CN114474912A - 耐极端高温的多层的柴油排放流体管 - Google Patents
耐极端高温的多层的柴油排放流体管 Download PDFInfo
- Publication number
- CN114474912A CN114474912A CN202110515859.6A CN202110515859A CN114474912A CN 114474912 A CN114474912 A CN 114474912A CN 202110515859 A CN202110515859 A CN 202110515859A CN 114474912 A CN114474912 A CN 114474912A
- Authority
- CN
- China
- Prior art keywords
- tube
- def
- layer
- pipe
- exhaust fluid
- 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.)
- Pending
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 52
- 239000004734 Polyphenylene sulfide Substances 0.000 claims abstract description 19
- 229920000069 polyphenylene sulfide Polymers 0.000 claims abstract description 19
- 239000004954 Polyphthalamide Substances 0.000 claims abstract description 18
- 229920006375 polyphtalamide Polymers 0.000 claims abstract description 18
- 239000004952 Polyamide Substances 0.000 claims abstract description 14
- 229920002647 polyamide Polymers 0.000 claims abstract description 14
- 229920006393 polyether sulfone Polymers 0.000 claims abstract description 11
- 239000010410 layer Substances 0.000 claims description 102
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 29
- 239000012790 adhesive layer Substances 0.000 claims description 25
- 239000000853 adhesive Substances 0.000 claims description 9
- 230000001070 adhesive effect Effects 0.000 claims description 9
- 229910021529 ammonia Inorganic materials 0.000 claims description 9
- 229920006128 poly(nonamethylene terephthalamide) Polymers 0.000 claims description 8
- 239000011230 binding agent Substances 0.000 claims description 2
- 239000000654 additive Substances 0.000 description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 239000007789 gas Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229920002313 fluoropolymer Polymers 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004695 Polyether sulfone Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 238000010531 catalytic reduction reaction Methods 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229920001973 fluoroelastomer Polymers 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/302—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising aromatic vinyl (co)polymers, e.g. styrenic (co)polymers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/11—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall
