EP0218062B1 - Matrice porteuse, en particulier pour un réacteur catalytique d'épuration des gaz d'échappement des moteurs à combustion interne - Google Patents

Matrice porteuse, en particulier pour un réacteur catalytique d'épuration des gaz d'échappement des moteurs à combustion interne Download PDF

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Publication number
EP0218062B1
EP0218062B1 EP86111500A EP86111500A EP0218062B1 EP 0218062 B1 EP0218062 B1 EP 0218062B1 EP 86111500 A EP86111500 A EP 86111500A EP 86111500 A EP86111500 A EP 86111500A EP 0218062 B1 EP0218062 B1 EP 0218062B1
Authority
EP
European Patent Office
Prior art keywords
supporting matrix
winding
casing
conveyer belt
guiding devices
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
Application number
EP86111500A
Other languages
German (de)
English (en)
Other versions
EP0218062A1 (fr
Inventor
Bohumil Humpolik
Josef Dipl.-Ing. Mielke (Fh)
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
Behr GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Behr GmbH and Co KG filed Critical Behr GmbH and Co KG
Publication of EP0218062A1 publication Critical patent/EP0218062A1/fr
Application granted granted Critical
Publication of EP0218062B1 publication Critical patent/EP0218062B1/fr
Expired legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—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
    • F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F01N3/2807—Metal other than sintered metal
    • F01N3/281—Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates
    • F01N3/2814—Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates all sheets, plates or foils being corrugated
    • 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
    • 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
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/02—Metallic plates or honeycombs, e.g. superposed or rolled-up corrugated or otherwise deformed sheet metal
    • F01N2330/04—Methods of manufacturing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/02—Fitting monolithic blocks into the housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/10—Tubes having non-circular cross section
    • 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
    • Y10T428/12333—Helical or with helical component
    • 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.]

