Abstract: The present invention relates to a method for manufacturing an air gap-insulated exhaust collector for an exhaust system of an internal combustion engine, in particular in a motor vehicle, wherein individual gas-conducting components of an inner shell body are inserted into one another in the region of at least one slide fit, wherein a calibrating process, in which a reduction in cross section takes place at least on the respective outer component, is carried out in the region of at least one slide fit of this type when the components are inserted into one another.

Abstract: The present invention relates to an exhaust manifold for an internal combustion engine, in particular in a motor vehicle, comprising a housing from which a plurality of inlet pipes emanate, which, in the built-in state, lead to cylinders of the internal combustion engine, and comprising a flange, which is welded to the inlet pipes and which, in the built-in state, is screwed to the cylinder head of the internal combustion engine by means of a screw connection. The fatigue strength of the exhaust manifold can be improved by subdividing the flange into at least two partial flanges in a longitudinal direction of the exhaust manifold.

Abstract: The present invention relates to a sheet-metal-type part, in particular a muffler bottom having at least one through-opening for a tubular part. The sheet-metal-type part has at least one slot passing through the sheet-metal-type part in an area adjacent to the through-opening. The slot runs essentially in the circumferential direction or runs tangentially to the through-opening.

Abstract: The present invention relates to an active muffler for an exhaust gas system of an internal combustion engine, in particular in a motor vehicle, having at least one antinoise generator for applying antinoise to the exhaust gas, whereby the antinoise generator has a diaphragm drive with which it is coupled via at least one coupling element in a thermally conducting and noise-reducing manner to an outside wall of the muffler, which is in contact with the environment.

Abstract: The present invention relates to a muffler for an exhaust system of an internal combustion engine, including a housing having at least one absorption chamber which is filled with an absorbent material that has an absorbent effect for airborne sound, a straight-through pipe that carries exhaust gas during operation of the muffler and passes through the housing, and at least one blind pipe that is connected at one end laterally to the straight-through pipe and is sealed at the other end. The blind pipe has a wall that is acoustically transmissive for airborne sound in an area running in the absorption chamber.

Abstract: The invention relates to a muffler for an exhaust system of an internal combustion engine, consisting a housing having at least one exhaust inlet and at least one exhaust outlet and having at least two pipes at the inlet end or at the outlet end, at least one of which is switchable by a control device at least between an open state and a closed state and is acoustically coupled to a silencer system, such that the silencer system is active when the switchable pipe is opened as well as when it is closed and has a different damping characteristic when the switchable pipe is opened than when the switchable pipe is closed.

Abstract: An exhaust gas cleaning apparatus for cleaning an exhaust gas emitted from a combustion engine has a stack of plural material layers successively arranged on each other in a stacking direction. The material layers are made of a porous material being permeable to the exhaust gas. The stack has an entry side and an exit side. Plural exhaust gas flow channels are defined in the stacking direction between two adjacent material layers in the stack. The exhaust gas flow channels are defined by surfaces of the material layers which have, when viewed in a flow direction of the exhaust gas from the entry side to the exit side, a plurality of concave and convex areas. A first group of exhaust gas flow channels is formed to be open at the entry side of the stack and closed at the exit side thereof.

Abstract: The invention relates to a silencer for an airborne sound conducting pipe system, including a housing enclosing an interior space, an inlet pipe having an outlet within the interior space, a bypass pipe branching off from inlet pipe within the housing and having an outlet, a control element actuated by the gas flow and arranged downstream of bypass pipe on or in the inlet pipe, and at least one outlet pipe having an inlet within the interior space. Furthermore, the interior space is acoustically unseparated in such a manner that the volume of the interior space loaded with the airborne sound is equal with opened and with closed control element.

Abstract: An exhaust-carrying component (2) of an exhaust system (1) for an internal combustion engine is provided, in particular for a motor vehicle. The component (2) includes a pipe (4) through which exhaust gas can flow from one longitudinal end (6) to the other longitudinal end (7) and which has between its longitudinal ends (6, 7) a longitudinal section (8), the wall (9) of which is provided with perforations (10). The component (2) also has a housing (5) which surrounds the pipe (4) in a circumferential direction and to which the pipe (4) is fixedly connected in both one end area (11) having a longitudinal end (6) and in another end area (12) having the other longitudinal end (7). In order for the component (2) to nevertheless be able to resist the thermal stresses that occur during operation, the perforations (10) are designed so that the longitudinal section (8) can absorb thermal longitudinal expansion forces between the pipe (4) and the housing (5) through elastic deformation.

Abstract: The invention relates to a mixing and/or evaporation device for an exhaust system, an internal combustion engine, having a tubular body on whose one axial end are arranged several blades adjacent to one another in the circumferential direction, protruding radially inward and leaving free a central passage such that the blades are set at an angle to the axial direction. For inexpensive manufacturing, the tubular body may be manufactured from a single sheet metal body by shaping together with the blades.

