EP1038096B1 - Metal foil with openings - Google Patents
Metal foil with openings Download PDFInfo
- Publication number
- EP1038096B1 EP1038096B1 EP98965782A EP98965782A EP1038096B1 EP 1038096 B1 EP1038096 B1 EP 1038096B1 EP 98965782 A EP98965782 A EP 98965782A EP 98965782 A EP98965782 A EP 98965782A EP 1038096 B1 EP1038096 B1 EP 1038096B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- structures
- metal foil
- honeycomb body
- opening
- body according
- 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
Links
- 239000002184 metal Substances 0.000 title claims description 100
- 239000011888 foil Substances 0.000 title claims description 99
- 239000012530 fluid Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000009969 flowable effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Classifications
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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
-
- 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
- F01N3/2821—Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates the support being provided with means to enhance the mixing process inside the converter, e.g. sheets, plates or foils with protrusions or projections to create turbulence
-
- 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
- F01N2330/00—Structure of catalyst support or particle filter
- F01N2330/30—Honeycomb supports characterised by their structural details
- F01N2330/32—Honeycomb supports characterised by their structural details characterised by the shape, form or number of corrugations of plates, sheets or foils
- F01N2330/321—Honeycomb supports characterised by their structural details characterised by the shape, form or number of corrugations of plates, sheets or foils with two or more different kinds of corrugations in the same substrate
-
- 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
- F01N2330/30—Honeycomb supports characterised by their structural details
- F01N2330/38—Honeycomb supports characterised by their structural details flow channels with means to enhance flow mixing,(e.g. protrusions or projections)
-
- 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
- Y10T428/12361—All metal or with adjacent metals having aperture or cut
-
- 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
- Y10T428/1241—Nonplanar uniform thickness or nonlinear uniform diameter [e.g., L-shape]
Definitions
- the object of the invention relates to a flat structure as well on a honeycomb body.
- EP-0 454 712 B1 describes one Metal foil, the at least two of one Structures spaced apart from one another, at least partially overlapping having.
- the overlapping structures are in the form of grooves or grooves educated.
- the structures have different dimensions.
- the one Structures form so-called macro structures.
- Form the other structures so-called microstructures.
- the microstructures overlay the macrostructures.
- EP-0 454 712 B1 also discloses a honeycomb body, the one A plurality of channels through which a fluid can flow in a flow direction having.
- the honeycomb body is made of at least one metal foil educated. The channels are limited by the structures of the metal foil.
- WO 96/09892 Another embodiment of a metal foil, which in particular is suitable for the construction of a honeycomb body, is by WO 96/09892 known.
- the metal foil has partially superimposed structures on.
- This metal foil also has macro structures and micro structures provided in the the structures are introduced.
- the microstructures run at an angle the macrostructures. From WO 96/09892 it can also be seen that also cross the microstructures. In particular, the microstructures cross on the wave crests of the macrostructures.
- WO 96/09892 also describes a metallic honeycomb body with a A plurality of flowable for a fluid in a flow direction Channels made of metal foils, at least partially with at least one Channels forming macro structure are provided, which the honeycomb shape of the metallic honeycomb body determined, at least some of the sheets is provided with additional microstructures in some areas, and the Microstructures run at an angle to the direction of flow and at intervals successive, with the microstructures crossing.
- a metal foil is known from DE 38 44 350 C2, the structures having.
- the structures are in the form of one level of the metal foil bridges pressed out in the form of bridges.
- the webs are in longitudinal and parallel zones next to each other arranged.
- the webs are out of the plane of the metal foil protruding on both sides.
- the two above Crosspieces are produced in that an initially flat metallic Smooth strip is passed through a pair of embossing cutting rollers through which the Band partially slotted and the webs on either side of the plane of the Tape are pushed out. With such a metal foil takes place no superposition of the structures takes place.
- Another one The aim of the invention is to provide a honeycomb body that is simpler can be produced.
- the metal foil according to the invention is characterized in that at least one opening is provided which is formed in an area in which the structures overlap.
- the overlay areas are used in the manufacture of the structures particularly stresses the metal foil when the Structures are produced by a forming process. Furthermore can it in the field of overlapping structures for training Wrinkles, warps or the like come. This is through the Formation of at least one opening in the area of the overlapping Structures avoided.
- the formation of structures leads to a metal foil increased stiffness. By providing openings in the areas The overlapping structures are also achieved by the metal foil has a higher flexibility. This will improve Further processing of the metal foil achieved.
- the opening is preferably formed by at least one slot.
- an embodiment of the opening is preferred in which at least two slots are provided that meet at an angle, cross in particular. This ensures optimal material utilization reached.
- the opening is formed by at least one perforation.
- the introduction of the at least one opening into the metal foil is preferably done before the structures are formed. As a result, a Synchronization of the formation of the openings and the structures be achieved so that the openings always at a predetermined Location of the metal foil are generated.
- the inventive design of the metal foil also enables an overlay of structures that have a similar geometry, especially if these have relatively large structures within the metal foil form because of the breakthrough the possible problem area the forming process is removed.
- the metal foil has at least one opening in one area is formed in which the overlapping structures are common theoretical maximum height related to the reference area, the larger is as a maximum height of at least one structure in this area.
- the entire edge of the opening lies at a level related to the reference height, which is smaller than the theoretical maximum height.
- the distance of the edge of the opening preferably corresponds to Reference area of the height of the superimposed structure.
- the metal foil have structures that are essentially are wavy.
- the wavy structures can intersect at an angle, for example.
- the metal foil overall can assume a wavy design, this can be due to of the openings wound within the respective structural surfaces become.
- the wavy structures can also be at an angle abut. Again, through the formation of the breakthroughs Further processing of the metal foil in the overlapping area of the structures simplified.
- openings it is also possible to form structures that viewed in a longitudinal direction of the structure of different geometry and / or shape, the opening between two neighboring, different structures is formed.
- the structures can also be designed such that they have a longitudinal extension have, the structures at least two adjacent Have longitudinal sections that are substantially perpendicular to the reference surface are directed in opposite directions. This can make a simpler opposite Corrugation of the metal foil can be achieved.
- a metal foil proposed in which at least one structure is a primary structure and at least one structure forms a secondary structure, the primary structure has a larger amplitude than the secondary structure.
- the primary structure can be a macro structure.
- the secondary structure can be a so-called microstructure.
- An embodiment of the metal foil is preferred Superimpose secondary structures on the primary structures.
- a honeycomb body is included a plurality of flowable for a fluid in a flow direction Channels suggested.
- the honeycomb body is made of at least one metal foil educated. This has at least two spaced from a reference surface, intersecting, at least partially overlapping flat structures on the Limit channels.
- the honeycomb body is characterized in that in at least one area in which the structures overlap, at least an opening is provided.
- the opening is preferably formed by at least one slot:
- the openings are expediently covered by several formed at an angle, in particular intersecting slots.
- the Opening can also be in the form of at least one perforation his.
- the honeycomb body there is an opening provided in an area is formed in which the overlapping structures common theoretical maximum height based on the reference area have greater than a height of at least one structure therein Area, wherein the opening has an edge, the distance from the Reference area is smaller than the theoretical maximum height.
