US 2017/0276349 A1 · HEATING DEVICE EXHAUST PIPE ARRANGEMENT WITH INTEGRATED MUFFLER AND METHOD FOR PRODUCING SAME

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).

Claims16

Dependent claims

A heating device exhaust pipe arrangement with an integrated muffler, having:

a flexurally stiff exhaust pipe, which is manufactured from a perforated metal sheet by round bending and longitudinal welding and has an unperforated curved first pipe section, an unperforated second pipe section and, formed integrally with the first pipe section and the second pipe section, a perforated muffler section between the first pipe section and the second pipe section, and
a muffler housing, which covers the exterior of the perforated muffler section and is arranged in such a way that the first pipe section and the second pipe section each extend at least predominantly outside the muffler housing.

Dependencies are inferred from the claim text.

Heating device exhaust pipe arrangement with integrated muffler and method for producing same

Life of this patent

Heating device exhaust pipe arrangement with integrated muffler and method for producing same

Life of this patent

Abstract

Claims16