- F16L11/115—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall having reinforcements not embedded in the wall
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
- B32B27/286—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polysulphones; polysulfides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- 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
-
- 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
- F01N13/009—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
-
- 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
- F01N13/16—Selection of particular materials
-
- 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
- F01N3/18—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]
- F01N3/2073—Selective catalytic reduction [SCR] with means for generating a reducing substance from the exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/045—Hoses, i.e. flexible pipes made of rubber or flexible plastics with four or more layers without reinforcement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/12—Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
- F16L11/125—Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting non-inflammable or heat-resistant hoses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/20—Double-walled hoses, i.e. two concentric hoses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/04—Protection of pipes or objects of similar shape against external or internal damage or wear against fire or other external sources of extreme heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/12—Rigid pipes of plastics with or without reinforcement
- F16L9/121—Rigid pipes of plastics with or without reinforcement with three layers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/12—Rigid pipes of plastics with or without reinforcement
- F16L9/123—Rigid pipes of plastics with or without reinforcement with four layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
-
- 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
-
- 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
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/14—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
- 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
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1406—Storage means for substances, e.g. tanks or reservoirs
-
- 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
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Ceramic Engineering (AREA)
- Exhaust Gas After Treatment (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
向柴油发动机的排放系统供应柴油排放流体的管包括由第一材料制成的内层以及由第二材料制成的外层。所述第一材料包括聚醚砜聚合物或聚苯硫醚。所述第二材料包括聚酰胺或聚邻苯二甲酰胺。所述内层的外表面以及所述外层的内表面包括反应性材料,该反应性材料促进了所述管的内层与外层之间的结合。
Description
技术领域
本部分中所提供的信息是为了总体上介绍本公开的内容的目的。在本部分中所描述的程度上,目前所提及的发明人的工作、以及说明书的在申请时另外可能无法视为现有技术的方面,既不明确地也不暗示地承认为针对本公开的现有技术。
本公开一般来说涉及汽车排放系统,并且更具体地涉及耐极端高温的多层的柴油排放流体管。
背景技术
在由柴油发动机供能的车辆中,来自柴油发动机的排气包括氮氧化物(NO和NO2,统称为NOx)气体。选择性催化还原(SCR)系统用于减少NOx排放。另外,包含水和尿素的柴油排放流体(DEF)被注入排气中。DEF将NOx气体转化为氮气和水,其被释放到环境中。
发明内容
将柴油排放流体供应到柴油发动机的排放系统的管包含由第一材料制成的内层以及由第二材料制成的外层。所述第一材料包括聚醚砜聚合物或聚苯硫醚。第二材料包括聚酰胺或聚邻苯二甲酰胺。所述内层的外表面以及所述外层的内表面包括反应性材料,该反应性材料促进了所述管的内层与外层之间的结合。
在另一特征中,所述反应性材料在没有粘合剂的情况下促进了所述管的内层与外层之间的结合。
在另一特征中,所述管进一步包含在管的内层与外层之间的粘合剂层。
在另一特征中,所述反应性材料促进了所述粘合剂层与所述内层和外层之间的结合。
在另一特征中,聚酰胺包括PA6.10或PA9T。
在其它特征中,所述管邻近于所述排放系统的部件,其中,来自该部件的热量在所述管中从所述柴油排放流体产生了氨气。当没有残留的柴油排放流体存在于所述管中时,氨气在所述管中过热。
在其它特征中,所述管进一步包含第一连接器,该第一连接器将所述管的第一端部连接到供应柴油排放流体的储存器;以及第二连接器,该第二连接器将所述管的第二端部连接到排放系统的部件。所述第一连接器和第二连接器由聚邻苯二甲酰胺或聚苯硫醚制成。
在仍其它的特征中,将柴油排放流体供应到柴油发动机的排放系统的管包含由第一材料制成的内层和由第二材料制成的外层。所述第一材料包括聚醚砜聚合物或聚苯硫醚。所述第二材料包括聚酰胺或聚邻苯二甲酰胺。
在另一特征中,所述内层的外表面以及所述外层的内表面包括非粘合性的材料,该材料在没有粘合剂的情况下促进了所述内层与外层之间的结合。
在另一特征中,所述管进一步包含在管的内层与外层之间的粘合剂层。
在另一特征中,所述内层的外表面以及所述外层的内表面包括材料,该材料促进了所述粘合剂层与内层和外层之间的结合。
在另一特征中,聚酰胺包括PA6.10或PA9T。
在另一特征中,所述管邻近于所述排放系统的部件,其中,来自该部件的热量在所述管中从所述柴油排放流体产生了氨气。当没有残留的柴油排放流体存在于所述管中时,氨气在所述管中过热。
在其它特征中,所述管进一步包含第一连接器,该第一连接器将所述管的第一端部连接到供应柴油排放流体的储存器;以及第二连接器,该第二连接器将所述管的第二端部连接到排放系统的部件。所述第一连接器和第二连接器由聚邻苯二甲酰胺或聚苯硫醚制成。
根据具体实施方式、权利要求书和附图,本公开的其它的应用领域将变得显而易见。具体实施方式和特定的示例仅旨在说明的目的,并且并不旨在限制本公开的范围。
本公开还包括如下技术方案。
技术方案1. 一种向柴油发动机的排放系统供应柴油排放流体的管,所述管包含:
由第一材料制成的内层,其中,所述第一材料包括聚醚砜聚合物或聚苯硫醚;以及
由第二材料制成的外层,其中,所述第二材料包括聚酰胺或聚邻苯二甲酰胺,
其中,所述内层的外表面以及所述外层的内表面包括反应性材料,所述反应性材料促进了所述管的内层与外层之间的结合。
技术方案2. 根据技术方案1所述的管,其中,所述反应性材料在没有粘合剂的情况下促进了所述管的内层与外层之间的结合。
技术方案3. 根据技术方案1所述的管,还包括在所述管的内层与外层之间的粘合剂层。
技术方案4. 根据技术方案3所述的管,其中,所述反应性材料促进了所述粘合剂层与所述内层和外层之间的结合。
技术方案5. 根据技术方案1所述的管,其中,所述聚酰胺包括PA6.10或PA9T。
技术方案6. 根据技术方案1所述的管,其中:
所述管邻近于所述排放系统的部件,其中,来自所述部件的热量在所述管中从所述柴油排放流体产生了氨气;并且
当没有残留的柴油排放流体存在于所述管中时,氨气在所述管中过热。
技术方案7. 根据技术方案1所述的管,还包含:
第一连接器,其将所述管的第一端部连接至供应所述柴油排放流体的储存器;以及
