Patent application number | Description | Published |
20080203140 | Method and Device for Brazing Material Application, Method for Producing a Honeycomb Body, Exhaust Gas Treatment Unit and Vehicle - A device and a method for applying brazing material to an at least partially structured metal foil include a) providing at least one flat metal foil, b) shaping the at least one metal foil to produce a structure, and c) applying brazing material to the at least one metal foil. Steps b) and c) are carried out discontinuously and at least partially together. The device and method are preferably used in the production of metallic honeycomb bodies for the treatment of exhaust gases in vehicles. | 08-28-2008 |
20080206514 | Non-Cylindrical Catalytic-Converter Carrier Element and Tool, and Method for Manufacturing it - A method for the production of a converter-carrier body having a metallic honeycomb body made of a plurality of metal layers, especially smooth layers and corrugated layers, the layers having layer ends, such that an outer shape of the honeycomb body is formed by the layer ends. At least one stack is produced having several alternately disposed metal layers that are structured such that channels are formed for a fluid to flow through. The at least one stack is transformed into a honeycomb body having a cylindrical form. The honeycomb body is deformed from the cylindrical form so that an outer shape that deviates from the cylindrical form is produced. Additionally, the invention relates to a corresponding converter-carrier body and a tool for the production thereof. | 08-28-2008 |
20080213614 | Honeycomb Body with an End-Side Brazing Zone, Exhaust-gas Treatment Component and Motor Vehicle Having a Honeycomb Body and Method for Producing a Honeycomb Body - A honeycomb body includes two opposite end sides, at least one housing and at least one metallic layer forming channels. At least one of the end sides has at least one brazed zone forming a belt-shaped, brazing material-free zone adjacent the housing. A method for producing the honeycomb body, an exhaust-gas treatment component for an internal combustion engine and a motor vehicle having the honeycomb body, are also provided. | 09-04-2008 |
20080261068 | Honeycomb Body for an Exhaust Gas Treatment Unit - A honeycomb body for an exhaust treatment unit has at least one honeycomb structure and a least one housing, which at least partially surrounds the at least one honeycomb structure. At least one region between the honeycomb structure and the housing is formed with a brazed joint and at least two separate measures delimit the brazed joint. Furthermore, a method for producing a corresponding honeycomb is also proposed. | 10-23-2008 |
20090158741 | Method for Generating Openings in a Metal Foil, Method for Producing a Honeycomb Body, Exhaust Gas Treatment Unit Having a Honeycomb Body Produced by the Method and Motor Vehicle - A method for generating openings in a metal foil includes at least the following steps:
| 06-25-2009 |
20100043516 | APPARATUS FOR PRODUCING A STRUCTURED METAL SHEET FOR EXHAUST GAS TREATMENT DEVICES - A process for producing a structure in a smooth sheet-metal strip includes multiple process steps. In a first step, a first section of a smooth sheet-metal strip is fed to a first tool and a second section of the sheet-metal strip is fed to a second tool in a direction of advance. Then the sheet-metal strip is stopped. A sheet-metal machining of the first section of the sheet-metal strip is carried out using the first tool. A sheet-metal machining of the second section of the sheet-metal strip is carried out using the second tool, with the first feeding step being carried out simultaneously. An apparatus is provided for producing a sheet-metal strip of such a complex structure, which produces the structure with a very high degree of accuracy even when the materials properties differ. | 02-25-2010 |
20100139244 | SELF-SUPPORTING MOUNT FOR CATALYST CARRIER BODY AND EXHAUST SYSTEM HAVING AT LEAST ONE MOUNT - A self-supporting mount for exhaust gas purification modules includes at least two retaining plates. The exhaust gas purification modules each have a cross sectional shape and at least one bead projecting beyond the main cross sectional shape and having a thickness. At least two of the exhaust gas purification modules pass at least partially through at least one of the retaining plates and are each fixed between the at least two retaining plates through the use of the bead. An exhaust system for a motor vehicle having at least one self-supporting mount, is also provided. | 06-10-2010 |