- the honeycomb body has the advantage that the layers of the metal foil are better lie against each other, since the structures formed by the superimposition of the structures Tips as are known for example from WO 96/09892, omitted.
- suitable connecting means e.g. Pins to connect, the connecting means themselves extend through the openings. This can also be the case with a Embodiment of the honeycomb body can be realized according to claim 12.
- the honeycomb body is preferably designed such that the structures in the are essentially undulating.
- At least one structure is a primary structure and at least a structure forms a secondary structure, the primary structure being a has a greater amplitude than the secondary structure.
- the structures are designed so that the secondary structures on the Overlay primary structures.
- the primary structure forms a macro structure, while the Secondary structure forms a microstructure.
- honeycomb body suggested that this by alternating layers of smooth and structured Metal foils is formed, the structured metal foils being a primary structure and optionally have a secondary structure.
- the honeycomb body is smooth and structured due to alternating layers Metal foils is formed, the smooth metal foils having a secondary structure.
- FIG. 1 shows schematically and in perspective a metal foil 1 with structures 3, 4.
- the structures 3, 4 are spaced apart from a reference surface 2 educated.
- the reference surface 2 is essentially parallel to the metal foil 1 trained in the unstructured state.
- the reference surface 2 is in the Fig. 1 shown in dashed lines.
- the structures 3, 4 have one essentially rectangular cross-section.
- Other cross sections are possible.
- the design of the cross section can be according to the requirements be formed on the metal foil 1.
- the metal foil 1 shows that the structures 3, 4 overlap in an area 5.
- the area 5 is shown in dashed lines.
- a not opening shown is formed in area 5.
- the breakthrough is preferably dimensioned such that it at least area 5 corresponds so that the edges 7 lying between the structures 3, 4 are removed, as a result of which the structures 3, 4 are disconnected from one another are.
- Fig. 2 shows a non-invention related form of a metal foil 1 with a substantially V-shaped cross section Structures 3, 4.
- the structures have a longitudinal extension. In the area 5 in which the structures 3, 4 would overlap an opening 6 is formed through the structures 3, 4 essentially have no common edge.
- FIGS 1 and 2 have a essentially the same cross section.
- Figures 4 and 5 are metal foils 8, 9, which have primary structures 10, 11.
- the structures 10, 11 form an essentially wavy metal foil 8 and 9, respectively.
- the structures 10, 11 bound together with a smooth metal foil 12 Channels 13 through which a fluid flows in the direction R through the channels 13.
- the metal foil 8 is also provided with a secondary structure 14.
- the secondary structure 14 is intersecting strip-shaped Embossments in the metal foil 8.
- the amplitude of the secondary structures 14 is smaller than the amplitude of the primary structures 10, 11.
- the secondary structures 14 cross on wave crests 15 of the primary structures 10, 11. In the area of the intersections of the secondary structures 14 openings 16 are formed.
- Fig. 5 shows a modification of the arrangement shown in Fig. 4 structured metal foil and a smooth metal foil 12.
- the metal foil 9 differs from the metal foil 8 shown in FIG. 4 in that that the secondary structures 14 are not only on the wave crests 15 but also in the trough 17 and on the flanks 18 of the primary structures cross.
- the intersecting secondary structures are at an angle to Flow direction R of a fluid F is formed.
- In the intersection areas or overlay areas of the secondary structures 14 are openings 16 formed so that the secondary structures 14 no common Have connecting edge.
- the metal foils can be part of a metallic honeycomb body form.
- the structured metal foil 21 has a primary structure 19 and one essentially transverse to Secondary structure 20 extending in the longitudinal direction of the primary structure 19. Part of the primary structure 19 and the secondary structure 20 is by a Punching that forms an opening 24 has been removed. dashed 6 is the profile of the secondary structure 20 before the punching process shown.
- the opening 24 is formed in an area 5, in which the overlapping structures 19, 20 a common theoretical Have height H based on a reference surface 2, which is larger as a height h of the structure 19 in the area 5.
- the opening 24 has an edge 25, the distance A from the reference surface 2 is smaller than the theoretical height H.
- the metal foil 22 lies in the area 5 of the opening 24 on the Wall of the primary structure 19 and the secondary structure 20, whereby between the smooth metal foil 22 and the structured metal foil 21 good contact exists, especially for the formation of a solder joint between the structured metal foil 21 and the smooth metal foil 22 suitable is.
- Metal foils 8, 9 is a good connection with one arranged on them smooth metal foil possible.
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Description
Der Gegenstand der Erfindung bezieht sich auf ein flächiges Gebilde sowie auf einen Wabenkörper.The object of the invention relates to a flat structure as well on a honeycomb body.
Die EP-0 454 712 B1 beschreibt eine Metallfolie, die zumindest zwei von einer Referenzfläche beabstandete, sich wenigstens teilweise überlagernde Strukturen auf weist. Die sich überlagernden Strukturen sind in Form von Rillen oder Nuten ausgebildet. Die Strukturen weisen verschiedene Dimensionen auf. Die einen Strukturen bilden sogenannte Makrostrukturen. Die weiteren Strukturen bilden sogenannte Mikrostrukturen. Die Mikrostrukturen überlagern die Makrostrukturen. Die EP-0 454 712 B1 offenbart auch einen Wabenkörper, der eine Vielzahl von für ein Fluid in einer Strömungsrichtung durchströmbare Kanäle aufweist. Der Wabenkörper ist aus wenigstens einer Metallfolie gebildet. Die Kanäle sind durch die Strukturen der Metallfolie begrenzt.EP-0 454 712 B1 describes one Metal foil, the at least two of one Structures spaced apart from one another, at least partially overlapping having. The overlapping structures are in the form of grooves or grooves educated. The structures have different dimensions. The one Structures form so-called macro structures. Form the other structures so-called microstructures. The microstructures overlay the macrostructures. EP-0 454 712 B1 also discloses a honeycomb body, the one A plurality of channels through which a fluid can flow in a flow direction having. The honeycomb body is made of at least one metal foil educated. The channels are limited by the structures of the metal foil.
Eine weitere Ausgestaltung einer Metallfolie, welche insbesondere zum Aufbau eines Wabenkörpers geeignet ist, ist durch die WO 96/09892 bekannt. Die Metallfolie weist sich teilweise überlagernde Strukturen auf. Auch bei dieser Metallfolie sind Makrostrukturen und Mikrostrukturen vorgesehen in die die Strukturen eingebracht sind. Die Mikrostrukturen verlaufen unter einem Winkel zu den Makrostrukturen. Aus der WO 96/09892 ist auch entnehmbar, daß sich auch die Mikrostrukturen kreuzen. Insbesondere kreuzen sich die Mikrostrukturen auf den Wellenbergen der Makrostrukturen. Another embodiment of a metal foil, which in particular is suitable for the construction of a honeycomb body, is by WO 96/09892 known. The metal foil has partially superimposed structures on. This metal foil also has macro structures and micro structures provided in the the structures are introduced. The microstructures run at an angle the macrostructures. From WO 96/09892 it can also be seen that also cross the microstructures. In particular, the microstructures cross on the wave crests of the macrostructures.