Definitions

  • the invention relates to a method for producing a carrier matrix for a catalytic reactor for exhaust gas purification in internal combustion engines, with at least one metallic carrier strip which is profiled essentially in its transverse direction and from which the carrier matrix is wound, which is enveloped by a jacket.
  • Such a method is known from DE-A 2 302 746.
  • smooth tapes are unrolled from two supply rolls, one of which is profiled by means of a corrugating machine.
  • the corrugated and smooth strips are then fed via deflection rollers to a winding machine, which winds the two strips onto a winding core. This creates a carrier matrix in which the smooth and the wavy tape spiral around the winding core.
  • Such production methods can also only be used if the flow resistance of the finished catalyst body caused by the remaining winding core is negligible.
  • the present invention is therefore based on the object of providing a method and a device for producing a carrier matrix with which an arbitrarily definable cross-section can be achieved without great difficulty and thus the possibility can be created of the carrier body thus wound to existing spaces in the exhaust pipe optimally adapt a motor vehicle.
  • the characterizing features of claim 1 are provided in a method according to the preamble of claim 1.
  • This procedure ensures that the carrier matrix can already have trapezoidal or triangular cross-sections in a very simple manner, with the deflecting means keeping the layers which are later adjacent to one another at a distance, which only disappears when they are deformed into the final shape.
  • the carrier matrix is composed of several wound carrier matrix parts, it becomes possible to provide the cross section of the carrier matrix, in particular with concave curvatures, which could not previously be achieved in such a simple manner.
  • the new method causes the carrier tape to be lifted from the respective underlying winding layer by the deflecting means and is deflected around the deflecting means by the application of the carrier tape.
  • the dimensions of the deflection means leave deflection points on the wound carrier matrix which are adapted to their cross-sectional shape.
  • the deflecting means are removed from the carrier matrix and the carrier matrix is introduced into the jacket with deformation, which has the final shape of the carrier matrix.
  • the carrier matrix is deformed into the shape of the jacket either before or during insertion into the jacket. This measure ensures that the exhaust gases flowing through the carrier matrix during operation are not hindered by the deflecting means, that is to say the functionality of the carrier matrix is not restricted, but at the same time the desired cross section of the carrier matrix generated by means of the deflecting means is retained.
  • the distance between the deflection means, over which the carrier tape is wound one after the other with continuous winding corresponds to the length of the carrier tape between the deflections after the carrier matrix has been introduced into the jacket with deformation.
  • the spatial position of the deflecting means is no longer bound to the desired cross section of the carrier matrix, but rather the deflecting means can only be introduced as a function of their distance between the winding layers of the carrier tape.
  • the deflection means on lines, in particular in a star shape. This makes it possible to wind the carrier matrix at a high and uniform winding speed without the need for complicated winding drives.
  • An advantageous embodiment consists in that the carrier tape is provided with the weak points assigned to the deflections before the winding. This measure has the effect that the deflection points are formed even better and more precisely by the kinks or perforations present in the carrier tape.
  • a carrier matrix according to the invention is provided with two rotatably connected disks provided with a rotary drive, at least one of which is provided with receptacles for the deflecting means at a distance from the axis of rotation.
  • a rotary drive at least one of which is provided with receptacles for the deflecting means at a distance from the axis of rotation.
  • two coaxial pins which run parallel to the axis of the disks and are arranged opposite one another in the disks. This measure enables further automation and acceleration of the winding process. It is particularly advantageous if the outer surfaces of the pins form deflection edges. This causes a more precise definition of the deflection points when winding the carrier tape.
  • An advantageous further development comprises a device for deforming the carrier matrix and for adapting its shape to the shape of the jacket. With the aid of this device, after the pins serving as deflection means have been removed, the carrier matrix is either first deformed and then inserted into the jacket, or at the same time deformed into the final shape of the carrier matrix when inserted into the jacket.
  • FIG. 1 a desired cross-sectional shape of a carrier matrix is shown with the aid of a hatched area 12, which is predetermined, for example, by the carrier matrix being fastened in the region of the cardan tunnel of a motor vehicle and intended to fill the entire available space there.
  • a carrier matrix with the cross section shown in FIG. 1 is explained below with reference to FIG. 2.