第二连接器,其将所述管的第二端部连接至所述排放系统的部件;
其中,所述第一连接器和第二连接器由聚邻苯二甲酰胺或聚苯硫醚制成。
技术方案8. 一种向柴油发动机的排放系统供应柴油排放流体的管,所述管包含:
由第一材料制成的内层,其中,所述第一材料包括聚醚砜聚合物或聚苯硫醚;以及
由第二材料制成的外层,其中,所述第二材料包括聚酰胺或聚邻苯二甲酰胺。
技术方案9. 根据技术方案8所述的管,其中,所述内层的外表面以及所述外层的内表面包括非粘合性的材料,所述非粘合性的材料在没有粘合剂的情况下促进了所述内层与外层之间的结合。
技术方案10. 根据技术方案8所述的管,还包含在所述管的内层与外层之间的粘合剂层。
技术方案11. 根据技术方案10所述的管,其中,所述内层的外表面以及所述外层的内表面包括材料,所述材料促进了所述粘合剂层与内层和外层之间的结合。
技术方案12. 根据技术方案8所述的管,其中,所述聚酰胺包括PA6.10或PA9T。
技术方案13. 根据技术方案8所述的管,其中:
所述管邻近于所述排放系统的部件,其中,来自所述部件的热量在所述管中从所述柴油排放流体产生了氨气;并且
当没有残留的柴油排放流体存在于所述管中时,氨气在所述管中过热。
技术方案14. 根据技术方案8所述的管,还包含:
第一连接器,其将所述管的第一端部连接至供应所述柴油排放流体的储存器;以及
第二连接器,其将所述管的第二端部连接至所述排放系统的部件;
其中,所述第一连接器和第二连接器由聚邻苯二甲酰胺或聚苯硫醚制成。
附图说明
根据具体实施方式和附图将更加全面地理解本公开,其中:
图1示出了柴油发动机的排放系统的示例的功能框图;
图2示出了与根据本公开的排放系统一起使用的柴油排放流体(DEF)管的横截面视图;
图3A和图3B示出了根据本公开的不具有粘合剂层的DEF管的横截面视图;并且
图4A和图4B示出了根据本公开的具有所述粘合剂层的DEF管的横截面视图。
在附图中,附图标记可以被重复使用以标识相似和/或相同的元件。
具体实施方式
用于向柴油供能的车辆的排放系统供应柴油排放流体(DEF)的管(或软管)(以下称为DEF管)可能会经受来自所述排放系统的相邻部件的相对高的温度。高温能够使得在DEF管中的残留DEF沸腾,所述DEF将产生氨气。只要一些残留的DEF在DEF管中保持液态,氨气就不会达到下述温度:在该温度下氨气变得具有化学侵蚀性并且损坏DEF管。如果穿过DEF管的壁进行传递的热通量使得在DEF管中的所有残留的DEF沸腾(即,如果在DEF管中没有残留的DEF保持液态),则氨气就变得过热并且具有化学侵蚀性。如果不使用耐高温的材料来构造DEF管,并且如果DEF管的内层不包含对于由于过热的氨气所致的化学侵蚀进行抵抗的材料,则DEF管的内表面和外表面可能劣化并且变脆。
为了抵抗由于过热的氨气所致的化学侵蚀,通常将诸如氟碳聚合物和含氟弹性体之类的材料用作DEF管的内衬。然而,氟碳聚合物价格昂贵,并且含氟弹性体会增加DEF管的重量。
本公开提供了由如下材料制成的DEF管:所述材料比氟碳聚合物更便宜并且其对于由于过热的氨气所致的热量和化学侵蚀具有抵抗力。具体地,根据本公开的DEF管包括两层或三层。DEF管的内层或内衬(也称为第一层)能够包括具有耐高温性和耐化学性的聚醚砜聚合物(PES)或聚苯硫醚(PPS)。DEF管的外层(也称为第二层)能够包括聚酰胺(例如PA6.10、PA9T)或聚邻苯二甲酰胺(PPA)。粘合剂的层(也称为第三层或粘合剂层)可用于将DEF管的内层结合到外层或可不用于将DEF管的内层结合到外层。取决于材料等级和用于制造DEF管的工艺,粘合剂层可以作为选项来使用。
此外,DEF管的内层的外表面以及外层的内表面可以包括添加剂,该添加剂有助于在具有粘合剂层或不具有粘合剂层的情况下将DEF管的内层的外表面结合到外层的内表面。例如,这些不是粘合剂的添加剂可以包括化学反应性物质,例如具有双键的化合物。当在DEF管的制造期间经受高温和/或高压时,这些添加剂将DEF管的内层的外表面结合到外层的内表面。当使用粘合剂层时,当在DEF管的制造期间经受高温和/或高压时,这些添加剂将粘合剂层结合到DEF管的内层的外表面,并且结合到DEF管的外层的内表面。下文详细地描述本公开的这些特征和其它特征。
图1示出了包括柴油发动机102的排放系统100的示例。排放系统100包含柴油颗粒过滤器(DPF)104、选择性催化还原(SCR)系统106、消声器108以及尾管110。柴油发动机102燃烧柴油并产生排气。DPF104从排气中去除颗粒物质。SCR系统106从排气中减少NOx气体。
另外,排放系统100包含DEF供应部或储存器112,其通过DEF管114来供应DEF。所述DEF管114的第一端部通过第一连接器116连接到DEF供应部112。DEF管114的第二端部通过第二连接器118(例如从SCR系统106的上游)连接至排放系统100的排放管120。第一和第二连接器112、118也由聚邻苯二甲酰胺(PPA)、聚苯硫醚(PPS)或耐相对高温的其它合适材料制成。
来自DEF供应部112的DEF以受控的方式被注入排放系统100的部件中。例如,来自DEF供应部112的DEF通过DEF管114注入到排放管120中。可以替代的是,DEF可以通过DEF管114直接注入到SCR系统106中。注入到排放系统100中的DEF将排气中的NOx气体转化为氮气和水。氮气和水通过消声器108和尾管110释放到环境中。
