Exhaust gas cleaning device, exhaust system and clamp connection

摘要

An exhaust gas cleaning device (2) for an exhaust system (1) of an internal combustion engine with an exhaust gas cleaning element (7), which is arranged in a first tubular body (3), and with a second tubular body (4), to which the first tubular body (3) is detachably connected via a clamp connection (5). The clamp connection (5) includes a radially outwardly projecting first ring collar (8), formed at the first tubular body (3) and extending circumferentially in a closed form and a radially outwardly projecting second ring collar (9), formed at the second tubular body (4) and extending circumferentially in a closed form. A sealing ring (10) extends circumferentially in a closed form and is axially in contact with the first ring collar (8) and the second ring collar (9). A first ring body (11) is arranged on the outside at the first tubular body (3) and is axially in contact with the first ring collar on the side facing away from the sealing ring (10). A second ring body (12) is arranged on the outside at the second tubular body (4) and is axially in contact with the second ring collar (9) on the side facing away from the sealing ring (10). A clamp (13) extends over both the first ring body and said second ring body (11, 12) and tightens these axially towards one another.

主权项

1. An exhaust gas cleaning device for an exhaust system of a vehicle internal combustion engine, the exhaust gas cleaning device comprising:
a first tubular body; an exhaust gas cleaning element arranged in said first tubular body; a second tubular body, said first tubular body and said second tubular body receiving a flow of exhaust gas; and a clamp connection, said first tubular body being detachably connected to said second tubular body via said clamp connection, said clamp connection comprising: a first ring collar formed at the first tubular body, said first ring collar projecting radially outwardly; a second ring collar formed at the second tubular body, the second ring collar projecting radially outwardly and extending circumferentially; a circumferentially closed sealing ring axially in contact with said first ring collar and with said second ring collar, said sealing ring being exposed to said flow exhaust gas; an outer first ring body arranged at said first tubular body and axially in contact with said first ring collar on a side facing away from said sealing ring; an outer second ring body arranged at said second tubular body and axially in contact with said second ring collar on a side facing away from said sealing ring, said outer first ring body and said outer second ring body being interrupted in a circumferential direction; and a clamp extending over said first ring body and said second ring body and acting on said first ring body and said second ring body for tightening said first ring body and said second ring body axially towards each other.