Abstract: A catalytic converter as subject of the invention comprises fibers, which fibers have a fiber surface. The converter further comprises catalytic material, substantially all of this catalytic material is present on the fiber surface. The fibers are present in the catalytic converter as discrete fibers. A method for making the catalytic converter comprises providing a bundle of discrete fibers, coating them with catalytic material and inserting the coated bundle into a can.

Abstract: Method of forming a magnetic core or part of a magnetic core including several layers of windings of magnetic wire in a very compact configuration, and the core or part of core is formed by winding several layers of a collated band of wires side by side until desired number of layers of core or part of core is obtained. Method includes forming magnetic core or magnetic flux return path or part of magnetic core including several layers of windings of magnetic wire in compact configuration; core or part of core being formed by winding several layers of a collated band of wires side by side until reaching desired number of layers of the core or part of the core. Magnetic core or magnetic flux return path includes several layers of windings of magnetic wire in compact configuration; part of layers of windings being formed by collated band of wires.

Abstract: Method of forming a magnetic core or part of a magnetic core including several layers of windings of magnetic wire in a very compact configuration, and the core or part of core is formed by winding several layers of a collated band of wires side by side until desired number of layers of core or part of core is obtained. Method includes forming magnetic core or magnetic flux return path or part of magnetic core including several layers of windings of magnetic wire in compact configuration; core or part of core being formed by winding several layers of a collated band of wires side by side until reaching desired number of layers of the core or part of the core. Magnetic core or magnetic flux return path includes several layers of windings of magnetic wire in compact configuration; part of layers of windings being formed by collated band of wires.

Abstract: A catalytic converter as subject of the invention comprises fibers, which fibers have a fiber surface. The converter further comprises catalytic material, substantially all of this catalytic material is present on the fiber surface. The fibers are present in the catalytic converter as discrete fibers. A method for making the catalytic converter comprises providing a bundle of discrete fibers, coating them with catalytic material and inserting the coated bundle into a can.

Abstract: A filter medium includes at least a first and a second layer. Both first and second layers have a layer volume VLq and a layer filtering surface SLq, where SLq is the accumulation of all mantle surfaces of the fibers present in this layer q. The first layer has a SL1/VL1-ratio of less than 32500 m2/m3, and the second layer has a SL2/VL2-ratio being more than 1.1×SL1/VL1.

Abstract: An electrically regeneratable filter element comprises at least two flanks, each of these flanks comprising a stiff material layer. Each of these flanks has at least one thermally and electrically insulated side. The filter element comprises further a metal fiber fleece being pleated according to pleating lines providing an edge with pleat openings. The metal fiber fleece is mounted between the flanks, in such a way that the thermally and electrically insulated sides make contact with the edge, meanwhile these sides closing the pleat openings.

Abstract: A metal fiber has a cross section, having a perimeter. The cross section comprises at least a first zone and a second zone, each of these zones providing a part of the perimeter. The first zone is composed of a first metal or metal alloy M1, and the second zone is composed of a second metal or metal alloy M2, for which M1 is different from M2. A method to make such fiber is provided. the method as subject of the invention comprises the steps of to—Providing a foil or plate which is composed of metal or metal alloy M1;—Applying at a first side of said foil or plate a layer of a second metal or metal alloy M2;—Coiling up said foil or plate comprising M1 and M2 on a shaft;—Rotating said shaft with coiled foil or plate and cutting the end surface of said coiled foil or plate using a cutting tool.

Abstract: A filter element comprises a pleated metal fiber fleece which is pleated according to pleating lines, providing an edge with pleat openings to be closed to make gas flowing through the metal fiber fleece. The filter element comprises at least two flanks, each of these flanks comprises a ceramic plate. The metal fiber fleece is mounted between the ceramic plates of both flanks, while flanks exercising a clamping force on the edges of the metal fiber fleece in a direction essentially parallel to the pleating lines, meanwhile closing the pleat openings.

Abstract: A filter element comprising a pleated metal fiber fleece is pleated according to pleating lines, providing an edge with pleat openings to be closed to make gas flowing through the metal fiber fleece. The filter element comprising at least two flanks, each of these flanks comprises a thermally and electrically insulating fabric and a stiff material layer. The thermally and electrically insulating fabric is present at one side of the stiff material layer, providing a thermally and electrically insulated side to the flank. The metal fiber fleece is mounted between the thermally and electrically insulated sides of both flanks, which exercise a clamping force on the edges of the metal fiber fleece in a direction essentially parallel to the pleating lines, while the flanks closing said pleat openings.