Abstract: A heating device, particularly for a vehicle, includes a burner for producing combustion heat, and also a heat exchanger for transferring combustion heat produced in the burner to a medium to be heated.

Abstract: An exhaust gas treatment device for an exhaust system of an internal combustion engine includes a housing that is adapted to be tied into the exhaust system and at least one exhaust gas purification insert arranged in the housing. The exhaust gas purification insert includes an insert housing which is open at one end and at least one exhaust gas purification element arranged in the insert housing. The housing has at least one insert bracket which has at least one mounting opening on whose opening edge is supported an end section of the insert housing in the form of a ring. The end section forms a first spherical shell segment and the opening edge forms either a second spherical shell segment that is complementary to the first spherical shell segment or a conical jacket segment that fits the first spherical shell segment.

Abstract: An exhaust system for an internal combustion engine, includes an exhaust line, an exhaust gas treatment device, an injection device arranged upstream from the exhaust gas treatment device for injecting a liquid educt into the exhaust line and a mixing and/or evaporation device for the sprayed educt situated downstream from the injection device and upstream from the exhaust gas treatment device. At least one section of the exhaust line carrying exhaust gas is formed by an exhaust pipe that has an end section arranged downstream from the injection device and upstream from the exhaust gas treatment device. The mixing and/or evaporation device is integrally formed on the end section of the exhaust pipe.

Abstract: A process is provided for manufacturing a catalytic converter formed from at least one monolith being held in a catalytic converter housing, especially a motor vehicle catalytic converter. A mounting mat (14) is placed on the outer circumferential surface (38) of the monolith (12) in the process, and the monolith (12) is subsequently stuffed together with the mounting mat (14) into the catalytic converter housing. To apply the mounting mat (14) on the monolith (12), the monolith (12) is set into rotation, while the mounting mat (14) is being fed tangentially and is carried by the monolith (12). A plant for carrying out the process is also provided as well as an application device (10).

Abstract: The present invention relates to an exhaust system (1) for an internal combustion engine (3) having at least one exhaust gas line (2) that carries exhaust gas and having an injection device (4) for spraying a liquid into the exhaust gas line (2). Downstream from the injection device (4) a vaporizer device (7) which has at least one tubular sheet metal body (8) downstream from the injection device (4), said sheet metal body extending in the longitudinal direction of the exhaust gas line (2) and causing an improved vaporization of the liquid sprayed into the exhaust gas line. In addition, at least one clamp device (12) which is designed like a spring is provided, securing the vaporizer device (7) in the exhaust gas line (2) and/or bracing it elastically against the exhaust gas line.

Abstract: An evaporative burner, particularly for a vehicle heating device, includes a combustion chamber housing and, in the combustion chamber housing, an evaporative medium for receiving liquid fuel and for delivering fuel vapor into a combustion chamber. A heating coil arrangement is on a side of the evaporative medium remote from the combustion chamber, and an ignition region of the heating coil arrangement extends over the evaporative medium into the combustion chamber.

Abstract: A vehicle temperature control system comprising an internal combustion engine with an engine block and with a cylinder head, a heat source for heating a heat transfer medium, a heat exchanger arrangement for the transfer of heat transported in the heat transfer medium to air to be introduced into a vehicle interior, and a valve arrangement, by means of which the heat transfer medium heated by the heat source can be fed selectively, at least in part, to a first heat transfer region, provided in the region of the cylinder head, of the internal combustion engine, without being conducted into a second heat transfer region, provided in the region of the engine block, of the internal combustion engine.

Abstract: A conditioning system for a vehicle comprises an evaporator, positioned in an air conducting channel means, of an air conditioning unit, by means of which evaporator heat and/or moisture can be removed from the air to be introduced into a vehicle interior, a heating means being provided at the evaporator for at least local heating of the same.

Abstract: The present invention relates to a shipping system (1) for shipping articles, comprising a shipping box (2) which can be converted between an in-use state in which it can be loaded with articles and a not-in-use state in which it has a reduced height in comparison with the in-use state while having the same base area, and comprising multiple positioning elements that are stackable one above the other, each having at least one holding fixture arranged side-by-side to hold a section of one of the articles. The shipping box (2) is designed to accommodate at least one stack of positioning elements in the in-use state and in the not-in-use state it is designed to accommodate the positioning elements.

Abstract: A metering pump device for a vehicle heater includes an inlet chamber, an outlet chamber, a first valve arrangement between the inlet chamber and the outlet chamber, which permits a fluid exchange substantially only from the inlet chamber to the outlet chamber, a displacement piston element, which in a first piston position minimizes the volume of the inlet chamber and in a second piston position minimizes the volume of the outlet chamber.