  • a carrier matrix 15 consists of a high-temperature-resistant, metallic carrier tape 16 which is wound around a winding core 17 and around deflection means 18.
  • An axis of rotation 19 forms the center of the winding.
  • Reference number 22 denotes a single winding layer of the carrier matrix, which always consists of a full wrapping of the carrier tape 16 around the winding core 17.
  • the carrier tape 16 consists of a smooth and a corrugated metal tape, the width of which corresponds to the desired axial length of the carrier matrix 15. However, it is also possible for the carrier tape 16 to be in the form of a trapezoidal profiled tape.
  • the winding core 17 is of elongated shape, while the deflection means 18 are circular cylindrical bodies.
  • the deflecting means 18 are arranged on both sides of the winding core 17 in a respective plane 21, which each form an obtuse angle with the plane of the winding core 17. It is also possible for the deflecting means 18 to be offset, in particular arranged in a zigzag shape to the plane 21.
  • the carrier tape 16 is fastened to the right end of the winding core 17 and lies on the upper side thereof. At the left end of the winding core 17, the carrier tape 16 is guided over a deflection means 18, in order to then arrive at a deflection means 18 located at the right end of the winding core 17, parallel to the underside of the winding core 17. A winding layer 22 of the carrier matrix 15 is thus implemented. Thereafter, the carrier tape 16 either lies on the previous winding layer 22 or is wound around a further deflecting means 18.
  • the individual deflecting means 18 are introduced one after the other, always after the winding layer running under the deflecting means to be introduced is wound up, ie only shortly before the carrier tape 16 is to be wound over the respective deflecting means 18.
  • the finished wound carrier matrix of FIG. 2 is in a jacket 10, the cross section of which corresponds to the cross section 12 shown in FIG. 1.
  • the carrier matrix 15 of FIG. 2 has been introduced into this jacket 10 after the winding core 17 and the deflection means 18 have been removed from the carrier matrix 15.
  • deflection points 20 have formed, which are located on both sides of the winding core 17 in the plane 21.
  • the deflection points have a more or less large acute angle.
  • the two planes 21 containing the deflection points 20 form an obtuse angle with the two parallel side surfaces of the carrier matrix and intersect at an intersection point 23.
  • the jacket 10 is advantageously made of steel and has the desired cross-section, as shown in FIG. 1, even before the carrier matrix 15 of FIG. 2 is introduced.
  • the production of the jacket 10 is known and will not be explained in more detail. However, the insertion of the carrier matrix 15 into the jacket 10 will be described.
  • the deflection means 18 are arranged such that almost the desired cross section of the carrier matrix 15 is obtained by the winding alone. To produce a different cross section, it is therefore only necessary to arrange the deflecting means 18 differently and to wrap it with the carrier tape 16. In principle, however, it is not necessary to produce a winding body that largely has its final shape when winding the carrier tape 16. If necessary, it may be advantageous not to use a winding core 17, but rather to start winding the carrier matrix 15 immediately with the aid of deflection means 18. In these cases, the beginning of the carrier tape 16 can be fastened to a deflection means 18 or to the winding axis 19. It is also possible to use differently shaped winding cores 17 and / or deflection means 18.
  • any cross-section of a carrier matrix 15 when using an elastically deformable carrier tape 16, it is not the spatial position of the deflecting means 18 that is decisive, but rather the circumferential length of each individual winding layer 22 of the carrier matrix 15 each individual winding position can be calculated or measured.
  • the successive deflection points 18 can basically be arranged spatially as long as the resulting winding layers have the corresponding circumferential lengths. Due to the elastic deformability of the carrier tape 16, after the winding body 15 has been wound, the core 17 and the surrounding means 18 have been removed, it is possible to press the carrier matrix 15 into the desired shape when it is inserted into the jacket 10 without plastic deformation of the carrier matrix 15 occur.
  • the deflecting means 18 is particularly advantageous to design the deflecting means 18 as star-shaped as possible, e.g. to be arranged in the form of a right-angled cross extending from the winding axis. This makes it possible to wind the carrier matrix 15 at a high and uniform winding speed without the need for complicated winding drives.
  • FIG. 4a A desired cross section of a further carrier matrix is shown in FIG. 4a with the aid of a hatched area 32.
  • a carrier matrix is produced from a total of three winding bodies from the carrier tape 16, two of which have the triangular cross section of the winding body 35 shown in FIG. 4b and one has the annular cross section of the winding body 36 shown in FIG. 4c.
  • the winding bodies shown in FIGS. 4b and 4c are produced analogously to FIGS. 1 to 3, with no winding core in the winding body of FIG. 4b, but deflection means 39 arranged in a star shape and a core 38 and linear in the winding body of FIG. 4c arranged deflection means 39 are used.