图2-图4B示出了根据本公开的DEF管114的各种横截面视图。在图2-图4B中,DEF管的所示出的元件未按比例绘制。例如,出于说明性目的,放大了元件的直径和厚度以及元件之间的距离。此外,DEF管114的形状被示出为圆柱形,仅用于示例。下文所描述的DEF管114及其元件可以是任何其它的几何形状,并且可以具有各种尺寸。
在图2中,DEF管114包括内层(贯穿本公开也称为第一层)150和外层(贯穿本公开也称为第二层)152。内层150的外表面154以及外层152的内表面156包括上文所描述的反应性添加剂,下文参照图3A和图3B来示出并且描述所述反应性添加剂。另外,DEF管114可以可选地包括粘合剂层(贯穿本公开也称为第三层)158,下文参考图4A和图4B来示出和描述所述粘合剂层。
如上所述,DEF管114的内层150可以包括具有耐高温性和耐化学性的聚醚砜聚合物(PES)或聚苯硫醚(PPS)。DEF管114的外层152可以包括聚酰胺(例如PA6.10、PA9T)或聚邻苯二甲酰胺(PPA)。优选的是,DEF管114的内层150由PPS制成,并且DEF管114的外层152由PA6.10或PA9T制成。DEF管114使用挤压工艺来制造。粘合剂层158也可以包括耐相对高温的材料。
图3A和图3B示出了根据本公开的不具有粘合剂层的DEF管114的横截面视图。图3A示出了内层150的外表面154以及外层152的内表面156。为了说明的目的,图3B通过不强调内层和外层150、152来示出外表面和内表面154、156。内层150的外表面154以及外层152的内表面156包括上述反应性添加剂(例如具有双键的化合物)。
需要注意的是,所述外表面和内表面154、156以在内层和外层150、152上的反应性添加剂的层或涂层的形式来示出,仅用于说明的目的。即,外表面和内表面154、156可以是DEF管114的内层和外层150、152上的反应性添加剂的层或涂层的形式。可替代的是,在制造所述内层和外层150、152期间,能够优选地以邻近于外表面和内表面154、156的方式将反应性添加剂构造到内层和外层150、152中。因此,内层和外层150、152可以制造成要么将反应性添加剂涂覆在外表面和内表面154、156上,要么将反应性添加剂嵌入在外表面和内表面154、156中。
图4A和图4B示出了根据本公开的具有所述粘合剂层的DEF管114的横截面视图。图4A示出了设置在内层150的外表面154与外层152的内表面156之间的粘合剂层158。为了说明的目的,图4B通过不强调内层和外层150、152来示出粘合剂层158以及外表面和内表面154、156。如上所述,在内层和外层150、152的外表面和内表面154、156中的反应性添加剂(无论是涂覆在内层和外层150、152上还是嵌入在内层和外层150、152中)都有助于将粘合剂层158结合到内层和外层150、152的外表面和内表面154、156。
由于DEF管114邻近于排放系统100的部件(例如柴油发动机102、DPF104、排放管120、SCR系统106、消声器108等),使得DEF管114经受了来自排放系统100的部件的热量。由于DEF管114所经受的来自排放系统100的部件的热量,使得在DEF管114中从柴油排放流体中产生了氨气。当没有残留的柴油排放流体存在于DEF管114中时,氨气在DEF管114中过热。
然而,正如上文参考图2至图4A所描述的那样,由于DEF管114的结构并且由于用于制造DEF管114的材料,使得DEF管114能够承受相对高温以及过热的氨气的化学侵蚀。因此,延长了DEF管114的寿命。此外,由于用于制造DEF管114的材料,使得DEF管114与其它的设计相比相对便宜。
前面的描述本质上仅是说明性的,并且不旨在限制本公开、本公开的应用或用途。本公开的广泛教导可以以多种形式来实现。因此,尽管本公开包括特定的示例,但是本公开的真实范围不应受到如此限制,因为根据对于附图、说明书以及所附的权利要求的研究,其它的修改将变得显而易见。应当理解的是,在不改变本公开的原理的情况下,可以以不同的顺序(或同时)来执行在方法内的一个或多个步骤。此外,尽管上文将实施例中的每一个都描述为具有某些特征,但是关于本公开的任何实施例来描述的那些特征中的任何一个或多个特征可以在任何其它的实施例的特征中来实施,和/或与任何其它的实施例的特征相组合地来实施,即使没有明确地描述该组合。换句话说,所描述的实施例不是互相排斥的,并且一个或多个实施例彼此的置换仍在本公开的范围内。
使用各种术语(包括“连接”、“接合”、“耦合”、“相邻”、“在……旁边”、“在……之上”、“在上方”、“在下方”和“布置”)来描述元件之间(例如模块、电路元件、半导体层等之间)的空间和功能关系。除非明确地描述为“直接的”,否则当在上述公开中描述在第一元件与第二元件之间的关系时,该关系可以是直接关系(其中,在第一元件与第二元件之间不存在其它的介于中间的元件);但是也可以是间接的关系(其中,(在空间上或功能上)在第一元件与第二元件之间存在一个或多个介于中间的元件)。正如在本文中所使用的那样,短语A、B和C中的至少一个应该被解释为使用非排他性的逻辑“或”来表示逻辑(A或B或C),并且不应该被解释为表示“A中至少一个、B中的至少一个以及C中的至少一个”。