Abstract: A filter element comprises a pleated metal fiber fleece being pleated according to pleating lines providing an edge with pleat openings to be closed in order to make gas flowing through the metal fiber fleece. The filter element further comprises at least two flanks, each of these flanks comprising a stiff material layer. The stiff material layer and the metal fiber fleece are connected using a layer of ceramic adhesive, which prevents direct contact of the metal fiber fleece over the length of the edge of the metal fiber fleece with the flank. Meanwhile the flanks, being essentially perpendicular to the pleating lines, closing the pleat openings in order to prevent bypasses.

Abstract: A filter medium (11) comprises at least a first (12) and a second layer (13). Both first and second layer have a layer volume VLq and a layer filtering surface SLq, where SLq is the accumulation of all mantle surfaces of the fibers present in this layer q. The first layer has a SL1/VL1-ratio of less than 32500 m2/m3, and the second layer has a SL2/VL2-ratio being more than 1.1×SL1/VL1.

Abstract: The invention relates to a method of desulfation of NOx-adsorbers (11) in a diesel exhaust system, comprising the steps of periodically increasing the temperature of the electrically conductive substrate (18) of the NOx-adsorber (11) above the decomposition temperature of the adsorbed S-comprising compounds by providing electric current to the electrically conductive substrate (18).

Abstract: An electrically regeneratable filter element comprises at least two flanks, each of these flanks comprising a stiff material layer. Each of these flanks has at least one thermally and electrically insulated side. The filter element comprises further a metal fiber fleece being pleated according to pleating lines providing an edge with pleat openings. The metal fiber fleece is mounted between the flanks, in such a way that the thermally and electrically insulated sides make contact with the edge, meanwhile these sides closing the pleat openings.

Abstract: A filter element comprising a pleated metal fiber fleece is pleated according to pleating lines, providing an edge with pleat openings to be closed to make gas flowing through the metal fiber fleece. The filter element comprising at least two flanks, each of these flanks comprises a thermally and electrically insulating fabric and a stiff material layer. The thermally and electrically insulating fabric is present at one side of the stiff material layer, providing a thermally and electrically insulated side to the flank. The metal fiber fleece is mounted between the thermally and electrically insulated sides of both flanks, which exercise a clamping force on the edges of the metal fiber fleece in a direction essentially parallel to the pleating lines, while the flanks closing said pleat openings.

Abstract: A filter element comprises a pleated metal fiber fleece being pleated according to pleating lines providing an edge with pleat openings to be closed in order to make gas flowing through the metal fiber fleece. The filter element further comprises at least two flanks, each of these flanks comprising a stiff material layer. The stiff material layer and the metal fiber fleece are connected using a layer of ceramic adhesive, which prevents direct contact of the metal fiber fleece over the length of the edge of the metal fiber fleece with the flank. Meanwhile the flanks, being essentially perpendicular to the pleating lines, closing the pleat openings in order to prevent bypasses.

Abstract: A filter element comprises a pleated metal fiber fleece which is pleated according to pleating lines, providing an edge with pleat openings to be closed to make gas flowing through the metal fiber fleece. The filter element comprises at least two flanks, each of these flanks comprises a ceramic plate. The metal fiber fleece is mounted between the ceramic plates of both flanks, while flanks exercising a clamping force on the edges of the metal fiber fleece in a direction essentially parallel to the pleating lines, meanwhile closing the pleat openings.

Abstract: An electrical contact system (11) comprising an electrically conductive porous fleece (12) and one or more electrical contacts (13) is provided. The electrical contacts (13) are applied on the electrically conductive porous fleece (12) by means of a coating technique.

Abstract: An electrical contact system is provided which comprises an electrically conductive porous fleece and one or more contact bodies. The electrically conductive porous fleece and the contact bodies are sintered to each other, so avoiding hot spots during the use of the element.

Abstract: A membrane for radiant gas burners comprises a fabric (18) of metal fibers. The membrane has a surface which has a permanent undulation to such a degree that its surface area is at least five per cent greater than the surface area of a comparable flat membrane. In a preferable embodiment, the amplitude and the pitch of the undulation is such that, in operation, heat is radiated to and reflected from the flanks (24', 24") of the undulation. The result is an increased radiative output and radiative efficiency.

Abstract: An electrically regeneratable filter element comprises at least two flanks, each of these flanks comprising a stiff material layer. Each of these flanks has at least one thermally and electrically insulated side. The filter element comprises further a metal fiber fleece being pleated according to pleating lines providing an edge with pleat openings. The metal fiber fleece is mounted between the flanks, in such a way that the thermally and electrically insulated sides make contact with the edge, meanwhile these sides closing the pleat openings.