20100331180 | HONEYCOMB BODY WITH STRUCTURED SHEET METAL MATERIAL AND PARTICLE SEPARATOR, CATALYST CARRIER BODY AND MOTOR VEHICLE HAVING THE HONEYCOMB BODY - A honeycomb body includes at least one housing and a honeycomb structure for a waste-gas purification system having at least one sheet metal material. The sheet metal material has elevations in at least one section and an edge contour enclosing the elevations. A portion of the area of the elevations in the at least one section is at least 80%. A particle separator, a catalyst carrier body and a motor vehicle having the honeycomb body are also provided. | 12-30-2010 |
20110150718 | EXHAUST-GAS TREATMENT UNIT HAVING METAL FOILS OF SMALL MATERIAL THICKNESS AND METHOD FOR PRODUCING THE SAME - An exhaust-gas treatment unit includes at least one housing and a honeycomb structure having channels running between end faces of the honeycomb structure and being formed by at least partially structured metal foils having a material thickness of at most 50 μm. At least part of the metal foils is constructed with a fold of a predefined width at least in the region of an end face, and the metal foil is welded to itself at a weld seam in the region of this fold. A method for producing such an exhaust-gas treatment unit using a suitable welding process is also provided. | 06-23-2011 |
20110209451 | NONWOVEN FABRIC FOR EXHAUST-GAS TREATMENT, EXHAUST-GAS PURIFICATION DEVICE AND METHOD FOR PRODUCING A NONWOVEN FABRIC FOR EXHAUST-GAS TREATMENT - A nonwoven fabric for exhaust-gas treatment includes a multiplicity of metallic filaments having at least two types of different contours of the metallic filaments. An exhaust-gas purification device includes a channel structure through which exhaust gas can at least partially flow. The channel structure is made at least partially with such a nonwoven fabric. A method for producing a nonwoven fabric for exhaust-gas treatment is also provided. | 09-01-2011 |
20110210158 | METHOD FOR BRAZING A METALLIC HONEYCOMB BODY FOR EXHAUST GAS TREATMENT AND APPARATUS FOR CARRYING OUT THE METHOD - A method for brazing a metallic honeycomb body ( | 09-01-2011 |
20120043153 | HONEYCOMB BODY FOR AN EXHAUST GAS PURIFICATION SYSTEM, METHOD FOR PRODUCING A HONEYCOMB BODY, EXHAUST LINE SECTION AND MOTOR VEHICLE - A honeycomb body for an exhaust-gas purification system may be used, for example, as a carrier body for catalytically acting coatings or as a filter, absorber or mixer in the exhaust system of an internal combustion engine. The honeycomb body has channels, an axial main direction, a planar front surface, a planar end surface and a circumferential surface disposed parallel to the axial main direction. The front surface and/or the end surface are disposed obliquely with respect to the axial main direction. Such a honeycomb body is advantageous, in particular, for applying reducing agent to the oblique end or front surface. A method for producing a honeycomb body, an exhaust line section and a motor vehicle are also provided. | 02-23-2012 |
20120064360 | SHEET-METAL LAYER WITH ANTI-DIFFUSION STRUCTURES AND METALLIC HONEYCOMB BODY WITH AT LEAST ONE SUCH SHEET-METAL LAYER - A sheet-metal layer includes anti-diffusion structures made of a high-temperature-corrosion-resistant steel having a longitudinal direction, upper and lower surfaces, a thickness of 0.015 to 0.1 mm and discontinuous microstructures extending approximately in the longitudinal direction. The microstructures have a structure height (0.02 to 0.1 mm), a structure length (2 to 10 mm), a structure width (0.2 to 1 mm), a longitudinal spacing (greater than 2 mm), formed by interruptions, from the nearest microstructure aligned approximately in the longitudinal direction and a lateral distance (1 to 10 mm) from the nearest laterally adjacent microstructure. Some of the microstructures project out of the sheet-metal layer toward the upper surface and some toward the lower surface. The microstructures cause each straight theoretical line extending across the sheet-metal layer perpendicularly to the longitudinal direction to intersect at least two microstructures projecting toward the upper surface and two microstructures projecting toward the lower surface. | 03-15-2012 |
20120186205 | HOLLOW BODY FOR CAPTURING PARTICLES IN AN EXHAUST GAS LINE, EXHAUST-GAS TREATMENT DEVICE AND MOTOR VEHICLE - A hollow body for capturing particles includes at least one at least partially permeable wall extending between two at least partially oppositely disposed openings and along a first longitudinal direction. The hollow body has a primary cross-sectional shape defining a first cross-sectional area. At least one of the openings defines a second cross-sectional area. The second cross-sectional area is greater than the first cross-sectional area. An exhaust-gas treatment device having an exhaust line and a motor vehicle having an exhaust-gas treatment device are also provided. | 07-26-2012 |