Insbesondere im Bereich der sich teilweise überlappenden Strukturen, die beispielsweise durch die Kreuzungspunkte der Mikrostrukturen gebildet sind, entstehen Problemzonen, die zu einer starken. Materialbeanspruchung der Metallfolie während eines Umformvorgangs führen.Especially in the area of the partially overlapping structures that are formed, for example, by the crossing points of the microstructures, problem areas arise that lead to a strong. Material stress of the Guide metal foil during a forming process.
Aufgrund eines Verformungsverhaltens der Metallfolie kann im Bereich der sich überlagernden Strukturen nicht sichergestellt werden, daß der Übergang zwischen den sich überlagernden Strukturen einwandfrei hergestellt wird. Dies wirkt sich insbesondere bei Strukturen aus, die relativ groß dimensioniert sind.Due to a deformation behavior of the metal foil in the area of overlapping structures cannot ensure that the transition between the superimposed structures. This particularly affects structures that are relatively large are.
Die WO 96/09892 beschreibt auch einen metallischen Wabenkörper mit einer Vielzahl von für ein Fluid in eine Strömungsrichtung durchströmbaren Kanälen aus Metallfolien, die zumindest teilweise mit mindestens einer die Kanäle bildenden Makrostruktur versehen sind, welche die Wabenform des metallischen Wabenkörpers bestimmt, wobei ein Teil der Bleche zumindest in Teilbereichen mit zusätzlichen Mikrostrukturen versehen ist, und die Mikrostrukturen im Winkel zur Strömungsrichtung verlaufen und in Abständen aufeinanderfolgen, wobei sich die Mikrostrukturen kreuzen.WO 96/09892 also describes a metallic honeycomb body with a A plurality of flowable for a fluid in a flow direction Channels made of metal foils, at least partially with at least one Channels forming macro structure are provided, which the honeycomb shape of the metallic honeycomb body determined, at least some of the sheets is provided with additional microstructures in some areas, and the Microstructures run at an angle to the direction of flow and at intervals successive, with the microstructures crossing.
Durch die DE 38 44 350 C2 ist eine Metallfolie bekannt, die Strukturen aufweist. Die Strukturen sind in Form von aus einer Ebene der Metallfolie brückenförmig herausgedrückten Stegen gebildet. Die Stege sind in längsgerichteten und parallel zueinander verlaufenden Zonen nebeneinander angeordnet. Die Stege sind aus der Ebene der Metallfolie heraus nach beiden Seiten hin vorstehend ausgebildet. Die nach beiden Seiten vorstehenden Stege werden dadurch hergestellt, daß ein zunächst ebenes metallisches Glattband durch ein Paar Präge-Schneidwalzen geführt wird, durch die das Band teilweise geschlitzt und die Stege zu beiden Seiten der Ebene des Bandes herausgedrückt werden. Bei einer solchen Metallfolie findet keine Überlagerung der Strukturen statt.A metal foil is known from DE 38 44 350 C2, the structures having. The structures are in the form of one level of the metal foil bridges pressed out in the form of bridges. The webs are in longitudinal and parallel zones next to each other arranged. The webs are out of the plane of the metal foil protruding on both sides. The two above Crosspieces are produced in that an initially flat metallic Smooth strip is passed through a pair of embossing cutting rollers through which the Band partially slotted and the webs on either side of the plane of the Tape are pushed out. With such a metal foil takes place no superposition of the structures takes place.
Ausgehend von der WO 96/09829 ist es Aufgabe der Erfindung, eine Metallfolie bereit zustellen, die eine verbesserte Verformbarkeit auch bei vorhandenen Strukturen aufweist und somit eine vereinfachte Weiterverarbeitung der Metallfolie gestattet.Starting from WO 96/09829, it is the task of Invention to provide a metal foil, the one improved formability even with existing structures and thus simplified further processing the metal foil allowed.
Ein weiteres Ziel der Erfindung ist es einen Wabenkörper anzugeben, der vereinfachter herstellbar ist.Another one The aim of the invention is to provide a honeycomb body that is simpler can be produced.
Diese Zielsetzung wird durch eine Metallfolie mit den Merkmalen des
Anspruchs 1 bzw. durch einen Wabenkörper mit den
Merkmalen des Anspruchs 12 erreicht. Vorteilhafte
Weiterbildungen und Ausgestaltungen der Metallfolie bzw. des Wabenkörpers
sind Gegenstand der jeweiligen Unteransprüche.This objective is achieved through a metal foil with the characteristics of
Die erfindungsgemäße Metallfolie, die zumindest zwei von einer Referenzfläche beabstandete, sich teilweise überlagernde, kreuzende durch einen Umformvorgang hergestellten Strukturen aufweist, zeichnet sich dadurch aus, daß wenigstens eine Durchbrechung vorgesehen ist, die in einem Bereich ausgebildet ist, in dem sich die Strukturen überlagern. In diesen den überlagerungs bereichen wird bei der Herstellung der Strukturen die Metallfolie besonders stark beansprucht, wenn die Strukturen durch einen Umformvorgang hergestellt werden. Desweiteren kann es in dem Bereich der sich überlagernden Strukturen zur Ausbildung von Falten, Verwerfungen oder desgleichen kommen. Dies wird durch die Ausbildung wenigstens einer Durchbrechung im Bereich der sich überlagernden Strukturen vermieden.The metal foil according to the invention, the at least two of one Has spaced, partially overlapping, crossing structures produced by a forming process, is characterized in that at least one opening is provided which is formed in an area in which the structures overlap. In these the overlay areas are used in the manufacture of the structures particularly stresses the metal foil when the Structures are produced by a forming process. Furthermore can it in the field of overlapping structures for training Wrinkles, warps or the like come. This is through the Formation of at least one opening in the area of the overlapping Structures avoided.
Die Ausbildung von Strukturen führt bei einer Metallfolie zu einer erhöhten Steifigkeit. Durch das Vorsehen von Durchbrechungen in den Bereichen der sich überlagernden Strukturen wird auch erreicht, daß die Metallfolie eine höhere Biegsamkeit hat. Hierdurch wird eine verbesserte Weiterverarbeitung der Metallfolie erreicht.The formation of structures leads to a metal foil increased stiffness. By providing openings in the areas The overlapping structures are also achieved by the metal foil has a higher flexibility. This will improve Further processing of the metal foil achieved.
Die Durchbrechung ist vorzugsweise durch wenigstens einen Schlitz gebildet. Bevorzugt ist hierbei eine Ausgestaltung der Durchbrechung, bei der wenigstens zwei Schlitze vorgesehen sind, die sich unter einem Winkel treffen, insbesondere kreuzen. Hierdurch wird eine optimale Materialausnutzung erreicht.The opening is preferably formed by at least one slot. In this case, an embodiment of the opening is preferred in which at least two slots are provided that meet at an angle, cross in particular. This ensures optimal material utilization reached.
Um zu vermeiden, daß im Bereich der Durchbrechung möglicherweise Abschnitte der Strukturen vorstehen, die als störend wirken, wird vorgeschlagen, daß die Durchbrechung durch wenigstens eine Lochung gebildet ist.To avoid being in the breakthrough area Projecting portions of the structures that are disruptive, it is suggested that the opening is formed by at least one perforation.
