公开(公告)号：US20170276349A1

公开(公告)日：2017-09-28

申请号：US15514365

申请日：2015-09-02

Applicant: Webasto SE

Inventor： Mattias Ahnsjö ,  Saskia Wild ,  Jean-Etienne Pousse

IPC: F23J11/08 ,  B23P15/00 ,  F23M20/00

CPC classification number: F23J11/08 ,  B23P15/00 ,  F23J11/04 ,  F23J2215/00 ,  F23J2900/13003 ,  F23M20/005

Abstract: Provided is a heating device exhaust gas arrangement with an integrated sound suppressor, having: a rigid exhaust gas pipe (1) which is made by bending and longitudinally welding a perforated metal sheet and which has an un-perforated, curved first pipe section (2), an un-perforated second pipe section (3) and, formed integrally with the first pipe section (2) and the second pipe section (3), a perforated sound suppressor section (4) between the first pipe section (2) and the second pipe section (3), and a sound suppressor housing (5) which externally covers the perforated sound suppressor section (4) and which is arranged such that the first pipe section (2) and the second pipe section (3) both extend at least predominantly outside the sound suppressor housing (5).