Provided is an exhaust treatment device (1) including a cylindrical shell (10) into which an exhaust gas is introduced, and a flow channel pipe (16, 18) inserted in such a manner as to penetrate through the cylindrical shell (10). One end of the flow channel pipe (16, 18) is connected to an exhaust-gas flow path of an internal combustion engine, and the exhaust gas flowing through the exhaust-gas flow path is introduced into the cylindrical shell (10) via the flow channel pipe (16, 18). A pair of through holes (22, 24, 36, 38), in which the flow channel pipe (16, 18) is disposed, are provided in a pipe wall of the cylindrical shell (10). A lid member (30, 40) configured to occlude one of the through holes (22, 24, 36, 38) is welded to the other end of the flow channel pipe (16, 18) so as to occlude an opening in the other end of the flow channel pipe (16, 18). The lid member (30, 40) is welded to the pipe wall of the cylindrical shell (10) so that the one of the pair of through holes (22, 24, 36, 38) is occluded by the lid member (30, 40).
EXHAUST TREATMENT DEVICE
ABGASREINIGUNGSVORRICHTUNG
DISPOSITIF DE TRAITEMENT D'ÉCHAPPEMENT
2018-11-21
Patent
Electronic Resource
English
IPC: | F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL , Schalldämpfer oder Auspuffvorrichtungen für Gase von Kraft- und Arbeitsmaschinen oder von Kraftmaschinen allgemein / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES |
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