20120304626 | METHOD FOR DETERMINING AN AMOUNT OF LIQUID REMOVED FROM A TANK AND REDUCING AGENT SUPPLY DEVICE FOR A MOTOR VEHICLE - A method for determining an amount of liquid removed from a tank per unit time includes discontinuously feeding the liquid to exhaust gas of an internal combustion engine by at least feeding the liquid through an injection line into the exhaust gas, measuring pressures simultaneously at least at two points in the injection line and determining an amount of liquid fed in per unit time from the measured pressures. The amount of liquid removed between a first point in time and a second point in time is further derived by integrating the amounts of liquid removed per unit time over a period of time from the first point in time to the second point in time. The method allows the precise consumption of the liquid to be calculated and the remaining amount of liquid in the tank to be additionally determined. On-board diagnosis is further possible with the method. | 12-06-2012 |
20120308455 | DEVICE HAVING AN INJECTOR FOR A LIQUID REDUCING AGENT, CONFIGURATION HAVING THE DEVICE AND METHODS OF USING THE DEVICE AND THE CONFIGURATION - A device includes an injector for a liquid having at least one pressure sensor, preferably an integrated pressure sensor. The device is used, in particular, for adding liquid reducing agent to an exhaust gas line of a motor vehicle. A configuration having the device and methods of using the device and the configuration are also provided. | 12-06-2012 |
20120315196 | APPARATUS HAVING A TANK AND A DELIVERY UNIT FOR REDUCING AGENT - A device includes at least one tank having a tank bottom and a delivery unit for a liquid. The delivery unit is disposed in a chamber on the tank bottom and the chamber includes at least one heater. The tank preferably has at least one local ventilation heater extending from a discharge for liquid on the tank bottom over at least one tank side to the vicinity of a tank top. | 12-13-2012 |
20120321525 | APPARATUS HAVING A TANK AND A DELIVERY UNIT FOR REDUCING AGENT - An apparatus includes at least one tank having a tank bottom and a delivery unit for a liquid. The delivery unit is disposed in a chamber on the tank bottom and the chamber has at least one heater. | 12-20-2012 |
20130247547 | PARTICLE SEPARATOR WITH A METAL LAYER THROUGH WHICH EXHAUST GAS CAN FLOW AND MOTOR VEHICLE HAVING AT LEAST ONE PARTICLE SEPARATOR - A particle separator for treating the exhaust gases of an internal combustion engine includes a housing having an inlet opening, an outlet opening, a cross section and a central axis. At least one metallic layer, through which exhaust gas can flow, is located in the housing and has an undulation or corrugation that spans the cross section of the housing. The particle separator has a large surface for providing the lowest possible flow resistance and a low risk of clogging. A motor vehicle having at least one particle separator is also provided. | 09-26-2013 |
20130247548 | PARTICLE SEPARATOR HAVING A MULTI-PART HOUSING, METHOD FOR PRODUCING THE PARTICLE SEPARATOR AND MOTOR VEHICLE HAVING THE PARTICLE SEPARATOR - A particle separator for treating exhaust gases from an internal combustion engine includes a housing having an inlet opening, an outlet opening, a central axis, a first part with a first joining surface and a second part with a second joining surface. The first and second joining surfaces correspond to one another, so that the first and second parts can be positioned along the central axis relative to one another. At least one metallic layer, through which exhaust gas can flow, spaces the first and second joining surfaces apart over the entire circumference. The particle separator can be manufactured cost-effectively in a simple manner with few measures and, in particular, is suitable for retrofitting to an existing exhaust system. A method for producing the particle separator and a motor vehicle having the particle separator are also provided. | 09-26-2013 |
20130247549 | CLEANABLE PARTICLE SEPARATOR AND MOTOR VEHICLE HAVING AT LEAST ONE PARTICLE SEPARATOR - A particle separator for treating the exhaust gases of an internal combustion engine includes at least one metallic layer through which exhaust gas can flow. The metallic layer is located in a housing that includes an inlet opening, an outlet opening and a central axis. The housing is provided with at least one inspection or maintenance opening that laterally penetrates the housing and provides a passage through to the metallic layer. The particle separator can, in particular, remain operational without having to be dismantled or can autonomously remain fully open to a flow at all times. A motor vehicle having at least one particle separator is also provided. | 09-26-2013 |