CN105804839B - 用于排气引导系统的支撑环和排气引导结构组件 - Google Patents

用于排气引导系统的支撑环和排气引导结构组件 Download PDF

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CN105804839B
CN105804839B CN201610021501.7A CN201610021501A CN105804839B CN 105804839 B CN105804839 B CN 105804839B CN 201610021501 A CN201610021501 A CN 201610021501A CN 105804839 B CN105804839 B CN 105804839B
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CN105804839A (zh
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M·费伦卡克
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Prim Co.,Ltd.
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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
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2839—Arrangements for mounting catalyst support 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • F01N3/2853—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration using mats or gaskets between catalyst body and 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
    • 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
    • F01N3/2853—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration using mats or gaskets between catalyst body and housing
    • F01N3/2867—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration using mats or gaskets between catalyst body and housing the mats or gaskets being placed at the front or end face of catalyst body
    • 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
    • F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
    • F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing
    • F16L3/1058—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing one member being flexible or elastic
    • 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
    • F01N2350/00—Arrangements for fitting catalyst support or particle filter element in the housing
    • F01N2350/02—Fitting ceramic monoliths in a metallic housing
    • F01N2350/06—Fitting ceramic monoliths in a metallic housing with means preventing gas flow by-pass or leakage
    • 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

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  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
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  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

本发明涉及一种用于排气引导系统的支撑环(36)，其包括带有多个主体扇段(46、48)的支撑元件主体(40)和将这些主体扇段相互连接的支撑装置(42)，支撑装置利用金属丝材料构造而成，至少一个主体扇段构成为具有U形轮廓，支撑装置至少部分地容纳在U形轮廓内腔中，所述至少一个主体扇段与支撑装置通过摩擦锁合固定连接，摩擦锁合通过局部挤压支撑装置以形成多个挤压区域并且由此将支撑装置挤压到U形轮廓内腔中并使支撑装置在摩擦挤压的情况下贴靠在所述至少一个主体扇段的U腿上而提供，在所述多个挤压区域上通过焊接部产生在支撑装置与所述至少一个主体扇段之间的材料接合。本发明还涉及一种用于排气引导系统的排气引导结构组件。

Description

用于排气引导系统的支撑环和排气引导结构组件
技术领域
本发明涉及一种支撑环，该支撑环例如可以应用在车辆内燃机的排气引导系统中，以便为设置在排气引导系统中的排气处理装置、例如催化器装置产生支撑作用。
背景技术
在图4中示出设有一个用于排气引导系统的排气引导结构组件10。该排气引导结构组件10包括一个管状的排气引导元件12。管状的排气引导元件12具有一个基本上圆筒形的中央区段14和优选在两个端部区域上相应的圆筒形的端部区段16或18。在从中央区段14向端部区段16、18的过渡部中，分别设有一个例如圆锥状的扩展区域20和22。
在排气引导元件12中设有一个总体上用24标出的排气处理装置、例如催化器装置。其包括一个催化器单元26，该催化器单元例如具有基材和承载在其上的催化材料。催化器单元26在其外周区域上被支承垫28、亦即垫状的柔性的材料包围，该材料也通过挤压作用将催化器单元26基本上固定在中央区段14中。
与排气处理装置24的两个沿排气引导结构组件10的纵轴线A方向的端部区域30、32中的至少一个端部区域相配地，分别设有一个支撑环36、38。每个支撑环36、38在过盈配合(挤压配合)的情况下径向向外支撑在排气引导元件12的相应端部区段16、18的内周上并且按这种方式和方法保持在排气引导元件12中。每个支撑环36、38沿轴向方向覆盖催化器单元26的位于径向外侧的边缘区域。按这种方式和方法，除了之前已经提及的挤压固定之外，在排气引导元件12的中央区段14中设有用于催化器单元26或通常排气处理装置24的支撑作用的另一贡献。此外有利的是，通过覆盖位于径向外侧的边缘区域，催化器单元26在该区域内被保护以防腐蚀。
每个支撑环36、38构造成具有一个例如构成为金属板成型件的支撑元件主体40，该支撑元件主体的横截面构成为具有U形轮廓。在U形轮廓内腔中设有一个支撑装置42，该支撑装置例如可以包括一个由金属丝网构造的支撑元件44。该柔性的支撑元件44沿轴向支撑在催化器单元26上，而不损坏其结构完整性、特别是催化材料。
发明内容
本发明的目的在于，设定一种用于排气引导系统的支撑环，该支撑环在可简单制造的情况下可以产生可靠的支撑作用，例如为在车辆内燃机的排气引导系统中的排气处理装置。
按照本发明，所述目的通过一种用于排气引导系统、特别是车辆内燃机的排气引导系统的支撑环实现，该支撑环包括带有多个主体扇段的支撑元件主体和将这些主体扇段相互连接的支撑装置，其中，所述支撑装置利用金属丝材料构造而成，至少一个主体扇段构成为具有U形轮廓，并且所述支撑装置至少部分地容纳在U形轮廓内腔中，构成为具有U形轮廓的所述至少一个主体扇段与所述支撑装置通过摩擦锁合固定连接，摩擦锁合通过局部挤压支撑装置以形成多个挤压区域并且由此将支撑装置挤压到U形轮廓内腔中并使支撑装置在摩擦挤压的情况下贴靠在构成为具有U形轮廓的所述至少一个主体扇段的U腿上而提供，在所述多个挤压区域上通过焊接部产生在支撑装置与构成为具有U形轮廓的所述至少一个主体扇段之间的材料接合。
因为在按照本发明的支撑环中支撑元件主体包括多个主体扇段，亦即构造成具有多个共同提供支撑元件主体的构件，所以每个所述主体扇段可以按简单、但仍精确的方式和方法例如通过金属板坯的成型而产生，从而支撑元件主体在其整体上可以构造成具有圆环状的结构和多个沿周向方向彼此相继的主体扇段。因为主体扇段都不必在整个周向区域上延伸，所以这些主体扇段即使在原则上弯曲的配置中也可以以高的制造精度制备，从而一方面可以沿径向向外产生可靠的支撑作用，以便可以将支撑环保持在排气引导元件中，但另一方面也可以可靠地为排气处理装置产生支撑作用。
为了可以按简单的方式实现支撑环在结构上保持在一起，而建议，至少两个主体扇段在彼此相对的主体扇段端部区域内彼此邻接，并且所述支撑装置将各主体扇段相互连接。在按照本发明的支撑环中，支撑装置因而不仅满足用于支撑例如排气处理装置的功能，而且保证原则上彼此分开构造的主体扇段被相互连接。
为了可以避免在将按照本发明的支撑环插入例如管状的排气引导元件中时出现卡死，而建议，在所述主体扇段端部区域之间形成间隙。
有利地，至少一个、优选每个主体扇段构成为具有U形轮廓，所述支撑装置至少部分地容纳在U形轮廓内腔中。
为了可以提供或者不妨碍支撑元件例如与排气处理装置的支撑交互作用，此外建议，U形轮廓具有一个位于径向内侧的U腿、一个位于径向外侧的U腿和一个将这些U腿相连接的连接区域，并且一个U腿、优选位于径向内侧的U腿短于另一个U腿。在此有利地，支撑装置便沿离开连接区域的方向延伸至少超过较短的U腿。
为了例如与排气处理装置的支撑交互作用而建议，支撑装置是柔性的。有利地，该支撑装置也构成为环状的、优选构成为闭合环状的，从而在整个周向区域上一方面可以得到支撑作用，但另一方面也实现将支撑元件主体的各个主体扇段保持在一起。
为了确保可经济制造性，但另一方面也为了得到对于在排气引导系统中的比较侵蚀性的环境适合的构造，此外可以规定，至少一个主体扇段、优选每个主体扇段构成为板材成型件。
为了也将支撑装置设计成适合于比较侵蚀性的环境，而建议，该支撑装置利用金属丝材料、优选利用金属丝网、金属丝针织物、金属丝编织物或金属丝纺织物、亦即通常例如由多根金属单丝制备一个体积主体的材料构造而成。
为了确保可靠地保持在一起而建议，至少一个主体扇段、优选每个主体扇段与支撑装置固定连接，优选通过摩擦锁合或/和材料接合。
本发明还涉及一种用于排气引导系统的、特别是用于车辆内燃机的排气引导系统的排气引导结构组件，其包括管状的排气引导元件、设置在排气引导元件中的排气处理装置、优选催化器装置，以及在排气处理装置的至少一个端部区域上包括具有上述构造的支撑环。
附图说明
下面参照附图详细描述本发明。图中：
图1示出第一实施方式的支撑环的俯视图，
图2示出第二实施方式的支撑环的俯视图，
图3示出沿着图1中的径向线III-III剖切的图1的支撑环的横截面图，
图4示出用于排气引导系统的排气引导结构组件的纵剖视图。
具体实施方式
先参照图4描述一种排气引导结构组件10，在该排气引导结构组件中可以应用按照本发明构造的支撑环，从而可以参阅与此相关的说明。接着参照图1至3描述支撑环的构造，该支撑环例如可以作为支撑环36或者作为支撑环38应用在图4所示的构造中。下文要示例性地参照支撑环36。
在图1中示出一种构造，在该构造中支撑环36具有一个带有两个主体扇段46、48的支撑元件主体40。每个主体扇段46、48构成为圆环扇段状的并且几乎在180°的角度范围上延伸。这两个主体扇段46、48的相应的主体扇段端部区域50、52、54、56在保持间隙58、60的情况下带有周向间距地彼此相对，因而在这些区域内彼此邻接。
如图3依据主体扇段48示例性示出这一点那样，支撑元件主体40或者主体扇段46、48的横截面构成为具有U形轮廓。其包括一个关于环结构位于径向内侧的U腿62和一个位于径向外侧的U腿64。这两个例如基本上彼此平行延伸的U腿62、64通过一个例如基本上平坦构成的连接区域66相互连接。每个主体扇段46、48可以按简单的方式和方法作为金属板成型件制备。因为主体扇段46、48基本上都不在整个圆周区段上延伸，所以这些主体扇段46、48也可以在之前描述的制造方法中基本上无翘曲地制备。
支撑装置42的之前已经提及的支撑元件44嵌入在支撑元件主体40或者主体扇段46、48的相应的U形轮廓内腔68中。例如利用金属丝材料、例如金属丝网或类似物构造的支撑元件44优选基本上环状地并且无中断地在支撑元件主体40的整个圆周上延伸，并且特别是桥接(跨接)间隙58、60。按这种方式和方法将这两个主体扇段46、48保持在一起，以便制备支撑环36的环状结构。
为了实现支撑元件44与主体扇段46、48的稳定连接，可以在优选多个周向位置上例如通过局部挤压支撑元件44的网结构将该支撑元件这样挤压到U形轮廓内腔68中，使得其在摩擦挤压(过盈)的情况下贴靠在U腿62、64上并且被保持以防滑落。替换地或附加地，可以特别是在这些挤压区域上通过焊接部70产生材料接合。特别是之前提及的挤压区域适合于此，因为在这些区域内支撑元件44的网结构被压实并且因而为焊接过程创造出用于电流的更好的条件。优选地，在所述两个主体扇段46、48中的每个主体扇段中创造出至少两个这样的连接区域。
人们在图3中清楚地看到，两个U腿62、64从连接区域66出发具有不同的延伸长度。这两个U腿62、64中的位于径向内侧的U腿短于位于径向外侧的U腿。如这可在图4中看出，由此确保了催化器单元26的近似在支撑元件44的径向中间区域内结束的外侧的边缘区域可以沿轴向支撑在支撑元件44上，但位于径向内侧的U腿62在此离催化器单元26仍具有轴向距离，从而不妨碍支撑交互作用。
在图2中示出支撑环36的一种替代的实施方式。在这里，支撑元件主体40构造成具有三个主体扇段72、74、76和分别在其间形成的间隙78、80、82。在这里，主体扇段72、74、76在结构上保持在一起也通过支撑装置42的在U形轮廓内腔68中优选在整个圆周上延伸的支撑元件44提供。每个主体扇段72、74、76具有一个在大约120°的角度范围上的周向延伸尺寸，从而这些主体扇段仍可以以较高的制造精度在金属板坯成型时没有翘曲危险地制备。如同在之前描述的实施方式中那样，优选所有主体扇段彼此结构相同，从而不同的为制造这种支撑环要准备的构件的数量少。
利用支撑环的按照本发明的实施方式可以在简单的、但仍然可精确制造的构造中提供如下的手段，该手段可以将排气处理装置、例如催化器装置可靠地固定在内燃机的排气引导系统的管状的排气引导元件中并且特别是也可以在位于径向外侧的边缘区域内提供防止腐蚀的保护作用。此外通过由于按照本发明的构造而设定的也沿周向方向并且因而沿径向方向的柔性，保证支撑元件本身被可靠地固定在管状的排气引导元件中，而为此不需要附加的固定措施。

Claims (13)

1.用于排气引导系统的支撑环，包括带有多个主体扇段(46、48，72、74、76)的支撑元件主体(40)和将这些主体扇段(46、48，72、74、76)相互连接的支撑装置(42)，其中，所述支撑装置(42)利用金属丝材料构造而成，至少一个主体扇段(46、48，72、74、76)构成为具有U形轮廓，并且所述支撑装置(42)至少部分地容纳在U形轮廓内腔(68)中，构成为具有U形轮廓的所述至少一个主体扇段(46、48，72、74、76)与所述支撑装置(42)通过摩擦锁合固定连接，摩擦锁合通过局部挤压支撑装置(42)以形成多个挤压区域并且由此将支撑装置(42)挤压到U形轮廓内腔(68)中并使支撑装置(42)在摩擦挤压的情况下贴靠在构成为具有U形轮廓的所述至少一个主体扇段(46、48，72、74、76)的U腿(62、64)上而提供，在所述多个挤压区域上通过焊接部产生在支撑装置(42)与构成为具有U形轮廓的所述至少一个主体扇段(46、48，72、74、76)之间的材料接合。
2.根据权利要求1所述的支撑环，其特征在于，至少两个主体扇段(46、48，72、74、76)在彼此相对的主体扇段端部区域(50、52、54、56)内彼此邻接，并且所述支撑装置(42)将主体扇段(46、48，72、74、76)相互连接。
3.根据权利要求2所述的支撑环，其特征在于，在所述主体扇段端部区域之间形成间隙(58、60，78、80、82)。
4.根据权利要求1至3之一所述的支撑环，其特征在于，所有主体扇段(46、48，72、74、76)构成为具有U形轮廓。
5.根据权利要求4所述的支撑环，其特征在于，所述U形轮廓具有一个位于径向内侧的第一U腿(62)、一个位于径向外侧的第二U腿(64)和一个将第一U腿(62)和第二U腿(64)相连接的连接区域(66)，并且其中一个U腿短于另一个U腿。
6.根据权利要求5所述的支撑环，其特征在于，所述第一U腿(62)短于所述第二U腿(64)。
7.根据权利要求6所述的支撑环，其特征在于，所述支撑装置(42)沿离开连接区域(66)的方向延伸至少超过第一U腿(62)。
8.根据权利要求1至3之一所述的支撑环，其特征在于，所述支撑装置(42)是柔性的，或/和所述支撑装置(42)构成为环状的，或/和至少一个主体扇段(46、48，72、74、76)构成为板材成型件。
9.根据权利要求8所述的支撑环，其特征在于，所述支撑装置(42)利用金属丝网、金属丝针织物、金属丝编织物或金属纺织物构造而成。
10.根据权利要求1至3之一所述的支撑环，其特征在于，每个主体扇段(46、48，72、74、76)与所述支撑装置(42)通过摩擦锁合固定连接。
11.根据权利要求8所述的支撑环，其特征在于，所述支撑装置(42)构成为闭合环状的，和/或每个主体扇段(46、48，72、74、76)构成为板材成型件。
12.用于排气引导系统的排气引导结构组件，包括管状的排气引导元件(12)、设置在排气引导元件(12)中的排气处理装置(24)，以及在排气处理装置(24)的至少一个端部区域(30、32)上包括根据权利要求1至11之一所述的支撑环(36、38)。
13.根据权利要求12所述的排气引导结构组件，其特征在于，所述排气引导系统是用于车辆内燃机的排气引导系统，和/或排气处理装置(24)是催化器装置。
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