An exhaust system member having an upstream-side opening into which exhaust gas flows and a downstream-side opening from which exhaust gas flows includes: first and second members. The first member includes first facing portions each having a distal end portion bulged radially outward in the exhaust system member, a notch is provided at a boundary between the distal end portion and a proximal end portion radially inward of the distal end portion at each end portion of each first facing portion, adjacent to the corresponding opening. The second member includes second facing portions, each arranged on the radially inner side of the corresponding distal end portion, each second facing portion is welded at a portion overlapped with the corresponding first facing portion, and a distal end face of each second facing portion facing a proximal end-side notch face of the notch in the corresponding first facing portion.
Exhaust system member
2016-06-21
Patent
Electronic Resource
English
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / 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 |
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European Patent Office | 2020
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