Multi-bed catalyzer
AssigneeJ. Eberspächer GmbH & Co. KG
InventorsSiegfried Wörner, Georg Wirth, Ulrich Sigel, Markus Alles
Life of this patent
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Abstract
A multibed catalyzer (1) is for an exhaust system of a combustion engine, of a motor vehicle. In a housing (2), at least two catalytic monoliths (3, 4) are arranged axially adjacent to be flowed-through in succession. The two monoliths (3, 4) are encased on the circumferential side by a common heat-resistance bearing mat (5) and supported by means of this bearing mat (5) in the housing (2). In order to enable a predetermined axial minimal distance between the two monoliths (3, 4), at least two heat-resistant distancing elements (9) are distributed circumferentially and axially between the two monoliths (3, 4), so that the monoliths are axially supported on one another by means of the distancing elements (9).
Claims16
A multi-bed catalyzer for an exhaust system of a combustion engine, in particular, of a motor vehicle,
- with a housing (2), in which at least two catalytic monoliths (3, 4) are arranged axially adjacent and are arranged to be axially flowed-through with current in succession,
- wherein the two monoliths (3, 4) are encased on a circumferential side by a common heat-resistant bearing mat (5) and are supported by means of the bearing mat (5) in the housing (2),
- wherein axially between the two monoliths (3, 4) at least two heat-resistance distancing elements (9) are arranged to be circumferentially distributed, wherein the monoliths are axially supported on one another by means of the distancing elements (9);
- and
- wherein the distancing elements (9) are supported radially outward on the housing (2);
- and
- wherein the bearing mat (5) for each distancing element (9) has a recess (13), wherein a respective distancing element (9) is arranged in each recess (13) and wherein each distancing element (9) extends axially between the monoliths (3, 4) radially inward from a respective recess (13).
Dependencies are inferred from the claim text.