Das Einbringen der wenigstens einen Durchbrechung in die Metallfolie erfolgt vorzugsweise vor der Ausbildung der Strukturen. Hierdurch kann eine Synchronisation der Ausbildung der Durchbrechungen und der Strukturen erreicht werden, so daß die Durchbrechungen stets an einem vorgegebenen Ort der Metallfolie erzeugt werden.The introduction of the at least one opening into the metal foil is preferably done before the structures are formed. As a result, a Synchronization of the formation of the openings and the structures be achieved so that the openings always at a predetermined Location of the metal foil are generated.
Die erfindungsgemäße Ausgestaltung der Metallfolie ermöglicht auch eine Überlagerung von Strukturen, die eine ähnliche Geometrie aufweisen, insbesondere wenn diese relativ große Strukturen innerhalb der Metallfolie bilden, da durch die Durchbrechung die mögliche Problemzone vor dem Umformvorgang entfernt wird.The inventive design of the metal foil also enables an overlay of structures that have a similar geometry, especially if these have relatively large structures within the metal foil form because of the breakthrough the possible problem area the forming process is removed.
Nach einer weiteren vorteilhaften Ausgestaltung weist die Metallfolie wenigstens eine Durchbrechung auf, die in einem Bereich ausgebildet ist, in dem die sich überlagernden Strukturen eine gemeinsame theoretische Maximalhöhe bezogen auf die Referenzfläche haben, die größer ist als eine Maximalhöhe wenigstens einer Struktur in diesem Bereich. Der gesamte Rand der Durchbrechung liegt dabei auf einem Niveau bezogen auf die Referenzhöhe, welches kleiner ist als die theoretische Maximalhöhe. Vorzugsweise entspricht der Abstand des Randes der Durchbrechung zur Referenzfläche der Höhe der überlagerten Struktur. Durch diese Ausgestaltung der Metallfolie wird erreicht, daß im Bereich der sich überlagernden Strukturen die Höhe der sich überlagernden Strukturen kleiner ist als die theoretisch mögliche Maximalhöhe der sich überlagernden Strukturen, so daß keine Spitzen vorhanden sind.According to a further advantageous embodiment the metal foil has at least one opening in one area is formed in which the overlapping structures are common theoretical maximum height related to the reference area, the larger is as a maximum height of at least one structure in this area. The The entire edge of the opening lies at a level related to the reference height, which is smaller than the theoretical maximum height. The distance of the edge of the opening preferably corresponds to Reference area of the height of the superimposed structure. Through this configuration the metal foil is achieved in the area of the overlapping Structures the height of the overlapping structures is smaller than the theoretically possible maximum height of the overlapping structures, so that there are no peaks.
Nach einer weiteren vorteilhaften Ausgestaltung der Metallfolie wird vorgeschlagen, daß die Metallfolie Strukturen aufweist, die im wesentlichen wellenförmig ausgebildet sind. Die wellenförmigen Strukturen können sich beispielsweise unter einem Winkel kreuzen. Obwohl die Metallfolie insgesamt eine wellenförmige Gestaltung einnehmen kann, kann diese aufgrund der Durchbrechungen innerhalb der jeweiligen Strukturflächen gewickelt werden. Die wellenförmigen Strukturen können auch unter einen Winkel aneinanderstoßen. Auch hier wird durch die Ausbildung der Durchbrechungen im Überlagerungsbereich der Strukturen eine Weiterverarbeitung der Metallfolie vereinfacht.According to a further advantageous embodiment of the metal foil suggested that the metal foil have structures that are essentially are wavy. The wavy structures can intersect at an angle, for example. Although the metal foil overall can assume a wavy design, this can be due to of the openings wound within the respective structural surfaces become. The wavy structures can also be at an angle abut. Again, through the formation of the breakthroughs Further processing of the metal foil in the overlapping area of the structures simplified.
Durch die Ausbildung wenigstens einer Durchbrechung im Überlappungsbereich können Strukturen unterschiedlicher Querschnittsgeometrie ausgebildet werden. Bevorzugt ist hierbei die Ausgestaltung einer Struktur, die einen im wesentlichen V-förmigen Querschnitt aufweist.By forming at least one opening in the overlap area structures of different cross-sectional geometries can be formed become. Preferred is the configuration of a structure that has a substantial V-shaped cross section.
Durch die Durchbrechungen ist es auch möglich, Strukturen auszubilden, die in einer Längsrichtung der Struktur betrachtet unterschiedlicher Geometrie und/oder Gestalt sein können, wobei die Durchbrechung zwischen zwei benachbarten, unterschiedlichen Strukturen ausgebildet ist.Through the openings, it is also possible to form structures that viewed in a longitudinal direction of the structure of different geometry and / or shape, the opening between two neighboring, different structures is formed.
Die Strukturen können auch so ausgebildet sein, daß diese eine Längserstreckung aufweisen, wobei die Strukturen wenigstens zwei benachbarte Längsabschnitte aufweisen, die im wesentlichen senkrecht zur Referenzfläche entgegengesetzt gerichtet sind. Hierdurch kann eine einfachere gegensinnige Wellung der Metallfolie erreicht werden.The structures can also be designed such that they have a longitudinal extension have, the structures at least two adjacent Have longitudinal sections that are substantially perpendicular to the reference surface are directed in opposite directions. This can make a simpler opposite Corrugation of the metal foil can be achieved.
Nach einem weiteren vorteilhaften Gedanken wird eine Metallfolie vorgeschlagen, bei der wenigstens eine Struktur eine Primärstruktur und wenigstens eine Struktur eine Sekundärstruktur bildet, wobei die Primärstruktur eine gegenüber der Sekundärstruktur größere Amplitude aufweist. Die Primärstruktur kann eine Makrostruktur sein. Die Sekundärstruktur kann eine sogenannte Mikrostruktur sein.According to another advantageous idea, a metal foil proposed in which at least one structure is a primary structure and at least one structure forms a secondary structure, the primary structure has a larger amplitude than the secondary structure. The primary structure can be a macro structure. The secondary structure can be a so-called microstructure.
Bevorzugt ist eine Ausgestaltung der Metallfolie bei der sich Sekundärstrukturen auf den Primärstrukturen überlagern. Insbesondere wird vorgeschlagen, daß sich Sekundärstrukturen auf einem Wellenberg oder im Wellental der Primärstrukturen überlagern, insbesondere kreuzen.An embodiment of the metal foil is preferred Superimpose secondary structures on the primary structures. In particular suggested that secondary structures on a wave crest or in Overlay the trough of the primary structures, especially cross them.
