A system for removing an existing core from a diesel emission control device (DECD) housing and a system for installing a replacement core into the DECD housing. The system for removing the existing core comprising a core press station, a control station, and a decore shaft. The system for installing the replacement core comprising a core press station, a control station, and a recore shaft. A stuffing funnel and spacer may be used to install the replacement core. In certain embodiments, processes for removing the existing core and installing the replacement core may comprise the steps of pressing the existing core out of the DECD housing, collecting the existing core into a collection container, sealing the collection container, wrapping the replacement core with matting, lubricating the matting, and pressing together the replacement core and the existing DECD housing.

An exhaust gas treatment assembly unit for an exhaust system of an internal combustion engine includes a tubular outer housing (12) elongated in a direction of an outer housing longitudinal axis (L.sub.A), a tubular inner housing (14) elongated in the direction of an inner housing longitudinal axis (L.sub.I), an exhaust gas treatment unit (16) being carried in the inner housing (14), and a locking fixing device (24) detachably fixing the inner housing in the outer housing. The locking fixing device (24) includes a locking fixing element (26) held at the inner housing (14) in both axial directions with a radially outwards prestressed locking meshing area (28). In association with the locking meshing area (28), a locking receiving area (42) at the outer housing (12), interacts with the locking meshing area (28) for holding the inner housing (14) in the outer housing (12) in at least one axial direction.

The present invention provides an exhaust gas purification catalyst including an alkaline earth metal supported in a highly dispersed state on a porous carrier. A catalyst layer of the exhaust gas purification catalyst provided by the invention has an alkaline earth metal-supporting region including a porous carrier, a catalyst metal belonging to the platinum group, and a sulfate of at least one type of alkali earth metal supported on the porous carrier. In a cross-section of this region, a Pearson correlation coefficient R.sub.Ae/M is at least 0.5 as calculated using α and β for each pixel obtained by carrying out area analysis by FE-EPMA under conditions of pixel size of 0.34 μm×0.34 μm, and measured pixel number 256×256, and by measuring the characteristic X-ray intensity (α:cps) of the alkaline earth metal element (Ae) and the characteristic X-ray intensity (β:cps) of the main constituent element of the inorganic compound constituting the porous carrier for each pixel.

The invention relates to an emissions control device for a combustion engine aftertreatment arrangement, the emissions control device comprising: a housing configured for accommodating an emissions control substrate; and at least one first opening in the housing, which at least one first opening is configured for receiving a threaded assembling element, which threaded assembling element is configured for assembly of the emissions control device in a cavity of the aftertreatment arrangement. The emissions control device further comprises at least one second opening in the housing, wherein the at least one second opening is provided with a thread, configured for receiving a threaded disassembling element, which threaded disassembling element is configured for disassembly of the emissions control device from the cavity of the aftertreatment arrangement. The invention further relates to a combustion engine aftertreatment arrangement for a vehicle and a method for disassembling an emissions control device.

A panel assembly includes a panel member, a frame member, and at least one first bar member, and at least one second bar member. The at least one first bar member and the at least one second bar member divide the panel member into a plurality of first areas defining a first height and a first width. The panel assembly also includes a plurality of support arrangements for dividing each first area into a plurality of second areas. Each support arrangement includes a first support member defining a first length such that the first width defined by the first area is greater than the first length. Each support arrangement also includes a second support member defining a second length such that the first height defined by the first area is greater than the second length.

A heating element for an exhaust line includes a substantially tubular housing, which merges with an exhaust pipe of the exhaust line, and a heating disk that is arranged across a passage cross-section of the tubular housing. The heating element also includes at least one pad and at least one restoring member, where the at least one pad is fastened to a distal end of the at least one restoring member. The at least one restoring member is able to hold the at least one pad in abutment against the heating disk.

A tubular member for an exhaust gas treatment device according to at least one embodiment of the present invention includes: a tubular main body made of a metal; and an insulating layer formed at least on an inner peripheral surface of the tubular main body. The insulating layer contains glass containing a crystalline substance, and the glass contains silicon, boron, and magnesium.

A mounting mat (4) for an exhaust gas treatment device (10), the mounting mat (4) comprises two opposing main surfaces (5, 6) and at least one edge surface (7) extending between the main surfaces; at least one portion of the at least one edge surface comprises a protection coating comprising inorganic particles (15), and the inorganic particles have an average diameter of at least 1 μm.

A nitrous oxide (N.sub.2O) removal catalyst composite is provided, comprising a N.sub.2O removal catalytic material on a substrate, the catalytic material comprising a rhodium (Rh) component supported on a ceria-based support, wherein the catalyst composite has a H.sub.2-consumption peak of about 100° C. or less as measured by hydrogen temperature-programmed reduction (H.sub.2-TPR). Methods of making and using the same are also provided.

An exhaust device of an engine is provided, which includes an exhaust port formed in a cylinder head and connected to an exhaust aperture of a cylinder, an exhaust manifold disposed on a side surface of the cylinder head and formed with a first exhaust passage, an exhaust path constituting part disposed on a side of the exhaust manifold opposite from the cylinder head, and formed with a second exhaust passage, a catalyst disposed on a downstream side of the exhaust path constituting part, an upstream gasket disposed between the side surface of the cylinder head and an upstream connecting member of the manifold, and a downstream gasket disposed between a downstream connecting member of the manifold and an exhaust-manifold-side connecting member of the exhaust path constituting part. The upstream gasket has a larger thermal resistance in an exhaust gas flow direction than the downstream gasket.