  • FIG. 5 shows a carrier matrix 15 which is located in a jacket 30, the cross section of which corresponds to the cross section shown in FIG. 4a.
  • the carrier matrix 15 consists of the two winding bodies 35 and the winding body 36 of FIGS. 4b and 4c. After the winding core 38 and the deflection means 39 have been removed, the two winding bodies 35 are inserted into the interior of the winding body 36. A force 37 is then applied to the top of the winding body 36. As a result, the upper part of the annular winding body 36 is arched inwards, so that the entire carrier matrix 15 can thereby be inserted into the preformed jacket 30.
  • Any cross-section of carrier matrices can be produced by combining several winding bodies into a carrier matrix.
  • FIG. 6 shows a winding device 50 for producing a carrier matrix.
  • two winding disks 52 are connected to one another in a rotationally fixed manner by means of an axis 51.
  • each winding disk 52 there are identical bores 53 which are arranged in radially directed planes.
  • the entire winding arrangement 50 is rotated about the axis of rotation 19 manually or with the aid of corresponding drive machines.
  • the beginning of it is fastened to the axis 51 and the winding device 50 is then set in a rotational movement. If a deflection means is to be introduced between the winding layers during the winding process, this deflection means is introduced through the corresponding bore 53 into the area between the two winding disks 52 and the carrier tape is wound over it. This is shown again in FIG. 7.
  • FIG. 7 shows a partial section of the winding device 50 of FIG. 6, namely the area of the connection of the axis 51 to a winding disk 52.
  • This connection is shown by way of example by means of a screw 58, pins 73 being able to be present for the torsional strength.
  • the carrier tape 16 consists of a corrugated and a smooth tape, which are identified in FIG. 7 by the reference numbers 57 and 56. The distance between the two belts 56 and 57 arises from the profiling of the corrugated belt 57.
  • a deflection pin 55 is shown, which extends into the area between the two winding wheels 52, the winding area 66 and on which therefore the smooth belt 56 of the carrier tape 16 rests.
  • the pin 55 is guided by the bore 53 and has an edge 67 in the winding area 66 through which the carrier tape 16 ge is kinked, that is, the angular shape shown in FIG. 3 receives the deflection 20.
  • Each pin 55 runs parallel to the axis of rotation 19 of the winding arrangement 50 and is inserted through two holes 53 belonging to the two winding disks 52 to form a deflection 20. It is particularly advantageous to use two pins to form a deflection point 20 which are inserted into two mutually opposing bores 53 of the two winding disks 52 and thus run coaxially and which extend only slightly into the winding area 66.
  • FIG. 8 also shows a partial section of a winding arrangement 50 according to FIG. 6, in which, however, the individual deflecting means are automatically moved into the winding area.
  • the springs 62 are located in recesses 63 between the winding wheel 52 and the pins 59.
  • a slider 60 which is connected to the winding wheel 52 by means of a holder 61, is attached to the outside of the winding wheel 52 so that it passes over the pins 59 can be pushed away.
  • pins 59 are particularly advantageous to provide the pins 59 with a triangular cross section, the tip of the triangle pointing away from the axis 51 and thus forming an edge for the carrier tape 16. It is also advantageous to connect the slide 60 to the device driving the entire winding arrangement 50, so that the individual pins 59 are automatically inserted into the winding area 66 at the right time.
  • the carrier tape can also be used in a particularly advantageous manner before the winding up at the corresponding deflection points Kink or perforation or the like can be provided.
  • the carrier matrix is wound and any existing winding cores and deflection pins have been removed, the carrier matrix is transferred into the jacket and thus into its final shape with the aid of the device shown in FIG. 9.
  • the cross section of the carrier matrix can be changed without the carrier matrix, in particular the profiling of the carrier tape, being plastically deformed. This is possible because, due to the deflection points of the carrier matrix, the circumferences of the individual winding layers of the carrier matrix are matched to the desired shape.
  • a funnel 70 opens into a holding device 72, in which the jacket 10 is inserted.
  • the outlet cross section of the funnel 70 and the holding device 72 corresponds to the cross section of the casing 10.
  • the carrier matrix 15 is moved forward in the direction 71, so that its cross section is automatically reshaped to the cross section of the casing 10 due to the conical surfaces of the funnel 70.
  • the carrier matrix 15 into the jacket 10 with the aid of other devices.
  • flat jaws which at least partially have the shape of the desired cross section of the carrier matrix, can hold the carrier matrix on its outer surface and, if necessary, deform it, in order then to insert it into the jacket with the aid of a stamp.
  • the jacket consists of several parts and forms the flat jaws. In this case, the individual parts of the jacket have to be welded together, for example, after the carrier matrix has been introduced.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
  • Laminated Bodies (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)