在附图中,箭头的方向(如箭头头部所指示的那样)通常说明了该图示感兴趣的信息(例如数据或指令)的流动。例如,当元件A和元件B交换各种信息,但从元件A传输到元件B的信息与图示有关时,箭头可能从元件A指向元件B。此单向箭头并不暗示着没有其它信息从元件B传输到元件A。此外,对于从元件A发送到元件B的信息而言,元件B可以向元件A发送对于该信息的请求或者接收确认。
Claims (10)
1. 一种向柴油发动机的排放系统供应柴油排放流体的管,所述管包含:
由第一材料制成的内层,其中,所述第一材料包括聚醚砜聚合物或聚苯硫醚;以及
由第二材料制成的外层,其中,所述第二材料包括聚酰胺或聚邻苯二甲酰胺,
其中,所述内层的外表面以及所述外层的内表面包括反应性材料,所述反应性材料促进了所述管的内层与外层之间的结合。
2.根据权利要求1所述的管,其中,所述反应性材料在没有粘合剂的情况下促进了所述管的内层与外层之间的结合。
3.根据权利要求1所述的管,还包括在所述管的内层与外层之间的粘合剂层。
4.根据权利要求3所述的管,其中,所述反应性材料促进了所述粘合剂层与所述内层和外层之间的结合。
5.根据权利要求1所述的管,其中,所述聚酰胺包括PA6.10或PA9T。
6. 根据权利要求1所述的管,其中:
所述管邻近于所述排放系统的部件,其中,来自所述部件的热量在所述管中从所述柴油排放流体产生了氨气;并且
当没有残留的柴油排放流体存在于所述管中时,氨气在所述管中过热。
7. 根据权利要求1所述的管,还包含:
第一连接器,其将所述管的第一端部连接至供应所述柴油排放流体的储存器;以及
第二连接器,其将所述管的第二端部连接至所述排放系统的部件;
其中,所述第一连接器和第二连接器由聚邻苯二甲酰胺或聚苯硫醚制成。
8. 一种向柴油发动机的排放系统供应柴油排放流体的管,所述管包含:
由第一材料制成的内层,其中,所述第一材料包括聚醚砜聚合物或聚苯硫醚;以及
由第二材料制成的外层,其中,所述第二材料包括聚酰胺或聚邻苯二甲酰胺。
9.根据权利要求8所述的管,其中,所述内层的外表面以及所述外层的内表面包括非粘合性的材料,所述非粘合性的材料在没有粘合剂的情况下促进了所述内层与外层之间的结合。
10.根据权利要求8所述的管,还包含在所述管的内层与外层之间的粘合剂层。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17/082,247 US11519528B2 (en) | 2020-10-28 | 2020-10-28 | Extreme high-temperature resistant multilayered diesel exhaust fluid tubing |
US17/082247 | 2020-10-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN114474912A true CN114474912A (zh) | 2022-05-13 |
Family
ID=81077095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110515859.6A Pending CN114474912A (zh) | 2020-10-28 | 2021-05-12 | 耐极端高温的多层的柴油排放流体管 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11519528B2 (zh) |
CN (1) | CN114474912A (zh) |
DE (1) | DE102021112631A1 (zh) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130273286A1 (en) * | 2012-04-13 | 2013-10-17 | Ticona Llc | Polyarylene Sulfide Components for Heavy Duty Trucks |
CN104018962A (zh) * | 2013-03-01 | 2014-09-03 | Ti汽车富尔达布吕克有限公司 | 多层的燃油管路 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BRPI0507164B1 (pt) * | 2004-01-27 | 2018-08-07 | Ube Industries, Ltd. | Tubo multicamadas |
JP2006194432A (ja) * | 2004-12-17 | 2006-07-27 | Tokai Rubber Ind Ltd | 燃料輸送用の配管部材 |
DE102009026254A1 (de) * | 2009-07-27 | 2011-02-03 | Contitech Mgw Gmbh | Schlauch mit medienbeständiger Innenschicht, seine Verwendung und Verfahren zu dessen Herstellung |
DE102010053737A1 (de) * | 2010-12-08 | 2012-06-14 | Voss Automotive Gmbh | Beheizbare Fluidleitung, deren Verwendung sowie Verfahren zu ihrer Herstellung |
