Patent · US Active

Exhaust muffler

US9745884B2 · kind B2 · utility

0Cited by
4References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 3, 2016
Grant dateAug 29, 2017
Priority date
Expiry dateFeb 3, 2036

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF01N13/1888
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

An exhaust muffler to be attached to an engine body includes a casing that includes: a rear member facing the engine body and a front member opposing to the rear member while maintaining a gap between the front member and the rear member, the gap forming a path in which exhaust gas discharged from the engine body flows; at least one guiding member that is disposed in the gap of the casing, extends from the rear member to the front member, and has a through-hole into which a fastening member that fastens the casing to the engine body is inserted; and a catalyst holding member that holds a catalyst that purifies the exhaust gas and is accommodated in the gap of the casing while being supported by the at least one guiding member.

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