Claims (17)

1. Procédé de fabrication d'une matrice porteuse pour un réacteur catalytique d'épuration des gaz d'échappement de moteurs à combustion interne, comportant au moins une bande porteuse métallique profilée dans l'essentiel dans sa direction transversale et à partir de laquelle la matrice porteuse est formée par enroulement et est entourée par une enveloppe, caractérisé en ce que, pendant le processus d'enroulement, après chaque couche d'enroulement (22) de la bande porteuse (16) et respectivement au-dessus de la couche extérieure d'enroulement, des moyens de déviation (18) sont engagés entre des couches d'enroulement adjacentes, en étant situés dans un plan prédéterminé correspondant et en définissant les zones de déviation (20) de la bande porteuse (16), en ce que, après le processus d'enroulement, les moyens de déviation (18) sont enlevés de la matrice porteuse (15) et en ce que la matrice porteuse (15) est introduite, avec mise en forme, dans l'enveloppe (10), qui a la forme finale de la matrice porteuse (15).
2. Procédé selon la revendication 1, caractérisé en ce que la matrice porteuse (15) est amenée à la forme de l'enveloppe (10) avant l'introduction dans l'enveloppe (10).
3. Procédé selon la revendication 1, caractérisé en ce que la matrice porteuse (15) est amenée à la forme de l'enveloppe (109) lors de l'introduction dans l'enveloppe (10).
4. Procédé selon une des revendications 1 à 3, caractérisé en ce que l'espacement des moyens de déviation (18), sur lesquels la bande porteuse (16) est enroulée successivement lors de la progression de l'enroulement, correspond à la longueur de la bande porteuse (16) entre les zones de déviation (20), après que la matrice porteuse (15) a été introduite, avec mise en forme, dans l'enveloppe (10).
5. Procédé selon un des revendications 1 à 4, caractérisé en ce qu'une partie (36) de la matrice porteuse est enroulée en laissant une ou plusieurs cavités (38) dans lesquelles une ou plusieurs autres parties (35) de la matrice porteuse, réalisées spécialement, sont introduites avant l'engagement, associé à une mise en forme, dans l'enveloppe (10) pour la formation de la matrice porteuse (15).
6. Procédé selon une des revendications 1 à 5, caractérisé en ce que la bande porteuse (16) est pourvue, avant l'enroulement, de zones d'affaiblissement associées aux zones de déviation (20) et se présentant sous la forme de coudes ou de perforations.
7. Dispositif pour la mise en oeuvre du procédé selon une des revendications 1 à 6, caractérisé en ce qu'il est prévu deux disques (52), reliés entre eux par un axe de rotation (19), pourvus d'un entraînement en rotation et dont au moins un est pourvu, à distance de l'axe de rotation (19), de parties de réception des moyens de déviation (18) et en ce qu'il est prévu comme moyens de déviation (18) des broches (55, 59) pouvant sortir d'au moins un disque (52) pour pénétrer dans la zone d'enroulement (66).
8. Dispositif selon la revendication 7, caractérisé en ce que les parties de réception sont des trous (53) orientés parallèlement à l'axe de rotation (19).
9. Dispositif selon la revendication 8, caractérisé en ce que les trous (53) sont disposés en forme d'étoile sur des lignes.
10. Dispositif selon la revendication 7, caractérisé en ce qu'il est prévu pour les broches (59) un entraînement (60) produisant leur sortie et qui peut être commandé en correspondance à la progression de l'enroulement.
11. Dispositif selon une des revendications 7 ou 10, caractérisé en ce qu'il est prévu respectivement deux broches (59) placées dans des positions mutuellement opposées dans les disques (52) et orientées parallèlement à l'axe (51) des disques (52).
12. Dispositif selon une des revendications 7 à 11, caractérisé en ce que les surfaces extérieures des broches (55) forment des arêtes de déviation (67).
13. Dispositif selon une des revendications 7 à 12, caractérisé en ce que l'espacement des broches (55, 59) se succédant à mesure que l'enroulement progresse est établi, en correspondance à la longueur que possède la bande porteuse (16) après mise en forme et introduction dans l'enveloppe (10).
14. Dispositif selon une des revendications 7 à 13, caractérisé en ce qu'il est prévu un dispositif (70) pour la mise en forme de la matrice porteuse (15) et pour l'adaptation de sa forme à la forme de l'enveloppe (10).
15. Dispositif selon une des revendications 7 à 14, caractérisé en ce qu'il est prévu un dispositif pour pouvoir la bande porteuse (16) des zones d'affaiblissement, associées aux zones de déviation (20) et se présentant sous la forme de coudes ou de perforations.
16. Matrice porteuse qui est fabriquée par le procédé selon la revendication 1, caractérisée en ce que la bande porteuse (16) comporte, dans les zones de déviation (20), une courbure fonction des moyens de déviation (18).
17. Matrice porteuse qui est fabriquée par le procédé selon les revendications 1 et 6, caractérisée par des zones d'affaiblissement se présentant sous la forme de coudes ou de perforations dans les zones de déviation (20).
EP86111500A 1985-09-11 1986-08-19 Matrice porteuse, en particulier pour un réacteur catalytique d'épuration des gaz d'échappement des moteurs à combustion interne Expired EP0218062B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3532408 1985-09-11
DE19853532408 DE3532408A1 (de) 1985-09-11 1985-09-11 Traegermatrix, insbesondere fuer einen katalytischen reaktor zur abgasreinigung bei brennkraftmaschinen

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EP0218062A1 EP0218062A1 (fr) 1987-04-15
EP0218062B1 true EP0218062B1 (fr) 1989-05-24

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US (1) US4891257A (fr)
EP (1) EP0218062B1 (fr)
JP (1) JPH0753239B2 (fr)
DE (2) DE3532408A1 (fr)

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CN109154226B (zh) * 2016-06-09 2021-01-05 大陆汽车有限公司 用于生产蜂窝状结构的方法

Also Published As

Publication number Publication date
EP0218062A1 (fr) 1987-04-15
US4891257A (en) 1990-01-02
DE3663563D1 (en) 1989-06-29
JPH0753239B2 (ja) 1995-06-07
DE3532408A1 (de) 1987-03-19
JPS6261646A (ja) 1987-03-18

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