JP6365782B2 (ja) * | 2016-06-29 | 2018-08-01 | 東レ株式会社 | ポリフェニレンスルフィド樹脂組成物およびそれを用いた中空成形品 |
-
2020
- 2020-10-28 US US17/082,247 patent/US11519528B2/en active Active
-
2021
- 2021-05-12 CN CN202110515859.6A patent/CN114474912A/zh active Pending
- 2021-05-15 DE DE102021112631.2A patent/DE102021112631A1/de active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130273286A1 (en) * | 2012-04-13 | 2013-10-17 | Ticona Llc | Polyarylene Sulfide Components for Heavy Duty Trucks |
CN104018962A (zh) * | 2013-03-01 | 2014-09-03 | Ti汽车富尔达布吕克有限公司 | 多层的燃油管路 |
Non-Patent Citations (1)
Title |
---|
中国建筑材料检验认证中心等: "《建筑用管材与管件检测技术》", pages: 194 * |
Also Published As
Publication number | Publication date |
---|---|
US11519528B2 (en) | 2022-12-06 |
DE102021112631A1 (de) | 2022-04-28 |
US20220128177A1 (en) | 2022-04-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2578828B1 (en) | Exhaust gas purification device | |
JP4779959B2 (ja) | 排気浄化装置 | |
US20090092525A1 (en) | Exhaust gas cleaning apparatus with improved configuration ensuring proper injection of reducing agent | |
US20070246411A1 (en) | Pollution-reducer device, a motor vehicle fitted with such a device, and a corresponding pipe | |
WO2010079847A1 (ja) | 内燃機関の排気浄化装置 | |
JP2009508681A (ja) | 端面側の硬ろう付け区域を備えるハニカム体 | |
JP2012002085A (ja) | 排気流通管の構造 | |
US11519528B2 (en) | Extreme high-temperature resistant multilayered diesel exhaust fluid tubing | |
CN102209845A (zh) | 内燃机系统以及用于这种内燃机系统的微粒过滤器单元 | |
JP2009281711A (ja) | 二重管の曲げ加工方法およびその方法で曲げた二重管並びにその二重管を用いた二重管式熱交換器 | |
US8839517B2 (en) | Spin formed catalyst | |
JP4689647B2 (ja) | 断熱排気管 | |
US20090026763A1 (en) | Sliding Sealing Connector | |
US20170030238A1 (en) | Angled sensor mount for use with a single module aftertreatment system or the like | |
JP7327232B2 (ja) | 管接合方法及び、管接合構造 | |
WO2012008571A1 (ja) | 排気ガス浄化装置 | |
US12013075B2 (en) | Insulated exhaust gas conduit systems | |
US20220082040A1 (en) | Lance injector assembly with heating element | |
US10648393B2 (en) | Outer beaded body for mounting and joint interfaces | |
JP6729008B2 (ja) | 排気浄化装置 | |
US20160230717A1 (en) | Coating for engine | |
JP2020090921A (ja) | 排気浄化装置 | |
GB2619833A (en) | Insulated exhaust gas conduit systems | |
KR20180124323A (ko) | 수냉식 이지알 쿨러, 및 이의 제조방법 | |
JP2016153611A (ja) | 排気管 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |