JP6255453B2 - 排気ガス後処理装置 - Google Patents
排気ガス後処理装置 Download PDFInfo
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- JP6255453B2 JP6255453B2 JP2016167152A JP2016167152A JP6255453B2 JP 6255453 B2 JP6255453 B2 JP 6255453B2 JP 2016167152 A JP2016167152 A JP 2016167152A JP 2016167152 A JP2016167152 A JP 2016167152A JP 6255453 B2 JP6255453 B2 JP 6255453B2
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- 230000037431 insertion Effects 0.000 claims description 13
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- 238000002485 combustion reaction Methods 0.000 claims description 7
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- 238000012805 post-processing Methods 0.000 claims 1
- 239000002245 particle Substances 0.000 description 24
- 230000003197 catalytic effect Effects 0.000 description 23
- 230000000694 effects Effects 0.000 description 9
- 238000003860 storage Methods 0.000 description 9
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- 238000000034 method Methods 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
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- 230000009467 reduction Effects 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009924 canning Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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
- 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
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
-
- 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
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
- F01N13/1844—Mechanical joints
-
- 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
- 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
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
- F01N13/1811—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration
- F01N13/1816—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration the pipe sections being joined together by flexible tubular elements only, e.g. using bellows or strip-wound pipes
-
- 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
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
- F01N13/1827—Sealings specially adapted for exhaust systems
-
- 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
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
-
- 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
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
- F01N13/1844—Mechanical joints
- F01N13/185—Mechanical joints the connection being realised by deforming housing, tube, baffle, plate, or parts thereof
-
- 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
- F01N3/0211—Arrangements for mounting filtering elements in housing, e.g. with means for compensating thermal expansion or vibration
-
- 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
-
- 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
-
- 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
- F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
- F01N3/2842—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration specially adapted for monolithic supports, e.g. of honeycomb type
-
- 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
- F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
- F01N3/2875—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration by using elastic means, e.g. spring leaves, for retaining catalyst body in the housing
-
- 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
-
- 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
- F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
- F01N2450/30—Removable or rechangeable blocks or cartridges, e.g. for filters
-
- 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
- F01N2470/00—Structure or shape of gas passages, pipes or tubes
- F01N2470/12—Tubes being corrugated
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
- Processes For Solid Components From Exhaust (AREA)
Description
以下の各図はすべて模式図である。
Claims (14)
- 内燃機関の排気ガスシステムに用いられる排気ガス後処理装置であって、
収容スペース(4)を有する少なくとも一つの収容管(3)が配置されたハウジング(2)と、
前記収容スペース(4)に交換可能に配置され、カートリッジチューブ(6)と、当該カートリッジチューブ(6)内に配置された少なくとも一つの排気ガス後処理エレメント(7)とを有する少なくとも一つのカートリッジ(5)とを備え、
前記カートリッジチューブ(6)は、少なくとも一つのバネ部材(27)を介して、環状の段差部(9)に軸方向の付勢力が付与された状態で少なくとも軸方向端面(31)に支持され、
前記バネ部材(27)は、径方向外側に向かって突出し前記収容管(3)に径方向に支持された、少なくとも一つのガイド形状部(32)を有する排気ガス後処理装置。 - 前記バネ部材(27)は円周全体にわたって円環状に形成されている請求項1に記載の排気ガス後処理装置。
- 前記バネ部材(27)は、前記排気ガス後処理エレメント(7)を通るよう形成された排気ガス流路(28)から、前記カートリッジチューブ(6)と前記収容管(3)の間に径方向に形成された環状のスペース(29)を封鎖している請求項2に記載の排気ガス後処理装置。
- 前記バネ部材(27)は前記カートリッジチューブ(6)に当接、および/または前記環状の段差部(9)に当接している請求項3に記載の排気ガス後処理装置。
- 前記ガイド形状部(32)は前記カートリッジチューブ(6)と前記収容管(3)の間に径方向に配置されているか、または
前記ガイド形状部(32)は前記カートリッジチューブ(6)の軸方向端面(31)と前記環状の段差部(9)の間に軸方向に配置されている請求項1乃至請求項4に記載の排気ガス後処理装置。 - 内燃機関の排気ガスシステムに用いられる排気ガス後処理装置であって、
収容スペース(4)を有する少なくとも一つの収容管(3)が配置されたハウジング(2)と、
前記収容スペース(4)に交換可能に配置され、カートリッジチューブ(6)と、当該カートリッジチューブ(6)内に配置された少なくとも一つの排気ガス後処理エレメント(7)とを有する少なくとも一つのカートリッジ(5)とを備え、
前記カートリッジチューブ(6)は、少なくとも一つのバネ部材(27)を介して、環状の段差部(9)に軸方向の付勢力が付与された状態で少なくとも軸方向端面(31)に支持され、
前記バネ部材(27)は、前記カートリッジチューブ(6)の端面(31)を把持して前記バネ部材(27)を前記カートリッジチューブ(6)にクランプ固定する、少なくとも一つのクランプ部(34)を有する排気ガス後処理装置。 - 内燃機関の排気ガスシステムに用いられる排気ガス後処理装置であって、
収容スペース(4)を有する少なくとも一つの収容管(3)が配置されたハウジング(2)と、
前記収容スペース(4)に交換可能に配置され、カートリッジチューブ(6)と、当該カートリッジチューブ(6)内に配置された少なくとも一つの排気ガス後処理エレメント(7)とを有する少なくとも一つのカートリッジ(5)とを備え、
前記カートリッジチューブ(6)は、少なくとも一つのバネ部材(27)を介して、環状の段差部(9)に軸方向の付勢力が付与された状態で少なくとも軸方向端面(31)に支持され、
前記バネ部材(27)は、前記カートリッジチューブ(6)の内側に向かって屈曲したカラー部(37)が係合する少なくとも一つのクリップ部(36)を有し、該クリップ部(36)は前記カラー部(37)の内周縁(39)を把持する把持部(38)を有する排気ガス後処理装置。 - 前記クリップ部(36)は、前記カラー部(37)を前記クリップ部(36)に位置決めするため、前記カラー部(37)に形成された対向ストッパー形状部(41)と協働する少なくとも一つのストッパー形状部(40)を有する請求項7に記載の排気ガス後処理装置。
- 前記バネ部材(27)は、前記カートリッジチューブ(6)の端面(31)と前記環状の段差部(9)の間で軸方向に延伸する、軸方向に弾性を有する少なくとも一つの伸縮部(30)を有する請求項1乃至請求項8のいずれかに記載の排気ガス後処理装置。
- 前記伸縮部(30)は、長手方向断面で見て波型をなす構造を有する請求項9に記載の排気ガス後処理装置。
- 前記バネ部材(27)は、前記バネ部材(27)を前記環状の段差部(9)に軸方向に当接させる支持部(42)を有し、該支持部は、前記バネ部材(27)を前記環状の段差部(9)に径方向に位置決めするため、前記環状の段差部(9)に形成された対向ストッパー形状部(44)と協働する、少なくとも一つのストッパー形状部(43)を有する請求項1乃至請求項10のいずれかに記載の排気ガス後処理装置。
- 内燃機関の排気ガスシステムに用いられる排気ガス後処理装置であって、
収容スペース(4)を有する少なくとも一つの収容管(3)が配置されたハウジング(2)と、
前記収容スペース(4)に交換可能に配置され、カートリッジチューブ(6)と、当該カートリッジチューブ(6)内に配置された少なくとも一つの排気ガス後処理エレメント(7)とを有する少なくとも一つのカートリッジ(5)とを備え、
前記カートリッジチューブ(6)は、少なくとも一つのバネ部材(27)を介して、環状の段差部(9)に軸方向の付勢力が付与された状態で少なくとも軸方向端面(31)に支持され、
前記環状の段差部(9)は、前記カートリッジ(5)を前記収容スペース(4)に挿入するための挿入口(14)に軸方向に対向するよう、前記収容管(3)に固定され、
前記挿入口(14)は、前記ハウジング(2)内に、前記カートリッジ(5)の前記挿入口(14)への挿入を可能とするハウジング開口部(15)と同軸に配置され、
前記ハウジング開口部(15)は前記カートリッジ(5)交換時には取り外し可能な閉塞部材(18)によって閉鎖され、該閉塞部材は前記カートリッジ(5)に軸方向に当接し、前記カートリッジ(5)を前記収容スペース(4)内部に向けて前記バネ部材(27)による付勢力に抗して押圧する排気ガス後処理装置。 - 前記閉塞部材(18)は、前記ハウジング開口部(15)を閉鎖するカバー(19)と、前記カートリッジ(5)に軸方向に支持され、排気ガスを径方向に通過させることが可能な支持リング(20)とを有する請求項12に記載の排気ガス後処理装置。
- 請求項1乃至請求項13のいずれかに記載の排気ガス後処理装置(1)に用いられるカートリッジであって、
該カートリッジ(5)を前記排気ガス後処理装置(1)の収容管(3)に交換可能に挿入するためのカートリッジチューブ(6)と、
該カートリッジチューブ(6)内に配置された少なくとも一つの排気ガス後処理エレメント(7)と、
前記カートリッジチューブ(6)の軸方向端面(31)に配置され、前記カートリッジ(5)が前記収容管(3)に挿入されたときに前記排気ガス後処理装置(1)の環状の段差部(9)に軸方向の付勢力を付与しつつ、前記カートリッジチューブ(6)を軸方向に支持する、少なくとも一つのバネ部材(7)を備える、カートリッジ。
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