickoxidminderung |
US6834498B2 (en) * | 2002-11-21 | 2004-12-28 | Ford Global Technologies, Llc | Diesel aftertreatment systems |
JP4262522B2 (ja) | 2003-05-28 | 2009-05-13 | 株式会社日立ハイテクノロジーズ | エンジン用排気ガス処理装置および排気ガス処理方法 |
DE102004020138B4 (de) * | 2004-04-24 | 2007-02-08 | Daimlerchrysler Ag | Reduktionsmittelzugabesystem |
JP4696039B2 (ja) * | 2006-09-21 | 2011-06-08 | 日立オートモティブシステムズ株式会社 | 排気処理装置用の尿素水注入装置 |
JP4407717B2 (ja) * | 2007-04-23 | 2010-02-03 | 株式会社デンソー | 還元性ガス発生装置、ならびにそれを用いた固体還元剤scrシステム。 |
WO2009106609A1 (de) * | 2008-02-29 | 2009-09-03 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Verdampfungseinheit zur erzeugung eines mindestens einen reduktionsmittelvorläufer und/oder ein reduktionsmittel umfassenden gases |
DE102008002286A1 (de) | 2008-06-09 | 2009-12-10 | Robert Bosch Gmbh | Abgasnachbehandlungseinrichtung für eine Brennkraftmaschine mit einem SCR-Katalysator und Verfahren zum Betreiben einer Brennkraftmaschine |
DE102008043408A1 (de) | 2008-11-03 | 2010-05-06 | Robert Bosch Gmbh | Vorrichtung zur Mischung eines Stroms eines ersten Fluids mit mindestens einem zweiten Fluid |
CN102032030B (zh) * | 2009-09-25 | 2015-04-22 | 中国第一汽车集团公司 | 一种汽车尾气催化还原后处理器的复合单元 |
DE102010032576A1 (de) * | 2010-07-28 | 2012-02-02 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Vorrichtung zur motornahen Abgasbehandlung |
CN103068733A (zh) * | 2010-08-19 | 2013-04-24 | 陶氏环球技术有限责任公司 | 在车辆排放控制***中加热含脲材料的方法和装置 |
SE535198C2 (sv) * | 2010-09-30 | 2012-05-15 | Scania Cv Ab | Arrangemang för att införa ett vätskeformigt medium i avgaser från en förbränningsmotor |
DE102011078877A1 (de) | 2011-07-08 | 2013-01-10 | Robert Bosch Gmbh | Sprührohr für Betriebs-/Hilfsstoff |
CN203081544U (zh) * | 2013-02-06 | 2013-07-24 | 中国重汽集团济南动力有限公司 | 一种尿素液位传感器总成 |
-
2017
- 2017-01-09 DE DE102017100246.4A patent/DE102017100246A1/de not_active Withdrawn
- 2017-11-01 CN CN201711054299.9A patent/CN108071453B/zh active Active
- 2017-11-09 US US15/808,221 patent/US10458301B2/en active Active
- 2017-11-10 JP JP2017217333A patent/JP6469819B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
DE102017100246A1 (de) | 2018-05-17 |
JP2018080697A (ja) | 2018-05-24 |
US20180135487A1 (en) | 2018-05-17 |
US10458301B2 (en) | 2019-10-29 |
CN108071453A (zh) | 2018-05-25 |
CN108071453B (zh) | 2020-10-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6469819B2 (ja) | 反応剤供給装置 | |
CN107859551B (zh) | 用于将反应剂馈入内燃机排气流中的反应剂馈入设备 | |
CN109844274B (zh) | 还原剂混合器 | |
US10188994B2 (en) | Method, apparatus and system for aftertreatment of exhaust gas | |
EP3327263B1 (en) | Apparatus for aftertreatment of exhaust gas comprising inline housing | |
CN101306307A (zh) | 废气清洁*** | |
CN109667645B (zh) | 废气/反应剂混合组件和废气处理组件 | |
CN110617132B (zh) | 混合器 | |
US10252225B2 (en) | Method, apparatus and mixing device for evenly mixing reactant to exhaust gas flow | |
US11465105B2 (en) | Mixing device for mixing a spray from an injector into a gas and system comprising same | |
CN107709718B (zh) | 用于排气***中的混合器 | |
US11156142B2 (en) | Exhaust system | |
WO2016107807A1 (en) | Method, apparatus and device for improved aftertreatment of exhaust gas | |
CN115075919A (zh) | 排气/反应剂混合布置结构 | |
CN109069997B (zh) | 旋流混合式尾气后处理箱及*** | |
JP4388898B2 (ja) | 調量装置 | |
US10422263B2 (en) | Exhaust system for an internal combustion engine | |
US20240068390A1 (en) | Mixing Arrangement for an Exhaust-Gas System of an Internal Combustion Engine | |
CN111742123A (zh) | 用于配量液态的废气后处理剂的废气后处理装置 | |
CN104160124A (zh) | 用于排气净化的设备 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20180827 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20180823 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20181127 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20181218 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20190116 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6469819 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |