EP1045961B1 - Conical honeycomb body and method for producing same - Google Patents

Conical honeycomb body and method for producing same Download PDF

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Publication number
EP1045961B1
EP1045961B1 EP99920692A EP99920692A EP1045961B1 EP 1045961 B1 EP1045961 B1 EP 1045961B1 EP 99920692 A EP99920692 A EP 99920692A EP 99920692 A EP99920692 A EP 99920692A EP 1045961 B1 EP1045961 B1 EP 1045961B1
Authority
EP
European Patent Office
Prior art keywords
casing tube
honeycomb body
conical
end opening
distance
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.)
Expired - Lifetime
Application number
EP99920692A
Other languages
German (de)
French (fr)
Other versions
EP1045961B9 (en
EP1045961A1 (en
Inventor
Jürgen PETERS
Wolfgang Maus
Ludwig Wieres
Michael Voit
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vitesco Technologies Lohmar Verwaltungs GmbH
Original Assignee
Emitec Gesellschaft fuer Emissionstechnologie mbH
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Publication of EP1045961A1 publication Critical patent/EP1045961A1/en
Publication of EP1045961B1 publication Critical patent/EP1045961B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D17/00—Forming single grooves in sheet metal or tubular or hollow articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/02—Making hollow objects characterised by the structure of the objects
    • B21D51/10—Making hollow objects characterised by the structure of the objects conically or cylindrically shaped objects
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49345—Catalytic device making
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/1234—Honeycomb, or with grain orientation or elongated elements in defined angular relationship in respective components [e.g., parallel, inter- secting, etc.]
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12382—Defined configuration of both thickness and nonthickness surface or angle therebetween [e.g., rounded corners, etc.]

Definitions

  • the invention relates to a method for producing a conical honeycomb body according to the preamble of claim 1 and a conical honeycomb body according to the Preamble of claim 11.
  • honeycomb bodies are in particular as Catalyst carrier body in exhaust systems of motor vehicles with Internal combustion engine used.
  • the film package body has a large number of stacked, partially structured sheet metal foils. Each sheet is like one Annular segment shaped so that it is from a with respect to a center approximately circular outer arc and one concentric to this, between this and the center lying approximately circular inner arc limited is. Every structured sheet metal foil has waves. The corrugation of a metal foil has the entire sheet does not have a constant corrugation height.
  • the corrugation height must start out of a smaller corrugation height on the smaller sheet delimiting the sheet metal foil, to a larger corrugation height on the larger sheet-metal sheet enlarge.
  • the ratio of the well heights must be approximately the ratio of Corrugations of the arc correspond, so that when the metal foils are intertwined an conical honeycomb body is created.
  • the partially structured sheet metal sheets according to their Layering and / or winding to a conical film package body, which for a fluid can flow through, in a conical jacket tube with a first and a second front opening, the first front opening having a larger one Soldering process.
  • the frequency of using the clamping tools is also through the temperatures in the soldering furnace are limited.
  • the holding structure can preferably be the casing tube completely encircling lip, such a lip can, for example, by Flanging the casing tube are formed, but it can also be a welded, separate component.
  • Another way for that The holding structure is a materially connected to the conical jacket tube, in particular a welded bow projecting beyond the end face is such a bow centered on the end face so that it touches its center. On such a bracket has a disadvantageous effect, especially on the Flow characteristics of the exhaust gas to be cleaned.
  • the invention has for its object a conical honeycomb body and a Specify process for its production, with a simple as possible Fixation of a conical foil package body in a conical jacket tube achieved better manufacturability and / or durability of the conical honeycomb body shall be.
  • Clamping aids are arranged and designed so that they at least in sections Have ring shapes. will manufacture the conical honeycomb body simplified, while at the same time later welding into an exhaust system is made easier since the ends are free of additional internals. In addition, the durability of the finished body is improved.
  • the casing tube is spaced apart from the first Forehead opening on the inside of a mechanically fixable ring or at least mechanically fixable segments of a ring, whereby the conical Honeycomb body is particularly inexpensive to manufacture.
  • the jacket tube is spaced apart from the first end opening Constriction, which, like the solutions with a ring, causes a kind Air gap insulation arises, which leads to the fact that the temperature of the casing pipe does not increase too much during load operation in a motor vehicle.
  • the jacket tube can also have an outer bead spaced from the first end opening have a prestressed ring in a reversible mechanical or irreversible manner can be arranged technically, which, like the other solutions, means that Forehead openings of the casing tube remain free and look good and easy with others Have components of an exhaust system welded.
  • the jacket tube can also be spaced apart from the first end opening by an inner bead have, wherein after inserting the film package body in the jacket tube Axial force is exerted on the jacket tube, the inner bead deforming so that the film package body is fixed in the jacket tube.
  • Another solution provides that the jacket tube spaced from the Front openings an external shoulder in the axial width of the film package body what this solution is in addition to better weldability, in particular by good mechanical durability in the finished state of the conical honeycomb body.
  • the casing tube and the film package body can be a tongue and groove system have, the jacket tube spaced from the end openings in the region of Axial width of the film package body has at least one outer bead, and the at least partially structured sheet-metal foils can be produced, that at least one side of the film package body at least one the film package body is formed in sections circumferential locking lug.
  • a conical one can be created Fix the foil package body easily and effectively in a conical jacket tube and while increasing its mechanical durability in the finished state manufactured inexpensively.
  • FIG. 1 shows a first exemplary embodiment of the invention.
  • the conical Honeycomb body 1 has a conical film package body 2 and a conical one Jacket tube 3 on The jacket tube 3 has a first 4 and a second 5 front opening. the first end opening 4 having a larger diameter than the second Has front opening 5.
  • the film package body 2 can be inserted into the casing tube 3 and fixable. The fixation takes place by means of a spaced apart from the first forehead opening and on the inside 6 of the casing tube 3 mechanically fixable ring 7. Alternatively, mechanically fixable segments of a ring can also be provided his.
  • a film package body 2 has after its layering and / or winding and a certain pre-tension when pressed into a jacket pipe. Because of his Preload jumps the film package body 2 after insertion into the conical Jacket tube 3 behind the ring 7 and is thereby fixed in the jacket tube 3.
  • the conical honeycomb body 1 shown in FIG. 2 differs from that in FIG Figure 1 shown in that the jacket tube 3 spaced from the first Front opening 4 has a constriction 8.
  • the conical foil package body 2 is after its introduction over the constriction 8 through this in the conical jacket tube 3 fixed.
  • a bead 11 is introduced to the outside. After the conical film package body 2 has been introduced, it is inserted into the bead 11 Prestressed ring 10 clamped, the film package body 2 in the casing tube 3rd fixed. During the soldering process, the ring 10 is also soldered to the casing tube 3.
  • conical honeycomb body 1 shown in Figure 4 is in the conical Jacket tube 3 introduced a bead 11 to the inside 6.
  • the one because of its Layering and / or winding conical having a prestress Foil package body 2 is introduced past the inner bead 11, whereby it conditionally jumps up by the pretension and thus through the inner bead 11 in the casing tube 3 is fixed.
  • the inner bead 11 according to FIGS. 5 to 7 differs from that according to FIG. 4 in that, as shown in Figure 6, it is initially only relatively flat is trained.
  • the conical foil package body 2 is over the bead in the conical jacket tube 3 introduced. After insertion, a force becomes axial exerted conical casing tube 3, the inner bead 11, as in Figure 7 shown, deformed so that the film package body 2 fixed in the jacket tube 3 becomes.
  • FIG. 9 shows a fixation by means of a further exemplary embodiment of the invention a tongue and groove system 13, 14.
  • the jacket tube 3 is spaced from the End openings 4, 5 in the area of the axial width of the film package body 2 at least an outer bead 14.
  • the corresponding conical film package body 2 is at least partially structured as shown in FIG sheet-shaped sheet-metal foils 15 are produced in such a way that the side of the foil package body 2 at least one circumferential at least in sections surrounding the film package body 2 Latch 13 is formed.
  • conical honeycomb body 1 with increased mechanical durability can be produced inexpensively.
  • the variants can Function of the edge area of the conical honeycomb body is also specifically influenced become.
  • beads 9, 11, constrictions 8, 12 and / or rings 7, 10 creates, for example, an aperture effect, so that for a fluid flowable channels in the edge region of the casing tube 3 not or weak be flowed through.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Catalysts (AREA)

Description

Die Erfindung betrifft ein Verfahren zur Herstellung eines konischen Wabenkörpers nach dem Oberbegriff des Anspruchs 1 und einen konischen Wabenkörper nach dem Oberbegriff des Anspruchs 11. Solche Wabenkörper werden insbesondere als Katalysator-Trägerkörper in Abgassystemen von Kraftfahrzeugen mit Verbrennungsmotor eingesetzt.The invention relates to a method for producing a conical honeycomb body according to the preamble of claim 1 and a conical honeycomb body according to the Preamble of claim 11. Such honeycomb bodies are in particular as Catalyst carrier body in exhaust systems of motor vehicles with Internal combustion engine used.

Ein solcher konischer Wabenkörper, mit einer Achse und einem bezüglich dieser konischen Mantelrohr, in das ein nach Art einer Evolvente um die Achse geschlungenes Folienpaket eingepaßt ist, ist beispielsweise aus der EP 0 635 097 B1 bekannt. Der Folienpaketkörper weist eine Vielzahl aufeinandergeschichteter, teilweise strukturierter Blechfolien auf. Jede Blechfolie ist nach Art eines Kreisringsegmentes geformt, so daß sie von einem bezüglich eines Mittelpunktes etwa kreisförmigen äußeren Bogen und einem zu diesem konzentrisch, zwischen diesem und dem Mittelpunkt liegenden etwa kreisförmigen inneren Bogen begrenzt ist. Jede strukturierte Blechfolie hat Wellen. Die Wellung einer Blechfolie weist über das gesamte Blech keine konstante Wellhöhe auf. Die Wellhöhe muß sich ausgehend von einer kleineren Wellhöhe an dem kleineren, die Blechfolie begrenzenden Bogen, zu einer größeren Wellhöhe an dem größeren, die Blechfolie begrenzenden Bogen vergrößern. Hierbei muß das Verhältnis der Wellhöhen etwa dem Verhältnis der Wellen der Bogen entsprechen, damit bei Verschlingung der Blechfolien ein etwa konischer Wabenkorper entsteht.Such a conical honeycomb body, with one axis and one with respect to this conical casing tube, in which an involute-like around the axis looped foil package is, for example, from EP 0 635 097 B1 known. The film package body has a large number of stacked, partially structured sheet metal foils. Each sheet is like one Annular segment shaped so that it is from a with respect to a center approximately circular outer arc and one concentric to this, between this and the center lying approximately circular inner arc limited is. Every structured sheet metal foil has waves. The corrugation of a metal foil has the entire sheet does not have a constant corrugation height. The corrugation height must start out of a smaller corrugation height on the smaller sheet delimiting the sheet metal foil, to a larger corrugation height on the larger sheet-metal sheet enlarge. Here, the ratio of the well heights must be approximately the ratio of Corrugations of the arc correspond, so that when the metal foils are intertwined an conical honeycomb body is created.

Dazu werden die teilweise strukturierten bogenformigen Blechfolien, nach ihrer Schichtung und/oder Wicklung zu einem konischen Folienpaketkörper, welcher für ein Fluid durchströmbare Kanäle aufweist, in ein konisches Mantelrohr mit einer ersten und einer zweiten Stirnöffnung, wobei die erste Stirnöffnung einen großeren Lötprozeß. Die Häufigkeit der Verwendung der Klemmwerkzeuge ist zudem durch die Temperaturen im Lötofen begrenzt.For this purpose, the partially structured sheet metal sheets, according to their Layering and / or winding to a conical film package body, which for a fluid can flow through, in a conical jacket tube with a first and a second front opening, the first front opening having a larger one Soldering process. The frequency of using the clamping tools is also through the temperatures in the soldering furnace are limited.

Schließlich sind aus oben zitierten EP 0 635 097 B1 zur Fixierung eines konischen Folienpaketkörpers Haltestrukturen bekannt, welche an dem konischen Mantelrohr angebracht sind. Die Haltestruktur kann vorzugsweise eine das Mantelrohr vollständig umlaufende Lippe sein, eine solche Lippe kann beispielsweise durch Umbördeln des Mantelrohrs gebildet werden, sie kann aber auch ein angeschweißtes, separates Bauteil sein. Eine andere Möglichkeit für die Haltestruktur ist ein mit dem konischen Mantelrohr stoffschlüssig verbundener, insbesondere verschweißter, die Endfläche überragender Bugel Ein solcher Bügel ist auf der Endfläche zentriert angeordnet, so daß er ihren Mittelpunkt berührt. Ein solchermaßen angeordneter Bügel wirkt sich indes nachteilig, insbesondere auf die Strömungscharakteristik des zu reinigenden Abgases, aus.Finally, EP 0 635 097 B1 cited above for fixing a conical Foil package body holding structures known, which on the conical jacket tube are attached. The holding structure can preferably be the casing tube completely encircling lip, such a lip can, for example, by Flanging the casing tube are formed, but it can also be a welded, separate component. Another way for that The holding structure is a materially connected to the conical jacket tube, in particular a welded bow projecting beyond the end face is such a bow centered on the end face so that it touches its center. On such a bracket has a disadvantageous effect, especially on the Flow characteristics of the exhaust gas to be cleaned.

Der Erfindung liegt die Aufgabe zugrunde, einen konischen Wabenkörper sowie ein Verfahren zu seiner Herstellung anzugeben, wobei mit einer möglichst einfachen Fixierung eines konischen Folienpaketkörpers in einem konischen Mantelrohr eine bessere Herstellbarkeit und/oder Haltbarkeit des konischen Wabenkörpers erzielt werden soll.The invention has for its object a conical honeycomb body and a Specify process for its production, with a simple as possible Fixation of a conical foil package body in a conical jacket tube achieved better manufacturability and / or durability of the conical honeycomb body shall be.

Diese Aufgabe wird erfindungsgemäß durch ein Verfahren mit den Merkmalen im Anspruch 1 sowie durch einen konischen Wabenkörper mit den Merkmalen nach Anspruch 11 gelöst.This object is achieved by a method with the features in Claim 1 and by a conical honeycomb body with the features according to Claim 11 solved.

Dadurch, daß im konischen Mantelrohr beabstandet zu seinen Stirnöffnungen Klemmhilfen angeordnet und so ausgelegt sind, daß sie wenigstens abschnittsweise Ringformen aufweisen. wird die Herstellung des konischen Wabenkörpers vereinfacht, wobei gleichzeitig das spätere Einschweißen in ein Abgassystem erleichtert wird, da die Enden frei von zusätzlichen Einbauten sind. Zusätzlich wird die Haltbarkeit des fertigen Korpers verbessert. Characterized in that in the conical jacket tube spaced from its end openings Clamping aids are arranged and designed so that they at least in sections Have ring shapes. will manufacture the conical honeycomb body simplified, while at the same time later welding into an exhaust system is made easier since the ends are free of additional internals. In addition, the durability of the finished body is improved.

Dazu weist das Mantelrohr in einer ersten Ausführungsform beabstandet zur ersten Stirnöffnung auf seiner Innenseite einen mechanisch fixierbaren Ring oder zumindest mechanisch fixierbare Segmente eines Rings auf, wodurch der konische Wabenkörper insbesondere auch preiswert herstellbar ist.For this purpose, in a first embodiment, the casing tube is spaced apart from the first Forehead opening on the inside of a mechanically fixable ring or at least mechanically fixable segments of a ring, whereby the conical Honeycomb body is particularly inexpensive to manufacture.

Alternativ weist das Mantelrohr beabstandet zur ersten Stirnöffnung eine Einschnürung auf, wodurch, wie auch bei den Lösungen mit einem Ring, eine Art Luftspaltisolierung entsteht, welche dazu führt, daß die Temperatur des Mantelrohres beim Lastbetrieb in einem Kraftfahrzeug nicht zu sehr ansteigt.Alternatively, the jacket tube is spaced apart from the first end opening Constriction, which, like the solutions with a ring, causes a kind Air gap insulation arises, which leads to the fact that the temperature of the casing pipe does not increase too much during load operation in a motor vehicle.

Das Mantelrohr kann auch beabstandet zur ersten Stirnöffnung eine Außensicke aufweisen in der ein vorgespannter Ring reversibel mechanisch oder irreversibel fügetechnisch anordbar ist, wodurch, wie auch bei den anderen Lösungen, die Stirnöffnungen des Mantelrohres frei bleiben und sich gut und leicht mit anderen Komponenten eines Abgassystems verschweißen lassen.The jacket tube can also have an outer bead spaced from the first end opening have a prestressed ring in a reversible mechanical or irreversible manner can be arranged technically, which, like the other solutions, means that Forehead openings of the casing tube remain free and look good and easy with others Have components of an exhaust system welded.

Das Mantelrohr kann auch beabstandet zur ersten Stirnöffnung eine Innensicke aufweisen, wobei nach Einbringung des Folienpaketkörpers in das Mantelrohr eine Axialkraft auf das Mantelrohr ausgeübt wird, wobei sich die Innensicke so verformt, daß der Folienpaketkörper im Mantelrohr fixiert wird. Durch eine zunächst nur relativ flach ausgebildete Innensicke lassen sich auch Folienpaketkörper mit einer insbesondere hohen Vorspannung leicht in das Mantelrohr einbringen und gleichwohl gut fixieren.The jacket tube can also be spaced apart from the first end opening by an inner bead have, wherein after inserting the film package body in the jacket tube Axial force is exerted on the jacket tube, the inner bead deforming so that the film package body is fixed in the jacket tube. By one at first Relatively flat inner beads can also be used with a film package body in particular, easily introduce high prestress into the casing tube and nevertheless fix well.

Eine weitere Lösung sieht vor, daß das Mantelrohr beabstandet zu den Stirnöffnungen einen Außenabsatz in der Axialbreite des Folienpaketkörpers aufweist, womit sich diese Lösung neben einer besseren Einschweißbarkeit, insbesondere durch eine gute mechanische Haltbarkeit im fertigen Zustand des konischen Wabenkorpers auszeichnet. Another solution provides that the jacket tube spaced from the Front openings an external shoulder in the axial width of the film package body what this solution is in addition to better weldability, in particular by good mechanical durability in the finished state of the conical honeycomb body.

Schließlich kann das Mantelrohr und der Folienpaketkörper ein Feder-Nut-System aufweisen, wobei das Mantelrohr beabstandet zu den Stirnöffnungen im Bereich der Axialbreite des Folienpaketkörpers wenigstens eine Außensicke aufweist, und die zumindest teilweise strukturierten bogenförmigen Blechfolien so herstellbar sind, daß seitlich am Folienpaketkörper wenigstens eine den Folienpaketkörper zumindest abschnittsweise umlaufende Rastnase ausgebildet ist. Durch die Fixierung mittels eines Feder-Nut-Systemes ist in vorteilhafter Weise insbesondere ein Durchströmen des Abgases durch den gesamten Querschnitt des konischen Wabenkörpers sowie eine vollständige Weiterleitung des Abgases in einen gegebenenfalls vor- oder nachgeordneten zylindrischen Wabenkörper gewährleistbar.Finally, the casing tube and the film package body can be a tongue and groove system have, the jacket tube spaced from the end openings in the region of Axial width of the film package body has at least one outer bead, and the at least partially structured sheet-metal foils can be produced, that at least one side of the film package body at least one the film package body is formed in sections circumferential locking lug. By fixing with of a tongue-and-groove system is in particular advantageously flowing through of the exhaust gas through the entire cross section of the conical honeycomb body and a complete forwarding of the exhaust gas into a possibly pre-or downstream cylindrical honeycomb body can be guaranteed.

Mit diesen erfindungsgemäß bevorzugten Lösungen läßt sich also ein konischer Folienpaketkorper in einem konischen Mantelrohr einfach und wirkungsvoll fixieren und unter Erhöhung seiner mechanischen Haltbarkeit im fertigen Zustand kostengünstig herstellten.With these preferred solutions according to the invention, a conical one can be created Fix the foil package body easily and effectively in a conical jacket tube and while increasing its mechanical durability in the finished state manufactured inexpensively.

Zusätzliche Einzelheiten und weitere Vorteile werden nachfolgend anhand einiger bevorzugter Ausfuhrungsbeispiele in Verbindung mit den beigefügten Zeichnungen beschrieben. Darin zeigen:

Figur 1
ein erstes Ausführungsbeispiel der Erfindung;
Figur 2
ein zweites Ausführungsbeispiel der Erfindung;
Figur 3
ein drittes Ausführungsbeispiel der Erfindung;
Figur 4
ein viertes Ausführungsbeispiel der Erfindung;
Figuren 5 bis 7
ein fünftes Ausführungsbeispiel der Erfindung;
Figur 8
ein sechstes Ausführungsbeispiel der Erfindung; und
Figuren 9 und 10
ein siebtes Ausführungsbeispiel der Erfindung.
Additional details and further advantages are described below on the basis of some preferred exemplary embodiments in conjunction with the attached drawings. In it show:
Figure 1
a first embodiment of the invention;
Figure 2
a second embodiment of the invention;
Figure 3
a third embodiment of the invention;
Figure 4
a fourth embodiment of the invention;
Figures 5 to 7
a fifth embodiment of the invention;
Figure 8
a sixth embodiment of the invention; and
Figures 9 and 10
a seventh embodiment of the invention.

Figur 1 zeigt ein erstes Ausführunesbeispiel der Erfindung. Der konische Wabenkörper 1 weist einen konischen Folienpaketkörper 2 und ein konisches Mantelrohr 3 auf Das Mantelrohr 3 hat eine erste 4 und eine zweite 5 Stirnöffnung. wobei die erste Stirnöffnung 4 einen größeren Durchmesser als die zweite Stirnöffnung 5 aufweist. Der Folienpaketkörper 2 ist in das Mantelrohr 3 einbringbar und fixierbar. Die Fixierung erfolgt mittels eines beabstandet zur ersten Stirnöffnung und auf der Innenseite 6 des Mantelrohrs 3 mechanisch fixierbaren Ringes 7. Alternativ können auch mechanisch fixierbare Segmente eines Ringes vorgesehen sein. Ein Folienpaketkörper 2 weist nach seiner Schichtung und/oder Wicklung und beim Einpressen in ein Mantelrohr eine gewisse Vorspannung auf. Aufgrund seiner Vorspannung springt der Folienpaketkörper 2 nach dem Einbringen in das konische Mantelrohr 3 hinter den Ring 7 und wird dadurch im Mantelrohr 3 fixiert.Figure 1 shows a first exemplary embodiment of the invention. The conical Honeycomb body 1 has a conical film package body 2 and a conical one Jacket tube 3 on The jacket tube 3 has a first 4 and a second 5 front opening. the first end opening 4 having a larger diameter than the second Has front opening 5. The film package body 2 can be inserted into the casing tube 3 and fixable. The fixation takes place by means of a spaced apart from the first forehead opening and on the inside 6 of the casing tube 3 mechanically fixable ring 7. Alternatively, mechanically fixable segments of a ring can also be provided his. A film package body 2 has after its layering and / or winding and a certain pre-tension when pressed into a jacket pipe. Because of his Preload jumps the film package body 2 after insertion into the conical Jacket tube 3 behind the ring 7 and is thereby fixed in the jacket tube 3.

Der in Figur 2 dargestellte konische Wabenkörper 1 unterscheidet sich von dem in Figur 1 dargestellten dahingehend, daß das Mantelrohr 3 beabstandet zur ersten Stirnöffnung 4 eine Einschnürung 8 aufweist. Der konische Folienpaketkörper 2 wird nach seiner Einbringung über die Einschnürung 8 hinweg durch diese in dem konischen Mantelrohr 3 fixiert.The conical honeycomb body 1 shown in FIG. 2 differs from that in FIG Figure 1 shown in that the jacket tube 3 spaced from the first Front opening 4 has a constriction 8. The conical foil package body 2 is after its introduction over the constriction 8 through this in the conical jacket tube 3 fixed.

Bei dem in Figur 3 dargestellten konischen Wabenkörper 1 ist in das Mantelrohr 3 beabstandet zur ersten Stirnöffnung 4 eine Sicke 11 zur Außenseite eingebracht. Nach Einbringung des konischen Folienpaketkörpers 2 wird in die Sicke 11 ein vorgespannter Ring 10 geklemmt, der den Folienpaketkörper 2 im Mantelrohr 3 fixiert. Während des Lötprozesses wird der Ring 10 am Mantelrohr 3 mitverlötet.In the conical honeycomb body 1 shown in FIG spaced from the first end opening 4, a bead 11 is introduced to the outside. After the conical film package body 2 has been introduced, it is inserted into the bead 11 Prestressed ring 10 clamped, the film package body 2 in the casing tube 3rd fixed. During the soldering process, the ring 10 is also soldered to the casing tube 3.

Bei dem in Figur 4 dargestellten konischen Wabenkörper 1 wird in das konische Mantelrohr 3 eine Sicke 11 zur Innenseite 6 eingebracht. Der aufgrund seiner Schichtung und/oder Wicklung eine Vorspannung aufweisende konische Folienpaketkörper 2 wird an der Innensicke 11 vorbei eingebracht, wobei er bedingt durch die Vorspannung aufspringt und so durch die Innensicke 11 im Mantelrohr 3 fixiert wird.In the conical honeycomb body 1 shown in Figure 4 is in the conical Jacket tube 3 introduced a bead 11 to the inside 6. The one because of its Layering and / or winding conical having a prestress Foil package body 2 is introduced past the inner bead 11, whereby it conditionally jumps up by the pretension and thus through the inner bead 11 in the casing tube 3 is fixed.

Die Innensicke 11 nach Figuren 5 bis 7 unterscheidet sich von der nach Figur 4 dahingehend, daß sie zunachst, wie in Figur 6 ersichtlich, nur relativ flach ausgebildet ist. Der konische Folienpaketkorper 2 wird über die Sicke in das konische Mantelrohr 3 eingebracht. Nach Einbringung wird eine Kraft axial zum konischen Mantelrohr 3 ausgeübt, wobei die Innensicke 11, wie in Figur 7 dargestellt, sich so verformt, daß der Folienpaketkörper 2 im Mantelrohr 3 fixiert wird.The inner bead 11 according to FIGS. 5 to 7 differs from that according to FIG. 4 in that, as shown in Figure 6, it is initially only relatively flat is trained. The conical foil package body 2 is over the bead in the conical jacket tube 3 introduced. After insertion, a force becomes axial exerted conical casing tube 3, the inner bead 11, as in Figure 7 shown, deformed so that the film package body 2 fixed in the jacket tube 3 becomes.

Die Fixierung eines konischen Folienpaketkorpers 2 in einem konischen Mantelrohr 3 erfolgt bei dem in Figur 8 dargestellten konischen Wabenkörper 1 dadurch, daß das konische Mantelrohr 3 beabstandet zu den Stirnöffnungen 4, 5 einen Außenabsatz 12 in der Axialbreite des Folienpaketkorpers 2 aufweist Nach Beendigung der Einbringung des Folienpaketkorpers 2 wird dieses durch den Außenabsatz 12 im Mantelrohr 3 fixiert.The fixation of a conical foil package body 2 in a conical jacket tube 3 takes place in the conical honeycomb body 1 shown in Figure 8 in that the conical jacket tube 3 spaced from the front openings 4, 5 an outer shoulder 12 has in the axial width of the film package body 2 after completion of Introduction of the film package body 2 through the outer paragraph 12 in Jacket tube 3 fixed.

Figur 9 zeigt als weiteres Ausführungsbeispiel der Erfindung eine Fixierung mittels eines Feder-Nut-Systems 13, 14. Dazu weist das Mantelrohr 3 beabstandet zu den Stirnöffnungen 4, 5 im Bereich der Axialbreite des Folienpaketkörpers 2 wenigstens eine Außensicke 14 auf. Der dazu korrespondierende konische Folienpaketkörper 2 ist aus wie in Figur 10 dargestellten zumindest teilweise strukturierten bogenformigen Blechfolien 15 so hergestellt, daß seitlich am Folienpaketkörper 2 wenigstens eine den Folienpaketkörper 2 zumindest abschnittsweise umlaufende Rastnase 13 ausgebildet ist. Bei Einbringung eines solchen Folienpaketkörpers 2 gleiten die Rastnasen 13 in die Außensicke 14, so daß eine Fixierung mittels eines Feder-Nut-Systems erfolgt.FIG. 9 shows a fixation by means of a further exemplary embodiment of the invention a tongue and groove system 13, 14. For this purpose, the jacket tube 3 is spaced from the End openings 4, 5 in the area of the axial width of the film package body 2 at least an outer bead 14. The corresponding conical film package body 2 is at least partially structured as shown in FIG sheet-shaped sheet-metal foils 15 are produced in such a way that the side of the foil package body 2 at least one circumferential at least in sections surrounding the film package body 2 Latch 13 is formed. When such a film package body 2 is introduced slide the locking lugs 13 into the outer bead 14, so that a fixation by means of a Tongue and groove system takes place.

Die erfindungsgemäß bevorzugten Lösungen zeichnen sich in vorteilhafter Weise dadurch aus, daß konische Wabenkörper 1 mit einer erhöhten mechanischen Haltbarkeit kostengünstig hergestellt werden können. Durch die Varianten kann die Funktion des Randbereiches des konischen Wabenkörpers zudem gezielt beeinflußt werden. Insbesondere durch Sicken 9, 11, Einschnürungen 8, 12 und/oder Ringe 7, 10 entsteht beispielsweise ein Blendeneffekt, so daß die für ein Fluid durchströmbaren Kanale im Randbereich des Mantelrohrs 3 nicht oder schwach durchströmt werden. Dadurch entsteht eine Art Luftspaltisolierung, die dazu führt, daß die Temperatur des Mantelrohrs 3 beim Lastbetrieb in einem Kraftfahrzeug nicht zu sehr ansteigt. The solutions preferred according to the invention are distinguished in an advantageous manner characterized in that conical honeycomb body 1 with increased mechanical durability can be produced inexpensively. The variants can Function of the edge area of the conical honeycomb body is also specifically influenced become. In particular by beads 9, 11, constrictions 8, 12 and / or rings 7, 10 creates, for example, an aperture effect, so that for a fluid flowable channels in the edge region of the casing tube 3 not or weak be flowed through. This creates a kind of air gap insulation, which leads to that the temperature of the casing tube 3 is not during load operation in a motor vehicle increases too much.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
konischer Wabenkörperconical honeycomb body
22
konischer Folienpaketkörperconical foil package body
33
konisches Mantelrohrconical casing tube
44
erste Stirnöffnung des Mantelrohrs 3first end opening of the casing tube 3
55
zweite Stirnöffnung des Mantelrohrs 3second front opening of the casing tube 3
66
Innenseite des Mantelrohrs 3Inside of the casing tube 3
77
fixierbarer Ringfixable ring
88th
Einschnürungconstriction
99
Außensickeouter bead
1010
vorgespannter Ringpreloaded ring
1111
Innensickeinside bead
1212
Außenabsatzexternal sales
1313
Rastnaselocking lug
1414
Außensickeouter bead

Claims (19)

  1. A method for producing a conical honeycomb body (1), in particular a catalyst carrier body for motor vehicles, consisting of at least partially structured arcuate sheet-metal foils (15), which, after being layered and/or wound to form a conical foil package assembly (2) which has channels for a fluid to flow therethrough, is introduced into a conical casing tube (3) having a first (4) and a second end opening (5), wherein the first end opening (4) has a greater diameter than the second end opening (5), is fixed by mechanical clamping aids (7; 8; 9; 10; 11; 12; 13; 14), and then connected at least partially to one another and to the casing tube (3) by a joining technique, characterised in that the clamping aids (7; 8; 9; 10; 11; 12; 13; 14) are arranged in the casing tube (3) at a distance from the end openings (4, 5) and are so designed that they are of annular shape at least in sections.
  2. A method for producing a conical honeycomb body (1) according to Claim 1, characterised in that the casing tube (3), at a distance from the first end opening (4) and on its inner side (6), has a mechanically fixable ring (7) or at least mechanically fixable segments of a ring.
  3. A method for producing a conical honeycomb body (1) according to Claim 1, characterised in that the casing tube (3), at a distance from the first end opening (4), has a constriction (8).
  4. A method for producing a conical honeycomb body (1) according to Claim 1, characterised in that the casing tube (3), at a distance from the first end opening (4), has an outer bead (9) in which a prestressed ring (10) can be arranged in a reversibly mechanical manner or by an irreversible joining technique.
  5. A method for producing a conical honeycomb body (1) according to Claim 1, characterised in that the casing tube (3), at a distance from the first end opening (4), has an inner bead (11).
  6. A method for producing a conical honeycomb body (1) according to Claim 5, characterised in that after the foil package assembly (2) has been introduced into the casing tube (3), an axial force is exerted upon the casing tube (3), the inner bead (11) being deformed in such a way that the foil package assembly (2) becomes fixed in the casing tube (3).
  7. A method for producing a conical honeycomb body (1) according to Claim 1, characterised in that the casing tube (3), at a distance from the end openings (4, 5), has an outer shoulder (12) in the axial width of the foil package assembly (2).
  8. A method for producing a conical honeycomb body (1) according to Claim 1, characterised in that the casing tube (3) and the foil package assembly (2) have a tongue-and-groove system (13, 14).
  9. A method for producing a conical honeycomb body (1) according to Claim 8, characterised in that the casing tube (3), at a distance from the end openings (4, 5) in the region of the axial width of the foil package assembly (2), has at least one outer bead (14).
  10. A method for producing a conical honeycomb body (1) according to Claim 8 or Claim 9, characterised in that the at least partially structured arcuate sheet-metal foils (15) are produced in such a way that at the side of the foil package assembly (2) there is at least one detent (13) running at least around sections of the foil package assembly (2).
  11. A conical honeycomb body (1), in particular a catalyst carrier body for motor vehicles, consisting of at least partially structured arcuate sheet-metal foils (15), which, following layering and/or winding to form a conical foil package assembly (2) which has channels for a fluid to flow therethrough, can be introduced into a conical casing tube (3) with a first (4) and a second (5) end opening, wherein the first end opening (4) is of greater diameter than the second end opening (5), can be fixed by mechanical clamping aids (7; 8; 9; 10; 11; 12; 13; 14) and then at least partially connected to each other and to the casing tube (3) by a joining technique, characterised in that the clamping aids (7; 8; 9; 10; 11; 12; 13; 14) are arranged in the casing tube (3) at a distance from the end opening (4, 5) and are so designed that they are of annular shape at least in sections.
  12. A conical honeycomb body (1) according to Claim 11, characterised in that the casing tube (3), at a distance from the first end opening (4), and on its inner side (6), has a mechanically fixable ring (7) or at least mechanically fixable segments of a ring.
  13. A conical honeycomb body (1) according to Claim 11, characterised in that the casing tube (3), at a distance from the first end opening (4), has a constriction (8).
  14. A conical honeycomb body (1) according to Claim 11, characterised in that the casing tube (3), at a distance from the first end opening (4), has an outer bead (9) in which a prestressed ring (10) can be arranged in reversibly mechanical manner or in an irreversible joining manner.
  15. A conical honeycomb body (1) according to Claim 11, characterised in that the casing tube (3), at a distance from the first end opening (4), has an inner bead (11).
  16. A conical honeycomb body (1) according to Claim 11, characterised in that the casing tube (3), at a distance from the end openings (4, 5), has an outer shoulder (12) in the axial width of the foil assembly (2).
  17. A conical honeycomb body (1) according to Claim 11, characterised in that the casing tube (3) and foil package assembly (2) have a tongue-and-groove system (13, 14).
  18. A conical honeycomb body (1) according to Claim 17, characterised in that the casing tube (3), at a distance from the end openings (4, 5), in the region of the axial width of the foil package assembly (2), has at least one outer bead (14).
  19. A conical honeycomb body (1) according to Claim 17 or Claim 18, characterised in that the at least partially structured arcuate sheet-metal foils (15) can be produced in such a way that to the side of the foil package assembly (2) there is at least one detent (13) running around at least sections of the foil package assembly (2).
EP99920692A 1998-04-29 1999-04-16 Conical honeycomb body and method for producing same Expired - Lifetime EP1045961B9 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19819202 1998-04-29
DE19819202A DE19819202A1 (en) 1998-04-29 1998-04-29 Conical honeycomb body and process for its manufacture
PCT/EP1999/002586 WO1999056010A1 (en) 1998-04-29 1999-04-16 Conical honeycomb body and method for producing same

Publications (3)

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EP1045961A1 EP1045961A1 (en) 2000-10-25
EP1045961B1 true EP1045961B1 (en) 2002-07-03
EP1045961B9 EP1045961B9 (en) 2002-12-11

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EP (1) EP1045961B9 (en)
DE (2) DE19819202A1 (en)
ES (1) ES2183549T3 (en)
WO (1) WO1999056010A1 (en)

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DE10131466B4 (en) * 2001-06-29 2006-09-21 Thyssenkrupp Steel Ag Sheath-shaped central part of a catalyst housing
DE10162161A1 (en) 2001-12-17 2003-07-03 Emitec Emissionstechnologie Device and method for sound attenuation in the exhaust system of an internal combustion engine
US7297324B2 (en) * 2002-03-11 2007-11-20 Battelle Memorial Institute Microchannel reactors with temperature control
US8206666B2 (en) * 2002-05-21 2012-06-26 Battelle Memorial Institute Reactors having varying cross-section, methods of making same, and methods of conducting reactions with varying local contact time
ES2312795T3 (en) 2002-08-02 2009-03-01 Emitec Gesellschaft Fur Emissionstechnologie Mbh METAL LAYER WITH ZONES OF DIFFERENT MATERIAL THICKNESS, PROCEDURE FOR MANUFACTURING THIS METAL LAYER AND BEE NEST BODY MANUFACTURED AT LEAST IN PART WITH SUCH METAL LAYERS.
DE10235767C1 (en) * 2002-08-02 2003-12-04 Emitec Emissionstechnologie Honeycomb structure, for IC motor exhaust system, has corrugated sheets with zones of different sheet thickness, with overlapping transit to give constant corrugation peaks and valleys without weakness
US6989134B2 (en) * 2002-11-27 2006-01-24 Velocys Inc. Microchannel apparatus, methods of making microchannel apparatus, and processes of conducting unit operations
JP2004353549A (en) * 2003-05-29 2004-12-16 Sango Co Ltd Method for producing fluid treatment device having honeycomb structure built therein
JP4531576B2 (en) * 2005-01-27 2010-08-25 中川産業株式会社 Vehicle exhaust pipe
CA2584955C (en) * 2006-05-15 2014-12-02 Sulzer Chemtech Ag A static mixer

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FR2182614B1 (en) * 1972-03-17 1978-05-05 Louyot Comptoir Lyon Alemand
US4598063A (en) * 1985-08-09 1986-07-01 Retallick William B Spiral catalyst support and method of making it
DE3719773A1 (en) * 1987-06-13 1988-12-22 Sueddeutsche Kuehler Behr Support body for a catalytic reactor
DE3733402A1 (en) * 1987-10-02 1989-04-13 Emitec Emissionstechnologie CATALYST ARRANGEMENT WITH FLOW GUIDE
EP0635097B1 (en) * 1992-04-03 1995-09-13 Emitec Gesellschaft für Emissionstechnologie mbH Conical honeycombed body
DE4445557A1 (en) * 1994-12-20 1996-06-27 Emitec Emissionstechnologie Double-walled housing, especially for exhaust gas catalysts of motor vehicles
DE29611143U1 (en) * 1996-06-25 1996-09-12 Emitec Gesellschaft für Emissionstechnologie mbH, 53797 Lohmar Conical honeycomb body with longitudinal structures
DE19825230A1 (en) * 1998-06-05 1999-12-09 Emitec Emissionstechnologie Honeycomb structure
DE19938854C5 (en) * 1999-08-17 2006-12-28 Emitec Gesellschaft Für Emissionstechnologie Mbh Device for reducing the nitrogen oxide content in an exhaust gas of an internal combustion engine

Also Published As

Publication number Publication date
DE59901919D1 (en) 2002-08-08
WO1999056010A1 (en) 1999-11-04
DE19819202A1 (en) 1999-11-04
ES2183549T3 (en) 2003-03-16
US6613446B1 (en) 2003-09-02
EP1045961B9 (en) 2002-12-11
EP1045961A1 (en) 2000-10-25

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