Patent · US Active

Exhaust muffler

US11795847B2 · kind B2 · utility

0Cited by

16References

23Claims

0Family size

Assignee

Purem GmbH · DE

Inventors

Nicolas Mettenleiter · Waldsiedlung, DE
Andreas Wagner · Eppelheim, DE
Max Borger · Leipzig, DE
Thomas Wolf · Eßlingen, DE
Frank Sühnel · Ebersbach an der Fils, DE

Key dates

Filing date	Nov 20, 2020
Grant date	Oct 24, 2023
Priority date	—
Expiry date	Apr 17, 2041

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF01N2490/14
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

An exhaust muffler for an exhaust system of an internal combustion engine includes a muffler housing (12) with an outer shell (14) enclosing a muffler interior (22), through which exhaust gas can flow. An inner shell (54) is arranged in the muffler interior (22) and covers the outer shell (14) in at least some areas on an inner side (52) facing the muffler interior (22).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.