Nach einem anderen erfinderischen Gedanken wird ein Wabenkörper mit einer Vielzahl von für ein Fluid in einer Strömungsrichtung durchströmbaren Kanälen vorgeschlagen. Der Wabenkörper ist durch wenigstens eine Metallfolie gebildet. Diese weist zumindest zwei von einer Referenzfläche beabstandete, sich wenigstens teilweise überlagernde, kreuzende flächige Strukturen auf, die die Kanäle begrenzen. Der Wabenkörper zeichnet sich dadurch aus, daß in wenigstens einem Bereich, in dem sich die Strukturen überlagern, wenigstens eine Durchbrechung vorgesehen ist. Durch die Ausbildung der Durchbrechung wird erreicht, daß der Wabenkörper leichter herstellbar ist, denn dort wo sich Strukturen wenigstens teilweise überlagern, wird durch die wenigstens eine Durchbrechung der Metallfolie eine gewisse Elastizität verliehen, die es ermöglicht, beispielsweise den Wabenkörper durch spiralförmiges Wickeln der Metallfolie auszubilden. Ein weiterer Vorzug der Ausgestaltung kann darin gesehen werden, daß die Metallfolie in den Bereichen, in denen sich die Strukturen überlagern, keiner erhöhten mechanischen Beanspruchung bei der Herstellung der Strukturen ausgesetzt ist.According to another inventive idea, a honeycomb body is included a plurality of flowable for a fluid in a flow direction Channels suggested. The honeycomb body is made of at least one metal foil educated. This has at least two spaced from a reference surface, intersecting, at least partially overlapping flat structures on the Limit channels. The honeycomb body is characterized in that in at least one area in which the structures overlap, at least an opening is provided. By forming the breakthrough is achieved that the honeycomb body is easier to manufacture than there where structures at least partially overlap, the at least an opening in the metal foil conferred a certain elasticity on the it enables, for example, the honeycomb body by spiral winding the metal foil. Another advantage of the design can be in it can be seen that the metal foil in the areas where the Structures overlay, no increased mechanical stress in the Manufacturing the structures is suspended.
Vorzugsweise ist die Durchbrechung durch wenigstens einen Schlitz gebildet: Zweckmäßigerweise werden die Durchbrechungen durch mehrere sich unter einem Winkel treffende, insbesondere sich kreuzende, Schlitze gebildet. Die Durchbrechung kann auch in Form wenigstens einer Lochung ausgebildet sein.The opening is preferably formed by at least one slot: The openings are expediently covered by several formed at an angle, in particular intersecting slots. The Opening can also be in the form of at least one perforation his.
Nach einer weiteren vorteilhatzen Ausgestaltung des Wabenkörpers
ist eine Durchbrechung vorgesehen, die in
einem Bereich ausgebildet ist, in dem die sich überlagernden Strukturen eine
gemeinsame theoretische Maximalhöhe bezogen auf die Referenzfläche
aufweisen, die größer ist als eine Höhe wenigstens einer Struktur in diesem
Bereich, wobei die Durchbrechung einen Rand aufweist, dessen Abstand zur
Referenzfläche kleiner ist als die theoretische Maximalhöhe. Diese Ausgestaltung
des Wabenkörpers hat den Vorteil, daß Lagen der Metallfolie besser
aneinander liegen, da die durch die Überlagerung der Strukturen gebildeten
Spitzen, wie sie beispielsweise durch die WO 96/09892 bekannt sind,
entfallen.
Weiterhin wird auch eine vereinfachte Verlötung der Metallfolien untereinander
und/oder mit einem Metallrohr erreicht. Durch die Durchbrechung
wird auch eine Möglichkeit eröffnet, die Metallfolien mittels geeigneter Verbindungsmittel,
z.B. Stifte, zu verbinden, wobei die Verbindungsmittel sich
durch die Durchbrechungen hindurch erstrecken. Dies kann auch bei einer
Ausgestaltung des Wabenkörpers nach Anspruch 12 verwirklicht werden.According to a further advantageous embodiment of the honeycomb body
there is an opening provided in
an area is formed in which the overlapping structures
common theoretical maximum height based on the reference area
have greater than a height of at least one structure therein
Area, wherein the opening has an edge, the distance from the
Reference area is smaller than the theoretical maximum height. This configuration
The honeycomb body has the advantage that the layers of the metal foil are better
lie against each other, since the structures formed by the superimposition of the structures
Tips as are known for example from WO 96/09892,
omitted.
Furthermore, there is also a simplified soldering of the metal foils to one another
and / or achieved with a metal tube. Through the breakthrough
it also opens up a possibility of using suitable connecting means
e.g. Pins to connect, the connecting means themselves
extend through the openings. This can also be the case with a
Embodiment of the honeycomb body can be realized according to
Vorzugsweise ist der Wabenkörper so ausgebildet, daß die Strukturen im wesentlichen wellenförmig ausgebildet sind. Insbesondere wird vorgeschlagen, daß bei einem Wabenkörper wenigstens eine der beiden Strukturen einen im wesentlichen V-förmigen Querschnitt aufweist.The honeycomb body is preferably designed such that the structures in the are essentially undulating. In particular, it is proposed that in a honeycomb body at least one of the two structures one in has a substantial V-shaped cross section.
Nach einer weiteren vorteilhaften Ausgestaltung der Erfindung wird vorgeschlagen, daß wenigstens eine Struktur eine Primärstruktur und wenigstens eine Struktur eine Sekundärstruktur bildet, wobei die Primärstruktur eine gegenüber der Sekundärstruktur größere Amplitude aufweist. Vorzugsweise sind die Strukturen so ausgebildet, daß sich die Sekundärstrukturen auf den Primärstrukturen überlagern. Hierzu wird insbesondere vorgeschlagen, daß die Überlagerung der Sekundärstrukturen auf den Wellenbergen der Primärstrukturen oder in Wellentälern der Primärstrukturen erfolgt.According to a further advantageous embodiment of the invention, it is proposed that that at least one structure is a primary structure and at least a structure forms a secondary structure, the primary structure being a has a greater amplitude than the secondary structure. Preferably the structures are designed so that the secondary structures on the Overlay primary structures. In particular, it is proposed that the superposition of the secondary structures on the wave crests of the primary structures or in the troughs of the primary structures.
Die Primärstruktur bildet hierbei quasi eine Makrostruktur, während die Sekundärstruktur eine Mikrostruktur bildet. The primary structure forms a macro structure, while the Secondary structure forms a microstructure.
Nach einer weiteren vorteilhaften Ausgestaltung des Wabenkörpers wird vorgeschlagen, daß dieser durch abwechselnde Lagen aus glatten und strukturierten Metallfolien gebildet ist, wobei die strukturierten Metallfolien eine Primärstruktur und gegebenenfalls eine Sekundärstruktur aufweisen. Zur strömungstechnischen Verbesserung des Wabenkörpers wird desweiteren vorgeschlagen, daß der Wabenkörper durch abwechselnde Lagen glatter und strukturierter Metallfolien gebildet ist, wobei die glatten Metallfolien eine Sekundärstruktur aufweisen.According to a further advantageous embodiment of the honeycomb body suggested that this by alternating layers of smooth and structured Metal foils is formed, the structured metal foils being a primary structure and optionally have a secondary structure. For fluidic Improvement of the honeycomb body is also proposed that the honeycomb body is smooth and structured due to alternating layers Metal foils is formed, the smooth metal foils having a secondary structure.
Weitere Einzelheiten und Vorteile der Erfindung werden anhand der in der Zeichnung dargestellten Ausführungsbeispiele erläutert. Es zeigen:
- Fig. 1
- schematisch eine Metallfolie mit Strukturen ohne Durchbrechung,
- Fig. 2
- perspektivisch und schematisch eine nicht erfindungsgemäße Metallfolie mit Strukturen und einer Durchbrechung,
- Fig. 3
- die Metallfolie nach Fig. 2 in einer Draufsicht,
- Fig. 4
- eine Anordnung einer Metallfolie mit Strukturen und einem glatten Blech,
- Fig. 5
- eine Metallfolie mit Strukturen und einem glatten Blech,
- Fig. 6
- eine Vorderansicht einer Metallfolie mit einer Struktur zwischen zwei glatten Blechen,
- Fig. 7
- eine Draufsicht auf die Metallfolie mit einer Struktur nach Fig. 6.
- Fig. 1
- schematically a metal foil with structures without opening,
- Fig. 2
- perspective and schematic of a metal foil not according to the invention with structures and an opening,
- Fig. 3
- 2 in a top view,
- Fig. 4
- an arrangement of a metal foil with structures and a smooth sheet,
- Fig. 5
- a metal foil with structures and a smooth sheet,
- Fig. 6
- a front view of a metal foil with a structure between two smooth sheets,
- Fig. 7
- 6 shows a plan view of the metal foil with a structure according to FIG. 6.
Fig. 1 zeigt schematisch und perspektivisch eine Metallfolie 1 mit Strukturen
3, 4. Die Strukturen 3, 4 sind beabstandet zu einer Referenzfläche 2
ausgebildet. Die Referenzfläche 2 ist im wesentlichen parallel zur Metallfolie
1 im unstrukturierten Zustand ausgebildet. Die Referenzfläche 2 ist in der
Fig. 1 gestrichelt dargestellt.1 shows schematically and in perspective a
In dem dargestellten Ausführungsbeispiel weisen die Strukturen 3, 4 einen
im wesentlichen rechteckförmigen Querschnitt auf. Andere Querschnitte sind
möglich. Die Ausgestaltung des Querschnitts kann entsprechend den Anforderungen
an die Metallfolie 1 ausgebildet werden.In the exemplary embodiment shown, the structures 3, 4 have one
essentially rectangular cross-section. Other cross sections are
possible. The design of the cross section can be according to the requirements
be formed on the
Fig. 1 zeigt, daß die Strukturen 3, 4 sich in einem Bereich 5 überlagern.
Der Bereich 5 ist gestrichelt dargestellt. Zur Vereinfachung der Herstellung
der Metallfolie mit den Strukturen 3, 4 sowie zur Verbesserung der Flexibilität
der Metallfolie 1 wird bei der Erfindung vorgeschlagen, daß eine nicht
dargestellte Durchbrechung im Bereich 5 ausgebildet wird. Die Durchbrechung
ist vorzugsweise so bemessen, daß diese wenigstens dem Bereich 5
entspricht, so daß die zwischen den Strukturen 3, 4 liegenden Kanten 7
entfernt werden, wodurch die Strukturen 3, 4 zueinander verbindungslos
sind.1 shows that the structures 3, 4 overlap in an
Fig. 2 zeigt eine nicht die Erfindung betreffende Ansführungs form einer Metallfolie 1 mit im Querschnitt im wesentlichen V-förmigen
Strukturen 3, 4. Die Strukturen weisen eine Längserstreckung auf.
In dem Bereich 5, in dem sich die Strukturen 3, 4 überlagern würden, ist
eine Durchbrechung 6 ausgebildet, durch die Strukturen 3, 4 im wesentlichen
keine gemeinsame Kante aufweisen.Fig. 2 shows a non-invention related form of a
Die in den Figuren 1 und 2 dargestellten Strukturen weisen einen im
wesentlichen gleichen Querschnitt auf. In den Figuren 4 und 5 sind Metallfolien
8, 9 dargestellt, die Primärstrukturen 10, 11 aufweisen. Die Strukturen
10, 11 bilden eine im wesentlichen wellenförmige Metallfolie 8 bzw. 9.
Die Strukturen 10, 11 begrenzen gemeinsam mit einer glatten Metallfolie 12
Kanäle 13, durch die ein Fluid in Richtung R die Kanäle 13 durchströmt.The structures shown in Figures 1 and 2 have a
essentially the same cross section. In Figures 4 and 5 are
Die Metallfolie 8 ist desweiteren mit einer Sekundärstruktur 14 versehen.
Bei der Sekundärstruktur 14 handelt es sich um kreuzende streifenförmige
Prägungen in der Metallfolie 8. Die Amplitude der Sekundärstrukturen 14
ist kleiner als die Amplitude der Primärstrukturen 10, 11. Wie aus der Fig.
4 ersichtlich ist, kreuzen sich die Sekundärstrukturen 14 auf Wellenbergen
15 der Primärstrukturen 10, 11. In dem Bereich der Kreuzungen der Sekundärstrukturen
14 sind Durchbrechungen 16 ausgebildet.The
Fig. 5 zeigt eine Abwandlung der in der Fig. 4 dargestellten Anordnung der
strukturierten Metallfolie und einer glatten Metallfolie 12. Die Metallfolie 9
unterscheidet sich von der in der Fig. 4 dargestellten Metallfolie 8 dadurch,
daß die Sekundärstrukturen 14 sich nicht nur auf den Wellenbergen 15
sondern auch im Wellental 17 und auf den Flanken 18 der Primärstrukturen
kreuzen. Die sich kreuzenden Sekundärstrukturen sind in einem Winkel zur
Strömungsrichtung R eines Fluids F ausgebildet. In den Kreuzungsbereichen
bzw. Überlagerungsbereichen der Sekundärstrukturen 14 sind jeweils Durchbrechungen
16 ausgebildet, so daß die Sekundärstrukturen 14 keine gemeinsame
Verbindungskante aufweisen. Fig. 5 shows a modification of the arrangement shown in Fig. 4
structured metal foil and a
Die in den Figuren 4 und 5 dargestellten Ausführungsformen und Anordnungen der Metallfolien können ein Teil eines metallischen Wabenkörpers bilden.The embodiments and arrangements shown in Figures 4 and 5 The metal foils can be part of a metallic honeycomb body form.
In der Fig. 6 ist eine Anordnung einer strukturierten Metallfolie 21 zwischen
zwei glatten Metallfolien 22, 23 dargestellt. Die strukturierte Metallfolie
21 weist eine Primärstruktur 19 und eine im wesentlichen quer zur
Längserstreckung der Primärstruktur 19 verlaufende Sekundärstruktur 20 auf.
Ein Teil der Primärstruktur 19 sowie der Sekundärstruktur 20 ist durch eine
Ausstanzung, die eine Durchbrechung 24 bildet, entfernt worden. Gestrichelt
ist in der Fig. 6 der Verlauf der Sekundärstruktur 20 vor dem Ausstanzvorgang
dargestellt. Die Durchbrechung 24 ist in einem Bereich 5 ausgebildet,
in dem die sich überlagernden Strukturen 19, 20 eine gemeinsame theoretische
Höhe H bezogen auf eine Referenzfläche 2 aufweisen, die größer ist
als eine Höhe h der Struktur 19 in dem Bereich 5. Die Durchbrechung 24
weist einen Rand 25 auf, dessen Abstand A zur Referenzfläche 2 kleiner ist
als die theoretische Höhe H.6 shows an arrangement of a structured
Die Metallfolie 22 liegt in dem Bereich 5 der Durchbrechung 24 auf der
Wandung der Primärstruktur 19 und der Sekundärstruktur 20 auf, wodurch
zwischen der glatten Metallfolie 22 und der strukturierten Metallfolie 21 ein
guter Kontakt besteht, der besonders zur Ausbildung einer Lötverbindung
zwischen der strukturierten Metallfolie 21 und der glatten Metallfolie 22
geeignet ist.The
Auch durch die in den Figuren 4 und 5 dargestellten Ausgestaltungen der Metallfolien 8, 9 ist eine gute Verbindung mit einer auf diesen angeordneten glatten Metallfolie möglich. Also by the configurations shown in Figures 4 and 5 Metal foils 8, 9 is a good connection with one arranged on them smooth metal foil possible.
- 11
- Metallfoliemetal foil
- 22
- Ebenelevel
- 3, 43, 4
- Strukturstructure
- 55
- Strukturflächestructure area
- 66
- Durchbrechungperforation
- 77
- Kanteedge
- 8, 98, 9
- Metallfoliemetal foil
- 10, 1110, 11
- Primärstrukturprimary structure
- 1212
- glatte Metallfoliesmooth metal foil
- 1313
- Kanalchannel
- 1414
- Sekundärstruktursecondary structure
- 1515
- WellenbergWellenberg
- 1616
- Durchbrechungperforation
- 1717
- Wellentaltrough
- 1818
- Flankeflank
- 1919
- Primärstrukturprimary structure
- 2020
- Sekundärstruktursecondary structure
- 2121
- strukturierte Metallfoliestructured metal foil
- 22, 2322, 23
- glatte Metallfoliesmooth metal foil
- 2424
- Durchbrechungperforation
- 2525
- Randedge
Claims (25)
- Metal foil having at least two structures (3, 4, 10, 11, 14, 19, 20) being produced by plastic forming, which are spaced from a reference surface (2) and which are in partially superposed relationship, characterized by at least one through opening (6, 16, 24) formed in a region (5) in which the structures (3, 4, 10, 11, 14, 19, 20) are in a mutually superposed relationship.
- Metal foil according to claim 1, characterized in that the through opening (6, 16, 24) is formed by at least one slot.
- Metal foil according to claim 2, characterized in that the through opening (6, 16, 24) is formed by at least two slots which meet at an angle.
- Metal foil according to claim 1, characterized in that the through opening (6, 16, 24) is formed by at least one perforation.
- Metal foil according to one of claims 1 to 4, characterized in that the structures (3, 4, 10, 11, 14, 19, 20) are in a mutually superposed relationship at an angle.
- Metal foil according to claim 1, characterized in that at least one through opening (6, 16, 24) which is formed in at least one region (5) in which the mutually superposed area-like structures (10, 11, 14, 19, 20) have a common theoretical maximum height (H) with respect to the reference surface (2), that is greater than a height (h) of at least one structure (10, 11, 14, 19, 20) in said region (5), wherein the through opening (6, 16, 24) has an edge (25) whose spacing (A) relative to the reference surface (2) is everywhere smaller than the theoretical maximum height (H).
- Metal foil according to one of claims 1 to 6, characterized in that the structures (3, 4, 10, 11, 14, 19, 20) are of a substantially wave-shaped configuration.
- Metal foil according to claim 7, characterized in that at least one of the two structures (3, 4) is of a substantially V-shaped cross-section.
- Metal foil according to one of claims 1 to 8, characterized in that at least one structure is a primary structure (10, 11, 19) and at least one structure is a secondary structure (14, 20), wherein the primary structure (10, 11, 19) is of a larger amplitude than the secondary structure (14, 20).
- Metal foil according to claim 9, characterized in that secondary structures (14) are in superposed relationship on at least one wave crest (15) of the primary structure (10, 11).
- Metal foil according to claim 10, characterized in that secondary structures (14) are in superposed relationship in at least one wave trough (17) of the primary structure (10, 11).
- A honeycomb body having a plurality of passages (13) through which a fluid can flow in a flow direction and which are delimited by at least one metal foil (8, 9, 12, 22, 23) having at least two area-like structures (3, 4, 10, 11, 14, 19, 20) which are spaced from a reference surface (2) and which are disposed in at least partially mutually superposed and crossing relationship, characterized by at least one through opening (6, 16, 24) formed in at least one region (5) in which the structures (3, 4 10, 11, 14, 19, 20) are superposed.
- Honeycomb body according to claim 12, characterized in that the through opening (6, 16, 24) is formed by at least one slot.
- Honeycomb body according to claim 13, characterized in that the through opening (6, 16, 24) is formed by at least two slots which meet at an angle.
- Honeycomb body according to claim 14, characterized in that the through opening (6, 16, 24) is formed by at least one perforation.
- Honeycomb body according to claim 12 to 15, characterized in that the structures (3, 4, 10, 11, 14, 19, 20) are in superposed relationship at an angle.
- Honeycomb body according to claim 12, characterized by at least one through opening (16, 24) which is formed in at least one region (5) in which the mutually superposed structures (10, 11, 14, 19, 20) have a common theoretical maximum height (H) with respect to the reference surface (2), that is greater than a height (h) of at least one structure (10, 11, 14, 19, 20) in said region (5), wherein the through opening (24) has an edge (25) whose spacing (A) relative to the reference surface (2) is everywhere smaller than the theoretical maximum height (H).
- Honeycomb body according to one of claims 12 to 17, characterized in that the structures (3, 4, 10, 11, 14, 19, 20) are of a substantially wave-shaped configuration.
- Honeycomb body according to claim 18, characterized in that at least one of the two structures (3, 4) is of a substantially V-shaped cross-section.
- Honeycomb body according to one of claims 12 to 19, characterized in that at least one structure is a primary structure (10, 11, 19) and at least one structure is a secondary structure (14, 20), wherein the primary structure (10, 11, 19) is of a larger amplitude than the secondary structure (14, 20).
- Honeycomb body according to claim 20, characterized in that secondary structures (14, 20) are in superposed relationship on the primary structures (10, 11, 19).
- Honeycomb body according to claim 21, characterized in that secondary structures (14, 20) are disposed in superposed relationship on at least one wave crest (15) of the primary structure (10, 11).
- Honeycomb body according to claim 21 or claim 22, characterized in that secondary structures (14, 20) are in superposed relationship in at least one wave trough (17) of the primary structure (10, 11).
- Honeycomb body according to one of claims 12 to 23, characterized by alternating layers of smooth (12, 22, 23) and structured metal foils (8, 9 21), wherein the structured metal foils have a primary structure (10, 11) and a secondary structure (14).
- Honeycomb body according to one of claims 12 to 24, characterized by alternating layers of smooth (12, 22, 23) and structured metal foils (8, 9 21), wherein the smooth metal foils (12, 22 23) have a primary structure.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19755354A DE19755354A1 (en) | 1997-12-12 | 1997-12-12 | Metal foil with openings |
DE19755354 | 1997-12-12 | ||
PCT/EP1998/007954 WO1999031362A1 (en) | 1997-12-12 | 1998-12-08 | Metal foil with openings |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1038096A1 EP1038096A1 (en) | 2000-09-27 |
EP1038096B1 true EP1038096B1 (en) | 2004-03-17 |
Family
ID=7851746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98965782A Expired - Lifetime EP1038096B1 (en) | 1997-12-12 | 1998-12-08 | Metal foil with openings |
Country Status (10)
Country | Link |
---|---|
US (1) | US6316121B1 (en) |
EP (1) | EP1038096B1 (en) |
JP (1) | JP2002508469A (en) |
KR (1) | KR100528356B1 (en) |
CN (1) | CN1107789C (en) |
AU (1) | AU2159299A (en) |
DE (2) | DE19755354A1 (en) |
PL (1) | PL193856B1 (en) |
RU (1) | RU2213231C2 (en) |
WO (1) | WO1999031362A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
EP1525378B1 (en) | 2002-08-02 | 2008-08-13 | Emitec Gesellschaft für Emissionstechnologie mbH | Metallic layer with regions of varying material thickness, method for production of such a metallic layer and honeycomb at least partly made from such metallic layers |
DE10242869B4 (en) * | 2002-09-17 | 2013-08-22 | Andreas Stihl Ag & Co. | catalyst |
US20050054526A1 (en) * | 2003-09-08 | 2005-03-10 | Engelhard Corporation | Coated substrate and process of preparation thereof |
US7340888B2 (en) * | 2005-04-26 | 2008-03-11 | Donaldson Company, Inc. | Diesel particulate matter reduction system |
US7673448B2 (en) * | 2005-08-05 | 2010-03-09 | Basf Catalysts Llc | Diesel exhaust article and catalyst compositions therefor |
US7862640B2 (en) | 2006-03-21 | 2011-01-04 | Donaldson Company, Inc. | Low temperature diesel particulate matter reduction system |
DE102008030754A1 (en) * | 2008-06-27 | 2009-12-31 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Exhaust gas treatment unit with metal foils of small material thickness |
US8468803B2 (en) | 2011-02-26 | 2013-06-25 | International Engine Intellectual Property Company, Llc | Soot resistant diesel fuel reformer for diesel engine emissions aftertreatment |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1154254A (en) * | 1909-11-05 | 1915-09-21 | Universal Electric Welding Co | Sheet-metal panel-work. |
US2158929A (en) * | 1937-05-14 | 1939-05-16 | Commercial Ingredients Corp | Resilient sheet |
US2481046A (en) * | 1947-11-13 | 1949-09-06 | Western Engineering Associates | Panel structure |
DE1450432B2 (en) * | 1963-06-27 | 1976-01-08 | Technigaz S.A., Paris | Developable expansion wall for a container |
GB1491198A (en) * | 1974-10-25 | 1977-11-09 | Atomic Energy Authority Uk | Catalyst bodies and methods of manufacturing such bodies |
DE2733640C3 (en) * | 1977-07-26 | 1981-04-30 | Süddeutsche Kühlerfabrik Julius Fr. Behr GmbH & Co KG, 7000 Stuttgart | Matrix for a catalytic reactor for exhaust gas cleaning in internal combustion engines |
US4251598A (en) * | 1978-09-11 | 1981-02-17 | Transco, Inc. | Reflective insulative panel |
DE8438260U1 (en) * | 1984-12-29 | 1985-04-11 | Süddeutsche Kühlerfabrik Julius Fr. Behr GmbH & Co KG, 7000 Stuttgart | CARRIER MATRIX, ESPECIALLY FOR A CATALYTIC REACTOR FOR EXHAUST GAS PURIFICATION |
DE3844350C2 (en) * | 1988-12-30 | 1996-09-05 | Emitec Emissionstechnologie | Support body for a catalytic reactor for exhaust gas purification |
DE8900467U1 (en) * | 1989-01-17 | 1990-05-17 | Emitec Emissionstechnologie | |
DE8909128U1 (en) * | 1989-07-27 | 1990-11-29 | Emitec Emissionstechnologie | |
DE4316132A1 (en) | 1993-05-13 | 1994-11-17 | Siemens Ag | Plate catalyst |
AU3652595A (en) * | 1994-09-26 | 1996-04-19 | Emitec Gesellschaft Fur Emissionstechnologie Mbh | Disk-shaped honeycomb elements, in particular catalyst supports |
US6036926A (en) * | 1995-10-20 | 2000-03-14 | Emitec Gesellschaft Fuer Emissionstechnologie Mbh | Honeycomb body of sheet metal layers with reinforcing structures and catalytic reactor having the honeycomb body |
DE29611143U1 (en) * | 1996-06-25 | 1996-09-12 | Emitec Emissionstechnologie | Conical honeycomb body with longitudinal structures |
DE19641049A1 (en) * | 1996-10-04 | 1998-04-09 | Emitec Emissionstechnologie | Honeycomb body with thermal insulation, preferably for a catalytic converter |
-
1997
- 1997-12-12 DE DE19755354A patent/DE19755354A1/en not_active Withdrawn
-
1998
- 1998-12-08 DE DE59811018T patent/DE59811018D1/en not_active Expired - Fee Related
- 1998-12-08 AU AU21592/99A patent/AU2159299A/en not_active Abandoned
- 1998-12-08 CN CN98812128A patent/CN1107789C/en not_active Expired - Fee Related
- 1998-12-08 KR KR10-2000-7006421A patent/KR100528356B1/en not_active IP Right Cessation
- 1998-12-08 EP EP98965782A patent/EP1038096B1/en not_active Expired - Lifetime
- 1998-12-08 RU RU2000118793/06A patent/RU2213231C2/en not_active IP Right Cessation
- 1998-12-08 WO PCT/EP1998/007954 patent/WO1999031362A1/en active IP Right Grant
- 1998-12-08 JP JP2000539245A patent/JP2002508469A/en not_active Ceased
- 1998-12-08 PL PL98341477A patent/PL193856B1/en not_active IP Right Cessation
-
2000
- 2000-06-12 US US09/592,299 patent/US6316121B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
RU2213231C2 (en) | 2003-09-27 |
US6316121B1 (en) | 2001-11-13 |
DE19755354A1 (en) | 1999-06-17 |
KR100528356B1 (en) | 2005-11-15 |
PL193856B1 (en) | 2007-03-30 |
DE59811018D1 (en) | 2004-04-22 |
EP1038096A1 (en) | 2000-09-27 |
AU2159299A (en) | 1999-07-05 |
KR20010033060A (en) | 2001-04-25 |
JP2002508469A (en) | 2002-03-19 |
CN1107789C (en) | 2003-05-07 |
PL341477A1 (en) | 2001-04-23 |
CN1281529A (en) | 2001-01-24 |
WO1999031362A1 (en) | 1999-06-24 |
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